Esempio n. 1
0
class MainWindow(QtWidgets.QMainWindow, PreserveGeometry):

    defaultsize = QtCore.QSize(780, 560)
    autorestore = False
    selection_updated = QtCore.pyqtSignal(object)

    options = [
        config.Option("persist", "window_state", QtCore.QByteArray()),
        config.Option("persist", "bottom_splitter_state", QtCore.QByteArray()),
        config.BoolOption("persist", "window_maximized", False),
        config.BoolOption("persist", "view_cover_art", True),
        config.BoolOption("persist", "view_toolbar", True),
        config.BoolOption("persist", "view_file_browser", False),
        config.TextOption("persist", "current_directory", ""),
    ]

    def __init__(self, parent=None):
        super().__init__(parent)
        self.selected_objects = []
        self.ignore_selection_changes = False
        self.toolbar = None
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(_("MusicBrainz Picard"))
        icon = QtGui.QIcon()
        icon.addFile(":/images/16x16/org.musicbrainz.Picard.png", QtCore.QSize(16, 16))
        icon.addFile(":/images/24x24/org.musicbrainz.Picard.png", QtCore.QSize(24, 24))
        icon.addFile(":/images/32x32/org.musicbrainz.Picard.png", QtCore.QSize(32, 32))
        icon.addFile(":/images/48x48/org.musicbrainz.Picard.png", QtCore.QSize(48, 48))
        icon.addFile(":/images/128x128/org.musicbrainz.Picard.png", QtCore.QSize(128, 128))
        icon.addFile(":/images/256x256/org.musicbrainz.Picard.png", QtCore.QSize(256, 256))
        self.setWindowIcon(icon)

        self.show_close_window = IS_MACOS

        self.create_actions()
        self.create_statusbar()
        self.create_toolbar()
        self.create_menus()

        if IS_MACOS:
            self.setUnifiedTitleAndToolBarOnMac(True)
            self.toolbar.setMovable(False)
            self.search_toolbar.setMovable(False)

        mainLayout = QtWidgets.QSplitter(QtCore.Qt.Vertical)
        mainLayout.setContentsMargins(0, 0, 0, 0)
        mainLayout.setHandleWidth(1)

        self.panel = MainPanel(self, mainLayout)
        self.file_browser = FileBrowser(self.panel)
        if not self.show_file_browser_action.isChecked():
            self.file_browser.hide()
        self.panel.insertWidget(0, self.file_browser)
        self.panel.restore_state()

        self.metadata_box = MetadataBox(self)
        self.cover_art_box = CoverArtBox(self)
        if not self.show_cover_art_action.isChecked():
            self.cover_art_box.hide()

        self.logDialog = LogView(self)
        self.historyDialog = HistoryView(self)

        bottomLayout = QtWidgets.QHBoxLayout()
        bottomLayout.setContentsMargins(0, 0, 0, 0)
        bottomLayout.setSpacing(0)
        bottomLayout.addWidget(self.metadata_box, 1)
        bottomLayout.addWidget(self.cover_art_box, 0)
        bottom = QtWidgets.QWidget()
        bottom.setLayout(bottomLayout)

        mainLayout.addWidget(self.panel)
        mainLayout.addWidget(bottom)
        self.setCentralWidget(mainLayout)

        # accessibility
        self.set_tab_order()

        for function in ui_init:
            function(self)

    def keyPressEvent(self, event):
        # On macOS Command+Backspace triggers the so called "Forward Delete".
        # It should be treated the same as the Delete button.
        is_forward_delete = IS_MACOS and \
            event.key() == QtCore.Qt.Key_Backspace and \
            event.modifiers() & QtCore.Qt.ControlModifier
        if event.matches(QtGui.QKeySequence.Delete) or is_forward_delete:
            if self.metadata_box.hasFocus():
                self.metadata_box.remove_selected_tags()
            else:
                self.remove()
        else:
            super().keyPressEvent(event)

    def show(self):
        self.restoreWindowState()
        super().show()
        if self.tagger.autoupdate_enabled:
            self.auto_update_check()
        self.metadata_box.restore_state()

    def closeEvent(self, event):
        if config.setting["quit_confirmation"] and not self.show_quit_confirmation():
            event.ignore()
            return
        self.saveWindowState()
        event.accept()

    def show_quit_confirmation(self):
        unsaved_files = sum(a.get_num_unsaved_files() for a in self.tagger.albums.values())
        QMessageBox = QtWidgets.QMessageBox

        if unsaved_files > 0:
            msg = QMessageBox(self)
            msg.setIcon(QMessageBox.Question)
            msg.setWindowModality(QtCore.Qt.WindowModal)
            msg.setWindowTitle(_("Unsaved Changes"))
            msg.setText(_("Are you sure you want to quit Picard?"))
            txt = ngettext(
                "There is %d unsaved file. Closing Picard will lose all unsaved changes.",
                "There are %d unsaved files. Closing Picard will lose all unsaved changes.",
                unsaved_files) % unsaved_files
            msg.setInformativeText(txt)
            cancel = msg.addButton(QMessageBox.Cancel)
            msg.setDefaultButton(cancel)
            msg.addButton(_("&Quit Picard"), QMessageBox.YesRole)
            ret = msg.exec_()

            if ret == QMessageBox.Cancel:
                return False

        return True

    def saveWindowState(self):
        config.persist["window_state"] = self.saveState()
        isMaximized = int(self.windowState()) & QtCore.Qt.WindowMaximized != 0
        self.save_geometry()
        config.persist["window_maximized"] = isMaximized
        config.persist["view_cover_art"] = self.show_cover_art_action.isChecked()
        config.persist["view_toolbar"] = self.show_toolbar_action.isChecked()
        config.persist["view_file_browser"] = self.show_file_browser_action.isChecked()
        config.persist["bottom_splitter_state"] = self.centralWidget().saveState()
        self.file_browser.save_state()
        self.panel.save_state()
        self.metadata_box.save_state()

    @restore_method
    def restoreWindowState(self):
        self.restoreState(config.persist["window_state"])
        self.restore_geometry()
        if config.persist["window_maximized"]:
            self.setWindowState(QtCore.Qt.WindowMaximized)
        bottom_splitter_state = config.persist["bottom_splitter_state"]
        if bottom_splitter_state.isEmpty():
            self.centralWidget().setSizes([366, 194])
        else:
            self.centralWidget().restoreState(bottom_splitter_state)
        self.file_browser.restore_state()

    def create_statusbar(self):
        """Creates a new status bar."""
        self.statusBar().showMessage(_("Ready"))
        self.infostatus = InfoStatus(self)
        self.listening_label = QtWidgets.QLabel()
        self.listening_label.setVisible(False)
        self.listening_label.setToolTip("<qt/>" + _(
            "Picard listens on this port to integrate with your browser. When "
            "you \"Search\" or \"Open in Browser\" from Picard, clicking the "
            "\"Tagger\" button on the web page loads the release into Picard."
        ))
        self.statusBar().addPermanentWidget(self.infostatus)
        self.statusBar().addPermanentWidget(self.listening_label)
        self.tagger.tagger_stats_changed.connect(self.update_statusbar_stats)
        self.tagger.listen_port_changed.connect(self.update_statusbar_listen_port)
        self.update_statusbar_stats()

    @throttle(100)
    def update_statusbar_stats(self):
        """Updates the status bar information."""
        self.infostatus.setFiles(len(self.tagger.files))
        self.infostatus.setAlbums(len(self.tagger.albums))
        self.infostatus.setPendingFiles(File.num_pending_files)
        ws = self.tagger.webservice
        self.infostatus.setPendingRequests(ws.num_pending_web_requests)

    def update_statusbar_listen_port(self, listen_port):
        if listen_port:
            self.listening_label.setVisible(True)
            self.listening_label.setText(_(" Listening on port %(port)d ") % {"port": listen_port})
        else:
            self.listening_label.setVisible(False)

    def set_statusbar_message(self, message, *args, **kwargs):
        """Set the status bar message.

        *args are passed to % operator, if args[0] is a mapping it is used for
        named place holders values
        >>> w.set_statusbar_message("File %(filename)s", {'filename': 'x.txt'})

        Keyword arguments:
        `echo` parameter defaults to `log.debug`, called before message is
        translated, it can be disabled passing None or replaced by ie.
        `log.error`. If None, skipped.

        `translate` is a method called on message before it is sent to history
        log and status bar, it defaults to `_()`. If None, skipped.

        `timeout` defines duration of the display in milliseconds

        `history` is a method called with translated message as argument, it
        defaults to `log.history_info`. If None, skipped.

        Empty messages are never passed to echo and history functions but they
        are sent to status bar (ie. to clear it).
        """
        def isdict(obj):
            return hasattr(obj, 'keys') and hasattr(obj, '__getitem__')

        echo = kwargs.get('echo', log.debug)
        # _ is defined using builtins.__dict__, so setting it as default named argument
        # value doesn't work as expected
        translate = kwargs.get('translate', _)
        timeout = kwargs.get('timeout', 0)
        history = kwargs.get('history', log.history_info)
        if len(args) == 1 and isdict(args[0]):
            # named place holders
            mparms = args[0]
        else:
            # simple place holders, ensure compatibility
            mparms = args
        if message:
            if echo:
                echo(message % mparms)
            if translate:
                message = translate(message)
            message = message % mparms
            if history:
                history(message)
        thread.to_main(self.statusBar().showMessage, message, timeout)

    def _on_submit_acoustid(self):
        if self.tagger.use_acoustid:
            if not config.setting["acoustid_apikey"]:
                QtWidgets.QMessageBox.warning(self,
                    _("Submission Error"),
                    _("You need to configure your AcoustID API key before you can submit fingerprints."))
            else:
                self.tagger.acoustidmanager.submit()

    def create_actions(self):
        self.options_action = QtWidgets.QAction(icontheme.lookup('preferences-desktop'), _("&Options..."), self)
        self.options_action.setMenuRole(QtWidgets.QAction.PreferencesRole)
        self.options_action.triggered.connect(self.show_options)

        self.cut_action = QtWidgets.QAction(icontheme.lookup('edit-cut', icontheme.ICON_SIZE_MENU), _("&Cut"), self)
        self.cut_action.setShortcut(QtGui.QKeySequence.Cut)
        self.cut_action.setEnabled(False)
        self.cut_action.triggered.connect(self.cut)

        self.paste_action = QtWidgets.QAction(icontheme.lookup('edit-paste', icontheme.ICON_SIZE_MENU), _("&Paste"), self)
        self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
        self.paste_action.setEnabled(False)
        self.paste_action.triggered.connect(self.paste)

        self.help_action = QtWidgets.QAction(_("&Help..."), self)
        self.help_action.setShortcut(QtGui.QKeySequence.HelpContents)
        self.help_action.triggered.connect(self.show_help)

        self.about_action = QtWidgets.QAction(_("&About..."), self)
        self.about_action.setMenuRole(QtWidgets.QAction.AboutRole)
        self.about_action.triggered.connect(self.show_about)

        self.donate_action = QtWidgets.QAction(_("&Donate..."), self)
        self.donate_action.triggered.connect(self.open_donation_page)

        self.report_bug_action = QtWidgets.QAction(_("&Report a Bug..."), self)
        self.report_bug_action.triggered.connect(self.open_bug_report)

        self.support_forum_action = QtWidgets.QAction(_("&Support Forum..."), self)
        self.support_forum_action.triggered.connect(self.open_support_forum)

        self.add_files_action = QtWidgets.QAction(icontheme.lookup('document-open'), _("&Add Files..."), self)
        self.add_files_action.setStatusTip(_("Add files to the tagger"))
        # TR: Keyboard shortcut for "Add Files..."
        self.add_files_action.setShortcut(QtGui.QKeySequence.Open)
        self.add_files_action.triggered.connect(self.add_files)

        self.add_directory_action = QtWidgets.QAction(icontheme.lookup('folder'), _("A&dd Folder..."), self)
        self.add_directory_action.setStatusTip(_("Add a folder to the tagger"))
        # TR: Keyboard shortcut for "Add Directory..."
        self.add_directory_action.setShortcut(QtGui.QKeySequence(_("Ctrl+D")))
        self.add_directory_action.triggered.connect(self.add_directory)

        if self.show_close_window:
            self.close_window_action = QtWidgets.QAction(_("Close Window"), self)
            self.close_window_action.setShortcut(QtGui.QKeySequence(_("Ctrl+W")))
            self.close_window_action.triggered.connect(self.close_active_window)

        self.save_action = QtWidgets.QAction(icontheme.lookup('document-save'), _("&Save"), self)
        self.save_action.setStatusTip(_("Save selected files"))
        # TR: Keyboard shortcut for "Save"
        self.save_action.setShortcut(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.save)

        self.submit_acoustid_action = QtWidgets.QAction(icontheme.lookup('acoustid-fingerprinter'), _("S&ubmit AcoustIDs"), self)
        self.submit_acoustid_action.setStatusTip(_("Submit acoustic fingerprints"))
        self.submit_acoustid_action.setEnabled(False)
        self.submit_acoustid_action.triggered.connect(self._on_submit_acoustid)

        self.exit_action = QtWidgets.QAction(_("E&xit"), self)
        self.exit_action.setMenuRole(QtWidgets.QAction.QuitRole)
        # TR: Keyboard shortcut for "Exit"
        self.exit_action.setShortcut(QtGui.QKeySequence(_("Ctrl+Q")))
        self.exit_action.triggered.connect(self.close)

        self.remove_action = QtWidgets.QAction(icontheme.lookup('list-remove'), _("&Remove"), self)
        self.remove_action.setStatusTip(_("Remove selected files/albums"))
        self.remove_action.setEnabled(False)
        self.remove_action.triggered.connect(self.remove)

        self.browser_lookup_action = QtWidgets.QAction(icontheme.lookup('lookup-musicbrainz'), _("Lookup in &Browser"), self)
        self.browser_lookup_action.setStatusTip(_("Lookup selected item on MusicBrainz website"))
        self.browser_lookup_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup in Browser"
        self.browser_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+Shift+L")))
        self.browser_lookup_action.triggered.connect(self.browser_lookup)

        self.album_search_action = QtWidgets.QAction(icontheme.lookup('system-search'), _("Search for similar albums..."), self)
        self.album_search_action.setStatusTip(_("View similar releases and optionally choose a different release"))
        self.album_search_action.triggered.connect(self.show_more_albums)

        self.track_search_action = QtWidgets.QAction(icontheme.lookup('system-search'), _("Search for similar tracks..."), self)
        self.track_search_action.setStatusTip(_("View similar tracks and optionally choose a different release"))
        self.track_search_action.triggered.connect(self.show_more_tracks)

        self.show_file_browser_action = QtWidgets.QAction(_("File &Browser"), self)
        self.show_file_browser_action.setCheckable(True)
        if config.persist["view_file_browser"]:
            self.show_file_browser_action.setChecked(True)
        self.show_file_browser_action.setShortcut(QtGui.QKeySequence(_("Ctrl+B")))
        self.show_file_browser_action.triggered.connect(self.show_file_browser)

        self.show_cover_art_action = QtWidgets.QAction(_("&Cover Art"), self)
        self.show_cover_art_action.setCheckable(True)
        if config.persist["view_cover_art"]:
            self.show_cover_art_action.setChecked(True)
        self.show_cover_art_action.triggered.connect(self.show_cover_art)

        self.show_toolbar_action = QtWidgets.QAction(_("&Actions"), self)
        self.show_toolbar_action.setCheckable(True)
        if config.persist["view_toolbar"]:
            self.show_toolbar_action.setChecked(True)
        self.show_toolbar_action.triggered.connect(self.show_toolbar)

        self.search_action = QtWidgets.QAction(icontheme.lookup('system-search'), _("Search"), self)
        self.search_action.setEnabled(False)
        self.search_action.triggered.connect(self.search)

        self.cd_lookup_action = QtWidgets.QAction(icontheme.lookup('media-optical'), _("Lookup &CD..."), self)
        self.cd_lookup_action.setStatusTip(_("Lookup the details of the CD in your drive"))
        # TR: Keyboard shortcut for "Lookup CD"
        self.cd_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))
        self.cd_lookup_action.triggered.connect(self.tagger.lookup_cd)

        self.cd_lookup_menu = QtWidgets.QMenu(_("Lookup &CD..."))
        self.cd_lookup_menu.triggered.connect(self.tagger.lookup_cd)
        self.cd_lookup_action.setEnabled(False)
        if discid is None:
            log.warning("CDROM: discid library not found - Lookup CD functionality disabled")
        else:
            drives = get_cdrom_drives()
            if not drives:
                log.warning("CDROM: No CD-ROM drives found - Lookup CD functionality disabled")
            else:
                shortcut_drive = config.setting["cd_lookup_device"].split(",")[0] if len(drives) > 1 else ""
                self.cd_lookup_action.setEnabled(True)
                for drive in drives:
                    action = self.cd_lookup_menu.addAction(drive)
                    action.setData(drive)
                    if drive == shortcut_drive:
                        # Clear existing shortcode on main action and assign it to sub-action
                        self.cd_lookup_action.setShortcut(QtGui.QKeySequence())
                        action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))

        self.analyze_action = QtWidgets.QAction(icontheme.lookup('picard-analyze'), _("&Scan"), self)
        self.analyze_action.setStatusTip(_("Use AcoustID audio fingerprint to identify the files by the actual music, even if they have no metadata"))
        self.analyze_action.setEnabled(False)
        self.analyze_action.setToolTip(_('Identify the file using its AcoustID audio fingerprint'))
        # TR: Keyboard shortcut for "Analyze"
        self.analyze_action.setShortcut(QtGui.QKeySequence(_("Ctrl+Y")))
        self.analyze_action.triggered.connect(self.analyze)

        self.cluster_action = QtWidgets.QAction(icontheme.lookup('picard-cluster'), _("Cl&uster"), self)
        self.cluster_action.setStatusTip(_("Cluster files into album clusters"))
        self.cluster_action.setEnabled(False)
        # TR: Keyboard shortcut for "Cluster"
        self.cluster_action.setShortcut(QtGui.QKeySequence(_("Ctrl+U")))
        self.cluster_action.triggered.connect(self.cluster)

        self.autotag_action = QtWidgets.QAction(icontheme.lookup('picard-auto-tag'), _("&Lookup"), self)
        tip = _("Lookup selected items in MusicBrainz")
        self.autotag_action.setToolTip(tip)
        self.autotag_action.setStatusTip(tip)
        self.autotag_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup"
        self.autotag_action.setShortcut(QtGui.QKeySequence(_("Ctrl+L")))
        self.autotag_action.triggered.connect(self.autotag)

        self.view_info_action = QtWidgets.QAction(icontheme.lookup('picard-edit-tags'), _("&Info..."), self)
        self.view_info_action.setEnabled(False)
        # TR: Keyboard shortcut for "Info"
        self.view_info_action.setShortcut(QtGui.QKeySequence(_("Ctrl+I")))
        self.view_info_action.triggered.connect(self.view_info)

        self.refresh_action = QtWidgets.QAction(icontheme.lookup('view-refresh', icontheme.ICON_SIZE_MENU), _("&Refresh"), self)
        self.refresh_action.setShortcut(QtGui.QKeySequence(_("Ctrl+R")))
        self.refresh_action.triggered.connect(self.refresh)

        self.enable_renaming_action = QtWidgets.QAction(_("&Rename Files"), self)
        self.enable_renaming_action.setCheckable(True)
        self.enable_renaming_action.setChecked(config.setting["rename_files"])
        self.enable_renaming_action.triggered.connect(self.toggle_rename_files)

        self.enable_moving_action = QtWidgets.QAction(_("&Move Files"), self)
        self.enable_moving_action.setCheckable(True)
        self.enable_moving_action.setChecked(config.setting["move_files"])
        self.enable_moving_action.triggered.connect(self.toggle_move_files)

        self.enable_tag_saving_action = QtWidgets.QAction(_("Save &Tags"), self)
        self.enable_tag_saving_action.setCheckable(True)
        self.enable_tag_saving_action.setChecked(not config.setting["dont_write_tags"])
        self.enable_tag_saving_action.triggered.connect(self.toggle_tag_saving)

        self.tags_from_filenames_action = QtWidgets.QAction(_("Tags From &File Names..."), self)
        self.tags_from_filenames_action.triggered.connect(self.open_tags_from_filenames)
        self.tags_from_filenames_action.setEnabled(False)

        self.open_collection_in_browser_action = QtWidgets.QAction(_("&Open My Collections in Browser"), self)
        self.open_collection_in_browser_action.triggered.connect(self.open_collection_in_browser)
        self.open_collection_in_browser_action.setEnabled(config.setting["username"] != '')

        self.view_log_action = QtWidgets.QAction(_("View &Error/Debug Log"), self)
        self.view_log_action.triggered.connect(self.show_log)
        # TR: Keyboard shortcut for "View Error/Debug Log"
        self.view_log_action.setShortcut(QtGui.QKeySequence(_("Ctrl+E")))

        self.view_history_action = QtWidgets.QAction(_("View Activity &History"), self)
        self.view_history_action.triggered.connect(self.show_history)
        # TR: Keyboard shortcut for "View Activity History"
        self.view_history_action.setShortcut(QtGui.QKeySequence(_("Ctrl+H")))

        webservice_manager = self.tagger.webservice.manager
        webservice_manager.authenticationRequired.connect(self.show_password_dialog)
        webservice_manager.proxyAuthenticationRequired.connect(self.show_proxy_dialog)

        self.play_file_action = QtWidgets.QAction(icontheme.lookup('play-music'), _("Open in &Player"), self)
        self.play_file_action.setStatusTip(_("Play the file in your default media player"))
        self.play_file_action.setEnabled(False)
        self.play_file_action.triggered.connect(self.play_file)

        self.open_folder_action = QtWidgets.QAction(icontheme.lookup('folder', icontheme.ICON_SIZE_MENU), _("Open Containing &Folder"), self)
        self.open_folder_action.setStatusTip(_("Open the containing folder in your file explorer"))
        self.open_folder_action.setEnabled(False)
        self.open_folder_action.triggered.connect(self.open_folder)

        if self.tagger.autoupdate_enabled:
            self.check_update_action = QtWidgets.QAction(_("&Check for Update…"), self)
            self.check_update_action.setMenuRole(QtWidgets.QAction.ApplicationSpecificRole)
            self.check_update_action.triggered.connect(self.do_update_check)

    def toggle_rename_files(self, checked):
        config.setting["rename_files"] = checked

    def toggle_move_files(self, checked):
        config.setting["move_files"] = checked

    def toggle_tag_saving(self, checked):
        config.setting["dont_write_tags"] = not checked

    def get_selected_or_unmatched_files(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        if not files:
            files = self.tagger.unclustered_files.files
        return files

    def open_tags_from_filenames(self):
        files = self.get_selected_or_unmatched_files()
        if files:
            dialog = TagsFromFileNamesDialog(files, self)
            dialog.exec_()

    def open_collection_in_browser(self):
        self.tagger.collection_lookup()

    def create_menus(self):
        menu = self.menuBar().addMenu(_("&File"))
        menu.addAction(self.add_directory_action)
        menu.addAction(self.add_files_action)
        if self.show_close_window:
            menu.addAction(self.close_window_action)
        menu.addSeparator()
        menu.addAction(self.play_file_action)
        menu.addAction(self.open_folder_action)
        menu.addSeparator()
        menu.addAction(self.save_action)
        menu.addAction(self.submit_acoustid_action)
        menu.addSeparator()
        menu.addAction(self.exit_action)
        menu = self.menuBar().addMenu(_("&Edit"))
        menu.addAction(self.cut_action)
        menu.addAction(self.paste_action)
        menu.addSeparator()
        menu.addAction(self.view_info_action)
        menu.addAction(self.remove_action)
        menu = self.menuBar().addMenu(_("&View"))
        menu.addAction(self.show_file_browser_action)
        menu.addAction(self.show_cover_art_action)
        menu.addSeparator()
        menu.addAction(self.show_toolbar_action)
        menu.addAction(self.search_toolbar_toggle_action)
        menu = self.menuBar().addMenu(_("&Options"))
        menu.addAction(self.enable_renaming_action)
        menu.addAction(self.enable_moving_action)
        menu.addAction(self.enable_tag_saving_action)
        menu.addSeparator()
        menu.addAction(self.options_action)
        menu = self.menuBar().addMenu(_("&Tools"))
        menu.addAction(self.refresh_action)
        if len(self.cd_lookup_menu.actions()) > 1:
            menu.addMenu(self.cd_lookup_menu)
        else:
            menu.addAction(self.cd_lookup_action)
        menu.addAction(self.autotag_action)
        menu.addAction(self.analyze_action)
        menu.addAction(self.cluster_action)
        menu.addAction(self.browser_lookup_action)
        menu.addSeparator()
        menu.addAction(self.tags_from_filenames_action)
        menu.addAction(self.open_collection_in_browser_action)
        self.menuBar().addSeparator()
        menu = self.menuBar().addMenu(_("&Help"))
        menu.addAction(self.help_action)
        menu.addSeparator()
        menu.addAction(self.view_history_action)
        menu.addSeparator()
        if self.tagger.autoupdate_enabled:
            menu.addAction(self.check_update_action)
            menu.addSeparator()
        menu.addAction(self.support_forum_action)
        menu.addAction(self.report_bug_action)
        menu.addAction(self.view_log_action)
        menu.addSeparator()
        menu.addAction(self.donate_action)
        menu.addAction(self.about_action)

    def update_toolbar_style(self):
        if config.setting["toolbar_show_labels"]:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        else:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)

    def create_toolbar(self):
        self.create_search_toolbar()
        self.create_action_toolbar()

    def create_action_toolbar(self):
        if self.toolbar:
            self.toolbar.clear()
            self.removeToolBar(self.toolbar)
        self.toolbar = toolbar = QtWidgets.QToolBar(_("Actions"))
        self.insertToolBar(self.search_toolbar, self.toolbar)
        self.update_toolbar_style()
        toolbar.setObjectName("main_toolbar")

        def add_toolbar_action(action):
            toolbar.addAction(action)
            widget = toolbar.widgetForAction(action)
            widget.setFocusPolicy(QtCore.Qt.TabFocus)
            widget.setAttribute(QtCore.Qt.WA_MacShowFocusRect)

        for action in config.setting['toolbar_layout']:
            if action == 'cd_lookup_action':
                add_toolbar_action(self.cd_lookup_action)
                if len(self.cd_lookup_menu.actions()) > 1:
                    button = toolbar.widgetForAction(self.cd_lookup_action)
                    button.setPopupMode(QtWidgets.QToolButton.MenuButtonPopup)
                    button.setMenu(self.cd_lookup_menu)
            elif action == 'separator':
                toolbar.addSeparator()
            else:
                try:
                    add_toolbar_action(getattr(self, action))
                except AttributeError:
                    log.warning('Warning: Unknown action name "%r" found in config. Ignored.', action)
        self.show_toolbar()

    def create_search_toolbar(self):
        self.search_toolbar = toolbar = self.addToolBar(_("Search"))
        self.search_toolbar_toggle_action = self.search_toolbar.toggleViewAction()
        toolbar.setObjectName("search_toolbar")
        search_panel = QtWidgets.QWidget(toolbar)
        hbox = QtWidgets.QHBoxLayout(search_panel)
        self.search_combo = QtWidgets.QComboBox(search_panel)
        self.search_combo.addItem(_("Album"), "album")
        self.search_combo.addItem(_("Artist"), "artist")
        self.search_combo.addItem(_("Track"), "track")
        hbox.addWidget(self.search_combo, 0)
        self.search_edit = QtWidgets.QLineEdit(search_panel)
        self.search_edit.setClearButtonEnabled(True)
        self.search_edit.returnPressed.connect(self.trigger_search_action)
        self.search_edit.textChanged.connect(self.enable_search)
        hbox.addWidget(self.search_edit, 0)
        self.search_button = QtWidgets.QToolButton(search_panel)
        self.search_button.setAutoRaise(True)
        self.search_button.setDefaultAction(self.search_action)
        self.search_button.setIconSize(QtCore.QSize(22, 22))
        self.search_button.setAttribute(QtCore.Qt.WA_MacShowFocusRect)

        # search button contextual menu, shortcut to toggle search options
        def search_button_menu(position):
            menu = QtWidgets.QMenu()
            opts = OrderedDict([
                ('use_adv_search_syntax', N_("&Advanced search")),
                ('builtin_search', N_("&Builtin search"))
            ])

            def toggle_opt(opt, checked):
                config.setting[opt] = checked

            for opt, label in opts.items():
                action = QtWidgets.QAction(_(label), menu)
                action.setCheckable(True)
                action.setChecked(config.setting[opt])
                action.triggered.connect(partial(toggle_opt, opt))
                menu.addAction(action)
            menu.exec_(self.search_button.mapToGlobal(position))

        self.search_button.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
        self.search_button.customContextMenuRequested.connect(search_button_menu)
        hbox.addWidget(self.search_button)
        toolbar.addWidget(search_panel)

    def set_tab_order(self):
        tab_order = self.setTabOrder
        tw = self.toolbar.widgetForAction
        prev_action = None
        current_action = None
        # Setting toolbar widget tab-orders for accessibility
        for action in config.setting['toolbar_layout']:
            if action != 'separator':
                try:
                    current_action = tw(getattr(self, action))
                except AttributeError:
                    # No need to log warnings since we have already
                    # done it once in create_toolbar
                    pass

            if prev_action is not None and prev_action != current_action:
                tab_order(prev_action, current_action)

            prev_action = current_action

        tab_order(prev_action, self.search_combo)
        tab_order(self.search_combo, self.search_edit)
        tab_order(self.search_edit, self.search_button)
        # Panels
        tab_order(self.search_button, self.file_browser)
        tab_order(self.file_browser, self.panel.views[0])
        tab_order(self.panel.views[0], self.panel.views[1])
        tab_order(self.panel.views[1], self.metadata_box)

    def enable_submit(self, enabled):
        """Enable/disable the 'Submit fingerprints' action."""
        self.submit_acoustid_action.setEnabled(enabled)

    def enable_cluster(self, enabled):
        """Enable/disable the 'Cluster' action."""
        self.cluster_action.setEnabled(enabled)

    def enable_search(self):
        """Enable/disable the 'Search' action."""
        if self.search_edit.text():
            self.search_action.setEnabled(True)
        else:
            self.search_action.setEnabled(False)

    def trigger_search_action(self):
        if self.search_action.isEnabled():
            self.search_action.trigger()

    def search_mbid_found(self, entity, mbid):
        self.search_edit.setText('%s:%s' % (entity, mbid))

    def search(self):
        """Search for album, artist or track on the MusicBrainz website."""
        text = self.search_edit.text()
        entity = self.search_combo.itemData(self.search_combo.currentIndex())
        self.tagger.search(text, entity,
                           config.setting["use_adv_search_syntax"],
                           mbid_matched_callback=self.search_mbid_found)

    def add_files(self):
        """Add files to the tagger."""
        current_directory = find_starting_directory()
        formats = []
        extensions = []
        for exts, name in supported_formats():
            exts = ["*" + e for e in exts]
            formats.append("%s (%s)" % (name, " ".join(exts)))
            extensions.extend(exts)
        formats.sort()
        extensions.sort()
        formats.insert(0, _("All Supported Formats") + " (%s)" % " ".join(extensions))
        files, _filter = QtWidgets.QFileDialog.getOpenFileNames(self, "", current_directory, ";;".join(formats))
        if files:
            config.persist["current_directory"] = os.path.dirname(files[0])
            self.tagger.add_files(files)

    def add_directory(self):
        """Add directory to the tagger."""
        current_directory = find_starting_directory()

        dir_list = []
        if not config.setting["toolbar_multiselect"]:
            directory = QtWidgets.QFileDialog.getExistingDirectory(self, "", current_directory)
            if directory:
                dir_list.append(directory)
        else:
            file_dialog = MultiDirsSelectDialog(self, "", current_directory)
            if file_dialog.exec_() == QtWidgets.QDialog.Accepted:
                dir_list = file_dialog.selectedFiles()

        dir_count = len(dir_list)
        if dir_count:
            parent = os.path.dirname(dir_list[0]) if dir_count > 1 else dir_list[0]
            config.persist["current_directory"] = parent
            if dir_count > 1:
                self.set_statusbar_message(
                    N_("Adding multiple directories from '%(directory)s' ..."),
                    {'directory': parent}
                )
            else:
                self.set_statusbar_message(
                    N_("Adding directory: '%(directory)s' ..."),
                    {'directory': dir_list[0]}
                )

            for directory in dir_list:
                self.tagger.add_directory(directory)

    def close_active_window(self):
        self.tagger.activeWindow().close()

    def show_about(self):
        self.show_options("about")

    def show_options(self, page=None):
        dialog = OptionsDialog(page, self)
        dialog.exec_()

    def show_help(self):
        webbrowser2.goto('documentation')

    def show_log(self):
        self.logDialog.show()
        self.logDialog.raise_()
        self.logDialog.activateWindow()

    def show_history(self):
        self.historyDialog.show()
        self.historyDialog.raise_()
        self.historyDialog.activateWindow()

    def open_bug_report(self):
        webbrowser2.goto('troubleshooting')

    def open_support_forum(self):
        webbrowser2.goto('forum')

    def open_donation_page(self):
        webbrowser2.goto('donate')

    def save(self):
        """Tell the tagger to save the selected objects."""
        self.tagger.save(self.selected_objects)

    def remove(self):
        """Tell the tagger to remove the selected objects."""
        self.panel.remove(self.selected_objects)

    def analyze(self):
        if not config.setting['fingerprinting_system']:
            if self.show_analyze_settings_info():
                self.show_options("fingerprinting")
            if not config.setting['fingerprinting_system']:
                return
        return self.tagger.analyze(self.selected_objects)

    def _openUrl(self, url):
        return QtCore.QUrl.fromLocalFile(url)

    def play_file(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            QtGui.QDesktopServices.openUrl(self._openUrl(file.filename))

    def open_folder(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        folders = set([os.path.dirname(f.filename) for f in files])
        for folder in folders:
            QtGui.QDesktopServices.openUrl(self._openUrl(folder))

    def show_analyze_settings_info(self):
        ret = QtWidgets.QMessageBox.question(self,
            _("Configuration Required"),
            _("Audio fingerprinting is not yet configured. Would you like to configure it now?"),
            QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
            QtWidgets.QMessageBox.Yes)
        return ret == QtWidgets.QMessageBox.Yes

    def show_more_tracks(self):
        obj = self.selected_objects[0]
        if isinstance(obj, Track):
            obj = obj.linked_files[0]
        dialog = TrackSearchDialog(self)
        dialog.load_similar_tracks(obj)
        dialog.exec_()

    def show_more_albums(self):
        obj = self.selected_objects[0]
        dialog = AlbumSearchDialog(self)
        dialog.show_similar_albums(obj)
        dialog.exec_()

    def view_info(self, default_tab=0):
        if isinstance(self.selected_objects[0], Album):
            album = self.selected_objects[0]
            dialog = AlbumInfoDialog(album, self)
        elif isinstance(self.selected_objects[0], Cluster):
            cluster = self.selected_objects[0]
            dialog = ClusterInfoDialog(cluster, self)
        elif isinstance(self.selected_objects[0], Track):
            track = self.selected_objects[0]
            dialog = TrackInfoDialog(track, self)
        else:
            file = self.tagger.get_files_from_objects(self.selected_objects)[0]
            dialog = FileInfoDialog(file, self)
        dialog.ui.tabWidget.setCurrentIndex(default_tab)
        dialog.exec_()

    def cluster(self):
        self.tagger.cluster(self.selected_objects)
        self.update_actions()

    def refresh(self):
        self.tagger.refresh(self.selected_objects)

    def browser_lookup(self):
        self.tagger.browser_lookup(self.selected_objects[0])

    @throttle(100)
    def update_actions(self):
        can_remove = False
        can_save = False
        can_analyze = False
        can_refresh = False
        can_autotag = False
        single = self.selected_objects[0] if len(self.selected_objects) == 1 else None
        can_view_info = bool(single and single.can_view_info())
        can_browser_lookup = bool(single and single.can_browser_lookup())
        have_files = bool(self.tagger.get_files_from_objects(self.selected_objects))
        have_objects = bool(self.selected_objects)
        for obj in self.selected_objects:
            if obj is None:
                continue
            if obj.can_analyze():
                can_analyze = True
            if obj.can_save():
                can_save = True
            if obj.can_remove():
                can_remove = True
            if obj.can_refresh():
                can_refresh = True
            if obj.can_autotag():
                can_autotag = True
            # Skip further loops if all values now True.
            if can_analyze and can_save and can_remove and can_refresh and can_autotag:
                break
        self.remove_action.setEnabled(can_remove)
        self.save_action.setEnabled(can_save)
        self.view_info_action.setEnabled(can_view_info)
        self.analyze_action.setEnabled(can_analyze)
        self.refresh_action.setEnabled(can_refresh)
        self.autotag_action.setEnabled(can_autotag)
        self.browser_lookup_action.setEnabled(can_browser_lookup)
        self.play_file_action.setEnabled(have_files)
        self.open_folder_action.setEnabled(have_files)
        self.cut_action.setEnabled(have_objects)
        files = self.get_selected_or_unmatched_files()
        self.tags_from_filenames_action.setEnabled(bool(files))
        self.track_search_action.setEnabled(have_objects)

    def update_selection(self, objects=None):
        if self.ignore_selection_changes:
            return

        if objects is not None:
            self.selected_objects = objects
        else:
            objects = self.selected_objects

        self.update_actions()

        metadata = None
        orig_metadata = None
        obj = None

        # Clear any existing status bar messages
        self.set_statusbar_message("")

        if len(objects) == 1:
            obj = list(objects)[0]
            if isinstance(obj, File):
                metadata = obj.metadata
                orig_metadata = obj.orig_metadata
                if obj.state == obj.ERROR:
                    msg = N_("%(filename)s (error: %(error)s)")
                    mparms = {
                        'filename': obj.filename,
                        'error': obj.error
                    }
                else:
                    msg = N_("%(filename)s")
                    mparms = {
                        'filename': obj.filename,
                    }
                self.set_statusbar_message(msg, mparms, echo=None, history=None)
            elif isinstance(obj, Track):
                metadata = obj.metadata
                if obj.num_linked_files == 1:
                    file = obj.linked_files[0]
                    orig_metadata = file.orig_metadata
                    if file.state == File.ERROR:
                        msg = N_("%(filename)s (%(similarity)d%%) (error: %(error)s)")
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                            'error': file.error
                        }
                    else:
                        msg = N_("%(filename)s (%(similarity)d%%)")
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                        }
                    self.set_statusbar_message(msg, mparms, echo=None,
                                               history=None)
            elif isinstance(obj, Album):
                metadata = obj.metadata
                orig_metadata = obj.orig_metadata
            elif obj.can_show_coverart:
                metadata = obj.metadata

        self.metadata_box.selection_dirty = True
        self.metadata_box.update()
        self.cover_art_box.set_metadata(metadata, orig_metadata, obj)
        self.selection_updated.emit(objects)

    def show_cover_art(self):
        """Show/hide the cover art box."""
        if self.show_cover_art_action.isChecked():
            self.cover_art_box.show()
        else:
            self.cover_art_box.hide()

    def show_toolbar(self):
        """Show/hide the Action toolbar."""
        if self.show_toolbar_action.isChecked():
            self.toolbar.show()
        else:
            self.toolbar.hide()

    def show_file_browser(self):
        """Show/hide the file browser."""
        if self.show_file_browser_action.isChecked():
            sizes = self.panel.sizes()
            if sizes[0] == 0:
                sizes[0] = sum(sizes) // 4
                self.panel.setSizes(sizes)
            self.file_browser.show()
        else:
            self.file_browser.hide()

    def show_password_dialog(self, reply, authenticator):
        if reply.url().host() == config.setting['server_host']:
            ret = QtWidgets.QMessageBox.question(self,
                _("Authentication Required"),
                _("Picard needs authorization to access your personal data on the MusicBrainz server. Would you like to log in now?"),
                QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
                QtWidgets.QMessageBox.Yes)
            if ret == QtWidgets.QMessageBox.Yes:
                self.tagger.mb_login(self.on_mb_login_finished)
        else:
            dialog = PasswordDialog(authenticator, reply, parent=self)
            dialog.exec_()

    @classmethod
    def on_mb_login_finished(self, successful):
        log.debug('MusicBrainz authentication finished: %s', successful)

    def show_proxy_dialog(self, proxy, authenticator):
        dialog = ProxyDialog(authenticator, proxy, parent=self)
        dialog.exec_()

    def autotag(self):
        self.tagger.autotag(self.selected_objects)

    def cut(self):
        self.tagger.copy_files(self.selected_objects)
        self.paste_action.setEnabled(bool(self.selected_objects))

    def paste(self):
        selected_objects = self.selected_objects
        if not selected_objects:
            target = self.tagger.unclustered_files
        else:
            target = selected_objects[0]
        self.tagger.paste_files(target)
        self.paste_action.setEnabled(False)

    def do_update_check(self):
        self.check_for_update(True)

    def auto_update_check(self):
        check_for_updates = config.setting['check_for_updates']
        update_check_days = config.setting['update_check_days']
        last_update_check = config.persist['last_update_check']
        update_level = config.setting['update_level']
        today = datetime.date.today().toordinal()
        do_auto_update_check = check_for_updates and update_check_days > 0 and today >= last_update_check + update_check_days
        log.debug('{check_status} start-up check for program updates.  Today: {today_date}, Last check: {last_check} (Check interval: {check_interval} days), Update level: {update_level} ({update_level_name})'.format(
            check_status='Initiating' if do_auto_update_check else 'Skipping',
            today_date=datetime.date.today(),
            last_check=str(datetime.date.fromordinal(last_update_check)) if last_update_check > 0 else 'never',
            check_interval=update_check_days,
            update_level=update_level,
            update_level_name=PROGRAM_UPDATE_LEVELS[update_level]['name'] if update_level in PROGRAM_UPDATE_LEVELS else 'unknown',
        ))
        if do_auto_update_check:
            self.check_for_update(False)

    def check_for_update(self, show_always):
        self.tagger.updatecheckmanager.check_update(
            show_always=show_always,
            update_level=config.setting['update_level'],
            callback=update_last_check_date
        )
Esempio n. 2
0
class MainWindow(QtGui.QMainWindow):

    selection_updated = QtCore.pyqtSignal(object)

    options = [
        config.Option("persist", "window_state", QtCore.QByteArray()),
        config.Option("persist", "window_position", QtCore.QPoint()),
        config.Option("persist", "window_size", QtCore.QSize(780, 560)),
        config.Option("persist", "bottom_splitter_state", QtCore.QByteArray()),
        config.BoolOption("persist", "window_maximized", False),
        config.BoolOption("persist", "view_cover_art", True),
        config.BoolOption("persist", "view_file_browser", False),
        config.TextOption("persist", "current_directory", ""),
    ]

    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent)
        self.selected_objects = []
        self.ignore_selection_changes = False
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(_("MusicBrainz Picard"))
        icon = QtGui.QIcon()
        icon.addFile(":/images/16x16/picard.png", QtCore.QSize(16, 16))
        icon.addFile(":/images/24x24/picard.png", QtCore.QSize(24, 24))
        icon.addFile(":/images/32x32/picard.png", QtCore.QSize(32, 32))
        icon.addFile(":/images/48x48/picard.png", QtCore.QSize(48, 48))
        icon.addFile(":/images/128x128/picard.png", QtCore.QSize(128, 128))
        icon.addFile(":/images/256x256/picard.png", QtCore.QSize(256, 256))
        self.setWindowIcon(icon)

        self.create_actions()
        self.create_statusbar()
        self.create_toolbar()
        self.create_menus()

        mainLayout = QtGui.QSplitter(QtCore.Qt.Vertical)
        mainLayout.setContentsMargins(0, 0, 0, 0)
        mainLayout.setHandleWidth(1)

        self.panel = MainPanel(self, mainLayout)
        self.file_browser = FileBrowser(self.panel)
        if not self.show_file_browser_action.isChecked():
            self.file_browser.hide()
        self.panel.insertWidget(0, self.file_browser)
        self.panel.restore_state()

        self.metadata_box = MetadataBox(self)
        self.cover_art_box = CoverArtBox(self)
        if not self.show_cover_art_action.isChecked():
            self.cover_art_box.hide()

        bottomLayout = QtGui.QHBoxLayout()
        bottomLayout.setContentsMargins(0, 0, 0, 0)
        bottomLayout.setSpacing(0)
        bottomLayout.addWidget(self.metadata_box, 1)
        bottomLayout.addWidget(self.cover_art_box, 0)
        bottom = QtGui.QWidget()
        bottom.setLayout(bottomLayout)

        mainLayout.addWidget(self.panel)
        mainLayout.addWidget(bottom)
        self.setCentralWidget(mainLayout)

        # accessibility
        self.set_tab_order()

        # FIXME: use QApplication's clipboard
        self._clipboard = []

        for function in ui_init:
            function(self)

    def keyPressEvent(self, event):
        if event.matches(QtGui.QKeySequence.Delete):
            if self.metadata_box.hasFocus():
                self.metadata_box.remove_selected_tags()
            else:
                self.remove()
        else:
            QtGui.QMainWindow.keyPressEvent(self, event)

    def show(self):
        self.restoreWindowState()
        QtGui.QMainWindow.show(self)
        self.metadata_box.restore_state()

    def closeEvent(self, event):
        if config.setting[
                "quit_confirmation"] and not self.show_quit_confirmation():
            event.ignore()
            return
        self.saveWindowState()
        event.accept()

    def show_quit_confirmation(self):
        unsaved_files = sum(a.get_num_unsaved_files()
                            for a in self.tagger.albums.itervalues())
        QMessageBox = QtGui.QMessageBox

        if unsaved_files > 0:
            msg = QMessageBox(self)
            msg.setIcon(QMessageBox.Question)
            msg.setWindowModality(QtCore.Qt.WindowModal)
            msg.setWindowTitle(_(u"Unsaved Changes"))
            msg.setText(_(u"Are you sure you want to quit Picard?"))
            txt = ungettext(
                "There is %d unsaved file. Closing Picard will lose all unsaved changes.",
                "There are %d unsaved files. Closing Picard will lose all unsaved changes.",
                unsaved_files) % unsaved_files
            msg.setInformativeText(txt)
            cancel = msg.addButton(QMessageBox.Cancel)
            msg.setDefaultButton(cancel)
            msg.addButton(_(u"&Quit Picard"), QMessageBox.YesRole)
            ret = msg.exec_()

            if ret == QMessageBox.Cancel:
                return False

        return True

    def saveWindowState(self):
        config.persist["window_state"] = self.saveState()
        isMaximized = int(self.windowState()) & QtCore.Qt.WindowMaximized != 0
        if isMaximized:
            # FIXME: this doesn't include the window frame
            geom = self.normalGeometry()
            config.persist["window_position"] = geom.topLeft()
            config.persist["window_size"] = geom.size()
        else:
            pos = self.pos()
            if not pos.isNull():
                config.persist["window_position"] = pos
            config.persist["window_size"] = self.size()
        config.persist["window_maximized"] = isMaximized
        config.persist[
            "view_cover_art"] = self.show_cover_art_action.isChecked()
        config.persist[
            "view_file_browser"] = self.show_file_browser_action.isChecked()
        config.persist["bottom_splitter_state"] = self.centralWidget(
        ).saveState()
        self.file_browser.save_state()
        self.panel.save_state()
        self.metadata_box.save_state()

    def restoreWindowState(self):
        self.restoreState(config.persist["window_state"])
        pos = config.persist["window_position"]
        size = config.persist["window_size"]
        self._desktopgeo = self.tagger.desktop().screenGeometry()
        if (pos.x() > 0 and pos.y() > 0
                and pos.x() + size.width() < self._desktopgeo.width()
                and pos.y() + size.height() < self._desktopgeo.height()):
            self.move(pos)
        if size.width() <= 0 or size.height() <= 0:
            size = QtCore.QSize(780, 560)
        self.resize(size)
        if config.persist["window_maximized"]:
            self.setWindowState(QtCore.Qt.WindowMaximized)
        bottom_splitter_state = config.persist["bottom_splitter_state"]
        if bottom_splitter_state.isEmpty():
            self.centralWidget().setSizes([366, 194])
        else:
            self.centralWidget().restoreState(bottom_splitter_state)
        self.file_browser.restore_state()

    def create_statusbar(self):
        """Creates a new status bar."""
        self.statusBar().showMessage(_("Ready"))
        self.infostatus = InfoStatus(self)
        self.listening_label = QtGui.QLabel()
        self.listening_label.setVisible(False)
        self.listening_label.setToolTip("<qt/>" + _(
            "Picard listens on this port to integrate with your browser. When "
            "you \"Search\" or \"Open in Browser\" from Picard, clicking the "
            "\"Tagger\" button on the web page loads the release into Picard.")
                                        )
        self.statusBar().addPermanentWidget(self.infostatus)
        self.statusBar().addPermanentWidget(self.listening_label)
        self.tagger.tagger_stats_changed.connect(self.update_statusbar_stats)
        self.tagger.listen_port_changed.connect(
            self.update_statusbar_listen_port)
        self.update_statusbar_stats()

    @throttle(100)
    def update_statusbar_stats(self):
        """Updates the status bar information."""
        self.infostatus.setFiles(len(self.tagger.files))
        self.infostatus.setAlbums(len(self.tagger.albums))
        self.infostatus.setPendingFiles(File.num_pending_files)
        ws = self.tagger.xmlws
        self.infostatus.setPendingRequests(ws.num_pending_web_requests)

    def update_statusbar_listen_port(self, listen_port):
        if listen_port:
            self.listening_label.setVisible(True)
            self.listening_label.setText(
                _(" Listening on port %(port)d ") % {"port": listen_port})
        else:
            self.listening_label.setVisible(False)

    def set_statusbar_message(self, message, *args, **kwargs):
        """Set the status bar message.

        *args are passed to % operator, if args[0] is a mapping it is used for
        named place holders values
        >>> w.set_statusbar_message("File %(filename)s", {'filename': 'x.txt'})

        Keyword arguments:
        `echo` parameter defaults to `log.debug`, called before message is
        translated, it can be disabled passing None or replaced by ie.
        `log.error`. If None, skipped.

        `translate` is a method called on message before it is sent to history
        log and status bar, it defaults to `_()`. If None, skipped.

        `timeout` defines duration of the display in milliseconds

        `history` is a method called with translated message as argument, it
        defaults to `log.history_info`. If None, skipped.

        Empty messages are never passed to echo and history functions but they
        are sent to status bar (ie. to clear it).
        """
        def isdict(obj):
            return hasattr(obj, 'keys') and hasattr(obj, '__getitem__')

        echo = kwargs.get('echo', log.debug)
        # _ is defined using __builtin__.__dict__, so setting it as default named argument
        # value doesn't work as expected
        translate = kwargs.get('translate', _)
        timeout = kwargs.get('timeout', 0)
        history = kwargs.get('history', log.history_info)
        if len(args) == 1 and isdict(args[0]):
            # named place holders
            mparms = args[0]
        else:
            # simple place holders, ensure compatibility
            mparms = args
        if message:
            if echo:
                echo(message % mparms)
            if translate:
                message = translate(message)
            message = message % mparms
            if history:
                history(message)
        thread.to_main(self.statusBar().showMessage, message, timeout)

    def _on_submit(self):
        if self.tagger.use_acoustid:
            if not config.setting["acoustid_apikey"]:
                QtGui.QMessageBox.warning(
                    self, _(u"Submission Error"),
                    _(u"You need to configure your AcoustID API key before you can submit fingerprints."
                      ))
            else:
                self.tagger.acoustidmanager.submit()

    def create_actions(self):
        self.options_action = QtGui.QAction(
            icontheme.lookup('preferences-desktop'), _("&Options..."), self)
        self.options_action.setMenuRole(QtGui.QAction.PreferencesRole)
        self.options_action.triggered.connect(self.show_options)

        self.cut_action = QtGui.QAction(
            icontheme.lookup('edit-cut', icontheme.ICON_SIZE_MENU), _(u"&Cut"),
            self)
        self.cut_action.setShortcut(QtGui.QKeySequence.Cut)
        self.cut_action.setEnabled(False)
        self.cut_action.triggered.connect(self.cut)

        self.paste_action = QtGui.QAction(
            icontheme.lookup('edit-paste', icontheme.ICON_SIZE_MENU),
            _(u"&Paste"), self)
        self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
        self.paste_action.setEnabled(False)
        self.paste_action.triggered.connect(self.paste)

        self.help_action = QtGui.QAction(_("&Help..."), self)
        self.help_action.setShortcut(QtGui.QKeySequence.HelpContents)
        self.help_action.triggered.connect(self.show_help)

        self.about_action = QtGui.QAction(_("&About..."), self)
        self.about_action.setMenuRole(QtGui.QAction.AboutRole)
        self.about_action.triggered.connect(self.show_about)

        self.donate_action = QtGui.QAction(_("&Donate..."), self)
        self.donate_action.triggered.connect(self.open_donation_page)

        self.report_bug_action = QtGui.QAction(_("&Report a Bug..."), self)
        self.report_bug_action.triggered.connect(self.open_bug_report)

        self.support_forum_action = QtGui.QAction(_("&Support Forum..."), self)
        self.support_forum_action.triggered.connect(self.open_support_forum)

        self.add_files_action = QtGui.QAction(
            icontheme.lookup('document-open'), _(u"&Add Files..."), self)
        self.add_files_action.setStatusTip(_(u"Add files to the tagger"))
        # TR: Keyboard shortcut for "Add Files..."
        self.add_files_action.setShortcut(QtGui.QKeySequence.Open)
        self.add_files_action.triggered.connect(self.add_files)

        self.add_directory_action = QtGui.QAction(icontheme.lookup('folder'),
                                                  _(u"A&dd Folder..."), self)
        self.add_directory_action.setStatusTip(
            _(u"Add a folder to the tagger"))
        # TR: Keyboard shortcut for "Add Directory..."
        self.add_directory_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+D")))
        self.add_directory_action.triggered.connect(self.add_directory)

        self.save_action = QtGui.QAction(icontheme.lookup('document-save'),
                                         _(u"&Save"), self)
        self.save_action.setStatusTip(_(u"Save selected files"))
        # TR: Keyboard shortcut for "Save"
        self.save_action.setShortcut(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.save)

        self.submit_action = QtGui.QAction(icontheme.lookup('picard-submit'),
                                           _(u"S&ubmit"), self)
        self.submit_action.setStatusTip(_(u"Submit acoustic fingerprints"))
        self.submit_action.setEnabled(False)
        self.submit_action.triggered.connect(self._on_submit)

        self.exit_action = QtGui.QAction(_(u"E&xit"), self)
        self.exit_action.setMenuRole(QtGui.QAction.QuitRole)
        # TR: Keyboard shortcut for "Exit"
        self.exit_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Q")))
        self.exit_action.triggered.connect(self.close)

        self.remove_action = QtGui.QAction(icontheme.lookup('list-remove'),
                                           _(u"&Remove"), self)
        self.remove_action.setStatusTip(_(u"Remove selected files/albums"))
        self.remove_action.setEnabled(False)
        self.remove_action.triggered.connect(self.remove)

        self.browser_lookup_action = QtGui.QAction(
            icontheme.lookup('lookup-musicbrainz'), _(u"Lookup in &Browser"),
            self)
        self.browser_lookup_action.setStatusTip(
            _(u"Lookup selected item on MusicBrainz website"))
        self.browser_lookup_action.setEnabled(False)
        self.browser_lookup_action.triggered.connect(self.browser_lookup)

        self.show_file_browser_action = QtGui.QAction(_(u"File &Browser"),
                                                      self)
        self.show_file_browser_action.setCheckable(True)
        if config.persist["view_file_browser"]:
            self.show_file_browser_action.setChecked(True)
        self.show_file_browser_action.setShortcut(
            QtGui.QKeySequence(_(u"Ctrl+B")))
        self.show_file_browser_action.triggered.connect(self.show_file_browser)

        self.show_cover_art_action = QtGui.QAction(_(u"&Cover Art"), self)
        self.show_cover_art_action.setCheckable(True)
        if config.persist["view_cover_art"]:
            self.show_cover_art_action.setChecked(True)
        self.show_cover_art_action.triggered.connect(self.show_cover_art)

        self.search_action = QtGui.QAction(icontheme.lookup('system-search'),
                                           _(u"Search"), self)
        self.search_action.triggered.connect(self.search)

        self.cd_lookup_action = QtGui.QAction(
            icontheme.lookup('media-optical'), _(u"Lookup &CD..."), self)
        self.cd_lookup_action.setStatusTip(
            _(u"Lookup the details of the CD in your drive"))
        # TR: Keyboard shortcut for "Lookup CD"
        self.cd_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))
        self.cd_lookup_action.triggered.connect(self.tagger.lookup_cd)

        self.analyze_action = QtGui.QAction(icontheme.lookup('picard-analyze'),
                                            _(u"&Scan"), self)
        self.analyze_action.setStatusTip(
            _(u"Use AcoustID audio fingerprint to identify the files by the actual music, even if they have no metadata"
              ))
        self.analyze_action.setEnabled(False)
        # TR: Keyboard shortcut for "Analyze"
        self.analyze_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Y")))
        self.analyze_action.triggered.connect(self.analyze)

        self.cluster_action = QtGui.QAction(icontheme.lookup('picard-cluster'),
                                            _(u"Cl&uster"), self)
        self.cluster_action.setStatusTip(
            _(u"Cluster files into album clusters"))
        self.cluster_action.setEnabled(False)
        # TR: Keyboard shortcut for "Cluster"
        self.cluster_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+U")))
        self.cluster_action.triggered.connect(self.cluster)

        self.autotag_action = QtGui.QAction(
            icontheme.lookup('picard-auto-tag'), _(u"&Lookup"), self)
        tip = _(u"Lookup selected items in MusicBrainz")
        self.autotag_action.setToolTip(tip)
        self.autotag_action.setStatusTip(tip)
        self.autotag_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup"
        self.autotag_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+L")))
        self.autotag_action.triggered.connect(self.autotag)

        self.view_info_action = QtGui.QAction(
            icontheme.lookup('picard-edit-tags'), _(u"&Info..."), self)
        self.view_info_action.setEnabled(False)
        # TR: Keyboard shortcut for "Info"
        self.view_info_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+I")))
        self.view_info_action.triggered.connect(self.view_info)

        self.refresh_action = QtGui.QAction(
            icontheme.lookup('view-refresh', icontheme.ICON_SIZE_MENU),
            _("&Refresh"), self)
        self.refresh_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+R")))
        self.refresh_action.triggered.connect(self.refresh)

        self.enable_renaming_action = QtGui.QAction(_(u"&Rename Files"), self)
        self.enable_renaming_action.setCheckable(True)
        self.enable_renaming_action.setChecked(config.setting["rename_files"])
        self.enable_renaming_action.triggered.connect(self.toggle_rename_files)

        self.enable_moving_action = QtGui.QAction(_(u"&Move Files"), self)
        self.enable_moving_action.setCheckable(True)
        self.enable_moving_action.setChecked(config.setting["move_files"])
        self.enable_moving_action.triggered.connect(self.toggle_move_files)

        self.enable_tag_saving_action = QtGui.QAction(_(u"Save &Tags"), self)
        self.enable_tag_saving_action.setCheckable(True)
        self.enable_tag_saving_action.setChecked(
            not config.setting["dont_write_tags"])
        self.enable_tag_saving_action.triggered.connect(self.toggle_tag_saving)

        self.tags_from_filenames_action = QtGui.QAction(
            _(u"Tags From &File Names..."), self)
        self.tags_from_filenames_action.triggered.connect(
            self.open_tags_from_filenames)
        self.tags_from_filenames_action.setEnabled(False)

        self.open_collection_in_browser_action = QtGui.QAction(
            _(u"&Open My Collections in Browser"), self)
        self.open_collection_in_browser_action.triggered.connect(
            self.open_collection_in_browser)
        self.open_collection_in_browser_action.setEnabled(
            config.setting["username"] != u'')

        self.view_log_action = QtGui.QAction(_(u"View Error/Debug &Log"), self)
        self.view_log_action.triggered.connect(self.show_log)

        self.view_history_action = QtGui.QAction(_(u"View Activity &History"),
                                                 self)
        self.view_history_action.triggered.connect(self.show_history)

        xmlws_manager = self.tagger.xmlws.manager
        xmlws_manager.authenticationRequired.connect(self.show_password_dialog)
        xmlws_manager.proxyAuthenticationRequired.connect(
            self.show_proxy_dialog)

        self.play_file_action = QtGui.QAction(icontheme.lookup('play-music'),
                                              _(u"&Play file"), self)
        self.play_file_action.setStatusTip(
            _(u"Play the file in your default media player"))
        self.play_file_action.setEnabled(False)
        self.play_file_action.triggered.connect(self.play_file)

        self.open_folder_action = QtGui.QAction(
            icontheme.lookup('folder', icontheme.ICON_SIZE_MENU),
            _(u"Open Containing &Folder"), self)
        self.open_folder_action.setStatusTip(
            _(u"Open the containing folder in your file explorer"))
        self.open_folder_action.setEnabled(False)
        self.open_folder_action.triggered.connect(self.open_folder)

    def toggle_rename_files(self, checked):
        config.setting["rename_files"] = checked

    def toggle_move_files(self, checked):
        config.setting["move_files"] = checked

    def toggle_tag_saving(self, checked):
        config.setting["dont_write_tags"] = not checked

    def get_selected_or_unmatched_files(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        if not files:
            files = self.tagger.unmatched_files.files
        return files

    def open_tags_from_filenames(self):
        files = self.get_selected_or_unmatched_files()
        if files:
            dialog = TagsFromFileNamesDialog(files, self)
            dialog.exec_()

    def open_collection_in_browser(self):
        self.tagger.collection_lookup()

    def create_menus(self):
        menu = self.menuBar().addMenu(_(u"&File"))
        menu.addAction(self.add_directory_action)
        menu.addAction(self.add_files_action)
        menu.addSeparator()
        menu.addAction(self.play_file_action)
        menu.addAction(self.open_folder_action)
        menu.addSeparator()
        menu.addAction(self.save_action)
        menu.addAction(self.submit_action)
        menu.addSeparator()
        menu.addAction(self.exit_action)
        menu = self.menuBar().addMenu(_(u"&Edit"))
        menu.addAction(self.cut_action)
        menu.addAction(self.paste_action)
        menu.addSeparator()
        menu.addAction(self.view_info_action)
        menu.addAction(self.remove_action)
        menu = self.menuBar().addMenu(_(u"&View"))
        menu.addAction(self.show_file_browser_action)
        menu.addAction(self.show_cover_art_action)
        menu.addSeparator()
        menu.addAction(self.toolbar_toggle_action)
        menu.addAction(self.search_toolbar_toggle_action)
        menu = self.menuBar().addMenu(_(u"&Options"))
        menu.addAction(self.enable_renaming_action)
        menu.addAction(self.enable_moving_action)
        menu.addAction(self.enable_tag_saving_action)
        menu.addSeparator()
        menu.addAction(self.options_action)
        menu = self.menuBar().addMenu(_(u"&Tools"))
        menu.addAction(self.refresh_action)
        menu.addAction(self.cd_lookup_action)
        menu.addAction(self.autotag_action)
        menu.addAction(self.analyze_action)
        menu.addAction(self.cluster_action)
        menu.addAction(self.browser_lookup_action)
        menu.addSeparator()
        menu.addAction(self.tags_from_filenames_action)
        menu.addAction(self.open_collection_in_browser_action)
        self.menuBar().addSeparator()
        menu = self.menuBar().addMenu(_(u"&Help"))
        menu.addAction(self.help_action)
        menu.addSeparator()
        menu.addAction(self.view_history_action)
        menu.addSeparator()
        menu.addAction(self.support_forum_action)
        menu.addAction(self.report_bug_action)
        menu.addAction(self.view_log_action)
        menu.addSeparator()
        menu.addAction(self.donate_action)
        menu.addAction(self.about_action)

    def update_toolbar_style(self):
        if config.setting["toolbar_show_labels"]:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        else:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        self.cd_lookup_action.setEnabled(
            len(get_cdrom_drives()) > 0 and discid is not None)

    def create_toolbar(self):
        self.toolbar = toolbar = self.addToolBar(_(u"Actions"))
        self.toolbar_toggle_action = self.toolbar.toggleViewAction()
        self.update_toolbar_style()
        toolbar.setObjectName("main_toolbar")

        def add_toolbar_action(action):
            toolbar.addAction(action)
            widget = toolbar.widgetForAction(action)
            widget.setFocusPolicy(QtCore.Qt.TabFocus)
            widget.setAttribute(QtCore.Qt.WA_MacShowFocusRect)

        add_toolbar_action(self.add_directory_action)
        add_toolbar_action(self.add_files_action)
        toolbar.addSeparator()
        add_toolbar_action(self.play_file_action)
        toolbar.addSeparator()
        add_toolbar_action(self.save_action)
        add_toolbar_action(self.submit_action)
        toolbar.addSeparator()

        add_toolbar_action(self.cd_lookup_action)
        drives = get_cdrom_drives()
        if len(drives) > 1:
            self.cd_lookup_menu = QtGui.QMenu()
            for drive in drives:
                self.cd_lookup_menu.addAction(drive)
            self.cd_lookup_menu.triggered.connect(self.tagger.lookup_cd)
            button = toolbar.widgetForAction(self.cd_lookup_action)
            button.setPopupMode(QtGui.QToolButton.MenuButtonPopup)
            button.setMenu(self.cd_lookup_menu)

        add_toolbar_action(self.cluster_action)
        add_toolbar_action(self.autotag_action)
        add_toolbar_action(self.analyze_action)
        add_toolbar_action(self.view_info_action)
        add_toolbar_action(self.remove_action)
        add_toolbar_action(self.browser_lookup_action)

        self.search_toolbar = toolbar = self.addToolBar(_(u"Search"))
        self.search_toolbar_toggle_action = self.search_toolbar.toggleViewAction(
        )
        toolbar.setObjectName("search_toolbar")
        search_panel = QtGui.QWidget(toolbar)
        hbox = QtGui.QHBoxLayout(search_panel)
        self.search_combo = QtGui.QComboBox(search_panel)
        self.search_combo.addItem(_(u"Album"), "album")
        self.search_combo.addItem(_(u"Artist"), "artist")
        self.search_combo.addItem(_(u"Track"), "track")
        hbox.addWidget(self.search_combo, 0)
        self.search_edit = ButtonLineEdit(search_panel)
        self.search_edit.returnPressed.connect(self.search)
        hbox.addWidget(self.search_edit, 0)
        self.search_button = QtGui.QToolButton(search_panel)
        self.search_button.setAutoRaise(True)
        self.search_button.setDefaultAction(self.search_action)
        self.search_button.setIconSize(QtCore.QSize(22, 22))
        self.search_button.setAttribute(QtCore.Qt.WA_MacShowFocusRect)
        hbox.addWidget(self.search_button)
        toolbar.addWidget(search_panel)

    def set_tab_order(self):
        tab_order = self.setTabOrder
        tw = self.toolbar.widgetForAction

        # toolbar
        tab_order(tw(self.add_directory_action), tw(self.add_files_action))
        tab_order(tw(self.add_files_action), tw(self.play_file_action))
        tab_order(tw(self.play_file_action), tw(self.save_action))
        tab_order(tw(self.save_action), tw(self.submit_action))
        tab_order(tw(self.submit_action), tw(self.cd_lookup_action))
        tab_order(tw(self.cd_lookup_action), tw(self.cluster_action))
        tab_order(tw(self.cluster_action), tw(self.autotag_action))
        tab_order(tw(self.autotag_action), tw(self.analyze_action))
        tab_order(tw(self.analyze_action), tw(self.view_info_action))
        tab_order(tw(self.view_info_action), tw(self.remove_action))
        tab_order(tw(self.remove_action), tw(self.browser_lookup_action))
        tab_order(tw(self.browser_lookup_action), self.search_combo)
        tab_order(self.search_combo, self.search_edit)
        tab_order(self.search_edit, self.search_button)
        # panels
        tab_order(self.search_button, self.file_browser)
        tab_order(self.file_browser, self.panel.views[0])
        tab_order(self.panel.views[0], self.panel.views[1])
        tab_order(self.panel.views[1], self.metadata_box)

    def enable_submit(self, enabled):
        """Enable/disable the 'Submit fingerprints' action."""
        self.submit_action.setEnabled(enabled)

    def enable_cluster(self, enabled):
        """Enable/disable the 'Cluster' action."""
        self.cluster_action.setEnabled(enabled)

    def search(self):
        """Search for album, artist or track on the MusicBrainz website."""
        text = self.search_edit.text()
        type = self.search_combo.itemData(self.search_combo.currentIndex())
        self.tagger.search(text, type, config.setting["use_adv_search_syntax"])

    def add_files(self):
        """Add files to the tagger."""
        current_directory = find_starting_directory()
        formats = []
        extensions = []
        for exts, name in supported_formats():
            exts = ["*" + e for e in exts]
            formats.append("%s (%s)" % (name, " ".join(exts)))
            extensions.extend(exts)
        formats.sort()
        extensions.sort()
        formats.insert(
            0,
            _("All Supported Formats") + " (%s)" % " ".join(extensions))
        files = QtGui.QFileDialog.getOpenFileNames(self, "", current_directory,
                                                   u";;".join(formats))
        if files:
            files = map(unicode, files)
            config.persist["current_directory"] = os.path.dirname(files[0])
            self.tagger.add_files(files)

    def add_directory(self):
        """Add directory to the tagger."""
        current_directory = find_starting_directory()

        dir_list = []
        if not config.setting["toolbar_multiselect"]:
            directory = QtGui.QFileDialog.getExistingDirectory(
                self, "", current_directory)
            if directory:
                dir_list.append(directory)
        else:
            # Use a custom file selection dialog to allow the selection of multiple directories
            file_dialog = QtGui.QFileDialog(self, "", current_directory)
            file_dialog.setFileMode(QtGui.QFileDialog.DirectoryOnly)
            if sys.platform == "darwin":  # The native dialog doesn't allow selecting >1 directory
                file_dialog.setOption(QtGui.QFileDialog.DontUseNativeDialog)
            tree_view = file_dialog.findChild(QtGui.QTreeView)
            tree_view.setSelectionMode(
                QtGui.QAbstractItemView.ExtendedSelection)
            list_view = file_dialog.findChild(QtGui.QListView, "listView")
            list_view.setSelectionMode(
                QtGui.QAbstractItemView.ExtendedSelection)

            if file_dialog.exec_() == QtGui.QDialog.Accepted:
                dir_list = file_dialog.selectedFiles()

        if len(dir_list) == 1:
            config.persist["current_directory"] = dir_list[0]
            self.set_statusbar_message(
                N_("Adding directory: '%(directory)s' ..."),
                {'directory': dir_list[0]})
        elif len(dir_list) > 1:
            (parent, dir) = os.path.split(str(dir_list[0]))
            config.persist["current_directory"] = parent
            self.set_statusbar_message(
                N_("Adding multiple directories from '%(directory)s' ..."),
                {'directory': parent})

        for directory in dir_list:
            directory = unicode(directory)
            self.tagger.add_directory(directory)

    def show_about(self):
        self.show_options("about")

    def show_options(self, page=None):
        dialog = OptionsDialog(page, self)
        dialog.exec_()

    def show_help(self):
        webbrowser2.goto('documentation')

    def show_log(self):
        from picard.ui.logview import LogView
        LogView(self).show()

    def show_history(self):
        from picard.ui.logview import HistoryView
        HistoryView(self).show()

    def open_bug_report(self):
        webbrowser2.goto('troubleshooting')

    def open_support_forum(self):
        webbrowser2.goto('forum')

    def open_donation_page(self):
        webbrowser2.goto('donate')

    def save(self):
        """Tell the tagger to save the selected objects."""
        self.tagger.save(self.selected_objects)

    def remove(self):
        """Tell the tagger to remove the selected objects."""
        self.panel.remove(self.selected_objects)

    def analyze(self):
        if not config.setting['fingerprinting_system']:
            if self.show_analyze_settings_info():
                self.show_options("fingerprinting")
            if not config.setting['fingerprinting_system']:
                return
        return self.tagger.analyze(self.selected_objects)

    def play_file(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(file.filename)
            QtGui.QDesktopServices.openUrl(url)

    def open_folder(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(os.path.dirname(file.filename))
            QtGui.QDesktopServices.openUrl(url)

    def show_analyze_settings_info(self):
        ret = QtGui.QMessageBox.question(
            self, _(u"Configuration Required"),
            _(u"Audio fingerprinting is not yet configured. Would you like to configure it now?"
              ), QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
            QtGui.QMessageBox.Yes)
        return ret == QtGui.QMessageBox.Yes

    def view_info(self):
        if isinstance(self.selected_objects[0], Album):
            album = self.selected_objects[0]
            dialog = AlbumInfoDialog(album, self)
        elif isinstance(self.selected_objects[0], Cluster):
            cluster = self.selected_objects[0]
            dialog = ClusterInfoDialog(cluster, self)
        else:
            file = self.tagger.get_files_from_objects(self.selected_objects)[0]
            dialog = FileInfoDialog(file, self)
        dialog.exec_()

    def cluster(self):
        self.tagger.cluster(self.selected_objects)
        self.update_actions()

    def refresh(self):
        self.tagger.refresh(self.selected_objects)

    def browser_lookup(self):
        self.tagger.browser_lookup(self.selected_objects[0])

    @throttle(100)
    def update_actions(self):
        can_remove = False
        can_save = False
        can_analyze = False
        can_refresh = False
        can_autotag = False
        single = self.selected_objects[0] if len(
            self.selected_objects) == 1 else None
        can_view_info = bool(single and single.can_view_info())
        can_browser_lookup = bool(single and single.can_browser_lookup())
        have_files = len(
            self.tagger.get_files_from_objects(self.selected_objects)) > 0
        for obj in self.selected_objects:
            if obj is None:
                continue
            if obj.can_analyze():
                can_analyze = True
            if obj.can_save():
                can_save = True
            if obj.can_remove():
                can_remove = True
            if obj.can_refresh():
                can_refresh = True
            if obj.can_autotag():
                can_autotag = True
            # Skip further loops if all values now True.
            if can_analyze and can_save and can_remove and can_refresh and can_autotag:
                break
        self.remove_action.setEnabled(can_remove)
        self.save_action.setEnabled(can_save)
        self.view_info_action.setEnabled(can_view_info)
        self.analyze_action.setEnabled(can_analyze)
        self.refresh_action.setEnabled(can_refresh)
        self.autotag_action.setEnabled(can_autotag)
        self.browser_lookup_action.setEnabled(can_browser_lookup)
        self.play_file_action.setEnabled(have_files)
        self.open_folder_action.setEnabled(have_files)
        self.cut_action.setEnabled(bool(self.selected_objects))
        files = self.get_selected_or_unmatched_files()
        self.tags_from_filenames_action.setEnabled(bool(files))

    def update_selection(self, objects=None):
        if self.ignore_selection_changes:
            return

        if objects is not None:
            self.selected_objects = objects
        else:
            objects = self.selected_objects

        self.update_actions()

        metadata = None
        obj = None

        if len(objects) == 1:
            obj = list(objects)[0]
            if isinstance(obj, File):
                metadata = obj.metadata
                if obj.state == obj.ERROR:
                    msg = N_("%(filename)s (error: %(error)s)")
                    mparms = {'filename': obj.filename, 'error': obj.error}
                else:
                    msg = N_("%(filename)s")
                    mparms = {
                        'filename': obj.filename,
                    }
                self.set_statusbar_message(msg,
                                           mparms,
                                           echo=None,
                                           history=None)
            elif isinstance(obj, Track):
                metadata = obj.metadata
                if obj.num_linked_files == 1:
                    file = obj.linked_files[0]
                    if file.state == File.ERROR:
                        msg = N_(
                            "%(filename)s (%(similarity)d%%) (error: %(error)s)"
                        )
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                            'error': file.error
                        }
                    else:
                        msg = N_("%(filename)s (%(similarity)d%%)")
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                        }
                    self.set_statusbar_message(msg,
                                               mparms,
                                               echo=None,
                                               history=None)
            elif obj.can_edit_tags():
                metadata = obj.metadata

        self.metadata_box.selection_dirty = True
        self.metadata_box.update()
        self.cover_art_box.set_metadata(metadata, obj)
        self.selection_updated.emit(objects)

    def show_cover_art(self):
        """Show/hide the cover art box."""
        if self.show_cover_art_action.isChecked():
            self.cover_art_box.show()
            self.metadata_box.resize_columns()
        else:
            self.cover_art_box.hide()

    def show_file_browser(self):
        """Show/hide the file browser."""
        if self.show_file_browser_action.isChecked():
            sizes = self.panel.sizes()
            if sizes[0] == 0:
                sizes[0] = sum(sizes) / 4
                self.panel.setSizes(sizes)
            self.file_browser.show()
        else:
            self.file_browser.hide()

    def show_password_dialog(self, reply, authenticator):
        if reply.url().host() == config.setting['server_host']:
            ret = QtGui.QMessageBox.question(
                self, _(u"Authentication Required"),
                _(u"Picard needs authorization to access your personal data on the MusicBrainz server. Would you like to log in now?"
                  ), QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
                QtGui.QMessageBox.Yes)
            if ret == QtGui.QMessageBox.Yes:
                pass
        else:
            dialog = PasswordDialog(authenticator, reply, parent=self)
            dialog.exec_()

    def show_proxy_dialog(self, proxy, authenticator):
        dialog = ProxyDialog(authenticator, proxy, parent=self)
        dialog.exec_()

    def autotag(self):
        self.tagger.autotag(self.selected_objects)

    def cut(self):
        self._clipboard = self.selected_objects
        self.paste_action.setEnabled(bool(self._clipboard))

    def paste(self):
        selected_objects = self.selected_objects
        if not selected_objects:
            target = self.tagger.unmatched_files
        else:
            target = selected_objects[0]
        self.tagger.move_files(
            self.tagger.get_files_from_objects(self._clipboard), target)
        self._clipboard = []
        self.paste_action.setEnabled(False)
Esempio n. 3
0
class MainWindow(QtGui.QMainWindow):

    options = [
        Option("persist", "window_state", QtCore.QByteArray(),
               QtCore.QVariant.toByteArray),
        Option("persist", "window_position", QtCore.QPoint(),
               QtCore.QVariant.toPoint),
        Option("persist", "window_size", QtCore.QSize(780, 560),
               QtCore.QVariant.toSize),
        Option("persist", "bottom_splitter_state", QtCore.QByteArray(),
               QtCore.QVariant.toByteArray),
        BoolOption("persist", "window_maximized", False),
        BoolOption("persist", "view_cover_art", False),
        BoolOption("persist", "view_file_browser", False),
        TextOption("persist", "current_directory", ""),
    ]

    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent)
        self.selected_objects = []
        self.ignore_selection_changes = False
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(_("MusicBrainz Picard"))
        icon = QtGui.QIcon()
        icon.addFile(":/images/16x16/picard.png", QtCore.QSize(16, 16))
        icon.addFile(":/images/24x24/picard.png", QtCore.QSize(24, 24))
        icon.addFile(":/images/32x32/picard.png", QtCore.QSize(32, 32))
        icon.addFile(":/images/48x48/picard.png", QtCore.QSize(48, 48))
        icon.addFile(":/images/128x128/picard.png", QtCore.QSize(128, 128))
        icon.addFile(":/images/256x256/picard.png", QtCore.QSize(256, 256))
        self.setWindowIcon(icon)

        self.create_actions()
        self.create_statusbar()
        self.create_toolbar()
        self.create_menus()

        mainLayout = QtGui.QSplitter(QtCore.Qt.Vertical)
        mainLayout.setContentsMargins(0, 0, 0, 0)
        mainLayout.setHandleWidth(1)

        self.panel = MainPanel(self, mainLayout)
        self.file_browser = FileBrowser(self.panel)
        if not self.show_file_browser_action.isChecked():
            self.file_browser.hide()
        self.panel.insertWidget(0, self.file_browser)
        self.panel.restore_state()

        self.metadata_box = MetadataBox(self)
        self.cover_art_box = CoverArtBox(self)
        if not self.show_cover_art_action.isChecked():
            self.cover_art_box.hide()

        bottomLayout = QtGui.QHBoxLayout()
        bottomLayout.setContentsMargins(0, 0, 0, 0)
        bottomLayout.setSpacing(0)
        bottomLayout.addWidget(self.metadata_box, 1)
        bottomLayout.addWidget(self.cover_art_box, 0)
        bottom = QtGui.QWidget()
        bottom.setLayout(bottomLayout)

        mainLayout.addWidget(self.panel)
        mainLayout.addWidget(bottom)
        self.setCentralWidget(mainLayout)

        # FIXME: use QApplication's clipboard
        self._clipboard = []

        for function in ui_init:
            function(self)

    def keyPressEvent(self, event):
        if event.matches(QtGui.QKeySequence.Delete):
            if self.metadata_box.hasFocus():
                self.metadata_box.remove_selected_tags()
            else:
                self.remove()
        else:
            QtGui.QMainWindow.keyPressEvent(self, event)

    def show(self):
        self.restoreWindowState()
        QtGui.QMainWindow.show(self)
        self.metadata_box.restore_state()

    def closeEvent(self, event):
        if self.config.setting["quit_confirmation"] and not self.show_quit_confirmation():
            event.ignore()
            return
        self.saveWindowState()
        event.accept()

    def show_quit_confirmation(self):
        unsaved_files = sum(a.get_num_unsaved_files() for a in self.tagger.albums.itervalues())
        QMessageBox = QtGui.QMessageBox

        if unsaved_files > 0:
            msg = QMessageBox(self)
            msg.setIcon(QMessageBox.Question)
            msg.setWindowModality(QtCore.Qt.WindowModal)
            msg.setWindowTitle(_(u"Unsaved Changes"))
            msg.setText(_(u"Are you sure you want to quit Picard?"))
            txt = ungettext(
                "There is %d unsaved file. Closing Picard will lose all unsaved changes.",
                "There are %d unsaved files. Closing Picard will lose all unsaved changes.",
                unsaved_files) % unsaved_files
            msg.setInformativeText(txt)
            cancel = msg.addButton(QMessageBox.Cancel)
            msg.setDefaultButton(cancel)
            msg.addButton(_(u"&Quit Picard"), QMessageBox.YesRole)
            ret = msg.exec_()

            if ret == QMessageBox.Cancel:
                return False

        return True

    def saveWindowState(self):
        self.config.persist["window_state"] = self.saveState()
        isMaximized = int(self.windowState()) & QtCore.Qt.WindowMaximized != 0
        if isMaximized:
            # FIXME: this doesn't include the window frame
            geom = self.normalGeometry()
            self.config.persist["window_position"] = geom.topLeft()
            self.config.persist["window_size"] = geom.size()
        else:
            pos = self.pos()
            if not pos.isNull():
                self.config.persist["window_position"] = pos
            self.config.persist["window_size"] = self.size()
        self.config.persist["window_maximized"] = isMaximized
        self.config.persist["view_cover_art"] = self.show_cover_art_action.isChecked()
        self.config.persist["view_file_browser"] = self.show_file_browser_action.isChecked()
        self.config.persist["bottom_splitter_state"] = self.centralWidget().saveState()
        self.file_browser.save_state()
        self.panel.save_state()
        self.metadata_box.save_state()

    def restoreWindowState(self):
        self.restoreState(self.config.persist["window_state"])
        pos = self.config.persist["window_position"]
        size = self.config.persist["window_size"]
        self._desktopgeo = self.tagger.desktop().screenGeometry()
        if pos.x() > 0 and pos.y() > 0 and pos.x()+size.width() < self._desktopgeo.width() and pos.y()+size.height() < self._desktopgeo.height():
            self.move(pos)
        if size.width() <= 0 or size.height() <= 0:
            size = QtCore.QSize(780, 560)
        self.resize(size)
        if self.config.persist["window_maximized"]:
            self.setWindowState(QtCore.Qt.WindowMaximized)
        bottom_splitter_state = self.config.persist["bottom_splitter_state"]
        if bottom_splitter_state.isEmpty():
            self.centralWidget().setSizes([366, 194])
        else:
            self.centralWidget().restoreState(bottom_splitter_state)
        self.file_browser.restore_state()

    def create_statusbar(self):
        """Creates a new status bar."""
        self.statusBar().showMessage(_("Ready"))
        self.file_counts_label = QtGui.QLabel()
        self.listening_label = QtGui.QLabel()
        self.listening_label.setVisible(False)
        self.listening_label.setToolTip(_("Picard listens on a port to integrate with your browser and downloads release"
                                          " information when you click the \"Tagger\" buttons on the MusicBrainz website"))
        self.statusBar().addPermanentWidget(self.file_counts_label)
        self.statusBar().addPermanentWidget(self.listening_label)
        self.tagger.file_state_changed.connect(self.update_statusbar_files)
        self.tagger.listen_port_changed.connect(self.update_statusbar_listen_port)
        self.update_statusbar_files(0)

    def update_statusbar_files(self, num_pending_files):
        """Updates the status bar information."""
        self.file_counts_label.setText(_(" Files: %(files)d, Pending Files: %(pending)d ")
            % {"files": self.tagger.num_files(), "pending": num_pending_files})

    def update_statusbar_listen_port(self, listen_port):
        self.listening_label.setVisible(True)
        self.listening_label.setText(_(" Listening on port %(port)d ") % {"port": listen_port})

    def set_statusbar_message(self, message, *args, **kwargs):
        """Set the status bar message."""
        try:
            if message:
                self.log.debug(repr(message.replace('%%s', '%%r')), *args)
        except:
            pass
        self.tagger.thread_pool.call_from_thread(
            self._set_statusbar_message, message, *args, **kwargs)

    def _set_statusbar_message(self, message, *args, **kwargs):
        if message:
            if args:
                message = _(message) % args
            else:
                message = _(message)
        self.statusBar().showMessage(message, kwargs.get('timeout', 0))

    def _on_submit(self):
        if self.tagger.use_acoustid:
            if not self.config.setting["acoustid_apikey"]:
                QtGui.QMessageBox.warning(self,
                    _(u"Submission Error"),
                    _(u"You need to configure your AcoustID API key before you can submit fingerprints."))
            else:
                self.tagger.acoustidmanager.submit()

    def create_actions(self):
        self.options_action = QtGui.QAction(icontheme.lookup('preferences-desktop'), _("&Options..."), self)
        self.options_action.setMenuRole(QtGui.QAction.PreferencesRole)
        self.options_action.triggered.connect(self.show_options)

        self.cut_action = QtGui.QAction(icontheme.lookup('edit-cut', icontheme.ICON_SIZE_MENU), _(u"&Cut"), self)
        self.cut_action.setShortcut(QtGui.QKeySequence.Cut)
        self.cut_action.setEnabled(False)
        self.cut_action.triggered.connect(self.cut)

        self.paste_action = QtGui.QAction(icontheme.lookup('edit-paste', icontheme.ICON_SIZE_MENU), _(u"&Paste"), self)
        self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
        self.paste_action.setEnabled(False)
        self.paste_action.triggered.connect(self.paste)

        self.help_action = QtGui.QAction(_("&Help..."), self)

        self.help_action.setShortcut(QtGui.QKeySequence.HelpContents)
        self.help_action.triggered.connect(self.show_help)

        self.about_action = QtGui.QAction(_("&About..."), self)
        self.about_action.setMenuRole(QtGui.QAction.AboutRole)
        self.about_action.triggered.connect(self.show_about)

        self.donate_action = QtGui.QAction(_("&Donate..."), self)
        self.donate_action.triggered.connect(self.open_donation_page)

        self.report_bug_action = QtGui.QAction(_("&Report a Bug..."), self)
        self.report_bug_action.triggered.connect(self.open_bug_report)

        self.support_forum_action = QtGui.QAction(_("&Support Forum..."), self)
        self.support_forum_action.triggered.connect(self.open_support_forum)

        self.add_files_action = QtGui.QAction(icontheme.lookup('document-open'), _(u"&Add Files..."), self)
        self.add_files_action.setStatusTip(_(u"Add files to the tagger"))
        # TR: Keyboard shortcut for "Add Files..."
        self.add_files_action.setShortcut(QtGui.QKeySequence.Open)
        self.add_files_action.triggered.connect(self.add_files)

        self.add_directory_action = QtGui.QAction(icontheme.lookup('folder'), _(u"A&dd Folder..."), self)
        self.add_directory_action.setStatusTip(_(u"Add a folder to the tagger"))
        # TR: Keyboard shortcut for "Add Directory..."
        self.add_directory_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+D")))
        self.add_directory_action.triggered.connect(self.add_directory)

        self.save_action = QtGui.QAction(icontheme.lookup('document-save'), _(u"&Save"), self)
        self.save_action.setStatusTip(_(u"Save selected files"))
        # TR: Keyboard shortcut for "Save"
        self.save_action.setShortcut(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.save)

        self.submit_action = QtGui.QAction(icontheme.lookup('picard-submit'), _(u"S&ubmit"), self)
        self.submit_action.setStatusTip(_(u"Submit fingerprints"))
        self.submit_action.setEnabled(False)
        self.submit_action.triggered.connect(self._on_submit)

        self.exit_action = QtGui.QAction(_(u"E&xit"), self)
        self.exit_action.setMenuRole(QtGui.QAction.QuitRole)
        # TR: Keyboard shortcut for "Exit"
        self.exit_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Q")))
        self.exit_action.triggered.connect(self.close)

        self.remove_action = QtGui.QAction(icontheme.lookup('list-remove'), _(u"&Remove"), self)
        self.remove_action.setStatusTip(_(u"Remove selected files/albums"))
        self.remove_action.setEnabled(False)
        self.remove_action.triggered.connect(self.remove)

        self.browser_lookup_action = QtGui.QAction(icontheme.lookup('lookup-musicbrainz'), _(u"Lookup in &Browser"), self)
        self.browser_lookup_action.setStatusTip(_(u"Lookup selected item on MusicBrainz website"))
        self.browser_lookup_action.setEnabled(False)
        self.browser_lookup_action.triggered.connect(self.browser_lookup)

        self.show_file_browser_action = QtGui.QAction(_(u"File &Browser"), self)
        self.show_file_browser_action.setCheckable(True)
        if self.config.persist["view_file_browser"]:
            self.show_file_browser_action.setChecked(True)
        self.show_file_browser_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+B")))
        self.show_file_browser_action.triggered.connect(self.show_file_browser)

        self.show_cover_art_action = QtGui.QAction(_(u"&Cover Art"), self)
        self.show_cover_art_action.setCheckable(True)
        if self.config.persist["view_cover_art"]:
            self.show_cover_art_action.setChecked(True)
        self.show_cover_art_action.triggered.connect(self.show_cover_art)

        self.search_action = QtGui.QAction(icontheme.lookup('system-search'), _(u"Search"), self)
        self.search_action.triggered.connect(self.search)

        self.cd_lookup_action = QtGui.QAction(icontheme.lookup('media-optical'), _(u"&CD Lookup..."), self)
        self.cd_lookup_action.setToolTip(_(u"Lookup CD"))
        self.cd_lookup_action.setStatusTip(_(u"Lookup CD"))
        # TR: Keyboard shortcut for "Lookup CD"
        self.cd_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))
        self.cd_lookup_action.triggered.connect(self.tagger.lookup_cd)

        self.analyze_action = QtGui.QAction(icontheme.lookup('picard-analyze'), _(u"&Scan"), self)
        self.analyze_action.setEnabled(False)
        # TR: Keyboard shortcut for "Analyze"
        self.analyze_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Y")))
        self.analyze_action.triggered.connect(self.analyze)

        self.cluster_action = QtGui.QAction(icontheme.lookup('picard-cluster'), _(u"Cl&uster"), self)
        self.cluster_action.setEnabled(False)
        # TR: Keyboard shortcut for "Cluster"
        self.cluster_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+U")))
        self.cluster_action.triggered.connect(self.cluster)

        self.autotag_action = QtGui.QAction(icontheme.lookup('picard-auto-tag'), _(u"&Lookup"), self)
        self.autotag_action.setToolTip(_(u"Lookup metadata"))
        self.autotag_action.setStatusTip(_(u"Lookup metadata"))
        self.autotag_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup"
        self.autotag_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+L")))
        self.autotag_action.triggered.connect(self.autotag)

        self.view_info_action = QtGui.QAction(icontheme.lookup('picard-edit-tags'), _(u"&Info..."), self)
        self.view_info_action.setEnabled(False)
        # TR: Keyboard shortcut for "Info"
        self.view_info_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+I")))
        self.view_info_action.triggered.connect(self.view_info)

        self.refresh_action = QtGui.QAction(icontheme.lookup('view-refresh', icontheme.ICON_SIZE_MENU), _("&Refresh"), self)
        self.refresh_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+R")))
        self.refresh_action.triggered.connect(self.refresh)

        self.enable_renaming_action = QtGui.QAction(_(u"&Rename Files"), self)
        self.enable_renaming_action.setCheckable(True)
        self.enable_renaming_action.setChecked(self.config.setting["rename_files"])
        self.enable_renaming_action.triggered.connect(self.toggle_rename_files)

        self.enable_moving_action = QtGui.QAction(_(u"&Move Files"), self)
        self.enable_moving_action.setCheckable(True)
        self.enable_moving_action.setChecked(self.config.setting["move_files"])
        self.enable_moving_action.triggered.connect(self.toggle_move_files)

        self.enable_tag_saving_action = QtGui.QAction(_(u"Save &Tags"), self)
        self.enable_tag_saving_action.setCheckable(True)
        self.enable_tag_saving_action.setChecked(not self.config.setting["dont_write_tags"])
        self.enable_tag_saving_action.triggered.connect(self.toggle_tag_saving)

        self.tags_from_filenames_action = QtGui.QAction(_(u"Tags From &File Names..."), self)
        self.tags_from_filenames_action.triggered.connect(self.open_tags_from_filenames)

        self.view_log_action = QtGui.QAction(_(u"View &Log..."), self)
        self.view_log_action.triggered.connect(self.show_log)

        xmlws_manager = self.tagger.xmlws.manager
        xmlws_manager.authenticationRequired.connect(self.show_password_dialog)
        xmlws_manager.proxyAuthenticationRequired.connect(self.show_proxy_dialog)

        self.open_file_action = QtGui.QAction(_(u"&Open..."), self)
        self.open_file_action.setStatusTip(_(u"Open the file"))
        self.open_file_action.triggered.connect(self.open_file)

        self.open_folder_action = QtGui.QAction(_(u"Open &Folder..."), self)
        self.open_folder_action.setStatusTip(_(u"Open the containing folder"))
        self.open_folder_action.triggered.connect(self.open_folder)

    def toggle_rename_files(self, checked):
        self.config.setting["rename_files"] = checked

    def toggle_move_files(self, checked):
        self.config.setting["move_files"] = checked

    def toggle_tag_saving(self, checked):
        self.config.setting["dont_write_tags"] = not checked

    def open_tags_from_filenames(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        if not files:
            files = self.tagger.unmatched_files.files
        if files:
            dialog = TagsFromFileNamesDialog(files, self)
            dialog.exec_()

    def create_menus(self):
        menu = self.menuBar().addMenu(_(u"&File"))
        menu.addAction(self.add_files_action)
        menu.addAction(self.add_directory_action)
        menu.addSeparator()
        menu.addAction(self.save_action)
        menu.addAction(self.submit_action)
        menu.addSeparator()
        menu.addAction(self.exit_action)
        menu = self.menuBar().addMenu(_(u"&Edit"))
        menu.addAction(self.cut_action)
        menu.addAction(self.paste_action)
        menu.addSeparator()
        menu.addAction(self.view_info_action)
        menu.addAction(self.remove_action)
        menu = self.menuBar().addMenu(_(u"&View"))
        menu.addAction(self.show_file_browser_action)
        menu.addAction(self.show_cover_art_action)
        menu.addSeparator()
        menu.addAction(self.toolbar.toggleViewAction())
        menu.addAction(self.search_toolbar.toggleViewAction())
        menu.addSeparator()
        menu.addAction(self.refresh_action)
        menu = self.menuBar().addMenu(_(u"&Options"))
        menu.addAction(self.enable_renaming_action)
        menu.addAction(self.enable_moving_action)
        menu.addAction(self.enable_tag_saving_action)
        menu.addSeparator()
        menu.addAction(self.options_action)
        menu = self.menuBar().addMenu(_(u"&Tools"))
        menu.addAction(self.cd_lookup_action)
        menu.addAction(self.autotag_action)
        menu.addAction(self.analyze_action)
        menu.addAction(self.cluster_action)
        menu.addAction(self.browser_lookup_action)
        menu.addSeparator()
        menu.addAction(self.tags_from_filenames_action)
        self.menuBar().addSeparator()
        menu = self.menuBar().addMenu(_(u"&Help"))
        menu.addAction(self.help_action)
        menu.addSeparator()
        menu.addAction(self.support_forum_action)
        menu.addAction(self.report_bug_action)
        menu.addAction(self.view_log_action)
        menu.addSeparator()
        menu.addAction(self.donate_action)
        menu.addAction(self.about_action)

    def update_toolbar_style(self):
        if self.config.setting["toolbar_show_labels"]:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        else:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        self.cd_lookup_action.setEnabled(len(get_cdrom_drives()) > 0)

    def create_toolbar(self):
        self.toolbar = toolbar = self.addToolBar(_(u"&Toolbar"))
        self.update_toolbar_style()
        toolbar.setObjectName("main_toolbar")
        toolbar.addAction(self.add_files_action)
        toolbar.addAction(self.add_directory_action)
        toolbar.addSeparator()
        toolbar.addAction(self.save_action)
        toolbar.addAction(self.submit_action)
        toolbar.addSeparator()

        toolbar.addAction(self.cd_lookup_action)
        drives = get_cdrom_drives()
        if len(drives) > 1:
            self.cd_lookup_menu = QtGui.QMenu()
            for drive in drives:
                self.cd_lookup_menu.addAction(drive)
            self.cd_lookup_menu.triggered.connect(self.tagger.lookup_cd)
            button = toolbar.widgetForAction(self.cd_lookup_action)
            button.setPopupMode(QtGui.QToolButton.MenuButtonPopup)
            button.setMenu(self.cd_lookup_menu)

        toolbar.addAction(self.cluster_action)
        toolbar.addAction(self.autotag_action)
        toolbar.addAction(self.analyze_action)
        toolbar.addAction(self.view_info_action)
        toolbar.addAction(self.remove_action)
        toolbar.addAction(self.browser_lookup_action)
        self.search_toolbar = toolbar = self.addToolBar(_(u"&Search Bar"))
        toolbar.setObjectName("search_toolbar")
        search_panel = QtGui.QWidget(toolbar)
        hbox = QtGui.QHBoxLayout(search_panel)
        self.search_combo = QtGui.QComboBox(search_panel)
        self.search_combo.addItem(_(u"Album"), QtCore.QVariant("album"))
        self.search_combo.addItem(_(u"Artist"), QtCore.QVariant("artist"))
        self.search_combo.addItem(_(u"Track"), QtCore.QVariant("track"))
        hbox.addWidget(self.search_combo, 0)
        self.search_edit = QtGui.QLineEdit(search_panel)
        self.search_edit.returnPressed.connect(self.search)
        hbox.addWidget(self.search_edit, 0)
        self.search_button = QtGui.QToolButton(search_panel)
        self.search_button.setAutoRaise(True)
        self.search_button.setDefaultAction(self.search_action)
        self.search_button.setIconSize(QtCore.QSize(22, 22))
        hbox.addWidget(self.search_button)
        toolbar.addWidget(search_panel)

    def enable_submit(self, enabled):
        """Enable/disable the 'Submit fingerprints' action."""
        self.submit_action.setEnabled(enabled)

    def enable_cluster(self, enabled):
        """Enable/disable the 'Cluster' action."""
        self.cluster_action.setEnabled(enabled)

    def search(self):
        """Search for album, artist or track on the MusicBrainz website."""
        text = unicode(self.search_edit.text())
        type = unicode(self.search_combo.itemData(
                       self.search_combo.currentIndex()).toString())
        self.tagger.search(text, type, self.config.setting["use_adv_search_syntax"])

    def add_files(self):
        """Add files to the tagger."""
        current_directory = self.config.persist["current_directory"] or QtCore.QDir.homePath()
        current_directory = find_existing_path(unicode(current_directory))
        formats = []
        extensions = []
        for exts, name in supported_formats():
            exts = ["*" + e for e in exts]
            formats.append("%s (%s)" % (name, " ".join(exts)))
            extensions.extend(exts)
        formats.sort()
        extensions.sort()
        formats.insert(0, _("All Supported Formats") + " (%s)" % " ".join(extensions))
        files = QtGui.QFileDialog.getOpenFileNames(self, "", current_directory, u";;".join(formats))
        if files:
            files = map(unicode, files)
            self.config.persist["current_directory"] = os.path.dirname(files[0])
            self.tagger.add_files(files)

    def add_directory(self):
        """Add directory to the tagger."""
        current_directory = self.config.persist["current_directory"] or QtCore.QDir.homePath()
        current_directory = find_existing_path(unicode(current_directory))

        dir_list = []
        if not self.config.setting["toolbar_multiselect"]:
            directory = QtGui.QFileDialog.getExistingDirectory(self, "", current_directory)
            if directory:
                dir_list.append(directory)
        else:
            # Use a custom file selection dialog to allow the selection of multiple directories
            file_dialog = QtGui.QFileDialog(self, "", current_directory)
            file_dialog.setFileMode(QtGui.QFileDialog.DirectoryOnly)
            if sys.platform == "darwin": # The native dialog doesn't allow selecting >1 directory
                file_dialog.setOption(QtGui.QFileDialog.DontUseNativeDialog)
            tree_view = file_dialog.findChild(QtGui.QTreeView)
            tree_view.setSelectionMode(QtGui.QAbstractItemView.ExtendedSelection)
            list_view = file_dialog.findChild(QtGui.QListView, "listView")
            list_view.setSelectionMode(QtGui.QAbstractItemView.ExtendedSelection)

            if file_dialog.exec_() == QtGui.QDialog.Accepted:
                dir_list = file_dialog.selectedFiles()

        if len(dir_list) == 1:
            self.config.persist["current_directory"] = dir_list[0]
        elif len(dir_list) > 1:
            (parent, dir) = os.path.split(str(dir_list[0]))
            self.config.persist["current_directory"] = parent

        for directory in dir_list:
            directory = unicode(directory)
            self.tagger.add_directory(directory)

    def show_about(self):
        self.show_options("about")

    def show_options(self, page=None):
        dialog = OptionsDialog(page, self)
        dialog.exec_()

    def show_help(self):
        webbrowser2.open("http://musicbrainz.org/doc/Picard_Documentation")

    def show_log(self):
        from picard.ui.logview import LogView
        w = LogView(self)
        w.show()

    def confirm_va_removal(self):
        return QtGui.QMessageBox.question(self,
                _("Various Artists file naming scheme removal"),
_("""The separate file naming scheme for various artists albums has been
removed in this version of Picard. You currently do not use the this option,
but have a separate file naming scheme defined. Do you want to remove it or
merge it with your file naming scheme for single artist albums?"""),
            _("Merge"), _("Remove"))

    def show_va_removal_notice(self):
        QtGui.QMessageBox.information(self,
            _("Various Artists file naming scheme removal"),
_("""The separate file naming scheme for various artists albums has been
removed in this version of Picard. Your file naming scheme has automatically
been merged with that of single artist albums."""),
            QtGui.QMessageBox.Ok)


    def open_bug_report(self):
        webbrowser2.open("http://musicbrainz.org/doc/Picard_Troubleshooting")

    def open_support_forum(self):
        webbrowser2.open("http://forums.musicbrainz.org/viewforum.php?id=2")

    def open_donation_page(self):
        webbrowser2.open('http://metabrainz.org/donate')

    def save(self):
        """Tell the tagger to save the selected objects."""
        self.tagger.save(self.selected_objects)

    def remove(self):
        """Tell the tagger to remove the selected objects."""
        self.panel.remove(self.selected_objects)

    def analyze(self):
        if not self.config.setting['fingerprinting_system']:
            if self.show_analyze_settings_info():
                self.show_options("fingerprinting")
            if not self.config.setting['fingerprinting_system']:
                return
        return self.tagger.analyze(self.selected_objects)

    def open_file(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(file.filename)
            QtGui.QDesktopServices.openUrl(url)

    def open_folder(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(os.path.dirname(file.filename))
            QtGui.QDesktopServices.openUrl(url)

    def show_analyze_settings_info(self):
        ret = QtGui.QMessageBox.question(self,
            _(u"Configuration Required"),
            _(u"Audio fingerprinting is not yet configured. Would you like to configure it now?"),
            QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
            QtGui.QMessageBox.Yes)
        return ret == QtGui.QMessageBox.Yes

    def view_info(self):
        if isinstance(self.selected_objects[0], Album):
            album = self.selected_objects[0]
            dialog = AlbumInfoDialog(album, self)
        else:
            file = self.tagger.get_files_from_objects(self.selected_objects)[0]
            dialog = FileInfoDialog(file, self)
        dialog.exec_()

    def cluster(self):
        self.tagger.cluster(self.selected_objects)

    def refresh(self):
        self.tagger.refresh(self.selected_objects)

    def browser_lookup(self):
        self.tagger.browser_lookup(self.selected_objects[0])

    def update_actions(self):
        can_remove = False
        can_save = False
        can_analyze = False
        can_refresh = False
        can_autotag = False
        single = self.selected_objects[0] if len(self.selected_objects) == 1 else None
        can_view_info = bool(single and single.can_view_info())
        can_browser_lookup = bool(single and single.can_browser_lookup())
        for obj in self.selected_objects:
            if obj is None:
                continue
            if obj.can_analyze():
                can_analyze = True
            if obj.can_save():
                can_save = True
            if obj.can_remove():
                can_remove = True
            if obj.can_refresh():
                can_refresh = True
            if obj.can_autotag():
                can_autotag = True
            if can_save and can_remove and can_refresh and can_autotag:
                break
        self.remove_action.setEnabled(can_remove)
        self.save_action.setEnabled(can_save)
        self.view_info_action.setEnabled(can_view_info)
        self.analyze_action.setEnabled(can_analyze)
        self.refresh_action.setEnabled(can_refresh)
        self.autotag_action.setEnabled(can_autotag)
        self.browser_lookup_action.setEnabled(can_browser_lookup)
        self.cut_action.setEnabled(bool(self.selected_objects))

    def update_selection(self, objects=None):
        if self.ignore_selection_changes:
            return

        if objects is not None:
            self.selected_objects = objects
        else:
            objects = self.selected_objects

        self.update_actions()

        metadata = None
        statusbar = u""
        obj = None

        if len(objects) == 1:
            obj = list(objects)[0]
            if isinstance(obj, File):
                metadata = obj.metadata
                statusbar = obj.filename
                if obj.state == obj.ERROR:
                    statusbar += _(" (Error: %s)") % obj.error
            elif isinstance(obj, Track):
                metadata = obj.metadata
                if obj.num_linked_files == 1:
                    file = obj.linked_files[0]
                    statusbar = "%s (%d%%)" % (file.filename, file.similarity * 100)
                    if file.state == File.ERROR:
                        statusbar += _(" (Error: %s)") % file.error
            elif obj.can_edit_tags():
                metadata = obj.metadata

        self.metadata_box.update_selection()
        self.metadata_box.update()
        self.cover_art_box.set_metadata(metadata, obj)
        self.set_statusbar_message(statusbar)

    def show_cover_art(self):
        """Show/hide the cover art box."""
        if self.show_cover_art_action.isChecked():
            self.cover_art_box.show()
            self.metadata_box.shrink_columns()
        else:
            self.cover_art_box.hide()

    def show_file_browser(self):
        """Show/hide the file browser."""
        if self.show_file_browser_action.isChecked():
            sizes = self.panel.sizes()
            if sizes[0] == 0:
                sizes[0] = sum(sizes) / 4
                self.panel.setSizes(sizes)
            self.file_browser.show()
        else:
            self.file_browser.hide()

    def show_password_dialog(self, reply, authenticator):
        dialog = PasswordDialog(authenticator, reply, parent=self)
        dialog.exec_()

    def show_proxy_dialog(self, proxy, authenticator):
        dialog = ProxyDialog(authenticator, proxy, parent=self)
        dialog.exec_()

    def autotag(self):
        self.tagger.autotag(self.selected_objects)

    def cut(self):
        self._clipboard = self.selected_objects
        self.paste_action.setEnabled(bool(self._clipboard))

    def paste(self):
        selected_objects = self.selected_objects
        if not selected_objects:
            target = self.tagger.unmatched_files
        else:
            target = selected_objects[0]
        self.tagger.move_files(self.tagger.get_files_from_objects(self._clipboard), target)
        self._clipboard = []
        self.paste_action.setEnabled(False)
Esempio n. 4
0
class MainWindow(QtGui.QMainWindow):

    options = [
        Option("persist", "window_state", QtCore.QByteArray(),
               QtCore.QVariant.toByteArray),
        Option("persist", "window_position", QtCore.QPoint(),
               QtCore.QVariant.toPoint),
        Option("persist", "window_size", QtCore.QSize(780, 560),
               QtCore.QVariant.toSize),
        BoolOption("persist", "window_maximized", False),
        BoolOption("persist", "view_cover_art", False),
        BoolOption("persist", "view_file_browser", False),
        TextOption("persist", "current_directory", ""),
    ]

    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent)
        self.selected_objects = []
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(_("MusicBrainz Picard"))
        icon = QtGui.QIcon()
        icon.addFile(":/images/16x16/picard.png", QtCore.QSize(16, 16))
        icon.addFile(":/images/24x24/picard.png", QtCore.QSize(24, 24))
        icon.addFile(":/images/32x32/picard.png", QtCore.QSize(32, 32))
        icon.addFile(":/images/48x48/picard.png", QtCore.QSize(48, 48))
        icon.addFile(":/images/128x128/picard.png", QtCore.QSize(128, 128))
        icon.addFile(":/images/256x256/picard.png", QtCore.QSize(256, 256))
        self.setWindowIcon(icon)

        self.create_actions()
        self.create_statusbar()
        self.create_toolbar()
        self.create_menus()

        centralWidget = QtGui.QWidget(self)
        self.setCentralWidget(centralWidget)

        self.panel = MainPanel(self, centralWidget)
        self.file_browser = FileBrowser(self.panel)
        if not self.show_file_browser_action.isChecked():
            self.file_browser.hide()
        self.panel.insertWidget(0, self.file_browser)
        self.panel.restore_state()

        self.orig_metadata_box = MetadataBox(self, _("Original Metadata"), True)
        self.orig_metadata_box.disable()
        self.metadata_box = MetadataBox(self, _("New Metadata"), False)
        self.metadata_box.disable()

        self.cover_art_box = CoverArtBox(self)
        if not self.show_cover_art_action.isChecked():
            self.cover_art_box.hide()

        bottomLayout = QtGui.QHBoxLayout()
        bottomLayout.addWidget(self.orig_metadata_box, 1)
        bottomLayout.addWidget(self.metadata_box, 1)
        bottomLayout.addWidget(self.cover_art_box, 0)

        mainLayout = QtGui.QVBoxLayout()
        mainLayout.addWidget(self.panel, 1)
        mainLayout.addLayout(bottomLayout, 0)

        centralWidget.setLayout(mainLayout)

        # FIXME: use QApplication's clipboard
        self._clipboard = []

        for function in ui_init:
            function(self)

        self.restoreWindowState()

    def closeEvent(self, event):
        self.saveWindowState()
        event.accept()

    def saveWindowState(self):
        self.config.persist["window_state"] = self.saveState()
        isMaximized = int(self.windowState()) & QtCore.Qt.WindowMaximized != 0
        if isMaximized:
            # FIXME: this doesn't include the window frame
            geom = self.normalGeometry()
            self.config.persist["window_position"] = geom.topLeft()
            self.config.persist["window_size"] = geom.size()
        else:
            pos = self.pos()
            if not pos.isNull():
                self.config.persist["window_position"] = pos
            self.config.persist["window_size"] = self.size()
        self.config.persist["window_maximized"] = isMaximized
        self.config.persist["view_cover_art"] = self.show_cover_art_action.isChecked()
        self.config.persist["view_file_browser"] = self.show_file_browser_action.isChecked()
        self.file_browser.save_state()
        self.panel.save_state()

    def restoreWindowState(self):
        self.restoreState(self.config.persist["window_state"])
        pos = self.config.persist["window_position"]
        size = self.config.persist["window_size"]
        self._desktopgeo = self.tagger.desktop().screenGeometry()
        if pos.x() > 0 and pos.y() > 0 and pos.x()+size.width() < self._desktopgeo.width() and pos.y()+size.height() < self._desktopgeo.height():
            self.move(pos)
        if size.width() <= 0 or size.height() <= 0:
            size = QtCore.QSize(780, 560)
        self.resize(size)
        if self.config.persist["window_maximized"]:
            self.setWindowState(QtCore.Qt.WindowMaximized)
        self.file_browser.restore_state()

    def create_statusbar(self):
        """Creates a new status bar."""
        self.statusBar().showMessage("Ready")
        self.file_counts_label = QtGui.QLabel()
        self.statusBar().addPermanentWidget(self.file_counts_label)
        self.connect(self.tagger, QtCore.SIGNAL("file_state_changed"), self.update_statusbar)
        self.update_statusbar(0)

    def update_statusbar(self, num_pending_files):
        """Updates the status bar information."""
        self.file_counts_label.setText(_(" Files: %(files)d, Pending Files: %(pending)d ")
            % {"files": self.tagger.num_files(), "pending": num_pending_files})

    def set_statusbar_message(self, message, *args, **kwargs):
        """Set the status bar message."""
        try:
            if message:
                self.log.debug(repr(message.replace('%%s', '%%r')), *args)
        except:
            pass
        self.tagger.thread_pool.call_from_thread(
            self._set_statusbar_message, message, *args, **kwargs)

    def _set_statusbar_message(self, message, *args, **kwargs):
        if message:
            if args:
                message = _(message) % args
            else:
                message = _(message)
        self.statusBar().showMessage(message, kwargs.get('timeout', 0))

    def clear_statusbar_message(self):
        """Set the status bar message."""
        self.statusBar().clearMessage()

    def create_actions(self):

        self.options_action = QtGui.QAction(icontheme.lookup('preferences-desktop'), _("&Options..."), self)
        self.connect(self.options_action, QtCore.SIGNAL("triggered()"), self.show_options)

        self.cut_action = QtGui.QAction(icontheme.lookup('edit-cut', icontheme.ICON_SIZE_MENU), _(u"&Cut"), self)
        self.cut_action.setShortcut(QtGui.QKeySequence.Cut)
        self.cut_action.setEnabled(False)
        self.connect(self.cut_action, QtCore.SIGNAL("triggered()"), self.cut)

        self.paste_action = QtGui.QAction(icontheme.lookup('edit-paste', icontheme.ICON_SIZE_MENU), _(u"&Paste"), self)
        self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
        self.paste_action.setEnabled(False)
        self.connect(self.paste_action, QtCore.SIGNAL("triggered()"), self.paste)

        self.help_action = QtGui.QAction(_("&Help..."), self)

        self.help_action.setShortcut(QtGui.QKeySequence.HelpContents)
        self.connect(self.help_action, QtCore.SIGNAL("triggered()"), self.show_help)

        self.about_action = QtGui.QAction(_("&About..."), self)
        self.connect(self.about_action, QtCore.SIGNAL("triggered()"), self.show_about)

        self.donate_action = QtGui.QAction(_("&Donate..."), self)
        self.connect(self.donate_action, QtCore.SIGNAL("triggered()"), self.open_donation_page)

        self.report_bug_action = QtGui.QAction(_("&Report a Bug..."), self)
        self.connect(self.report_bug_action, QtCore.SIGNAL("triggered()"), self.open_bug_report)

        self.support_forum_action = QtGui.QAction(_("&Support Forum..."), self)
        self.connect(self.support_forum_action, QtCore.SIGNAL("triggered()"), self.open_support_forum)

        self.add_files_action = QtGui.QAction(icontheme.lookup('document-open'), _(u"&Add Files..."), self)
        self.add_files_action.setStatusTip(_(u"Add files to the tagger"))
        # TR: Keyboard shortcut for "Add Files..."
        self.add_files_action.setShortcut(QtGui.QKeySequence.Open)
        self.connect(self.add_files_action, QtCore.SIGNAL("triggered()"), self.add_files)

        self.add_directory_action = QtGui.QAction(icontheme.lookup('folder'), _(u"A&dd Folder..."), self)
        self.add_directory_action.setStatusTip(_(u"Add a folder to the tagger"))
        # TR: Keyboard shortcut for "Add Directory..."
        self.add_directory_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+D")))
        self.connect(self.add_directory_action, QtCore.SIGNAL("triggered()"),
                     self.add_directory)

        self.save_action = QtGui.QAction(icontheme.lookup('document-save'), _(u"&Save"), self)
        self.save_action.setStatusTip(_(u"Save selected files"))
        # TR: Keyboard shortcut for "Save"
        self.save_action.setShortcut(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.connect(self.save_action, QtCore.SIGNAL("triggered()"), self.save)

        self.submit_action = QtGui.QAction(icontheme.lookup('picard-submit'), _(u"S&ubmit PUIDs"), self)
        self.submit_action.setStatusTip(_(u"Submit PUIDs to MusicBrainz"))
        self.submit_action.setEnabled(False)
        self.connect(self.submit_action, QtCore.SIGNAL("triggered()"), self.tagger.puidmanager.submit)

        self.exit_action = QtGui.QAction(_(u"E&xit"), self)
        # TR: Keyboard shortcut for "Exit"
        self.exit_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Q")))
        self.connect(self.exit_action, QtCore.SIGNAL("triggered()"), self.close)

        self.remove_action = QtGui.QAction(icontheme.lookup('list-remove'), _(u"&Remove"), self)
        self.remove_action.setStatusTip(_(u"Remove selected files/albums"))
        self.remove_action.setShortcut(QtGui.QKeySequence.Delete)
        self.remove_action.setEnabled(False)
        self.connect(self.remove_action, QtCore.SIGNAL("triggered()"), self.remove)

        self.show_file_browser_action = QtGui.QAction(_(u"File &Browser"), self)
        self.show_file_browser_action.setCheckable(True)
        if self.config.persist["view_file_browser"]:
            self.show_file_browser_action.setChecked(True)
        self.show_file_browser_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+B")))
        self.connect(self.show_file_browser_action, QtCore.SIGNAL("triggered()"), self.show_file_browser)

        self.show_cover_art_action = QtGui.QAction(_(u"&Cover Art"), self)
        self.show_cover_art_action.setCheckable(True)
        if self.config.persist["view_cover_art"]:
            self.show_cover_art_action.setChecked(True)
        self.connect(self.show_cover_art_action, QtCore.SIGNAL("triggered()"), self.show_cover_art)

        self.search_action = QtGui.QAction(icontheme.lookup('system-search'), _(u"Search"), self)
        self.connect(self.search_action, QtCore.SIGNAL("triggered()"), self.search)

        self.cd_lookup_action = QtGui.QAction(icontheme.lookup('media-optical'), _(u"&CD Lookup..."), self)
        self.cd_lookup_action.setToolTip(_(u"Lookup CD"))
        self.cd_lookup_action.setStatusTip(_(u"Lookup CD"))
        # TR: Keyboard shortcut for "Lookup CD"
        self.cd_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))
        self.connect(self.cd_lookup_action, QtCore.SIGNAL("triggered()"), self.tagger.lookup_cd)

        self.analyze_action = QtGui.QAction(icontheme.lookup('picard-analyze'), _(u"&Scan"), self)
        self.analyze_action.setEnabled(False)
        # TR: Keyboard shortcut for "Analyze"
        self.analyze_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Y")))
        self.connect(self.analyze_action, QtCore.SIGNAL("triggered()"), self.analyze)

        self.cluster_action = QtGui.QAction(icontheme.lookup('picard-cluster'), _(u"Cl&uster"), self)
        self.cluster_action.setEnabled(False)
        # TR: Keyboard shortcut for "Cluster"
        self.cluster_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+U")))
        self.connect(self.cluster_action, QtCore.SIGNAL("triggered()"), self.cluster)

        self.autotag_action = QtGui.QAction(icontheme.lookup('picard-auto-tag'), _(u"&Lookup"), self)
        self.autotag_action.setToolTip(_(u"Lookup metadata"))
        self.autotag_action.setStatusTip(_(u"Lookup metadata"))
        self.autotag_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup"
        self.autotag_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+L")))
        self.connect(self.autotag_action, QtCore.SIGNAL("triggered()"), self.autotag)

        self.edit_tags_action = QtGui.QAction(icontheme.lookup('picard-edit-tags'), _(u"&Details..."), self)
        self.edit_tags_action.setEnabled(False)
        # TR: Keyboard shortcut for "Details"
        self.edit_tags_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+I")))
        self.connect(self.edit_tags_action, QtCore.SIGNAL("triggered()"), self.edit_tags)

        self.refresh_action = QtGui.QAction(icontheme.lookup('view-refresh', icontheme.ICON_SIZE_MENU), _("&Refresh"), self)
        self.connect(self.refresh_action, QtCore.SIGNAL("triggered()"), self.refresh)

        self.generate_playlist_action = QtGui.QAction(_("Generate &Playlist..."), self)
        self.connect(self.generate_playlist_action, QtCore.SIGNAL("triggered()"), self.generate_playlist)

        self.enable_renaming_action = QtGui.QAction(_(u"&Rename Files"), self)
        self.enable_renaming_action.setCheckable(True)
        self.enable_renaming_action.setChecked(self.config.setting["rename_files"])
        self.connect(self.enable_renaming_action, QtCore.SIGNAL("triggered(bool)"), self.toggle_rename_files)

        self.enable_moving_action = QtGui.QAction(_(u"&Move Files"), self)
        self.enable_moving_action.setCheckable(True)
        self.enable_moving_action.setChecked(self.config.setting["move_files"])
        self.connect(self.enable_moving_action, QtCore.SIGNAL("triggered(bool)"), self.toggle_move_files)

        self.enable_tag_saving_action = QtGui.QAction(_(u"Save &Tags"), self)
        self.enable_tag_saving_action.setCheckable(True)
        self.enable_tag_saving_action.setChecked(not self.config.setting["dont_write_tags"])
        self.connect(self.enable_tag_saving_action, QtCore.SIGNAL("triggered(bool)"), self.toggle_tag_saving)

        self.tags_from_filenames_action = QtGui.QAction(_(u"Tags From &File Names..."), self)
        self.connect(self.tags_from_filenames_action, QtCore.SIGNAL("triggered()"), self.open_tags_from_filenames)

        self.view_log_action = QtGui.QAction(_(u"View &Log..."), self)
        self.connect(self.view_log_action, QtCore.SIGNAL("triggered()"), self.show_log)

        self.connect(self.tagger.xmlws, QtCore.SIGNAL("authentication_required"), self.show_password_dialog)
        self.connect(self.tagger.xmlws, QtCore.SIGNAL("proxyAuthentication_required"), self.show_proxy_dialog)

    def toggle_rename_files(self, checked):
        self.config.setting["rename_files"] = checked

    def toggle_move_files(self, checked):
        self.config.setting["move_files"] = checked

    def toggle_tag_saving(self, checked):
        self.config.setting["dont_write_tags"] = not checked

    def open_tags_from_filenames(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        if not files:
            files = self.tagger.unmatched_files.files
        if files:
            dialog = TagsFromFileNamesDialog(files, self)
            dialog.exec_()

    def create_menus(self):
        menu = self.menuBar().addMenu(_(u"&File"))
        menu.addAction(self.add_files_action)
        menu.addAction(self.add_directory_action)
        menu.addSeparator()
        menu.addAction(self.save_action)
        menu.addAction(self.submit_action)
        menu.addSeparator()
        menu.addAction(self.exit_action)
        menu = self.menuBar().addMenu(_(u"&Edit"))
        menu.addAction(self.cut_action)
        menu.addAction(self.paste_action)
        menu.addSeparator()
        menu.addAction(self.edit_tags_action)
        menu.addAction(self.remove_action)
        menu = self.menuBar().addMenu(_(u"&View"))
        menu.addAction(self.show_file_browser_action)
        menu.addAction(self.show_cover_art_action)
        menu.addSeparator()
        menu.addAction(self.toolbar.toggleViewAction())
        menu.addAction(self.search_toolbar.toggleViewAction())
        menu = self.menuBar().addMenu(_(u"&Options"))
        menu.addAction(self.enable_renaming_action)
        menu.addAction(self.enable_moving_action)
        menu.addAction(self.enable_tag_saving_action)
        menu.addSeparator()
        menu.addAction(self.options_action)
        menu = self.menuBar().addMenu(_(u"&Tools"))
        menu.addAction(self.cd_lookup_action)
        menu.addAction(self.autotag_action)
        menu.addAction(self.analyze_action)
        menu.addAction(self.cluster_action)
        menu.addSeparator()
        #menu.addAction(self.generate_playlist_action)
        menu.addAction(self.tags_from_filenames_action)
        self.menuBar().addSeparator()
        menu = self.menuBar().addMenu(_(u"&Help"))
        menu.addAction(self.help_action)
        menu.addSeparator()
        menu.addAction(self.support_forum_action)
        menu.addAction(self.report_bug_action)
        menu.addAction(self.view_log_action)
        menu.addSeparator()
        menu.addAction(self.donate_action)
        menu.addAction(self.about_action)

    def update_toolbar_style(self):
        if self.config.setting["toolbar_show_labels"]:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        else:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        self.cd_lookup_action.setEnabled(len(get_cdrom_drives()) > 0)

    def create_toolbar(self):
        self.toolbar = toolbar = self.addToolBar(_(u"&Toolbar"))
        self.update_toolbar_style()
        toolbar.setObjectName("main_toolbar")
        toolbar.addAction(self.add_files_action)
        toolbar.addAction(self.add_directory_action)
        toolbar.addSeparator()
        toolbar.addAction(self.save_action)
        toolbar.addAction(self.submit_action)
        toolbar.addSeparator()

        toolbar.addAction(self.cd_lookup_action)
        drives = get_cdrom_drives()
        if len(drives) > 1:
            self.cd_lookup_menu = QtGui.QMenu()
            for drive in drives:
                self.cd_lookup_menu.addAction(drive)
            self.connect(self.cd_lookup_menu, QtCore.SIGNAL("triggered(QAction*)"), self.tagger.lookup_cd)
            button = toolbar.widgetForAction(self.cd_lookup_action)
            button.setPopupMode(QtGui.QToolButton.MenuButtonPopup)
            button.setMenu(self.cd_lookup_menu)

        toolbar.addAction(self.cluster_action)
        toolbar.addAction(self.autotag_action)
        toolbar.addAction(self.analyze_action)
        toolbar.addAction(self.edit_tags_action)
        toolbar.addAction(self.remove_action)
        self.search_toolbar = toolbar = self.addToolBar(_(u"&Search Bar"))
        toolbar.setObjectName("search_toolbar")
        search_panel = QtGui.QWidget(toolbar)
        hbox = QtGui.QHBoxLayout(search_panel)
        self.search_combo = QtGui.QComboBox(search_panel)
        self.search_combo.addItem(_(u"Album"), QtCore.QVariant("album"))
        self.search_combo.addItem(_(u"Artist"), QtCore.QVariant("artist"))
        self.search_combo.addItem(_(u"Track"), QtCore.QVariant("track"))
        hbox.addWidget(self.search_combo, 0)
        self.search_edit = QtGui.QLineEdit(search_panel)
        self.connect(self.search_edit, QtCore.SIGNAL("returnPressed()"), self.search)
        hbox.addWidget(self.search_edit, 0)
        self.search_button = QtGui.QToolButton(search_panel)
        self.search_button.setAutoRaise(True)
        self.search_button.setDefaultAction(self.search_action)
        self.search_button.setIconSize(QtCore.QSize(22, 22))
        hbox.addWidget(self.search_button)
        toolbar.addWidget(search_panel)

    def enable_submit(self, enabled):
        """Enable/disable the 'Submit PUIDs' action."""
        self.submit_action.setEnabled(enabled)

    def enable_cluster(self, enabled):
        """Enable/disable the 'Cluster' action."""
        self.cluster_action.setEnabled(enabled)

    def search(self):
        """Search for album, artist or track on the MusicBrainz website."""
        text = unicode(self.search_edit.text())
        type = unicode(self.search_combo.itemData(
                       self.search_combo.currentIndex()).toString())
        self.tagger.search(text, type, self.config.setting["use_adv_search_syntax"])

    def add_files(self):
        """Add files to the tagger."""
        current_directory = self.config.persist["current_directory"] or QtCore.QDir.homePath()
        current_directory = find_existing_path(unicode(current_directory))
        formats = []
        extensions = []
        for exts, name in supported_formats():
            exts = ["*" + e for e in exts]
            formats.append("%s (%s)" % (name, " ".join(exts)))
            extensions.extend(exts)
        formats.sort()
        extensions.sort()
        formats.insert(0, _("All Supported Formats") + " (%s)" % " ".join(extensions))
        files = QtGui.QFileDialog.getOpenFileNames(self, "", current_directory, u";;".join(formats))
        if files:
            files = map(unicode, files)
            self.config.persist["current_directory"] = os.path.dirname(files[0])
            self.tagger.add_files(files)

    def add_directory(self):
        """Add directory to the tagger."""
        current_directory = self.config.persist["current_directory"] or QtCore.QDir.homePath()
        current_directory = find_existing_path(unicode(current_directory))

        dir_list = []
        if not self.config.setting["toolbar_multiselect"]:
            directory = QtGui.QFileDialog.getExistingDirectory(self, "", current_directory)
            if directory:
                dir_list.append(directory)
        else:
            # Use a custom file selection dialog to allow the selection of multiple directories
            file_dialog = QtGui.QFileDialog(self, "", current_directory)
            file_dialog.setFileMode(QtGui.QFileDialog.DirectoryOnly)
            tree_view = file_dialog.findChild(QtGui.QTreeView)
            tree_view.setSelectionMode(QtGui.QAbstractItemView.ExtendedSelection)
            list_view = file_dialog.findChild(QtGui.QListView, "listView")
            list_view.setSelectionMode(QtGui.QAbstractItemView.ExtendedSelection)

            if file_dialog.exec_() == QtGui.QDialog.Accepted:
                dir_list = file_dialog.selectedFiles()

        if len(dir_list) == 1:
            self.config.persist["current_directory"] = dir_list[0]
        elif len(dir_list) > 1:
            (parent, dir) = os.path.split(str(dir_list[0]))
            self.config.persist["current_directory"] = parent

        for directory in dir_list:
            directory = unicode(directory)
            self.tagger.add_directory(directory)

    def generate_playlist(self):
        """Generate a playlist."""
        from picard.playlist import Playlist
        currentDirectory = self.config.persist["current_directory"]
        formats = [_(f[0]) for f in Playlist.formats]
        selected_format = QtCore.QString()
        filename = QtGui.QFileDialog.getSaveFileName(self, "", currentDirectory, ";;".join(formats), selected_format)
        if filename:
            filename = unicode(filename)
            self.config.persist["current_directory"] = os.path.dirname(filename)
            self.set_statusbar_message(_("Saving playlist %s...") % filename)
            playlist = Playlist(self.selected_objects[0])
            playlist.save(filename, formats.index(unicode(selected_format)))
            self.set_statusbar_message(_("Playlist %s saved") % filename, 1000)

    def show_about(self):
        self.show_options("about")

    def show_options(self, page=None):
        dialog = OptionsDialog(page, self)
        dialog.exec_()

    def show_help(self):
        webbrowser2.open("http://musicbrainz.org/doc/Picard_Documentation")

    def show_log(self):
        from picard.ui.logview import LogView
        w = LogView(self)
        w.show()

    def open_bug_report(self):
        webbrowser2.open("http://musicbrainz.org/doc/Picard_Troubleshooting")

    def open_support_forum(self):
        webbrowser2.open("http://forums.musicbrainz.org/viewforum.php?id=2")

    def open_donation_page(self):
        webbrowser2.open('http://metabrainz.org/donate/index.html')

    def save(self):
        """Tell the tagger to save the selected objects."""
        self.tagger.save(self.panel.selected_objects())

    def remove(self):
        """Tell the tagger to remove the selected objects."""
        self.tagger.remove(self.panel.selected_objects())

    def analyze(self):
        self.tagger.analyze(self.panel.selected_objects())

    def edit_tags(self, objs=None):
        if not objs:
            objs = self.selected_objects
        objs = self.tagger.get_files_from_objects(objs)
        dialog = TagEditor(objs, self)
        dialog.exec_()

    def cluster(self):
        self.tagger.cluster(self.panel.selected_objects())

    def refresh(self):
        self.tagger.refresh(self.panel.selected_objects())

    def update_actions(self):
        can_remove = False
        can_save = False
        can_edit_tags = False
        can_analyze = False
        can_refresh = False
        can_autotag = False
        for obj in self.selected_objects:
            if picard.musicdns.ofa and obj.can_analyze():
                can_analyze = True
            if obj.can_save():
                can_save = True
            if obj.can_remove():
                can_remove = True
            if obj.can_edit_tags():
                can_edit_tags = True
            if obj.can_refresh():
                can_refresh = True
            if obj.can_autotag():
                can_autotag = True
            if can_save and can_remove and can_edit_tags and can_refresh \
                    and can_autotag:
                break
        self.remove_action.setEnabled(can_remove)
        self.save_action.setEnabled(can_save)
        self.edit_tags_action.setEnabled(can_edit_tags)
        self.analyze_action.setEnabled(can_analyze)
        self.refresh_action.setEnabled(can_refresh)
        self.autotag_action.setEnabled(can_autotag)
        self.cut_action.setEnabled(bool(self.selected_objects))

    def updateSelection(self, objects=None):
        if objects is not None:
            self.selected_objects = objects
        else:
            objects = self.selected_objects

        self.update_actions()

        orig_metadata = None
        metadata = None
        is_album = False
        statusBar = u""
        file = None
        if len(objects) == 1:
            obj = objects[0]
            if isinstance(obj, File):
                orig_metadata = obj.orig_metadata
                metadata = obj.metadata
                statusBar = obj.filename
                if obj.state == obj.ERROR:
                    statusBar += _(" (Error: %s)") % obj.error
                file = obj
            elif isinstance(obj, Track):
                if obj.num_linked_files == 1:
                    file = obj.linked_files[0]
                    orig_metadata = file.orig_metadata
                    metadata = file.metadata
                    statusBar = "%s (%d%%)" % (file.filename, file.similarity * 100)
                    if file.state == file.ERROR:
                        statusBar += _(" (Error: %s)") % file.error
                elif obj.num_linked_files == 0:
                    metadata = obj.metadata
                else:
                    metadata = obj.metadata
                    #Show dup zaper
            elif isinstance(obj, Cluster):
                orig_metadata = obj.metadata
                is_album = True
            elif isinstance(obj, Album):
                metadata = obj.metadata
                is_album = True

        self.orig_metadata_box.set_metadata(orig_metadata, is_album)
        self.metadata_box.set_metadata(metadata, is_album, file=file)
        self.cover_art_box.set_metadata(metadata)
        self.set_statusbar_message(statusBar)

    def show_cover_art(self):
        """Show/hide the cover art box."""
        if self.show_cover_art_action.isChecked():
            self.cover_art_box.show()
        else:
            self.cover_art_box.hide()

    def show_file_browser(self):
        """Show/hide the file browser."""
        if self.show_file_browser_action.isChecked():
            sizes = self.panel.sizes()
            if sizes[0] == 0:
                sizes[0] = sum(sizes) / 4
                self.panel.setSizes(sizes)
            self.file_browser.show()
        else:
            self.file_browser.hide()

    def show_password_dialog(self, reply, authenticator):
        dialog = PasswordDialog(authenticator, reply, parent=self)
        dialog.exec_()

    def show_proxy_dialog(self, proxy, authenticator):
        dialog = ProxyDialog(authenticator, proxy, parent=self)
        dialog.exec_()

    def autotag(self):
        self.tagger.autotag(self.panel.selected_objects())

    def cut(self):
        self._clipboard = self.panel.selected_objects()
        self.paste_action.setEnabled(bool(self._clipboard))

    def paste(self):
        selected_objects = self.panel.selected_objects()
        if not selected_objects:
            target = self.tagger.unmatched_files
        else:
            target = selected_objects[0]
        self.panel.views[0].drop_files(self.tagger.get_files_from_objects(self._clipboard), target)
        self._clipboard = []
        self.paste_action.setEnabled(False)
Esempio n. 5
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class MainWindow(QtWidgets.QMainWindow, PreserveGeometry):

    defaultsize = QtCore.QSize(780, 560)
    autorestore = False
    selection_updated = QtCore.pyqtSignal(object)

    options = [
        config.Option("persist", "window_state", QtCore.QByteArray()),
        config.Option("persist", "bottom_splitter_state", QtCore.QByteArray()),
        config.BoolOption("persist", "window_maximized", False),
        config.BoolOption("persist", "view_cover_art", True),
        config.BoolOption("persist", "view_toolbar", True),
        config.BoolOption("persist", "view_file_browser", False),
        config.TextOption("persist", "current_directory", ""),
    ]

    def __init__(self, parent=None):
        super().__init__(parent)
        self.selected_objects = []
        self.ignore_selection_changes = False
        self.toolbar = None
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(_("MusicBrainz Picard"))
        icon = QtGui.QIcon()
        icon.addFile(":/images/16x16/picard.png", QtCore.QSize(16, 16))
        icon.addFile(":/images/24x24/picard.png", QtCore.QSize(24, 24))
        icon.addFile(":/images/32x32/picard.png", QtCore.QSize(32, 32))
        icon.addFile(":/images/48x48/picard.png", QtCore.QSize(48, 48))
        icon.addFile(":/images/128x128/picard.png", QtCore.QSize(128, 128))
        icon.addFile(":/images/256x256/picard.png", QtCore.QSize(256, 256))
        self.setWindowIcon(icon)

        self.create_actions()
        self.create_statusbar()
        self.create_toolbar()
        self.create_menus()

        mainLayout = QtWidgets.QSplitter(QtCore.Qt.Vertical)
        mainLayout.setContentsMargins(0, 0, 0, 0)
        mainLayout.setHandleWidth(1)

        self.panel = MainPanel(self, mainLayout)
        self.file_browser = FileBrowser(self.panel)
        if not self.show_file_browser_action.isChecked():
            self.file_browser.hide()
        self.panel.insertWidget(0, self.file_browser)
        self.panel.restore_state()

        self.metadata_box = MetadataBox(self)
        self.cover_art_box = CoverArtBox(self)
        if not self.show_cover_art_action.isChecked():
            self.cover_art_box.hide()

        self.logDialog = LogView(self)
        self.historyDialog = HistoryView(self)

        bottomLayout = QtWidgets.QHBoxLayout()
        bottomLayout.setContentsMargins(0, 0, 0, 0)
        bottomLayout.setSpacing(0)
        bottomLayout.addWidget(self.metadata_box, 1)
        bottomLayout.addWidget(self.cover_art_box, 0)
        bottom = QtWidgets.QWidget()
        bottom.setLayout(bottomLayout)

        mainLayout.addWidget(self.panel)
        mainLayout.addWidget(bottom)
        self.setCentralWidget(mainLayout)

        # accessibility
        self.set_tab_order()

        for function in ui_init:
            function(self)

    def keyPressEvent(self, event):
        if event.matches(QtGui.QKeySequence.Delete):
            if self.metadata_box.hasFocus():
                self.metadata_box.remove_selected_tags()
            else:
                self.remove()
        else:
            super().keyPressEvent(event)

    def show(self):
        self.restoreWindowState()
        super().show()
        self.auto_update_check()
        self.metadata_box.restore_state()

    def closeEvent(self, event):
        if config.setting[
                "quit_confirmation"] and not self.show_quit_confirmation():
            event.ignore()
            return
        self.saveWindowState()
        event.accept()

    def show_quit_confirmation(self):
        unsaved_files = sum(a.get_num_unsaved_files()
                            for a in self.tagger.albums.values())
        QMessageBox = QtWidgets.QMessageBox

        if unsaved_files > 0:
            msg = QMessageBox(self)
            msg.setIcon(QMessageBox.Question)
            msg.setWindowModality(QtCore.Qt.WindowModal)
            msg.setWindowTitle(_("Unsaved Changes"))
            msg.setText(_("Are you sure you want to quit Picard?"))
            txt = ngettext(
                "There is %d unsaved file. Closing Picard will lose all unsaved changes.",
                "There are %d unsaved files. Closing Picard will lose all unsaved changes.",
                unsaved_files) % unsaved_files
            msg.setInformativeText(txt)
            cancel = msg.addButton(QMessageBox.Cancel)
            msg.setDefaultButton(cancel)
            msg.addButton(_("&Quit Picard"), QMessageBox.YesRole)
            ret = msg.exec_()

            if ret == QMessageBox.Cancel:
                return False

        return True

    def saveWindowState(self):
        config.persist["window_state"] = self.saveState()
        isMaximized = int(self.windowState()) & QtCore.Qt.WindowMaximized != 0
        self.save_geometry()
        config.persist["window_maximized"] = isMaximized
        config.persist[
            "view_cover_art"] = self.show_cover_art_action.isChecked()
        config.persist["view_toolbar"] = self.show_toolbar_action.isChecked()
        config.persist[
            "view_file_browser"] = self.show_file_browser_action.isChecked()
        config.persist["bottom_splitter_state"] = self.centralWidget(
        ).saveState()
        self.file_browser.save_state()
        self.panel.save_state()
        self.metadata_box.save_state()

    @restore_method
    def restoreWindowState(self):
        self.restoreState(config.persist["window_state"])
        self.restore_geometry()
        if config.persist["window_maximized"]:
            self.setWindowState(QtCore.Qt.WindowMaximized)
        bottom_splitter_state = config.persist["bottom_splitter_state"]
        if bottom_splitter_state.isEmpty():
            self.centralWidget().setSizes([366, 194])
        else:
            self.centralWidget().restoreState(bottom_splitter_state)
        self.file_browser.restore_state()

    def create_statusbar(self):
        """Creates a new status bar."""
        self.statusBar().showMessage(_("Ready"))
        self.infostatus = InfoStatus(self)
        self.listening_label = QtWidgets.QLabel()
        self.listening_label.setVisible(False)
        self.listening_label.setToolTip("<qt/>" + _(
            "Picard listens on this port to integrate with your browser. When "
            "you \"Search\" or \"Open in Browser\" from Picard, clicking the "
            "\"Tagger\" button on the web page loads the release into Picard.")
                                        )
        self.statusBar().addPermanentWidget(self.infostatus)
        self.statusBar().addPermanentWidget(self.listening_label)
        self.tagger.tagger_stats_changed.connect(self.update_statusbar_stats)
        self.tagger.listen_port_changed.connect(
            self.update_statusbar_listen_port)
        self.update_statusbar_stats()

    @throttle(100)
    def update_statusbar_stats(self):
        """Updates the status bar information."""
        self.infostatus.setFiles(len(self.tagger.files))
        self.infostatus.setAlbums(len(self.tagger.albums))
        self.infostatus.setPendingFiles(File.num_pending_files)
        ws = self.tagger.webservice
        self.infostatus.setPendingRequests(ws.num_pending_web_requests)

    def update_statusbar_listen_port(self, listen_port):
        if listen_port:
            self.listening_label.setVisible(True)
            self.listening_label.setText(
                _(" Listening on port %(port)d ") % {"port": listen_port})
        else:
            self.listening_label.setVisible(False)

    def set_statusbar_message(self, message, *args, **kwargs):
        """Set the status bar message.

        *args are passed to % operator, if args[0] is a mapping it is used for
        named place holders values
        >>> w.set_statusbar_message("File %(filename)s", {'filename': 'x.txt'})

        Keyword arguments:
        `echo` parameter defaults to `log.debug`, called before message is
        translated, it can be disabled passing None or replaced by ie.
        `log.error`. If None, skipped.

        `translate` is a method called on message before it is sent to history
        log and status bar, it defaults to `_()`. If None, skipped.

        `timeout` defines duration of the display in milliseconds

        `history` is a method called with translated message as argument, it
        defaults to `log.history_info`. If None, skipped.

        Empty messages are never passed to echo and history functions but they
        are sent to status bar (ie. to clear it).
        """
        def isdict(obj):
            return hasattr(obj, 'keys') and hasattr(obj, '__getitem__')

        echo = kwargs.get('echo', log.debug)
        # _ is defined using builtins.__dict__, so setting it as default named argument
        # value doesn't work as expected
        translate = kwargs.get('translate', _)
        timeout = kwargs.get('timeout', 0)
        history = kwargs.get('history', log.history_info)
        if len(args) == 1 and isdict(args[0]):
            # named place holders
            mparms = args[0]
        else:
            # simple place holders, ensure compatibility
            mparms = args
        if message:
            if echo:
                echo(message % mparms)
            if translate:
                message = translate(message)
            message = message % mparms
            if history:
                history(message)
        thread.to_main(self.statusBar().showMessage, message, timeout)

    def _on_submit_acoustid(self):
        if self.tagger.use_acoustid:
            if not config.setting["acoustid_apikey"]:
                QtWidgets.QMessageBox.warning(
                    self, _("Submission Error"),
                    _("You need to configure your AcoustID API key before you can submit fingerprints."
                      ))
            else:
                self.tagger.acoustidmanager.submit()

    def create_actions(self):
        self.options_action = QtWidgets.QAction(
            icontheme.lookup('preferences-desktop'), _("&Options..."), self)
        self.options_action.setMenuRole(QtWidgets.QAction.PreferencesRole)
        self.options_action.triggered.connect(self.show_options)

        self.cut_action = QtWidgets.QAction(
            icontheme.lookup('edit-cut', icontheme.ICON_SIZE_MENU), _("&Cut"),
            self)
        self.cut_action.setShortcut(QtGui.QKeySequence.Cut)
        self.cut_action.setEnabled(False)
        self.cut_action.triggered.connect(self.cut)

        self.paste_action = QtWidgets.QAction(
            icontheme.lookup('edit-paste', icontheme.ICON_SIZE_MENU),
            _("&Paste"), self)
        self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
        self.paste_action.setEnabled(False)
        self.paste_action.triggered.connect(self.paste)

        self.help_action = QtWidgets.QAction(_("&Help..."), self)
        self.help_action.setShortcut(QtGui.QKeySequence.HelpContents)
        self.help_action.triggered.connect(self.show_help)

        self.about_action = QtWidgets.QAction(_("&About..."), self)
        self.about_action.setMenuRole(QtWidgets.QAction.AboutRole)
        self.about_action.triggered.connect(self.show_about)

        self.donate_action = QtWidgets.QAction(_("&Donate..."), self)
        self.donate_action.triggered.connect(self.open_donation_page)

        self.report_bug_action = QtWidgets.QAction(_("&Report a Bug..."), self)
        self.report_bug_action.triggered.connect(self.open_bug_report)

        self.support_forum_action = QtWidgets.QAction(_("&Support Forum..."),
                                                      self)
        self.support_forum_action.triggered.connect(self.open_support_forum)

        self.add_files_action = QtWidgets.QAction(
            icontheme.lookup('document-open'), _("&Add Files..."), self)
        self.add_files_action.setStatusTip(_("Add files to the tagger"))
        # TR: Keyboard shortcut for "Add Files..."
        self.add_files_action.setShortcut(QtGui.QKeySequence.Open)
        self.add_files_action.triggered.connect(self.add_files)

        self.add_directory_action = QtWidgets.QAction(
            icontheme.lookup('folder'), _("A&dd Folder..."), self)
        self.add_directory_action.setStatusTip(_("Add a folder to the tagger"))
        # TR: Keyboard shortcut for "Add Directory..."
        self.add_directory_action.setShortcut(QtGui.QKeySequence(_("Ctrl+D")))
        self.add_directory_action.triggered.connect(self.add_directory)

        self.save_action = QtWidgets.QAction(icontheme.lookup('document-save'),
                                             _("&Save"), self)
        self.save_action.setStatusTip(_("Save selected files"))
        # TR: Keyboard shortcut for "Save"
        self.save_action.setShortcut(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.save)

        self.submit_acoustid_action = QtWidgets.QAction(
            icontheme.lookup('acoustid-fingerprinter'), _("S&ubmit AcoustIDs"),
            self)
        self.submit_acoustid_action.setStatusTip(
            _("Submit acoustic fingerprints"))
        self.submit_acoustid_action.setEnabled(False)
        self.submit_acoustid_action.triggered.connect(self._on_submit_acoustid)

        self.exit_action = QtWidgets.QAction(_("E&xit"), self)
        self.exit_action.setMenuRole(QtWidgets.QAction.QuitRole)
        # TR: Keyboard shortcut for "Exit"
        self.exit_action.setShortcut(QtGui.QKeySequence(_("Ctrl+Q")))
        self.exit_action.triggered.connect(self.close)

        self.remove_action = QtWidgets.QAction(icontheme.lookup('list-remove'),
                                               _("&Remove"), self)
        self.remove_action.setStatusTip(_("Remove selected files/albums"))
        self.remove_action.setEnabled(False)
        self.remove_action.triggered.connect(self.remove)

        self.browser_lookup_action = QtWidgets.QAction(
            icontheme.lookup('lookup-musicbrainz'), _("Lookup in &Browser"),
            self)
        self.browser_lookup_action.setStatusTip(
            _("Lookup selected item on MusicBrainz website"))
        self.browser_lookup_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup in Browser"
        self.browser_lookup_action.setShortcut(
            QtGui.QKeySequence(_("Ctrl+Shift+L")))
        self.browser_lookup_action.triggered.connect(self.browser_lookup)

        self.album_search_action = QtWidgets.QAction(
            icontheme.lookup('system-search'),
            _("Search for similar albums..."), self)
        self.album_search_action.setStatusTip(
            _("View similar releases and optionally choose a different release"
              ))
        self.album_search_action.triggered.connect(self.show_more_albums)

        self.track_search_action = QtWidgets.QAction(
            icontheme.lookup('system-search'),
            _("Search for similar tracks..."), self)
        self.track_search_action.setStatusTip(
            _("View similar tracks and optionally choose a different release"))
        self.track_search_action.triggered.connect(self.show_more_tracks)

        self.show_file_browser_action = QtWidgets.QAction(
            _("File &Browser"), self)
        self.show_file_browser_action.setCheckable(True)
        if config.persist["view_file_browser"]:
            self.show_file_browser_action.setChecked(True)
        self.show_file_browser_action.setShortcut(
            QtGui.QKeySequence(_("Ctrl+B")))
        self.show_file_browser_action.triggered.connect(self.show_file_browser)

        self.show_cover_art_action = QtWidgets.QAction(_("&Cover Art"), self)
        self.show_cover_art_action.setCheckable(True)
        if config.persist["view_cover_art"]:
            self.show_cover_art_action.setChecked(True)
        self.show_cover_art_action.triggered.connect(self.show_cover_art)

        self.show_toolbar_action = QtWidgets.QAction(_("&Actions"), self)
        self.show_toolbar_action.setCheckable(True)
        if config.persist["view_toolbar"]:
            self.show_toolbar_action.setChecked(True)
        self.show_toolbar_action.triggered.connect(self.show_toolbar)

        self.search_action = QtWidgets.QAction(
            icontheme.lookup('system-search'), _("Search"), self)
        self.search_action.setEnabled(False)
        self.search_action.triggered.connect(self.search)

        self.cd_lookup_action = QtWidgets.QAction(
            icontheme.lookup('media-optical'), _("Lookup &CD..."), self)
        self.cd_lookup_action.setStatusTip(
            _("Lookup the details of the CD in your drive"))
        # TR: Keyboard shortcut for "Lookup CD"
        self.cd_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))
        self.cd_lookup_action.triggered.connect(self.tagger.lookup_cd)

        self.cd_lookup_menu = QtWidgets.QMenu(_("Lookup &CD..."))
        self.cd_lookup_menu.triggered.connect(self.tagger.lookup_cd)
        self.cd_lookup_action.setEnabled(False)
        if discid is None:
            log.warning(
                "CDROM: discid library not found - Lookup CD functionality disabled"
            )
        else:
            drives = get_cdrom_drives()
            if not drives:
                log.warning(
                    "CDROM: No CD-ROM drives found - Lookup CD functionality disabled"
                )
            else:
                shortcut_drive = config.setting["cd_lookup_device"].split(
                    ",")[0] if len(drives) > 1 else ""
                self.cd_lookup_action.setEnabled(True)
                for drive in drives:
                    action = self.cd_lookup_menu.addAction(drive)
                    if drive == shortcut_drive:
                        # Clear existing shortcode on main action and assign it to sub-action
                        self.cd_lookup_action.setShortcut(QtGui.QKeySequence())
                        action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))

        self.analyze_action = QtWidgets.QAction(
            icontheme.lookup('picard-analyze'), _("&Scan"), self)
        self.analyze_action.setStatusTip(
            _("Use AcoustID audio fingerprint to identify the files by the actual music, even if they have no metadata"
              ))
        self.analyze_action.setEnabled(False)
        self.analyze_action.setToolTip(
            _('Identify the file using its AcoustID audio fingerprint'))
        # TR: Keyboard shortcut for "Analyze"
        self.analyze_action.setShortcut(QtGui.QKeySequence(_("Ctrl+Y")))
        self.analyze_action.triggered.connect(self.analyze)

        self.cluster_action = QtWidgets.QAction(
            icontheme.lookup('picard-cluster'), _("Cl&uster"), self)
        self.cluster_action.setStatusTip(
            _("Cluster files into album clusters"))
        self.cluster_action.setEnabled(False)
        # TR: Keyboard shortcut for "Cluster"
        self.cluster_action.setShortcut(QtGui.QKeySequence(_("Ctrl+U")))
        self.cluster_action.triggered.connect(self.cluster)

        self.autotag_action = QtWidgets.QAction(
            icontheme.lookup('picard-auto-tag'), _("&Lookup"), self)
        tip = _("Lookup selected items in MusicBrainz")
        self.autotag_action.setToolTip(tip)
        self.autotag_action.setStatusTip(tip)
        self.autotag_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup"
        self.autotag_action.setShortcut(QtGui.QKeySequence(_("Ctrl+L")))
        self.autotag_action.triggered.connect(self.autotag)

        self.view_info_action = QtWidgets.QAction(
            icontheme.lookup('picard-edit-tags'), _("&Info..."), self)
        self.view_info_action.setEnabled(False)
        # TR: Keyboard shortcut for "Info"
        self.view_info_action.setShortcut(QtGui.QKeySequence(_("Ctrl+I")))
        self.view_info_action.triggered.connect(self.view_info)

        self.refresh_action = QtWidgets.QAction(
            icontheme.lookup('view-refresh', icontheme.ICON_SIZE_MENU),
            _("&Refresh"), self)
        self.refresh_action.setShortcut(QtGui.QKeySequence(_("Ctrl+R")))
        self.refresh_action.triggered.connect(self.refresh)

        self.enable_renaming_action = QtWidgets.QAction(
            _("&Rename Files"), self)
        self.enable_renaming_action.setCheckable(True)
        self.enable_renaming_action.setChecked(config.setting["rename_files"])
        self.enable_renaming_action.triggered.connect(self.toggle_rename_files)

        self.enable_moving_action = QtWidgets.QAction(_("&Move Files"), self)
        self.enable_moving_action.setCheckable(True)
        self.enable_moving_action.setChecked(config.setting["move_files"])
        self.enable_moving_action.triggered.connect(self.toggle_move_files)

        self.enable_tag_saving_action = QtWidgets.QAction(
            _("Save &Tags"), self)
        self.enable_tag_saving_action.setCheckable(True)
        self.enable_tag_saving_action.setChecked(
            not config.setting["dont_write_tags"])
        self.enable_tag_saving_action.triggered.connect(self.toggle_tag_saving)

        self.tags_from_filenames_action = QtWidgets.QAction(
            _("Tags From &File Names..."), self)
        self.tags_from_filenames_action.triggered.connect(
            self.open_tags_from_filenames)
        self.tags_from_filenames_action.setEnabled(False)

        self.open_collection_in_browser_action = QtWidgets.QAction(
            _("&Open My Collections in Browser"), self)
        self.open_collection_in_browser_action.triggered.connect(
            self.open_collection_in_browser)
        self.open_collection_in_browser_action.setEnabled(
            config.setting["username"] != '')

        self.view_log_action = QtWidgets.QAction(_("View &Error/Debug Log"),
                                                 self)
        self.view_log_action.triggered.connect(self.show_log)
        # TR: Keyboard shortcut for "View Error/Debug Log"
        self.view_log_action.setShortcut(QtGui.QKeySequence(_("Ctrl+E")))

        self.view_history_action = QtWidgets.QAction(
            _("View Activity &History"), self)
        self.view_history_action.triggered.connect(self.show_history)
        # TR: Keyboard shortcut for "View Activity History"
        self.view_history_action.setShortcut(QtGui.QKeySequence(_("Ctrl+H")))

        webservice_manager = self.tagger.webservice.manager
        webservice_manager.authenticationRequired.connect(
            self.show_password_dialog)
        webservice_manager.proxyAuthenticationRequired.connect(
            self.show_proxy_dialog)

        self.play_file_action = QtWidgets.QAction(
            icontheme.lookup('play-music'), _("Open in &Player"), self)
        self.play_file_action.setStatusTip(
            _("Play the file in your default media player"))
        self.play_file_action.setEnabled(False)
        self.play_file_action.triggered.connect(self.play_file)

        self.open_folder_action = QtWidgets.QAction(
            icontheme.lookup('folder', icontheme.ICON_SIZE_MENU),
            _("Open Containing &Folder"), self)
        self.open_folder_action.setStatusTip(
            _("Open the containing folder in your file explorer"))
        self.open_folder_action.setEnabled(False)
        self.open_folder_action.triggered.connect(self.open_folder)

        self.check_update_action = QtWidgets.QAction(_("&Check for Update"),
                                                     self)
        self.check_update_action.triggered.connect(self.do_update_check)

    def toggle_rename_files(self, checked):
        config.setting["rename_files"] = checked

    def toggle_move_files(self, checked):
        config.setting["move_files"] = checked

    def toggle_tag_saving(self, checked):
        config.setting["dont_write_tags"] = not checked

    def get_selected_or_unmatched_files(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        if not files:
            files = self.tagger.unclustered_files.files
        return files

    def open_tags_from_filenames(self):
        files = self.get_selected_or_unmatched_files()
        if files:
            dialog = TagsFromFileNamesDialog(files, self)
            dialog.exec_()

    def open_collection_in_browser(self):
        self.tagger.collection_lookup()

    def create_menus(self):
        menu = self.menuBar().addMenu(_("&File"))
        menu.addAction(self.add_directory_action)
        menu.addAction(self.add_files_action)
        menu.addSeparator()
        menu.addAction(self.play_file_action)
        menu.addAction(self.open_folder_action)
        menu.addSeparator()
        menu.addAction(self.save_action)
        menu.addAction(self.submit_acoustid_action)
        menu.addSeparator()
        menu.addAction(self.exit_action)
        menu = self.menuBar().addMenu(_("&Edit"))
        menu.addAction(self.cut_action)
        menu.addAction(self.paste_action)
        menu.addSeparator()
        menu.addAction(self.view_info_action)
        menu.addAction(self.remove_action)
        menu = self.menuBar().addMenu(_("&View"))
        menu.addAction(self.show_file_browser_action)
        menu.addAction(self.show_cover_art_action)
        menu.addSeparator()
        menu.addAction(self.show_toolbar_action)
        menu.addAction(self.search_toolbar_toggle_action)
        menu = self.menuBar().addMenu(_("&Options"))
        menu.addAction(self.enable_renaming_action)
        menu.addAction(self.enable_moving_action)
        menu.addAction(self.enable_tag_saving_action)
        menu.addSeparator()
        menu.addAction(self.options_action)
        menu = self.menuBar().addMenu(_("&Tools"))
        menu.addAction(self.refresh_action)
        if len(self.cd_lookup_menu.actions()) > 1:
            menu.addMenu(self.cd_lookup_menu)
        else:
            menu.addAction(self.cd_lookup_action)
        menu.addAction(self.autotag_action)
        menu.addAction(self.analyze_action)
        menu.addAction(self.cluster_action)
        menu.addAction(self.browser_lookup_action)
        menu.addSeparator()
        menu.addAction(self.tags_from_filenames_action)
        menu.addAction(self.open_collection_in_browser_action)
        self.menuBar().addSeparator()
        menu = self.menuBar().addMenu(_("&Help"))
        menu.addAction(self.help_action)
        menu.addSeparator()
        menu.addAction(self.view_history_action)
        menu.addSeparator()
        menu.addAction(self.check_update_action)
        menu.addSeparator()
        menu.addAction(self.support_forum_action)
        menu.addAction(self.report_bug_action)
        menu.addAction(self.view_log_action)
        menu.addSeparator()
        menu.addAction(self.donate_action)
        menu.addAction(self.about_action)

    def update_toolbar_style(self):
        if config.setting["toolbar_show_labels"]:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        else:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)

    def create_toolbar(self):
        self.create_search_toolbar()
        self.create_action_toolbar()

    def create_action_toolbar(self):
        if self.toolbar:
            self.toolbar.clear()
            self.removeToolBar(self.toolbar)
        self.toolbar = toolbar = QtWidgets.QToolBar(_("Actions"))
        self.insertToolBar(self.search_toolbar, self.toolbar)
        self.update_toolbar_style()
        toolbar.setObjectName("main_toolbar")

        def add_toolbar_action(action):
            toolbar.addAction(action)
            widget = toolbar.widgetForAction(action)
            widget.setFocusPolicy(QtCore.Qt.TabFocus)
            widget.setAttribute(QtCore.Qt.WA_MacShowFocusRect)

        for action in config.setting['toolbar_layout']:
            if action == 'cd_lookup_action':
                add_toolbar_action(self.cd_lookup_action)
                if len(self.cd_lookup_menu.actions()) > 1:
                    button = toolbar.widgetForAction(self.cd_lookup_action)
                    button.setPopupMode(QtWidgets.QToolButton.MenuButtonPopup)
                    button.setMenu(self.cd_lookup_menu)
            elif action == 'separator':
                toolbar.addSeparator()
            else:
                try:
                    add_toolbar_action(getattr(self, action))
                except AttributeError:
                    log.warning(
                        'Warning: Unknown action name "%r" found in config. Ignored.',
                        action)
        self.show_toolbar()

    def create_search_toolbar(self):
        self.search_toolbar = toolbar = self.addToolBar(_("Search"))
        self.search_toolbar_toggle_action = self.search_toolbar.toggleViewAction(
        )
        toolbar.setObjectName("search_toolbar")
        search_panel = QtWidgets.QWidget(toolbar)
        hbox = QtWidgets.QHBoxLayout(search_panel)
        self.search_combo = QtWidgets.QComboBox(search_panel)
        self.search_combo.addItem(_("Album"), "album")
        self.search_combo.addItem(_("Artist"), "artist")
        self.search_combo.addItem(_("Track"), "track")
        hbox.addWidget(self.search_combo, 0)
        self.search_edit = ButtonLineEdit(search_panel)
        self.search_edit.returnPressed.connect(self.trigger_search_action)
        self.search_edit.textChanged.connect(self.enable_search)
        hbox.addWidget(self.search_edit, 0)
        self.search_button = QtWidgets.QToolButton(search_panel)
        self.search_button.setAutoRaise(True)
        self.search_button.setDefaultAction(self.search_action)
        self.search_button.setIconSize(QtCore.QSize(22, 22))
        self.search_button.setAttribute(QtCore.Qt.WA_MacShowFocusRect)

        # search button contextual menu, shortcut to toggle search options
        def search_button_menu(position):
            menu = QtWidgets.QMenu()
            opts = OrderedDict([('use_adv_search_syntax',
                                 N_("&Advanced search")),
                                ('builtin_search', N_("&Builtin search"))])

            def toggle_opt(opt, checked):
                config.setting[opt] = checked

            for opt, label in opts.items():
                action = QtWidgets.QAction(_(label), menu)
                action.setCheckable(True)
                action.setChecked(config.setting[opt])
                action.triggered.connect(partial(toggle_opt, opt))
                menu.addAction(action)
            menu.exec_(self.search_button.mapToGlobal(position))

        self.search_button.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
        self.search_button.customContextMenuRequested.connect(
            search_button_menu)
        hbox.addWidget(self.search_button)
        toolbar.addWidget(search_panel)

    def set_tab_order(self):
        tab_order = self.setTabOrder
        tw = self.toolbar.widgetForAction
        prev_action = None
        current_action = None
        # Setting toolbar widget tab-orders for accessibility
        for action in config.setting['toolbar_layout']:
            if action != 'separator':
                try:
                    current_action = tw(getattr(self, action))
                except AttributeError:
                    # No need to log warnings since we have already
                    # done it once in create_toolbar
                    pass

            if prev_action is not None and prev_action != current_action:
                tab_order(prev_action, current_action)

            prev_action = current_action

        tab_order(prev_action, self.search_combo)
        tab_order(self.search_combo, self.search_edit)
        tab_order(self.search_edit, self.search_button)
        # Panels
        tab_order(self.search_button, self.file_browser)
        tab_order(self.file_browser, self.panel.views[0])
        tab_order(self.panel.views[0], self.panel.views[1])
        tab_order(self.panel.views[1], self.metadata_box)

    def enable_submit(self, enabled):
        """Enable/disable the 'Submit fingerprints' action."""
        self.submit_acoustid_action.setEnabled(enabled)

    def enable_cluster(self, enabled):
        """Enable/disable the 'Cluster' action."""
        self.cluster_action.setEnabled(enabled)

    def enable_search(self):
        """Enable/disable the 'Search' action."""
        if self.search_edit.text():
            self.search_action.setEnabled(True)
        else:
            self.search_action.setEnabled(False)

    def trigger_search_action(self):
        if self.search_action.isEnabled():
            self.search_action.trigger()

    def search_mbid_found(self, entity, mbid):
        self.search_edit.setText('%s:%s' % (entity, mbid))

    def search(self):
        """Search for album, artist or track on the MusicBrainz website."""
        text = self.search_edit.text()
        entity = self.search_combo.itemData(self.search_combo.currentIndex())
        self.tagger.search(text,
                           entity,
                           config.setting["use_adv_search_syntax"],
                           mbid_matched_callback=self.search_mbid_found)

    def add_files(self):
        """Add files to the tagger."""
        current_directory = find_starting_directory()
        formats = []
        extensions = []
        for exts, name in supported_formats():
            exts = ["*" + e for e in exts]
            formats.append("%s (%s)" % (name, " ".join(exts)))
            extensions.extend(exts)
        formats.sort()
        extensions.sort()
        formats.insert(
            0,
            _("All Supported Formats") + " (%s)" % " ".join(extensions))
        files, _filter = QtWidgets.QFileDialog.getOpenFileNames(
            self, "", current_directory, ";;".join(formats))
        if files:
            config.persist["current_directory"] = os.path.dirname(files[0])
            self.tagger.add_files(files)

    def add_directory(self):
        """Add directory to the tagger."""
        current_directory = find_starting_directory()

        dir_list = []
        if not config.setting["toolbar_multiselect"]:
            directory = QtWidgets.QFileDialog.getExistingDirectory(
                self, "", current_directory)
            if directory:
                dir_list.append(directory)
        else:
            file_dialog = MultiDirsSelectDialog(self, "", current_directory)
            if file_dialog.exec_() == QtWidgets.QDialog.Accepted:
                dir_list = file_dialog.selectedFiles()

        dir_count = len(dir_list)
        if dir_count:
            parent = os.path.dirname(
                dir_list[0]) if dir_count > 1 else dir_list[0]
            config.persist["current_directory"] = parent
            if dir_count > 1:
                self.set_statusbar_message(
                    N_("Adding multiple directories from '%(directory)s' ..."),
                    {'directory': parent})
            else:
                self.set_statusbar_message(
                    N_("Adding directory: '%(directory)s' ..."),
                    {'directory': dir_list[0]})

            for directory in dir_list:
                self.tagger.add_directory(directory)

    def show_about(self):
        self.show_options("about")

    def show_options(self, page=None):
        dialog = OptionsDialog(page, self)
        dialog.exec_()

    def show_help(self):
        webbrowser2.goto('documentation')

    def show_log(self):
        self.logDialog.show()
        self.logDialog.raise_()
        self.logDialog.activateWindow()

    def show_history(self):
        self.historyDialog.show()
        self.historyDialog.raise_()
        self.historyDialog.activateWindow()

    def open_bug_report(self):
        webbrowser2.goto('troubleshooting')

    def open_support_forum(self):
        webbrowser2.goto('forum')

    def open_donation_page(self):
        webbrowser2.goto('donate')

    def save(self):
        """Tell the tagger to save the selected objects."""
        self.tagger.save(self.selected_objects)

    def remove(self):
        """Tell the tagger to remove the selected objects."""
        self.panel.remove(self.selected_objects)

    def analyze(self):
        if not config.setting['fingerprinting_system']:
            if self.show_analyze_settings_info():
                self.show_options("fingerprinting")
            if not config.setting['fingerprinting_system']:
                return
        return self.tagger.analyze(self.selected_objects)

    def _openUrl(self, url):
        # Resolves a bug in Qt opening remote URLs - QTBUG-13359
        # See https://bugreports.qt.io/browse/QTBUG-13359
        if url.startswith("\\\\") or url.startswith("//"):
            return QtCore.QUrl(QtCore.QDir.toNativeSeparators(url))
        else:
            return QtCore.QUrl.fromLocalFile(url)

    def play_file(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            QtGui.QDesktopServices.openUrl(self._openUrl(file.filename))

    def open_folder(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        folders = set([os.path.dirname(f.filename) for f in files])
        for folder in folders:
            QtGui.QDesktopServices.openUrl(self._openUrl(folder))

    def show_analyze_settings_info(self):
        ret = QtWidgets.QMessageBox.question(
            self, _("Configuration Required"),
            _("Audio fingerprinting is not yet configured. Would you like to configure it now?"
              ), QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
            QtWidgets.QMessageBox.Yes)
        return ret == QtWidgets.QMessageBox.Yes

    def show_more_tracks(self):
        obj = self.selected_objects[0]
        if isinstance(obj, Track):
            obj = obj.linked_files[0]
        dialog = TrackSearchDialog(self)
        dialog.load_similar_tracks(obj)
        dialog.exec_()

    def show_more_albums(self):
        obj = self.selected_objects[0]
        dialog = AlbumSearchDialog(self)
        dialog.show_similar_albums(obj)
        dialog.exec_()

    def view_info(self, default_tab=0):
        if isinstance(self.selected_objects[0], Album):
            album = self.selected_objects[0]
            dialog = AlbumInfoDialog(album, self)
        elif isinstance(self.selected_objects[0], Cluster):
            cluster = self.selected_objects[0]
            dialog = ClusterInfoDialog(cluster, self)
        elif isinstance(self.selected_objects[0], Track):
            track = self.selected_objects[0]
            dialog = TrackInfoDialog(track, self)
        else:
            file = self.tagger.get_files_from_objects(self.selected_objects)[0]
            dialog = FileInfoDialog(file, self)
        dialog.ui.tabWidget.setCurrentIndex(default_tab)
        dialog.exec_()

    def cluster(self):
        self.tagger.cluster(self.selected_objects)
        self.update_actions()

    def refresh(self):
        self.tagger.refresh(self.selected_objects)

    def browser_lookup(self):
        self.tagger.browser_lookup(self.selected_objects[0])

    @throttle(100)
    def update_actions(self):
        can_remove = False
        can_save = False
        can_analyze = False
        can_refresh = False
        can_autotag = False
        single = self.selected_objects[0] if len(
            self.selected_objects) == 1 else None
        can_view_info = bool(single and single.can_view_info())
        can_browser_lookup = bool(single and single.can_browser_lookup())
        have_files = bool(
            self.tagger.get_files_from_objects(self.selected_objects))
        have_objects = bool(self.selected_objects)
        for obj in self.selected_objects:
            if obj is None:
                continue
            if obj.can_analyze():
                can_analyze = True
            if obj.can_save():
                can_save = True
            if obj.can_remove():
                can_remove = True
            if obj.can_refresh():
                can_refresh = True
            if obj.can_autotag():
                can_autotag = True
            # Skip further loops if all values now True.
            if can_analyze and can_save and can_remove and can_refresh and can_autotag:
                break
        self.remove_action.setEnabled(can_remove)
        self.save_action.setEnabled(can_save)
        self.view_info_action.setEnabled(can_view_info)
        self.analyze_action.setEnabled(can_analyze)
        self.refresh_action.setEnabled(can_refresh)
        self.autotag_action.setEnabled(can_autotag)
        self.browser_lookup_action.setEnabled(can_browser_lookup)
        self.play_file_action.setEnabled(have_files)
        self.open_folder_action.setEnabled(have_files)
        self.cut_action.setEnabled(have_objects)
        files = self.get_selected_or_unmatched_files()
        self.tags_from_filenames_action.setEnabled(bool(files))
        self.track_search_action.setEnabled(have_objects)

    def update_selection(self, objects=None):
        if self.ignore_selection_changes:
            return

        if objects is not None:
            self.selected_objects = objects
        else:
            objects = self.selected_objects

        self.update_actions()

        metadata = None
        orig_metadata = None
        obj = None

        # Clear any existing status bar messages
        self.set_statusbar_message("")

        if len(objects) == 1:
            obj = list(objects)[0]
            if isinstance(obj, File):
                metadata = obj.metadata
                orig_metadata = obj.orig_metadata
                if obj.state == obj.ERROR:
                    msg = N_("%(filename)s (error: %(error)s)")
                    mparms = {'filename': obj.filename, 'error': obj.error}
                else:
                    msg = N_("%(filename)s")
                    mparms = {
                        'filename': obj.filename,
                    }
                self.set_statusbar_message(msg,
                                           mparms,
                                           echo=None,
                                           history=None)
            elif isinstance(obj, Track):
                metadata = obj.metadata
                if obj.num_linked_files == 1:
                    file = obj.linked_files[0]
                    orig_metadata = file.orig_metadata
                    if file.state == File.ERROR:
                        msg = N_(
                            "%(filename)s (%(similarity)d%%) (error: %(error)s)"
                        )
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                            'error': file.error
                        }
                    else:
                        msg = N_("%(filename)s (%(similarity)d%%)")
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                        }
                    self.set_statusbar_message(msg,
                                               mparms,
                                               echo=None,
                                               history=None)
            elif isinstance(obj, Album):
                metadata = obj.metadata
                orig_metadata = obj.orig_metadata
            elif obj.can_edit_tags():
                metadata = obj.metadata

        self.metadata_box.selection_dirty = True
        self.metadata_box.update()
        self.cover_art_box.set_metadata(metadata, orig_metadata, obj)
        self.selection_updated.emit(objects)

    def show_cover_art(self):
        """Show/hide the cover art box."""
        if self.show_cover_art_action.isChecked():
            self.cover_art_box.show()
        else:
            self.cover_art_box.hide()

    def show_toolbar(self):
        """Show/hide the Action toolbar."""
        if self.show_toolbar_action.isChecked():
            self.toolbar.show()
        else:
            self.toolbar.hide()

    def show_file_browser(self):
        """Show/hide the file browser."""
        if self.show_file_browser_action.isChecked():
            sizes = self.panel.sizes()
            if sizes[0] == 0:
                sizes[0] = sum(sizes) // 4
                self.panel.setSizes(sizes)
            self.file_browser.show()
        else:
            self.file_browser.hide()

    def show_password_dialog(self, reply, authenticator):
        if reply.url().host() == config.setting['server_host']:
            ret = QtWidgets.QMessageBox.question(
                self, _("Authentication Required"),
                _("Picard needs authorization to access your personal data on the MusicBrainz server. Would you like to log in now?"
                  ), QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
                QtWidgets.QMessageBox.Yes)
            if ret == QtWidgets.QMessageBox.Yes:
                pass
        else:
            dialog = PasswordDialog(authenticator, reply, parent=self)
            dialog.exec_()

    def show_proxy_dialog(self, proxy, authenticator):
        dialog = ProxyDialog(authenticator, proxy, parent=self)
        dialog.exec_()

    def autotag(self):
        self.tagger.autotag(self.selected_objects)

    def cut(self):
        self.tagger.copy_files(self.selected_objects)
        self.paste_action.setEnabled(bool(self.selected_objects))

    def paste(self):
        selected_objects = self.selected_objects
        if not selected_objects:
            target = self.tagger.unclustered_files
        else:
            target = selected_objects[0]
        self.tagger.paste_files(target)
        self.paste_action.setEnabled(False)

    def do_update_check(self):
        self.check_for_update(True)

    def auto_update_check(self):
        check_for_updates = config.setting['check_for_updates']
        update_check_days = config.setting['update_check_days']
        last_update_check = config.persist['last_update_check']
        update_level = config.setting['update_level']
        today = datetime.date.today().toordinal()
        do_auto_update_check = check_for_updates and update_check_days > 0 and today >= last_update_check + update_check_days
        log.debug(
            '{check_status} start-up check for program updates.  Today: {today_date}, Last check: {last_check} (Check interval: {check_interval} days), Update level: {update_level} ({update_level_name})'
            .format(
                check_status='Initiating'
                if do_auto_update_check else 'Skipping',
                today_date=datetime.date.today(),
                last_check=str(datetime.date.fromordinal(last_update_check))
                if last_update_check > 0 else 'never',
                check_interval=update_check_days,
                update_level=update_level,
                update_level_name=PROGRAM_UPDATE_LEVELS[update_level]['name']
                if update_level in PROGRAM_UPDATE_LEVELS else 'unknown',
            ))
        if do_auto_update_check:
            self.check_for_update(False)

    def check_for_update(self, show_always):
        self.tagger.updatecheckmanager.check_update(
            show_always=show_always,
            update_level=config.setting['update_level'],
            callback=update_last_check_date)
Esempio n. 6
0
class MainWindow(QtGui.QMainWindow):

    selection_updated = QtCore.pyqtSignal(object)

    options = [
        config.Option("persist", "window_state", QtCore.QByteArray()),
        config.Option("persist", "window_position", QtCore.QPoint()),
        config.Option("persist", "window_size", QtCore.QSize(780, 560)),
        config.Option("persist", "bottom_splitter_state", QtCore.QByteArray()),
        config.BoolOption("persist", "window_maximized", False),
        config.BoolOption("persist", "view_cover_art", True),
        config.BoolOption("persist", "view_file_browser", False),
        config.TextOption("persist", "current_directory", ""),
    ]

    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent)
        self.selected_objects = []
        self.ignore_selection_changes = False
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(_("MusicBrainz Picard"))
        icon = QtGui.QIcon()
        icon.addFile(":/images/16x16/picard.png", QtCore.QSize(16, 16))
        icon.addFile(":/images/24x24/picard.png", QtCore.QSize(24, 24))
        icon.addFile(":/images/32x32/picard.png", QtCore.QSize(32, 32))
        icon.addFile(":/images/48x48/picard.png", QtCore.QSize(48, 48))
        icon.addFile(":/images/128x128/picard.png", QtCore.QSize(128, 128))
        icon.addFile(":/images/256x256/picard.png", QtCore.QSize(256, 256))
        self.setWindowIcon(icon)

        self.create_actions()
        self.create_statusbar()
        self.create_toolbar()
        self.create_menus()

        mainLayout = QtGui.QSplitter(QtCore.Qt.Vertical)
        mainLayout.setContentsMargins(0, 0, 0, 0)
        mainLayout.setHandleWidth(1)

        self.panel = MainPanel(self, mainLayout)
        self.file_browser = FileBrowser(self.panel)
        if not self.show_file_browser_action.isChecked():
            self.file_browser.hide()
        self.panel.insertWidget(0, self.file_browser)
        self.panel.restore_state()

        self.metadata_box = MetadataBox(self)
        self.cover_art_box = CoverArtBox(self)
        if not self.show_cover_art_action.isChecked():
            self.cover_art_box.hide()

        self.logDialog = LogView(self)
        self.historyDialog = HistoryView(self)

        bottomLayout = QtGui.QHBoxLayout()
        bottomLayout.setContentsMargins(0, 0, 0, 0)
        bottomLayout.setSpacing(0)
        bottomLayout.addWidget(self.metadata_box, 1)
        bottomLayout.addWidget(self.cover_art_box, 0)
        bottom = QtGui.QWidget()
        bottom.setLayout(bottomLayout)

        mainLayout.addWidget(self.panel)
        mainLayout.addWidget(bottom)
        self.setCentralWidget(mainLayout)

        # accessibility
        self.set_tab_order()

        # FIXME: use QApplication's clipboard
        self._clipboard = []

        for function in ui_init:
            function(self)

    def keyPressEvent(self, event):
        if event.matches(QtGui.QKeySequence.Delete):
            if self.metadata_box.hasFocus():
                self.metadata_box.remove_selected_tags()
            else:
                self.remove()
        else:
            QtGui.QMainWindow.keyPressEvent(self, event)

    def show(self):
        self.restoreWindowState()
        QtGui.QMainWindow.show(self)
        self.metadata_box.restore_state()

    def closeEvent(self, event):
        if config.setting["quit_confirmation"] and not self.show_quit_confirmation():
            event.ignore()
            return
        self.saveWindowState()
        event.accept()

    def show_quit_confirmation(self):
        unsaved_files = sum(a.get_num_unsaved_files() for a in self.tagger.albums.itervalues())
        QMessageBox = QtGui.QMessageBox

        if unsaved_files > 0:
            msg = QMessageBox(self)
            msg.setIcon(QMessageBox.Question)
            msg.setWindowModality(QtCore.Qt.WindowModal)
            msg.setWindowTitle(_(u"Unsaved Changes"))
            msg.setText(_(u"Are you sure you want to quit Picard?"))
            txt = ungettext(
                "There is %d unsaved file. Closing Picard will lose all unsaved changes.",
                "There are %d unsaved files. Closing Picard will lose all unsaved changes.",
                unsaved_files) % unsaved_files
            msg.setInformativeText(txt)
            cancel = msg.addButton(QMessageBox.Cancel)
            msg.setDefaultButton(cancel)
            msg.addButton(_(u"&Quit Picard"), QMessageBox.YesRole)
            ret = msg.exec_()

            if ret == QMessageBox.Cancel:
                return False

        return True

    def saveWindowState(self):
        config.persist["window_state"] = self.saveState()
        isMaximized = int(self.windowState()) & QtCore.Qt.WindowMaximized != 0
        if isMaximized:
            # FIXME: this doesn't include the window frame
            geom = self.normalGeometry()
            config.persist["window_position"] = geom.topLeft()
            config.persist["window_size"] = geom.size()
        else:
            pos = self.pos()
            if not pos.isNull():
                config.persist["window_position"] = pos
            config.persist["window_size"] = self.size()
        config.persist["window_maximized"] = isMaximized
        config.persist["view_cover_art"] = self.show_cover_art_action.isChecked()
        config.persist["view_file_browser"] = self.show_file_browser_action.isChecked()
        config.persist["bottom_splitter_state"] = self.centralWidget().saveState()
        self.file_browser.save_state()
        self.panel.save_state()
        self.metadata_box.save_state()

    def restoreWindowState(self):
        self.restoreState(config.persist["window_state"])
        pos = config.persist["window_position"]
        size = config.persist["window_size"]
        self._desktopgeo = self.tagger.desktop().screenGeometry()
        if (pos.x() > 0 and pos.y() > 0
            and pos.x() + size.width() < self._desktopgeo.width()
            and pos.y() + size.height() < self._desktopgeo.height()):
            self.move(pos)
        if size.width() <= 0 or size.height() <= 0:
            size = QtCore.QSize(780, 560)
        self.resize(size)
        if config.persist["window_maximized"]:
            self.setWindowState(QtCore.Qt.WindowMaximized)
        bottom_splitter_state = config.persist["bottom_splitter_state"]
        if bottom_splitter_state.isEmpty():
            self.centralWidget().setSizes([366, 194])
        else:
            self.centralWidget().restoreState(bottom_splitter_state)
        self.file_browser.restore_state()

    def create_statusbar(self):
        """Creates a new status bar."""
        self.statusBar().showMessage(_("Ready"))
        self.infostatus = InfoStatus(self)
        self.listening_label = QtGui.QLabel()
        self.listening_label.setVisible(False)
        self.listening_label.setToolTip("<qt/>" + _(
            "Picard listens on this port to integrate with your browser. When "
            "you \"Search\" or \"Open in Browser\" from Picard, clicking the "
            "\"Tagger\" button on the web page loads the release into Picard."
        ))
        self.statusBar().addPermanentWidget(self.infostatus)
        self.statusBar().addPermanentWidget(self.listening_label)
        self.tagger.tagger_stats_changed.connect(self.update_statusbar_stats)
        self.tagger.listen_port_changed.connect(self.update_statusbar_listen_port)
        self.update_statusbar_stats()

    @throttle(100)
    def update_statusbar_stats(self):
        """Updates the status bar information."""
        self.infostatus.setFiles(len(self.tagger.files))
        self.infostatus.setAlbums(len(self.tagger.albums))
        self.infostatus.setPendingFiles(File.num_pending_files)
        ws = self.tagger.xmlws
        self.infostatus.setPendingRequests(ws.num_pending_web_requests)

    def update_statusbar_listen_port(self, listen_port):
        if listen_port:
            self.listening_label.setVisible(True)
            self.listening_label.setText(_(" Listening on port %(port)d ") % {"port": listen_port})
        else:
            self.listening_label.setVisible(False)

    def set_statusbar_message(self, message, *args, **kwargs):
        """Set the status bar message.

        *args are passed to % operator, if args[0] is a mapping it is used for
        named place holders values
        >>> w.set_statusbar_message("File %(filename)s", {'filename': 'x.txt'})

        Keyword arguments:
        `echo` parameter defaults to `log.debug`, called before message is
        translated, it can be disabled passing None or replaced by ie.
        `log.error`. If None, skipped.

        `translate` is a method called on message before it is sent to history
        log and status bar, it defaults to `_()`. If None, skipped.

        `timeout` defines duration of the display in milliseconds

        `history` is a method called with translated message as argument, it
        defaults to `log.history_info`. If None, skipped.

        Empty messages are never passed to echo and history functions but they
        are sent to status bar (ie. to clear it).
        """
        def isdict(obj):
            return hasattr(obj, 'keys') and hasattr(obj, '__getitem__')

        echo = kwargs.get('echo', log.debug)
        # _ is defined using __builtin__.__dict__, so setting it as default named argument
        # value doesn't work as expected
        translate = kwargs.get('translate', _)
        timeout = kwargs.get('timeout', 0)
        history = kwargs.get('history', log.history_info)
        if len(args) == 1 and isdict(args[0]):
            # named place holders
            mparms = args[0]
        else:
            # simple place holders, ensure compatibility
            mparms = args
        if message:
            if echo:
                echo(message % mparms)
            if translate:
                message = translate(message)
            message = message % mparms
            if history:
                history(message)
        thread.to_main(self.statusBar().showMessage, message, timeout)

    def _on_submit(self):
        if self.tagger.use_acoustid:
            if not config.setting["acoustid_apikey"]:
                QtGui.QMessageBox.warning(self,
                    _(u"Submission Error"),
                    _(u"You need to configure your AcoustID API key before you can submit fingerprints."))
            else:
                self.tagger.acoustidmanager.submit()

    def create_actions(self):
        self.options_action = QtGui.QAction(icontheme.lookup('preferences-desktop'), _("&Options..."), self)
        self.options_action.setMenuRole(QtGui.QAction.PreferencesRole)
        self.options_action.triggered.connect(self.show_options)

        self.cut_action = QtGui.QAction(icontheme.lookup('edit-cut', icontheme.ICON_SIZE_MENU), _(u"&Cut"), self)
        self.cut_action.setShortcut(QtGui.QKeySequence.Cut)
        self.cut_action.setEnabled(False)
        self.cut_action.triggered.connect(self.cut)

        self.paste_action = QtGui.QAction(icontheme.lookup('edit-paste', icontheme.ICON_SIZE_MENU), _(u"&Paste"), self)
        self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
        self.paste_action.setEnabled(False)
        self.paste_action.triggered.connect(self.paste)

        self.help_action = QtGui.QAction(_("&Help..."), self)
        self.help_action.setShortcut(QtGui.QKeySequence.HelpContents)
        self.help_action.triggered.connect(self.show_help)

        self.about_action = QtGui.QAction(_("&About..."), self)
        self.about_action.setMenuRole(QtGui.QAction.AboutRole)
        self.about_action.triggered.connect(self.show_about)

        self.donate_action = QtGui.QAction(_("&Donate..."), self)
        self.donate_action.triggered.connect(self.open_donation_page)

        self.report_bug_action = QtGui.QAction(_("&Report a Bug..."), self)
        self.report_bug_action.triggered.connect(self.open_bug_report)

        self.support_forum_action = QtGui.QAction(_("&Support Forum..."), self)
        self.support_forum_action.triggered.connect(self.open_support_forum)

        self.add_files_action = QtGui.QAction(icontheme.lookup('document-open'), _(u"&Add Files..."), self)
        self.add_files_action.setStatusTip(_(u"Add files to the tagger"))
        # TR: Keyboard shortcut for "Add Files..."
        self.add_files_action.setShortcut(QtGui.QKeySequence.Open)
        self.add_files_action.triggered.connect(self.add_files)

        self.add_directory_action = QtGui.QAction(icontheme.lookup('folder'), _(u"A&dd Folder..."), self)
        self.add_directory_action.setStatusTip(_(u"Add a folder to the tagger"))
        # TR: Keyboard shortcut for "Add Directory..."
        self.add_directory_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+D")))
        self.add_directory_action.triggered.connect(self.add_directory)

        self.save_action = QtGui.QAction(icontheme.lookup('document-save'), _(u"&Save"), self)
        self.save_action.setStatusTip(_(u"Save selected files"))
        # TR: Keyboard shortcut for "Save"
        self.save_action.setShortcut(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.save)

        self.submit_action = QtGui.QAction(icontheme.lookup('picard-submit'), _(u"S&ubmit"), self)
        self.submit_action.setStatusTip(_(u"Submit acoustic fingerprints"))
        self.submit_action.setEnabled(False)
        self.submit_action.triggered.connect(self._on_submit)

        self.exit_action = QtGui.QAction(_(u"E&xit"), self)
        self.exit_action.setMenuRole(QtGui.QAction.QuitRole)
        # TR: Keyboard shortcut for "Exit"
        self.exit_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Q")))
        self.exit_action.triggered.connect(self.close)

        self.remove_action = QtGui.QAction(icontheme.lookup('list-remove'), _(u"&Remove"), self)
        self.remove_action.setStatusTip(_(u"Remove selected files/albums"))
        self.remove_action.setEnabled(False)
        self.remove_action.triggered.connect(self.remove)

        self.browser_lookup_action = QtGui.QAction(icontheme.lookup('lookup-musicbrainz'), _(u"Lookup in &Browser"), self)
        self.browser_lookup_action.setStatusTip(_(u"Lookup selected item on MusicBrainz website"))
        self.browser_lookup_action.setEnabled(False)
        self.browser_lookup_action.triggered.connect(self.browser_lookup)

        self.album_search_action = QtGui.QAction(icontheme.lookup('system-search'), _(u"Search for similar albums..."), self)
        self.album_search_action.setStatusTip(_(u"View similar releases and optionally choose a different release"))
        self.album_search_action.triggered.connect(self.show_more_albums)

        self.track_search_action = QtGui.QAction(icontheme.lookup('system-search'), _(u"Search for similar tracks..."), self)
        self.track_search_action.setStatusTip(_(u"View similar tracks and optionally choose a different release"))
        self.track_search_action.triggered.connect(self.show_more_tracks)

        self.show_file_browser_action = QtGui.QAction(_(u"File &Browser"), self)
        self.show_file_browser_action.setCheckable(True)
        if config.persist["view_file_browser"]:
            self.show_file_browser_action.setChecked(True)
        self.show_file_browser_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+B")))
        self.show_file_browser_action.triggered.connect(self.show_file_browser)

        self.show_cover_art_action = QtGui.QAction(_(u"&Cover Art"), self)
        self.show_cover_art_action.setCheckable(True)
        if config.persist["view_cover_art"]:
            self.show_cover_art_action.setChecked(True)
        self.show_cover_art_action.triggered.connect(self.show_cover_art)

        self.search_action = QtGui.QAction(icontheme.lookup('system-search'), _(u"Search"), self)
        self.search_action.setEnabled(False)
        self.search_action.triggered.connect(self.search)

        self.cd_lookup_action = QtGui.QAction(icontheme.lookup('media-optical'), _(u"Lookup &CD..."), self)
        self.cd_lookup_action.setStatusTip(_(u"Lookup the details of the CD in your drive"))
        # TR: Keyboard shortcut for "Lookup CD"
        self.cd_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))
        self.cd_lookup_action.triggered.connect(self.tagger.lookup_cd)

        self.analyze_action = QtGui.QAction(icontheme.lookup('picard-analyze'), _(u"&Scan"), self)
        self.analyze_action.setStatusTip(_(u"Use AcoustID audio fingerprint to identify the files by the actual music, even if they have no metadata"))
        self.analyze_action.setEnabled(False)
        # TR: Keyboard shortcut for "Analyze"
        self.analyze_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Y")))
        self.analyze_action.triggered.connect(self.analyze)

        self.cluster_action = QtGui.QAction(icontheme.lookup('picard-cluster'), _(u"Cl&uster"), self)
        self.cluster_action.setStatusTip(_(u"Cluster files into album clusters"))
        self.cluster_action.setEnabled(False)
        # TR: Keyboard shortcut for "Cluster"
        self.cluster_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+U")))
        self.cluster_action.triggered.connect(self.cluster)

        self.autotag_action = QtGui.QAction(icontheme.lookup('picard-auto-tag'), _(u"&Lookup"), self)
        tip = _(u"Lookup selected items in MusicBrainz")
        self.autotag_action.setToolTip(tip)
        self.autotag_action.setStatusTip(tip)
        self.autotag_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup"
        self.autotag_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+L")))
        self.autotag_action.triggered.connect(self.autotag)

        self.view_info_action = QtGui.QAction(icontheme.lookup('picard-edit-tags'), _(u"&Info..."), self)
        self.view_info_action.setEnabled(False)
        # TR: Keyboard shortcut for "Info"
        self.view_info_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+I")))
        self.view_info_action.triggered.connect(self.view_info)

        self.refresh_action = QtGui.QAction(icontheme.lookup('view-refresh', icontheme.ICON_SIZE_MENU), _("&Refresh"), self)
        self.refresh_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+R")))
        self.refresh_action.triggered.connect(self.refresh)

        self.enable_renaming_action = QtGui.QAction(_(u"&Rename Files"), self)
        self.enable_renaming_action.setCheckable(True)
        self.enable_renaming_action.setChecked(config.setting["rename_files"])
        self.enable_renaming_action.triggered.connect(self.toggle_rename_files)

        self.enable_moving_action = QtGui.QAction(_(u"&Move Files"), self)
        self.enable_moving_action.setCheckable(True)
        self.enable_moving_action.setChecked(config.setting["move_files"])
        self.enable_moving_action.triggered.connect(self.toggle_move_files)

        self.enable_tag_saving_action = QtGui.QAction(_(u"Save &Tags"), self)
        self.enable_tag_saving_action.setCheckable(True)
        self.enable_tag_saving_action.setChecked(not config.setting["dont_write_tags"])
        self.enable_tag_saving_action.triggered.connect(self.toggle_tag_saving)

        self.tags_from_filenames_action = QtGui.QAction(_(u"Tags From &File Names..."), self)
        self.tags_from_filenames_action.triggered.connect(self.open_tags_from_filenames)
        self.tags_from_filenames_action.setEnabled(False)

        self.open_collection_in_browser_action = QtGui.QAction(_(u"&Open My Collections in Browser"), self)
        self.open_collection_in_browser_action.triggered.connect(self.open_collection_in_browser)
        self.open_collection_in_browser_action.setEnabled(config.setting["username"] != u'')

        self.view_log_action = QtGui.QAction(_(u"View Error/Debug &Log"), self)
        self.view_log_action.triggered.connect(self.show_log)

        self.view_history_action = QtGui.QAction(_(u"View Activity &History"), self)
        self.view_history_action.triggered.connect(self.show_history)

        xmlws_manager = self.tagger.xmlws.manager
        xmlws_manager.authenticationRequired.connect(self.show_password_dialog)
        xmlws_manager.proxyAuthenticationRequired.connect(self.show_proxy_dialog)

        self.play_file_action = QtGui.QAction(icontheme.lookup('play-music'), _(u"Open in &Player"), self)
        self.play_file_action.setStatusTip(_(u"Play the file in your default media player"))
        self.play_file_action.setEnabled(False)
        self.play_file_action.triggered.connect(self.play_file)

        self.open_folder_action = QtGui.QAction(icontheme.lookup('folder', icontheme.ICON_SIZE_MENU), _(u"Open Containing &Folder"), self)
        self.open_folder_action.setStatusTip(_(u"Open the containing folder in your file explorer"))
        self.open_folder_action.setEnabled(False)
        self.open_folder_action.triggered.connect(self.open_folder)

    def toggle_rename_files(self, checked):
        config.setting["rename_files"] = checked

    def toggle_move_files(self, checked):
        config.setting["move_files"] = checked

    def toggle_tag_saving(self, checked):
        config.setting["dont_write_tags"] = not checked

    def get_selected_or_unmatched_files(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        if not files:
            files = self.tagger.unmatched_files.files
        return files

    def open_tags_from_filenames(self):
        files = self.get_selected_or_unmatched_files()
        if files:
            dialog = TagsFromFileNamesDialog(files, self)
            dialog.exec_()

    def open_collection_in_browser(self):
        self.tagger.collection_lookup()

    def create_menus(self):
        menu = self.menuBar().addMenu(_(u"&File"))
        menu.addAction(self.add_directory_action)
        menu.addAction(self.add_files_action)
        menu.addSeparator()
        menu.addAction(self.play_file_action)
        menu.addAction(self.open_folder_action)
        menu.addSeparator()
        menu.addAction(self.save_action)
        menu.addAction(self.submit_action)
        menu.addSeparator()
        menu.addAction(self.exit_action)
        menu = self.menuBar().addMenu(_(u"&Edit"))
        menu.addAction(self.cut_action)
        menu.addAction(self.paste_action)
        menu.addSeparator()
        menu.addAction(self.view_info_action)
        menu.addAction(self.remove_action)
        menu = self.menuBar().addMenu(_(u"&View"))
        menu.addAction(self.show_file_browser_action)
        menu.addAction(self.show_cover_art_action)
        menu.addSeparator()
        menu.addAction(self.toolbar_toggle_action)
        menu.addAction(self.search_toolbar_toggle_action)
        menu = self.menuBar().addMenu(_(u"&Options"))
        menu.addAction(self.enable_renaming_action)
        menu.addAction(self.enable_moving_action)
        menu.addAction(self.enable_tag_saving_action)
        menu.addSeparator()
        menu.addAction(self.options_action)
        menu = self.menuBar().addMenu(_(u"&Tools"))
        menu.addAction(self.refresh_action)
        menu.addAction(self.cd_lookup_action)
        menu.addAction(self.autotag_action)
        menu.addAction(self.analyze_action)
        menu.addAction(self.cluster_action)
        menu.addAction(self.browser_lookup_action)
        menu.addSeparator()
        menu.addAction(self.tags_from_filenames_action)
        menu.addAction(self.open_collection_in_browser_action)
        self.menuBar().addSeparator()
        menu = self.menuBar().addMenu(_(u"&Help"))
        menu.addAction(self.help_action)
        menu.addSeparator()
        menu.addAction(self.view_history_action)
        menu.addSeparator()
        menu.addAction(self.support_forum_action)
        menu.addAction(self.report_bug_action)
        menu.addAction(self.view_log_action)
        menu.addSeparator()
        menu.addAction(self.donate_action)
        menu.addAction(self.about_action)

    def update_toolbar_style(self):
        if config.setting["toolbar_show_labels"]:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        else:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        self.cd_lookup_action.setEnabled(len(get_cdrom_drives()) > 0 and
                                         discid is not None)

    def create_toolbar(self):
        self.toolbar = toolbar = self.addToolBar(_(u"Actions"))
        self.toolbar_toggle_action = self.toolbar.toggleViewAction()
        self.update_toolbar_style()
        toolbar.setObjectName("main_toolbar")

        def add_toolbar_action(action):
            toolbar.addAction(action)
            widget = toolbar.widgetForAction(action)
            widget.setFocusPolicy(QtCore.Qt.TabFocus)
            widget.setAttribute(QtCore.Qt.WA_MacShowFocusRect)

        add_toolbar_action(self.add_directory_action)
        add_toolbar_action(self.add_files_action)
        toolbar.addSeparator()
        add_toolbar_action(self.play_file_action)
        toolbar.addSeparator()
        add_toolbar_action(self.save_action)
        add_toolbar_action(self.submit_action)
        toolbar.addSeparator()

        add_toolbar_action(self.cd_lookup_action)
        drives = get_cdrom_drives()
        if len(drives) > 1:
            self.cd_lookup_menu = QtGui.QMenu()
            for drive in drives:
                self.cd_lookup_menu.addAction(drive)
            self.cd_lookup_menu.triggered.connect(self.tagger.lookup_cd)
            button = toolbar.widgetForAction(self.cd_lookup_action)
            button.setPopupMode(QtGui.QToolButton.MenuButtonPopup)
            button.setMenu(self.cd_lookup_menu)

        add_toolbar_action(self.cluster_action)
        add_toolbar_action(self.autotag_action)
        add_toolbar_action(self.analyze_action)
        add_toolbar_action(self.view_info_action)
        add_toolbar_action(self.remove_action)
        add_toolbar_action(self.browser_lookup_action)

        self.search_toolbar = toolbar = self.addToolBar(_(u"Search"))
        self.search_toolbar_toggle_action = self.search_toolbar.toggleViewAction()
        toolbar.setObjectName("search_toolbar")
        search_panel = QtGui.QWidget(toolbar)
        hbox = QtGui.QHBoxLayout(search_panel)
        self.search_combo = QtGui.QComboBox(search_panel)
        self.search_combo.addItem(_(u"Album"), "album")
        self.search_combo.addItem(_(u"Artist"), "artist")
        self.search_combo.addItem(_(u"Track"), "track")
        hbox.addWidget(self.search_combo, 0)
        self.search_edit = ButtonLineEdit(search_panel)
        self.search_edit.returnPressed.connect(self.trigger_search_action)
        self.search_edit.textChanged.connect(self.enable_search)
        hbox.addWidget(self.search_edit, 0)
        self.search_button = QtGui.QToolButton(search_panel)
        self.search_button.setAutoRaise(True)
        self.search_button.setDefaultAction(self.search_action)
        self.search_button.setIconSize(QtCore.QSize(22, 22))
        self.search_button.setAttribute(QtCore.Qt.WA_MacShowFocusRect)
        hbox.addWidget(self.search_button)
        toolbar.addWidget(search_panel)

    def set_tab_order(self):
        tab_order = self.setTabOrder
        tw = self.toolbar.widgetForAction

        # toolbar
        tab_order(tw(self.add_directory_action), tw(self.add_files_action))
        tab_order(tw(self.add_files_action), tw(self.play_file_action))
        tab_order(tw(self.play_file_action), tw(self.save_action))
        tab_order(tw(self.save_action), tw(self.submit_action))
        tab_order(tw(self.submit_action), tw(self.cd_lookup_action))
        tab_order(tw(self.cd_lookup_action), tw(self.cluster_action))
        tab_order(tw(self.cluster_action), tw(self.autotag_action))
        tab_order(tw(self.autotag_action), tw(self.analyze_action))
        tab_order(tw(self.analyze_action), tw(self.view_info_action))
        tab_order(tw(self.view_info_action), tw(self.remove_action))
        tab_order(tw(self.remove_action), tw(self.browser_lookup_action))
        tab_order(tw(self.browser_lookup_action), self.search_combo)
        tab_order(self.search_combo, self.search_edit)
        tab_order(self.search_edit, self.search_button)
        # panels
        tab_order(self.search_button, self.file_browser)
        tab_order(self.file_browser, self.panel.views[0])
        tab_order(self.panel.views[0], self.panel.views[1])
        tab_order(self.panel.views[1], self.metadata_box)

    def enable_submit(self, enabled):
        """Enable/disable the 'Submit fingerprints' action."""
        self.submit_action.setEnabled(enabled)

    def enable_cluster(self, enabled):
        """Enable/disable the 'Cluster' action."""
        self.cluster_action.setEnabled(enabled)

    def enable_search(self):
        """Enable/disable the 'Search' action."""
        if self.search_edit.text():
            self.search_action.setEnabled(True)
        else:
            self.search_action.setEnabled(False)

    def trigger_search_action(self):
        if self.search_action.isEnabled():
            self.search_action.trigger()

    def search(self):
        """Search for album, artist or track on the MusicBrainz website."""
        text = self.search_edit.text()
        type = self.search_combo.itemData(self.search_combo.currentIndex())
        self.tagger.search(text, type, config.setting["use_adv_search_syntax"])

    def add_files(self):
        """Add files to the tagger."""
        current_directory = find_starting_directory()
        formats = []
        extensions = []
        for exts, name in supported_formats():
            exts = ["*" + e for e in exts]
            formats.append("%s (%s)" % (name, " ".join(exts)))
            extensions.extend(exts)
        formats.sort()
        extensions.sort()
        formats.insert(0, _("All Supported Formats") + " (%s)" % " ".join(extensions))
        files = QtGui.QFileDialog.getOpenFileNames(self, "", current_directory, u";;".join(formats))
        if files:
            files = map(unicode, files)
            config.persist["current_directory"] = os.path.dirname(files[0])
            self.tagger.add_files(files)

    def add_directory(self):
        """Add directory to the tagger."""
        current_directory = find_starting_directory()

        dir_list = []
        if not config.setting["toolbar_multiselect"]:
            directory = QtGui.QFileDialog.getExistingDirectory(self, "", current_directory)
            if directory:
                dir_list.append(directory)
        else:
            file_dialog = MultiDirsSelectDialog(self, "", current_directory)
            if file_dialog.exec_() == QtGui.QDialog.Accepted:
                dir_list = file_dialog.selectedFiles()

        dir_count = len(dir_list)
        if dir_count:
            parent = os.path.dirname(dir_list[0])
            config.persist["current_directory"] = parent
            if dir_count > 1:
                self.set_statusbar_message(
                    N_("Adding multiple directories from '%(directory)s' ..."),
                    {'directory': parent}
                )
            else:
                self.set_statusbar_message(
                    N_("Adding directory: '%(directory)s' ..."),
                    {'directory': dir_list[0]}
                )

            for directory in dir_list:
                self.tagger.add_directory(directory)

    def show_about(self):
        self.show_options("about")

    def show_options(self, page=None):
        dialog = OptionsDialog(page, self)
        dialog.exec_()

    def show_help(self):
        webbrowser2.goto('documentation')

    def show_log(self):
        self.logDialog.show()
        self.logDialog.raise_()
        self.logDialog.activateWindow()

    def show_history(self):
        self.historyDialog.show()
        self.historyDialog.raise_()
        self.historyDialog.activateWindow()

    def open_bug_report(self):
        webbrowser2.goto('troubleshooting')

    def open_support_forum(self):
        webbrowser2.goto('forum')

    def open_donation_page(self):
        webbrowser2.goto('donate')

    def save(self):
        """Tell the tagger to save the selected objects."""
        self.tagger.save(self.selected_objects)

    def remove(self):
        """Tell the tagger to remove the selected objects."""
        self.panel.remove(self.selected_objects)

    def analyze(self):
        if not config.setting['fingerprinting_system']:
            if self.show_analyze_settings_info():
                self.show_options("fingerprinting")
            if not config.setting['fingerprinting_system']:
                return
        return self.tagger.analyze(self.selected_objects)

    def play_file(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(file.filename)
            QtGui.QDesktopServices.openUrl(url)

    def open_folder(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(os.path.dirname(file.filename))
            QtGui.QDesktopServices.openUrl(url)

    def show_analyze_settings_info(self):
        ret = QtGui.QMessageBox.question(self,
            _(u"Configuration Required"),
            _(u"Audio fingerprinting is not yet configured. Would you like to configure it now?"),
            QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
            QtGui.QMessageBox.Yes)
        return ret == QtGui.QMessageBox.Yes

    def show_more_tracks(self):
        obj = self.selected_objects[0]
        if isinstance(obj, Track):
            obj = obj.linked_files[0]
        dialog = TrackSearchDialog(self)
        dialog.load_similar_tracks(obj)
        dialog.exec_()

    def show_more_albums(self):
        obj = self.selected_objects[0]
        dialog = AlbumSearchDialog(self)
        dialog.show_similar_albums(obj)
        dialog.exec_()

    def view_info(self):
        if isinstance(self.selected_objects[0], Album):
            album = self.selected_objects[0]
            dialog = AlbumInfoDialog(album, self)
        elif isinstance(self.selected_objects[0], Cluster):
            cluster = self.selected_objects[0]
            dialog = ClusterInfoDialog(cluster, self)
        else:
            file = self.tagger.get_files_from_objects(self.selected_objects)[0]
            dialog = FileInfoDialog(file, self)
        dialog.exec_()

    def cluster(self):
        self.tagger.cluster(self.selected_objects)
        self.update_actions()

    def refresh(self):
        self.tagger.refresh(self.selected_objects)

    def browser_lookup(self):
        self.tagger.browser_lookup(self.selected_objects[0])

    @throttle(100)
    def update_actions(self):
        can_remove = False
        can_save = False
        can_analyze = False
        can_refresh = False
        can_autotag = False
        single = self.selected_objects[0] if len(self.selected_objects) == 1 else None
        can_view_info = bool(single and single.can_view_info())
        can_browser_lookup = bool(single and single.can_browser_lookup())
        have_files = len(self.tagger.get_files_from_objects(self.selected_objects)) > 0
        for obj in self.selected_objects:
            if obj is None:
                continue
            if obj.can_analyze():
                can_analyze = True
            if obj.can_save():
                can_save = True
            if obj.can_remove():
                can_remove = True
            if obj.can_refresh():
                can_refresh = True
            if obj.can_autotag():
                can_autotag = True
            # Skip further loops if all values now True.
            if can_analyze and can_save and can_remove and can_refresh and can_autotag:
                break
        self.remove_action.setEnabled(can_remove)
        self.save_action.setEnabled(can_save)
        self.view_info_action.setEnabled(can_view_info)
        self.analyze_action.setEnabled(can_analyze)
        self.refresh_action.setEnabled(can_refresh)
        self.autotag_action.setEnabled(can_autotag)
        self.browser_lookup_action.setEnabled(can_browser_lookup)
        self.play_file_action.setEnabled(have_files)
        self.open_folder_action.setEnabled(have_files)
        self.cut_action.setEnabled(bool(self.selected_objects))
        files = self.get_selected_or_unmatched_files()
        self.tags_from_filenames_action.setEnabled(bool(files))

    def update_selection(self, objects=None):
        if self.ignore_selection_changes:
            return

        if objects is not None:
            self.selected_objects = objects
        else:
            objects = self.selected_objects

        self.update_actions()

        metadata = None
        obj = None

        if len(objects) == 1:
            obj = list(objects)[0]
            if isinstance(obj, File):
                metadata = obj.metadata
                if obj.state == obj.ERROR:
                    msg = N_("%(filename)s (error: %(error)s)")
                    mparms = {
                        'filename': obj.filename,
                        'error': obj.error
                    }
                else:
                    msg = N_("%(filename)s")
                    mparms = {
                        'filename': obj.filename,
                    }
                self.set_statusbar_message(msg, mparms, echo=None, history=None)
            elif isinstance(obj, Track):
                metadata = obj.metadata
                if obj.num_linked_files == 1:
                    file = obj.linked_files[0]
                    if file.state == File.ERROR:
                        msg = N_("%(filename)s (%(similarity)d%%) (error: %(error)s)")
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                            'error': file.error
                        }
                    else:
                        msg = N_("%(filename)s (%(similarity)d%%)")
                        mparms = {
                            'filename': file.filename,
                            'similarity': file.similarity * 100,
                        }
                    self.set_statusbar_message(msg, mparms, echo=None,
                                               history=None)
            elif obj.can_edit_tags():
                metadata = obj.metadata

        self.metadata_box.selection_dirty = True
        self.metadata_box.update()
        self.cover_art_box.set_metadata(metadata, obj)
        self.selection_updated.emit(objects)

    def show_cover_art(self):
        """Show/hide the cover art box."""
        if self.show_cover_art_action.isChecked():
            self.cover_art_box.show()
        else:
            self.cover_art_box.hide()

    def show_file_browser(self):
        """Show/hide the file browser."""
        if self.show_file_browser_action.isChecked():
            sizes = self.panel.sizes()
            if sizes[0] == 0:
                sizes[0] = sum(sizes) / 4
                self.panel.setSizes(sizes)
            self.file_browser.show()
        else:
            self.file_browser.hide()

    def show_password_dialog(self, reply, authenticator):
        if reply.url().host() == config.setting['server_host']:
            ret = QtGui.QMessageBox.question(self,
                _(u"Authentication Required"),
                _(u"Picard needs authorization to access your personal data on the MusicBrainz server. Would you like to log in now?"),
                QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
                QtGui.QMessageBox.Yes)
            if ret == QtGui.QMessageBox.Yes:
                pass
        else:
            dialog = PasswordDialog(authenticator, reply, parent=self)
            dialog.exec_()

    def show_proxy_dialog(self, proxy, authenticator):
        dialog = ProxyDialog(authenticator, proxy, parent=self)
        dialog.exec_()

    def autotag(self):
        self.tagger.autotag(self.selected_objects)

    def cut(self):
        self._clipboard = self.selected_objects
        self.paste_action.setEnabled(bool(self._clipboard))

    def paste(self):
        selected_objects = self.selected_objects
        if not selected_objects:
            target = self.tagger.unmatched_files
        else:
            target = selected_objects[0]
        self.tagger.move_files(self.tagger.get_files_from_objects(self._clipboard), target)
        self._clipboard = []
        self.paste_action.setEnabled(False)
Esempio n. 7
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class MainWindow(QtGui.QMainWindow):

    options = [
        config.Option("persist", "window_state", QtCore.QByteArray(),
                      QtCore.QVariant.toByteArray),
        config.Option("persist", "window_position", QtCore.QPoint(),
                      QtCore.QVariant.toPoint),
        config.Option("persist", "window_size", QtCore.QSize(780, 560),
                      QtCore.QVariant.toSize),
        config.Option("persist", "bottom_splitter_state", QtCore.QByteArray(),
                      QtCore.QVariant.toByteArray),
        config.BoolOption("persist", "window_maximized", False),
        config.BoolOption("persist", "view_cover_art", False),
        config.BoolOption("persist", "view_file_browser", False),
        config.TextOption("persist", "current_directory", ""),
    ]

    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent)
        self.selected_objects = []
        self.ignore_selection_changes = False
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(_("MusicBrainz Picard"))
        icon = QtGui.QIcon()
        icon.addFile(":/images/16x16/picard.png", QtCore.QSize(16, 16))
        icon.addFile(":/images/24x24/picard.png", QtCore.QSize(24, 24))
        icon.addFile(":/images/32x32/picard.png", QtCore.QSize(32, 32))
        icon.addFile(":/images/48x48/picard.png", QtCore.QSize(48, 48))
        icon.addFile(":/images/128x128/picard.png", QtCore.QSize(128, 128))
        icon.addFile(":/images/256x256/picard.png", QtCore.QSize(256, 256))
        self.setWindowIcon(icon)

        self.create_actions()
        self.create_statusbar()
        self.create_toolbar()
        self.create_menus()

        mainLayout = QtGui.QSplitter(QtCore.Qt.Vertical)
        mainLayout.setContentsMargins(0, 0, 0, 0)
        mainLayout.setHandleWidth(1)

        self.panel = MainPanel(self, mainLayout)
        self.file_browser = FileBrowser(self.panel)
        if not self.show_file_browser_action.isChecked():
            self.file_browser.hide()
        self.panel.insertWidget(0, self.file_browser)
        self.panel.restore_state()

        self.metadata_box = MetadataBox(self)
        self.cover_art_box = CoverArtBox(self)
        if not self.show_cover_art_action.isChecked():
            self.cover_art_box.hide()

        bottomLayout = QtGui.QHBoxLayout()
        bottomLayout.setContentsMargins(0, 0, 0, 0)
        bottomLayout.setSpacing(0)
        bottomLayout.addWidget(self.metadata_box, 1)
        bottomLayout.addWidget(self.cover_art_box, 0)
        bottom = QtGui.QWidget()
        bottom.setLayout(bottomLayout)

        mainLayout.addWidget(self.panel)
        mainLayout.addWidget(bottom)
        self.setCentralWidget(mainLayout)

        # accessibility
        self.set_tab_order()

        # FIXME: use QApplication's clipboard
        self._clipboard = []

        for function in ui_init:
            function(self)

    def keyPressEvent(self, event):
        if event.matches(QtGui.QKeySequence.Delete):
            if self.metadata_box.hasFocus():
                self.metadata_box.remove_selected_tags()
            else:
                self.remove()
        else:
            QtGui.QMainWindow.keyPressEvent(self, event)

    def show(self):
        self.restoreWindowState()
        QtGui.QMainWindow.show(self)
        self.metadata_box.restore_state()

    def closeEvent(self, event):
        if config.setting[
                "quit_confirmation"] and not self.show_quit_confirmation():
            event.ignore()
            return
        self.saveWindowState()
        event.accept()

    def show_quit_confirmation(self):
        unsaved_files = sum(a.get_num_unsaved_files()
                            for a in self.tagger.albums.itervalues())
        QMessageBox = QtGui.QMessageBox

        if unsaved_files > 0:
            msg = QMessageBox(self)
            msg.setIcon(QMessageBox.Question)
            msg.setWindowModality(QtCore.Qt.WindowModal)
            msg.setWindowTitle(_(u"Unsaved Changes"))
            msg.setText(_(u"Are you sure you want to quit Picard?"))
            txt = ungettext(
                "There is %d unsaved file. Closing Picard will lose all unsaved changes.",
                "There are %d unsaved files. Closing Picard will lose all unsaved changes.",
                unsaved_files) % unsaved_files
            msg.setInformativeText(txt)
            cancel = msg.addButton(QMessageBox.Cancel)
            msg.setDefaultButton(cancel)
            msg.addButton(_(u"&Quit Picard"), QMessageBox.YesRole)
            ret = msg.exec_()

            if ret == QMessageBox.Cancel:
                return False

        return True

    def saveWindowState(self):
        config.persist["window_state"] = self.saveState()
        isMaximized = int(self.windowState()) & QtCore.Qt.WindowMaximized != 0
        if isMaximized:
            # FIXME: this doesn't include the window frame
            geom = self.normalGeometry()
            config.persist["window_position"] = geom.topLeft()
            config.persist["window_size"] = geom.size()
        else:
            pos = self.pos()
            if not pos.isNull():
                config.persist["window_position"] = pos
            config.persist["window_size"] = self.size()
        config.persist["window_maximized"] = isMaximized
        config.persist[
            "view_cover_art"] = self.show_cover_art_action.isChecked()
        config.persist[
            "view_file_browser"] = self.show_file_browser_action.isChecked()
        config.persist["bottom_splitter_state"] = self.centralWidget(
        ).saveState()
        self.file_browser.save_state()
        self.panel.save_state()
        self.metadata_box.save_state()

    def restoreWindowState(self):
        self.restoreState(config.persist["window_state"])
        pos = config.persist["window_position"]
        size = config.persist["window_size"]
        self._desktopgeo = self.tagger.desktop().screenGeometry()
        if (pos.x() > 0 and pos.y() > 0
                and pos.x() + size.width() < self._desktopgeo.width()
                and pos.y() + size.height() < self._desktopgeo.height()):
            self.move(pos)
        if size.width() <= 0 or size.height() <= 0:
            size = QtCore.QSize(780, 560)
        self.resize(size)
        if config.persist["window_maximized"]:
            self.setWindowState(QtCore.Qt.WindowMaximized)
        bottom_splitter_state = config.persist["bottom_splitter_state"]
        if bottom_splitter_state.isEmpty():
            self.centralWidget().setSizes([366, 194])
        else:
            self.centralWidget().restoreState(bottom_splitter_state)
        self.file_browser.restore_state()

    def create_statusbar(self):
        """Creates a new status bar."""
        self.statusBar().showMessage(_("Ready"))
        self.infostatus = InfoStatus(self)
        self.listening_label = QtGui.QLabel()
        self.listening_label.setVisible(False)
        self.listening_label.setToolTip(
            _("Picard listens on a port to integrate with your browser and downloads release"
              " information when you click the \"Tagger\" buttons on the MusicBrainz website"
              ))
        self.statusBar().addPermanentWidget(self.infostatus)
        self.statusBar().addPermanentWidget(self.listening_label)
        self.tagger.tagger_stats_changed.connect(self.update_statusbar_stats)
        self.tagger.listen_port_changed.connect(
            self.update_statusbar_listen_port)
        self.update_statusbar_stats()

    @throttle(250)
    def update_statusbar_stats(self):
        """Updates the status bar information."""
        self.infostatus.setFiles(len(self.tagger.files))
        self.infostatus.setAlbums(len(self.tagger.albums))
        self.infostatus.setPendingFiles(File.num_pending_files)
        ws = self.tagger.xmlws
        self.infostatus.setPendingRequests(
            max(ws.num_pending_web_requests, ws.num_active_requests))

    def update_statusbar_listen_port(self, listen_port):
        if listen_port:
            self.listening_label.setVisible(True)
            self.listening_label.setText(
                _(" Listening on port %(port)d ") % {"port": listen_port})
        else:
            self.listening_label.setVisible(False)

    def set_statusbar_message(self, message, *args, **kwargs):
        """Set the status bar message."""
        if message:
            try:
                log.debug(repr(message.replace('%%s', '%%r')), *args)
            except:
                pass
            if args:
                message = _(message) % args
            else:
                message = _(message)
            log.history_info(message)
        thread.to_main(self.statusBar().showMessage, message,
                       kwargs.get("timeout", 0))

    def _on_submit(self):
        if self.tagger.use_acoustid:
            if not config.setting["acoustid_apikey"]:
                QtGui.QMessageBox.warning(
                    self, _(u"Submission Error"),
                    _(u"You need to configure your AcoustID API key before you can submit fingerprints."
                      ))
            else:
                self.tagger.acoustidmanager.submit()

    def create_actions(self):
        self.options_action = QtGui.QAction(
            icontheme.lookup('preferences-desktop'), _("&Options..."), self)
        self.options_action.setMenuRole(QtGui.QAction.PreferencesRole)
        self.options_action.triggered.connect(self.show_options)

        self.cut_action = QtGui.QAction(
            icontheme.lookup('edit-cut', icontheme.ICON_SIZE_MENU), _(u"&Cut"),
            self)
        self.cut_action.setShortcut(QtGui.QKeySequence.Cut)
        self.cut_action.setEnabled(False)
        self.cut_action.triggered.connect(self.cut)

        self.paste_action = QtGui.QAction(
            icontheme.lookup('edit-paste', icontheme.ICON_SIZE_MENU),
            _(u"&Paste"), self)
        self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
        self.paste_action.setEnabled(False)
        self.paste_action.triggered.connect(self.paste)

        self.help_action = QtGui.QAction(_("&Help..."), self)

        self.help_action.setShortcut(QtGui.QKeySequence.HelpContents)
        self.help_action.triggered.connect(self.show_help)

        self.about_action = QtGui.QAction(_("&About..."), self)
        self.about_action.setMenuRole(QtGui.QAction.AboutRole)
        self.about_action.triggered.connect(self.show_about)

        self.donate_action = QtGui.QAction(_("&Donate..."), self)
        self.donate_action.triggered.connect(self.open_donation_page)

        self.report_bug_action = QtGui.QAction(_("&Report a Bug..."), self)
        self.report_bug_action.triggered.connect(self.open_bug_report)

        self.support_forum_action = QtGui.QAction(_("&Support Forum..."), self)
        self.support_forum_action.triggered.connect(self.open_support_forum)

        self.add_files_action = QtGui.QAction(
            icontheme.lookup('document-open'), _(u"&Add Files..."), self)
        self.add_files_action.setStatusTip(_(u"Add files to the tagger"))
        # TR: Keyboard shortcut for "Add Files..."
        self.add_files_action.setShortcut(QtGui.QKeySequence.Open)
        self.add_files_action.triggered.connect(self.add_files)

        self.add_directory_action = QtGui.QAction(icontheme.lookup('folder'),
                                                  _(u"A&dd Folder..."), self)
        self.add_directory_action.setStatusTip(
            _(u"Add a folder to the tagger"))
        # TR: Keyboard shortcut for "Add Directory..."
        self.add_directory_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+D")))
        self.add_directory_action.triggered.connect(self.add_directory)

        self.save_action = QtGui.QAction(icontheme.lookup('document-save'),
                                         _(u"&Save"), self)
        self.save_action.setStatusTip(_(u"Save selected files"))
        # TR: Keyboard shortcut for "Save"
        self.save_action.setShortcut(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.save)

        self.submit_action = QtGui.QAction(icontheme.lookup('picard-submit'),
                                           _(u"S&ubmit"), self)
        self.submit_action.setStatusTip(_(u"Submit fingerprints"))
        self.submit_action.setEnabled(False)
        self.submit_action.triggered.connect(self._on_submit)

        self.exit_action = QtGui.QAction(_(u"E&xit"), self)
        self.exit_action.setMenuRole(QtGui.QAction.QuitRole)
        # TR: Keyboard shortcut for "Exit"
        self.exit_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Q")))
        self.exit_action.triggered.connect(self.close)

        self.remove_action = QtGui.QAction(icontheme.lookup('list-remove'),
                                           _(u"&Remove"), self)
        self.remove_action.setStatusTip(_(u"Remove selected files/albums"))
        self.remove_action.setEnabled(False)
        self.remove_action.triggered.connect(self.remove)

        self.browser_lookup_action = QtGui.QAction(
            icontheme.lookup('lookup-musicbrainz'), _(u"Lookup in &Browser"),
            self)
        self.browser_lookup_action.setStatusTip(
            _(u"Lookup selected item on MusicBrainz website"))
        self.browser_lookup_action.setEnabled(False)
        self.browser_lookup_action.triggered.connect(self.browser_lookup)

        self.show_file_browser_action = QtGui.QAction(_(u"File &Browser"),
                                                      self)
        self.show_file_browser_action.setCheckable(True)
        if config.persist["view_file_browser"]:
            self.show_file_browser_action.setChecked(True)
        self.show_file_browser_action.setShortcut(
            QtGui.QKeySequence(_(u"Ctrl+B")))
        self.show_file_browser_action.triggered.connect(self.show_file_browser)

        self.show_cover_art_action = QtGui.QAction(_(u"&Cover Art"), self)
        self.show_cover_art_action.setCheckable(True)
        if config.persist["view_cover_art"]:
            self.show_cover_art_action.setChecked(True)
        self.show_cover_art_action.triggered.connect(self.show_cover_art)

        self.search_action = QtGui.QAction(icontheme.lookup('system-search'),
                                           _(u"Search"), self)
        self.search_action.triggered.connect(self.search)

        self.cd_lookup_action = QtGui.QAction(
            icontheme.lookup('media-optical'), _(u"&CD Lookup..."), self)
        self.cd_lookup_action.setToolTip(_(u"Lookup CD"))
        self.cd_lookup_action.setStatusTip(_(u"Lookup CD"))
        # TR: Keyboard shortcut for "Lookup CD"
        self.cd_lookup_action.setShortcut(QtGui.QKeySequence(_("Ctrl+K")))
        self.cd_lookup_action.triggered.connect(self.tagger.lookup_cd)

        self.analyze_action = QtGui.QAction(icontheme.lookup('picard-analyze'),
                                            _(u"&Scan"), self)
        self.analyze_action.setEnabled(False)
        # TR: Keyboard shortcut for "Analyze"
        self.analyze_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+Y")))
        self.analyze_action.triggered.connect(self.analyze)

        self.cluster_action = QtGui.QAction(icontheme.lookup('picard-cluster'),
                                            _(u"Cl&uster"), self)
        self.cluster_action.setEnabled(False)
        # TR: Keyboard shortcut for "Cluster"
        self.cluster_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+U")))
        self.cluster_action.triggered.connect(self.cluster)

        self.autotag_action = QtGui.QAction(
            icontheme.lookup('picard-auto-tag'), _(u"&Lookup"), self)
        self.autotag_action.setToolTip(_(u"Lookup metadata"))
        self.autotag_action.setStatusTip(_(u"Lookup metadata"))
        self.autotag_action.setEnabled(False)
        # TR: Keyboard shortcut for "Lookup"
        self.autotag_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+L")))
        self.autotag_action.triggered.connect(self.autotag)

        self.view_info_action = QtGui.QAction(
            icontheme.lookup('picard-edit-tags'), _(u"&Info..."), self)
        self.view_info_action.setEnabled(False)
        # TR: Keyboard shortcut for "Info"
        self.view_info_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+I")))
        self.view_info_action.triggered.connect(self.view_info)

        self.refresh_action = QtGui.QAction(
            icontheme.lookup('view-refresh', icontheme.ICON_SIZE_MENU),
            _("&Refresh"), self)
        self.refresh_action.setShortcut(QtGui.QKeySequence(_(u"Ctrl+R")))
        self.refresh_action.triggered.connect(self.refresh)

        self.enable_renaming_action = QtGui.QAction(_(u"&Rename Files"), self)
        self.enable_renaming_action.setCheckable(True)
        self.enable_renaming_action.setChecked(config.setting["rename_files"])
        self.enable_renaming_action.triggered.connect(self.toggle_rename_files)

        self.enable_moving_action = QtGui.QAction(_(u"&Move Files"), self)
        self.enable_moving_action.setCheckable(True)
        self.enable_moving_action.setChecked(config.setting["move_files"])
        self.enable_moving_action.triggered.connect(self.toggle_move_files)

        self.enable_tag_saving_action = QtGui.QAction(_(u"Save &Tags"), self)
        self.enable_tag_saving_action.setCheckable(True)
        self.enable_tag_saving_action.setChecked(
            not config.setting["dont_write_tags"])
        self.enable_tag_saving_action.triggered.connect(self.toggle_tag_saving)

        self.tags_from_filenames_action = QtGui.QAction(
            _(u"Tags From &File Names..."), self)
        self.tags_from_filenames_action.triggered.connect(
            self.open_tags_from_filenames)

        self.view_log_action = QtGui.QAction(_(u"View &Log..."), self)
        self.view_log_action.triggered.connect(self.show_log)

        self.view_history_action = QtGui.QAction(_(u"View Status &History..."),
                                                 self)
        self.view_history_action.triggered.connect(self.show_history)

        xmlws_manager = self.tagger.xmlws.manager
        xmlws_manager.authenticationRequired.connect(self.show_password_dialog)
        xmlws_manager.proxyAuthenticationRequired.connect(
            self.show_proxy_dialog)

        self.open_file_action = QtGui.QAction(_(u"&Open..."), self)
        self.open_file_action.setStatusTip(_(u"Open the file"))
        self.open_file_action.triggered.connect(self.open_file)

        self.open_folder_action = QtGui.QAction(_(u"Open &Folder..."), self)
        self.open_folder_action.setStatusTip(_(u"Open the containing folder"))
        self.open_folder_action.triggered.connect(self.open_folder)

    def toggle_rename_files(self, checked):
        config.setting["rename_files"] = checked

    def toggle_move_files(self, checked):
        config.setting["move_files"] = checked

    def toggle_tag_saving(self, checked):
        config.setting["dont_write_tags"] = not checked

    def open_tags_from_filenames(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        if not files:
            files = self.tagger.unmatched_files.files
        if files:
            dialog = TagsFromFileNamesDialog(files, self)
            dialog.exec_()

    def create_menus(self):
        menu = self.menuBar().addMenu(_(u"&File"))
        menu.addAction(self.add_files_action)
        menu.addAction(self.add_directory_action)
        menu.addSeparator()
        menu.addAction(self.save_action)
        menu.addAction(self.submit_action)
        menu.addSeparator()
        menu.addAction(self.exit_action)
        menu = self.menuBar().addMenu(_(u"&Edit"))
        menu.addAction(self.cut_action)
        menu.addAction(self.paste_action)
        menu.addSeparator()
        menu.addAction(self.view_info_action)
        menu.addAction(self.remove_action)
        menu = self.menuBar().addMenu(_(u"&View"))
        menu.addAction(self.show_file_browser_action)
        menu.addAction(self.show_cover_art_action)
        menu.addSeparator()
        menu.addAction(self.toolbar.toggleViewAction())
        menu.addAction(self.search_toolbar.toggleViewAction())
        menu.addSeparator()
        menu.addAction(self.refresh_action)
        menu = self.menuBar().addMenu(_(u"&Options"))
        menu.addAction(self.enable_renaming_action)
        menu.addAction(self.enable_moving_action)
        menu.addAction(self.enable_tag_saving_action)
        menu.addSeparator()
        menu.addAction(self.options_action)
        menu = self.menuBar().addMenu(_(u"&Tools"))
        menu.addAction(self.cd_lookup_action)
        menu.addAction(self.autotag_action)
        menu.addAction(self.analyze_action)
        menu.addAction(self.cluster_action)
        menu.addAction(self.browser_lookup_action)
        menu.addSeparator()
        menu.addAction(self.tags_from_filenames_action)
        self.menuBar().addSeparator()
        menu = self.menuBar().addMenu(_(u"&Help"))
        menu.addAction(self.help_action)
        menu.addSeparator()
        menu.addAction(self.support_forum_action)
        menu.addAction(self.report_bug_action)
        menu.addAction(self.view_log_action)
        menu.addAction(self.view_history_action)
        menu.addSeparator()
        menu.addAction(self.donate_action)
        menu.addAction(self.about_action)

    def update_toolbar_style(self):
        if config.setting["toolbar_show_labels"]:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
        else:
            self.toolbar.setToolButtonStyle(QtCore.Qt.ToolButtonIconOnly)
        self.cd_lookup_action.setEnabled(
            len(get_cdrom_drives()) > 0 and discid is not None)

    def create_toolbar(self):
        self.toolbar = toolbar = self.addToolBar(_(u"Actions"))
        self.update_toolbar_style()
        toolbar.setObjectName("main_toolbar")

        def add_toolbar_action(action):
            toolbar.addAction(action)
            widget = toolbar.widgetForAction(action)
            widget.setFocusPolicy(QtCore.Qt.TabFocus)
            widget.setAttribute(QtCore.Qt.WA_MacShowFocusRect)

        add_toolbar_action(self.add_files_action)
        add_toolbar_action(self.add_directory_action)
        toolbar.addSeparator()
        add_toolbar_action(self.save_action)
        add_toolbar_action(self.submit_action)
        toolbar.addSeparator()

        add_toolbar_action(self.cd_lookup_action)
        drives = get_cdrom_drives()
        if len(drives) > 1:
            self.cd_lookup_menu = QtGui.QMenu()
            for drive in drives:
                self.cd_lookup_menu.addAction(drive)
            self.cd_lookup_menu.triggered.connect(self.tagger.lookup_cd)
            button = toolbar.widgetForAction(self.cd_lookup_action)
            button.setPopupMode(QtGui.QToolButton.MenuButtonPopup)
            button.setMenu(self.cd_lookup_menu)

        add_toolbar_action(self.cluster_action)
        add_toolbar_action(self.autotag_action)
        add_toolbar_action(self.analyze_action)
        add_toolbar_action(self.view_info_action)
        add_toolbar_action(self.remove_action)
        add_toolbar_action(self.browser_lookup_action)
        self.search_toolbar = toolbar = self.addToolBar(_(u"Search"))
        toolbar.setObjectName("search_toolbar")
        search_panel = QtGui.QWidget(toolbar)
        hbox = QtGui.QHBoxLayout(search_panel)
        self.search_combo = QtGui.QComboBox(search_panel)
        self.search_combo.addItem(_(u"Album"), QtCore.QVariant("album"))
        self.search_combo.addItem(_(u"Artist"), QtCore.QVariant("artist"))
        self.search_combo.addItem(_(u"Track"), QtCore.QVariant("track"))
        hbox.addWidget(self.search_combo, 0)
        self.search_edit = QtGui.QLineEdit(search_panel)
        self.search_edit.returnPressed.connect(self.search)
        hbox.addWidget(self.search_edit, 0)
        self.search_button = QtGui.QToolButton(search_panel)
        self.search_button.setAutoRaise(True)
        self.search_button.setDefaultAction(self.search_action)
        self.search_button.setIconSize(QtCore.QSize(22, 22))
        self.search_button.setAttribute(QtCore.Qt.WA_MacShowFocusRect)
        hbox.addWidget(self.search_button)
        toolbar.addWidget(search_panel)

    def set_tab_order(self):
        tab_order = self.setTabOrder
        tw = self.toolbar.widgetForAction

        # toolbar
        tab_order(tw(self.add_files_action), tw(self.add_directory_action))
        tab_order(tw(self.add_directory_action), tw(self.save_action))
        tab_order(tw(self.save_action), tw(self.submit_action))
        tab_order(tw(self.submit_action), tw(self.cd_lookup_action))
        tab_order(tw(self.cd_lookup_action), tw(self.cluster_action))
        tab_order(tw(self.cluster_action), tw(self.autotag_action))
        tab_order(tw(self.autotag_action), tw(self.analyze_action))
        tab_order(tw(self.analyze_action), tw(self.view_info_action))
        tab_order(tw(self.view_info_action), tw(self.remove_action))
        tab_order(tw(self.remove_action), tw(self.browser_lookup_action))
        tab_order(tw(self.browser_lookup_action), self.search_combo)
        tab_order(self.search_combo, self.search_edit)
        tab_order(self.search_edit, self.search_button)
        # panels
        tab_order(self.search_button, self.file_browser)
        tab_order(self.file_browser, self.panel.views[0])
        tab_order(self.panel.views[0], self.panel.views[1])
        tab_order(self.panel.views[1], self.metadata_box)

    def enable_submit(self, enabled):
        """Enable/disable the 'Submit fingerprints' action."""
        self.submit_action.setEnabled(enabled)

    def enable_cluster(self, enabled):
        """Enable/disable the 'Cluster' action."""
        self.cluster_action.setEnabled(enabled)

    def search(self):
        """Search for album, artist or track on the MusicBrainz website."""
        text = unicode(self.search_edit.text())
        type = unicode(
            self.search_combo.itemData(
                self.search_combo.currentIndex()).toString())
        self.tagger.search(text, type, config.setting["use_adv_search_syntax"])

    def add_files(self):
        """Add files to the tagger."""
        current_directory = config.persist[
            "current_directory"] or QtCore.QDir.homePath()
        current_directory = find_existing_path(unicode(current_directory))
        formats = []
        extensions = []
        for exts, name in supported_formats():
            exts = ["*" + e for e in exts]
            formats.append("%s (%s)" % (name, " ".join(exts)))
            extensions.extend(exts)
        formats.sort()
        extensions.sort()
        formats.insert(
            0,
            _("All Supported Formats") + " (%s)" % " ".join(extensions))
        files = QtGui.QFileDialog.getOpenFileNames(self, "", current_directory,
                                                   u";;".join(formats))
        if files:
            files = map(unicode, files)
            config.persist["current_directory"] = os.path.dirname(files[0])
            self.tagger.add_files(files)

    def add_directory(self):
        """Add directory to the tagger."""
        current_directory = config.persist[
            "current_directory"] or QtCore.QDir.homePath()
        current_directory = find_existing_path(unicode(current_directory))

        dir_list = []
        if not config.setting["toolbar_multiselect"]:
            directory = QtGui.QFileDialog.getExistingDirectory(
                self, "", current_directory)
            if directory:
                dir_list.append(directory)
        else:
            # Use a custom file selection dialog to allow the selection of multiple directories
            file_dialog = QtGui.QFileDialog(self, "", current_directory)
            file_dialog.setFileMode(QtGui.QFileDialog.DirectoryOnly)
            if sys.platform == "darwin":  # The native dialog doesn't allow selecting >1 directory
                file_dialog.setOption(QtGui.QFileDialog.DontUseNativeDialog)
            tree_view = file_dialog.findChild(QtGui.QTreeView)
            tree_view.setSelectionMode(
                QtGui.QAbstractItemView.ExtendedSelection)
            list_view = file_dialog.findChild(QtGui.QListView, "listView")
            list_view.setSelectionMode(
                QtGui.QAbstractItemView.ExtendedSelection)

            if file_dialog.exec_() == QtGui.QDialog.Accepted:
                dir_list = file_dialog.selectedFiles()

        if len(dir_list) == 1:
            config.persist["current_directory"] = dir_list[0]
        elif len(dir_list) > 1:
            (parent, dir) = os.path.split(str(dir_list[0]))
            config.persist["current_directory"] = parent

        for directory in dir_list:
            directory = unicode(directory)
            self.tagger.add_directory(directory)

    def show_about(self):
        self.show_options("about")

    def show_options(self, page=None):
        dialog = OptionsDialog(page, self)
        dialog.exec_()

    def show_help(self):
        webbrowser2.open("http://musicbrainz.org/doc/Picard_Documentation")

    def show_log(self):
        from picard.ui.logview import LogView
        LogView(self).show()

    def show_history(self):
        from picard.ui.logview import HistoryView
        HistoryView(self).show()

    def confirm_va_removal(self):
        return QtGui.QMessageBox.question(
            self, _("Various Artists file naming scheme removal"),
            _("""The separate file naming scheme for various artists albums has been
removed in this version of Picard. You currently do not use the this option,
but have a separate file naming scheme defined. Do you want to remove it or
merge it with your file naming scheme for single artist albums?"""),
            _("Merge"), _("Remove"))

    def show_va_removal_notice(self):
        QtGui.QMessageBox.information(
            self, _("Various Artists file naming scheme removal"),
            _("""The separate file naming scheme for various artists albums has been
removed in this version of Picard. Your file naming scheme has automatically
been merged with that of single artist albums."""), QtGui.QMessageBox.Ok)

    def open_bug_report(self):
        webbrowser2.open("http://musicbrainz.org/doc/Picard_Troubleshooting")

    def open_support_forum(self):
        webbrowser2.open("http://forums.musicbrainz.org/viewforum.php?id=2")

    def open_donation_page(self):
        webbrowser2.open('http://metabrainz.org/donate')

    def save(self):
        """Tell the tagger to save the selected objects."""
        self.tagger.save(self.selected_objects)

    def remove(self):
        """Tell the tagger to remove the selected objects."""
        self.panel.remove(self.selected_objects)

    def analyze(self):
        if not config.setting['fingerprinting_system']:
            if self.show_analyze_settings_info():
                self.show_options("fingerprinting")
            if not config.setting['fingerprinting_system']:
                return
        return self.tagger.analyze(self.selected_objects)

    def open_file(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(file.filename)
            QtGui.QDesktopServices.openUrl(url)

    def open_folder(self):
        files = self.tagger.get_files_from_objects(self.selected_objects)
        for file in files:
            url = QtCore.QUrl.fromLocalFile(os.path.dirname(file.filename))
            QtGui.QDesktopServices.openUrl(url)

    def show_analyze_settings_info(self):
        ret = QtGui.QMessageBox.question(
            self, _(u"Configuration Required"),
            _(u"Audio fingerprinting is not yet configured. Would you like to configure it now?"
              ), QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
            QtGui.QMessageBox.Yes)
        return ret == QtGui.QMessageBox.Yes

    def view_info(self):
        if isinstance(self.selected_objects[0], Album):
            album = self.selected_objects[0]
            dialog = AlbumInfoDialog(album, self)
        else:
            file = self.tagger.get_files_from_objects(self.selected_objects)[0]
            dialog = FileInfoDialog(file, self)
        dialog.exec_()

    def cluster(self):
        self.tagger.cluster(self.selected_objects)

    def refresh(self):
        self.tagger.refresh(self.selected_objects)

    def browser_lookup(self):
        self.tagger.browser_lookup(self.selected_objects[0])

    @throttle(100)
    def update_actions(self):
        can_remove = False
        can_save = False
        can_analyze = False
        can_refresh = False
        can_autotag = False
        single = self.selected_objects[0] if len(
            self.selected_objects) == 1 else None
        can_view_info = bool(single and single.can_view_info())
        can_browser_lookup = bool(single and single.can_browser_lookup())
        for obj in self.selected_objects:
            if obj is None:
                continue
            if obj.can_analyze():
                can_analyze = True
            if obj.can_save():
                can_save = True
            if obj.can_remove():
                can_remove = True
            if obj.can_refresh():
                can_refresh = True
            if obj.can_autotag():
                can_autotag = True
            if can_save and can_remove and can_refresh and can_autotag:
                break
        self.remove_action.setEnabled(can_remove)
        self.save_action.setEnabled(can_save)
        self.view_info_action.setEnabled(can_view_info)
        self.analyze_action.setEnabled(can_analyze)
        self.refresh_action.setEnabled(can_refresh)
        self.autotag_action.setEnabled(can_autotag)
        self.browser_lookup_action.setEnabled(can_browser_lookup)
        self.cut_action.setEnabled(bool(self.selected_objects))

    def update_selection(self, objects=None):
        if self.ignore_selection_changes:
            return

        if objects is not None:
            self.selected_objects = objects
        else:
            objects = self.selected_objects

        self.update_actions()

        metadata = None
        statusbar = u""
        obj = None

        if len(objects) == 1:
            obj = list(objects)[0]
            if isinstance(obj, File):
                metadata = obj.metadata
                statusbar = obj.filename
                if obj.state == obj.ERROR:
                    statusbar += _(" (Error: %s)") % obj.error
            elif isinstance(obj, Track):
                metadata = obj.metadata
                if obj.num_linked_files == 1:
                    file = obj.linked_files[0]
                    statusbar = "%s (%d%%)" % (file.filename,
                                               file.similarity * 100)
                    if file.state == File.ERROR:
                        statusbar += _(" (Error: %s)") % file.error
            elif obj.can_edit_tags():
                metadata = obj.metadata

        self.metadata_box.selection_dirty = True
        self.metadata_box.update()
        self.cover_art_box.set_metadata(metadata, obj)
        self.set_statusbar_message(statusbar)

    def show_cover_art(self):
        """Show/hide the cover art box."""
        if self.show_cover_art_action.isChecked():
            self.cover_art_box.show()
            self.metadata_box.shrink_columns()
        else:
            self.cover_art_box.hide()

    def show_file_browser(self):
        """Show/hide the file browser."""
        if self.show_file_browser_action.isChecked():
            sizes = self.panel.sizes()
            if sizes[0] == 0:
                sizes[0] = sum(sizes) / 4
                self.panel.setSizes(sizes)
            self.file_browser.show()
        else:
            self.file_browser.hide()

    def show_password_dialog(self, reply, authenticator):
        dialog = PasswordDialog(authenticator, reply, parent=self)
        dialog.exec_()

    def show_proxy_dialog(self, proxy, authenticator):
        dialog = ProxyDialog(authenticator, proxy, parent=self)
        dialog.exec_()

    def autotag(self):
        self.tagger.autotag(self.selected_objects)

    def cut(self):
        self._clipboard = self.selected_objects
        self.paste_action.setEnabled(bool(self._clipboard))

    def paste(self):
        selected_objects = self.selected_objects
        if not selected_objects:
            target = self.tagger.unmatched_files
        else:
            target = selected_objects[0]
        self.tagger.move_files(
            self.tagger.get_files_from_objects(self._clipboard), target)
        self._clipboard = []
        self.paste_action.setEnabled(False)