Exemplo n.º 1
0
class PathManager(QDialog):
    """Path manager dialog."""
    redirect_stdio = Signal(bool)
    sig_path_changed = Signal(object)

    def __init__(self,
                 parent,
                 path=None,
                 read_only_path=None,
                 not_active_path=None,
                 sync=True):
        """Path manager dialog."""
        super(PathManager, self).__init__(parent)
        assert isinstance(path, (tuple, None))

        self.path = path or ()
        self.read_only_path = read_only_path or ()
        self.not_active_path = not_active_path or ()
        self.last_path = getcwd_or_home()
        self.original_path_dict = None

        # Widgets
        self.add_button = None
        self.remove_button = None
        self.movetop_button = None
        self.moveup_button = None
        self.movedown_button = None
        self.movebottom_button = None
        self.sync_button = None
        self.selection_widgets = []
        self.top_toolbar_widgets = self._setup_top_toolbar()
        self.bottom_toolbar_widgets = self._setup_bottom_toolbar()
        self.listwidget = QListWidget(self)
        self.bbox = QDialogButtonBox(QDialogButtonBox.Ok
                                     | QDialogButtonBox.Cancel)
        self.button_ok = self.bbox.button(QDialogButtonBox.Ok)

        # Widget setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle(_("PYTHONPATH manager"))
        self.setWindowIcon(ima.icon('pythonpath'))
        self.resize(500, 300)
        self.sync_button.setVisible(os.name == 'nt' and sync)

        # Layouts
        top_layout = QHBoxLayout()
        self._add_widgets_to_layout(self.top_toolbar_widgets, top_layout)

        bottom_layout = QHBoxLayout()
        self._add_widgets_to_layout(self.bottom_toolbar_widgets, bottom_layout)
        bottom_layout.addWidget(self.bbox)

        layout = QVBoxLayout()
        layout.addLayout(top_layout)
        layout.addWidget(self.listwidget)
        layout.addLayout(bottom_layout)
        self.setLayout(layout)

        # Signals
        self.listwidget.currentRowChanged.connect(lambda x: self.refresh())
        self.listwidget.itemChanged.connect(lambda x: self.refresh())
        self.bbox.accepted.connect(self.accept)
        self.bbox.rejected.connect(self.reject)

        # Setup
        self.setup()

    def _add_widgets_to_layout(self, widgets, layout):
        """Helper to add toolbar widgets to top and bottom layout."""
        layout.setAlignment(Qt.AlignLeft)
        for widget in widgets:
            if widget is None:
                layout.addStretch(1)
            else:
                layout.addWidget(widget)

    def _setup_top_toolbar(self):
        """Create top toolbar and actions."""
        self.movetop_button = create_toolbutton(
            self,
            text=_("Move to top"),
            icon=ima.icon('2uparrow'),
            triggered=lambda: self.move_to(absolute=0),
            text_beside_icon=True)
        self.moveup_button = create_toolbutton(
            self,
            text=_("Move up"),
            icon=ima.icon('1uparrow'),
            triggered=lambda: self.move_to(relative=-1),
            text_beside_icon=True)
        self.movedown_button = create_toolbutton(
            self,
            text=_("Move down"),
            icon=ima.icon('1downarrow'),
            triggered=lambda: self.move_to(relative=1),
            text_beside_icon=True)
        self.movebottom_button = create_toolbutton(
            self,
            text=_("Move to bottom"),
            icon=ima.icon('2downarrow'),
            triggered=lambda: self.move_to(absolute=1),
            text_beside_icon=True)

        toolbar = [
            self.movetop_button, self.moveup_button, self.movedown_button,
            self.movebottom_button
        ]
        self.selection_widgets.extend(toolbar)
        return toolbar

    def _setup_bottom_toolbar(self):
        """Create bottom toolbar and actions."""
        self.add_button = create_toolbutton(
            self,
            text=_('Add path'),
            icon=ima.icon('edit_add'),
            triggered=lambda x: self.add_path(),
            text_beside_icon=True)
        self.remove_button = create_toolbutton(
            self,
            text=_('Remove path'),
            icon=ima.icon('edit_remove'),
            triggered=lambda x: self.remove_path(),
            text_beside_icon=True)
        self.sync_button = create_toolbutton(
            self,
            text=_("Synchronize..."),
            icon=ima.icon('fileimport'),
            triggered=self.synchronize,
            tip=_("Synchronize Spyder's path list with PYTHONPATH "
                  "environment variable"),
            text_beside_icon=True)

        self.selection_widgets.append(self.remove_button)
        return [self.add_button, self.remove_button, None, self.sync_button]

    def _create_item(self, path):
        """Helper to create a new list item."""
        item = QListWidgetItem(path)
        item.setIcon(ima.icon('DirClosedIcon'))

        if path in self.read_only_path:
            item.setFlags(Qt.NoItemFlags | Qt.ItemIsUserCheckable)
            item.setCheckState(Qt.Checked)
        elif path in self.not_active_path:
            item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
            item.setCheckState(Qt.Unchecked)
        else:
            item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
            item.setCheckState(Qt.Checked)

        return item

    @property
    def editable_bottom_row(self):
        """Maximum bottom row count that is editable."""
        read_only_count = len(self.read_only_path)
        if read_only_count == 0:
            max_row = self.listwidget.count() - 1
        else:
            max_row = self.listwidget.count() - read_only_count - 1
        return max_row

    def setup(self):
        """Populate list widget."""
        self.listwidget.clear()
        for path in self.path + self.read_only_path:
            item = self._create_item(path)
            self.listwidget.addItem(item)
        self.listwidget.setCurrentRow(0)
        self.original_path_dict = self.get_path_dict()
        self.refresh()

    @Slot()
    def synchronize(self):
        """
        Synchronize Spyder's path list with PYTHONPATH environment variable
        Only apply to: current user, on Windows platforms.
        """
        answer = QMessageBox.question(
            self, _("Synchronize"),
            _("This will synchronize Spyder's path list with "
              "<b>PYTHONPATH</b> environment variable for the current user, "
              "allowing you to run your Python modules outside Spyder "
              "without having to configure sys.path. "
              "<br>"
              "Do you want to clear contents of PYTHONPATH before "
              "adding Spyder's path list?"),
            QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel)

        if answer == QMessageBox.Cancel:
            return
        elif answer == QMessageBox.Yes:
            remove = True
        else:
            remove = False

        from spyder.utils.environ import (get_user_env, listdict2envdict,
                                          set_user_env)
        env = get_user_env()

        # Includes read only paths
        active_path = tuple(k for k, v in self.get_path_dict(True).items()
                            if v)

        if remove:
            ppath = active_path
        else:
            ppath = env.get('PYTHONPATH', [])
            if not isinstance(ppath, list):
                ppath = [ppath]

            ppath = tuple(p for p in ppath if p not in active_path)
            ppath = ppath + active_path

        env['PYTHONPATH'] = list(ppath)
        set_user_env(listdict2envdict(env), parent=self)

    def get_path_dict(self, read_only=False):
        """
        Return an ordered dict with the path entries as keys and the active
        state as the value.

        If `read_only` is True, the read_only entries are also included.
        `read_only` entry refers to the project path entry.
        """
        odict = OrderedDict()
        for row in range(self.listwidget.count()):
            item = self.listwidget.item(row)
            path = item.text()
            if path in self.read_only_path and not read_only:
                continue
            odict[path] = item.checkState() == Qt.Checked
        return odict

    def refresh(self):
        """Refresh toolbar widgets."""
        enabled = self.listwidget.currentItem() is not None
        for widget in self.selection_widgets:
            widget.setEnabled(enabled)

        # Disable buttons based on row
        row = self.listwidget.currentRow()
        disable_widgets = []

        # Move up/top disabled for top item
        if row == 0:
            disable_widgets.extend([self.movetop_button, self.moveup_button])

        # Move down/bottom disabled for bottom item
        if row == self.editable_bottom_row:
            disable_widgets.extend(
                [self.movebottom_button, self.movedown_button])
        for widget in disable_widgets:
            widget.setEnabled(False)

        self.sync_button.setEnabled(self.listwidget.count() > 0)

        # Ok button only enabled if actual changes occur
        self.button_ok.setEnabled(
            self.original_path_dict != self.get_path_dict())

    def check_path(self, path):
        """Check that the path is not a [site|dist]-packages folder."""
        if os.name == 'nt':
            pat = re.compile(r'.*lib/(?:site|dist)-packages.*')
        else:
            pat = re.compile(r'.*lib/python.../(?:site|dist)-packages.*')

        path_norm = path.replace('\\', '/')
        return pat.match(path_norm) is None

    @Slot()
    def add_path(self, directory=None):
        """
        Add path to list widget.

        If `directory` is provided, the folder dialog is overridden.
        """
        if directory is None:
            self.redirect_stdio.emit(False)
            directory = getexistingdirectory(self, _("Select directory"),
                                             self.last_path)
            self.redirect_stdio.emit(True)

        if PY2:
            is_unicode = False
            try:
                directory.decode('ascii')
            except (UnicodeEncodeError, UnicodeDecodeError):
                is_unicode = True

            if is_unicode:
                QMessageBox.warning(
                    self, _("Add path"),
                    _("You are using Python 2 and the selected path has "
                      "Unicode characters."
                      "<br> "
                      "Therefore, this path will not be added."),
                    QMessageBox.Ok)
                return

        directory = osp.abspath(directory)
        self.last_path = directory

        if directory in self.get_path_dict():
            item = self.listwidget.findItems(directory, Qt.MatchExactly)[0]
            item.setCheckState(Qt.Checked)
            answer = QMessageBox.question(
                self, _("Add path"),
                _("This directory is already included in the list."
                  "<br> "
                  "Do you want to move it to the top of it?"),
                QMessageBox.Yes | QMessageBox.No)

            if answer == QMessageBox.Yes:
                item = self.listwidget.takeItem(self.listwidget.row(item))
                self.listwidget.insertItem(0, item)
                self.listwidget.setCurrentRow(0)
        else:
            if self.check_path(directory):
                item = self._create_item(directory)
                self.listwidget.insertItem(0, item)
                self.listwidget.setCurrentRow(0)
            else:
                answer = QMessageBox.warning(
                    self, _("Add path"),
                    _("This directory cannot be added to the path!"
                      "<br><br>"
                      "If you want to set a different Python interpreter, "
                      "please go to <tt>Preferences > Main interpreter</tt>"
                      "."), QMessageBox.Ok)

        self.refresh()

    @Slot()
    def remove_path(self, force=False):
        """
        Remove path from list widget.

        If `force` is True, the message box is overridden.
        """
        if self.listwidget.currentItem():
            if not force:
                answer = QMessageBox.warning(
                    self, _("Remove path"),
                    _("Do you really want to remove the selected path?"),
                    QMessageBox.Yes | QMessageBox.No)

            if force or answer == QMessageBox.Yes:
                self.listwidget.takeItem(self.listwidget.currentRow())
                self.refresh()

    def move_to(self, absolute=None, relative=None):
        """Move items of list widget."""
        index = self.listwidget.currentRow()
        if absolute is not None:
            if absolute:
                new_index = self.listwidget.count() - 1
            else:
                new_index = 0
        else:
            new_index = index + relative

        new_index = max(0, min(self.editable_bottom_row, new_index))
        item = self.listwidget.takeItem(index)
        self.listwidget.insertItem(new_index, item)
        self.listwidget.setCurrentRow(new_index)
        self.refresh()

    def current_row(self):
        """Returns the current row of the list."""
        return self.listwidget.currentRow()

    def set_current_row(self, row):
        """Set the current row of the list."""
        self.listwidget.setCurrentRow(row)

    def row_check_state(self, row):
        """Return the checked state for item in row."""
        item = self.listwidget.item(row)
        return item.checkState()

    def set_row_check_state(self, row, value):
        """Set the current checked state for item in row."""
        item = self.listwidget.item(row)
        item.setCheckState(value)

    def count(self):
        """Return the number of items."""
        return self.listwidget.count()

    def accept(self):
        """Override Qt method."""
        path_dict = self.get_path_dict()
        if self.original_path_dict != path_dict:
            self.sig_path_changed.emit(path_dict)
        super(PathManager, self).accept()
Exemplo n.º 2
0
class PathManager(QDialog):
    redirect_stdio = Signal(bool)
    
    def __init__(self, parent=None, pathlist=None, ro_pathlist=None,
                 not_active_pathlist=None, sync=True):
        QDialog.__init__(self, parent)
        
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        
        assert isinstance(pathlist, list)
        self.pathlist = pathlist
        if not_active_pathlist is None:
            not_active_pathlist = []
        self.not_active_pathlist = not_active_pathlist
        if ro_pathlist is None:
            ro_pathlist = []
        self.ro_pathlist = ro_pathlist
        
        self.last_path = getcwd()
        
        self.setWindowTitle(_("PYTHONPATH manager"))
        self.setWindowIcon(ima.icon('pythonpath'))
        self.resize(500, 300)
        
        self.selection_widgets = []
        
        layout = QVBoxLayout()
        self.setLayout(layout)
        
        top_layout = QHBoxLayout()
        layout.addLayout(top_layout)
        self.toolbar_widgets1 = self.setup_top_toolbar(top_layout)

        self.listwidget = QListWidget(self)
        self.listwidget.currentRowChanged.connect(self.refresh)
        self.listwidget.itemChanged.connect(self.update_not_active_pathlist)
        layout.addWidget(self.listwidget)

        bottom_layout = QHBoxLayout()
        layout.addLayout(bottom_layout)
        self.sync_button = None
        self.toolbar_widgets2 = self.setup_bottom_toolbar(bottom_layout, sync)        
        
        # Buttons configuration
        bbox = QDialogButtonBox(QDialogButtonBox.Close)
        bbox.rejected.connect(self.reject)
        bottom_layout.addWidget(bbox)
        
        self.update_list()
        self.refresh()
        
    def _add_widgets_to_layout(self, layout, widgets):
        layout.setAlignment(Qt.AlignLeft)
        for widget in widgets:
            layout.addWidget(widget)
        
    def setup_top_toolbar(self, layout):
        toolbar = []
        movetop_button = create_toolbutton(self,
                                    text=_("Move to top"),
                                    icon=ima.icon('2uparrow'),
                                    triggered=lambda: self.move_to(absolute=0),
                                    text_beside_icon=True)
        toolbar.append(movetop_button)
        moveup_button = create_toolbutton(self,
                                    text=_("Move up"),
                                    icon=ima.icon('1uparrow'),
                                    triggered=lambda: self.move_to(relative=-1),
                                    text_beside_icon=True)
        toolbar.append(moveup_button)
        movedown_button = create_toolbutton(self,
                                    text=_("Move down"),
                                    icon=ima.icon('1downarrow'),
                                    triggered=lambda: self.move_to(relative=1),
                                    text_beside_icon=True)
        toolbar.append(movedown_button)
        movebottom_button = create_toolbutton(self,
                                    text=_("Move to bottom"),
                                    icon=ima.icon('2downarrow'),
                                    triggered=lambda: self.move_to(absolute=1),
                                    text_beside_icon=True)
        toolbar.append(movebottom_button)
        self.selection_widgets.extend(toolbar)
        self._add_widgets_to_layout(layout, toolbar)
        return toolbar
    
    def setup_bottom_toolbar(self, layout, sync=True):
        toolbar = []
        add_button = create_toolbutton(self, text=_('Add path'),
                                       icon=ima.icon('edit_add'),
                                       triggered=self.add_path,
                                       text_beside_icon=True)
        toolbar.append(add_button)
        remove_button = create_toolbutton(self, text=_('Remove path'),
                                          icon=ima.icon('edit_remove'),
                                          triggered=self.remove_path,
                                          text_beside_icon=True)
        toolbar.append(remove_button)
        self.selection_widgets.append(remove_button)
        self._add_widgets_to_layout(layout, toolbar)
        layout.addStretch(1)
        if os.name == 'nt' and sync:
            self.sync_button = create_toolbutton(self,
                  text=_("Synchronize..."),
                  icon=ima.icon('fileimport'), triggered=self.synchronize,
                  tip=_("Synchronize Spyder's path list with PYTHONPATH "
                              "environment variable"),
                  text_beside_icon=True)
            layout.addWidget(self.sync_button)
        return toolbar

    @Slot()
    def synchronize(self):
        """
        Synchronize Spyder's path list with PYTHONPATH environment variable
        Only apply to: current user, on Windows platforms
        """
        answer = QMessageBox.question(self, _("Synchronize"),
            _("This will synchronize Spyder's path list with "
                    "<b>PYTHONPATH</b> environment variable for current user, "
                    "allowing you to run your Python modules outside Spyder "
                    "without having to configure sys.path. "
                    "<br>Do you want to clear contents of PYTHONPATH before "
                    "adding Spyder's path list?"),
            QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel)
        if answer == QMessageBox.Cancel:
            return
        elif answer == QMessageBox.Yes:
            remove = True
        else:
            remove = False
        from spyder.utils.environ import (get_user_env, set_user_env,
                                          listdict2envdict)
        env = get_user_env()
        if remove:
            ppath = self.pathlist+self.ro_pathlist
        else:
            ppath = env.get('PYTHONPATH', [])
            if not isinstance(ppath, list):
                ppath = [ppath]
            ppath = [path for path in ppath
                     if path not in (self.pathlist+self.ro_pathlist)]
            ppath.extend(self.pathlist+self.ro_pathlist)
        env['PYTHONPATH'] = ppath
        set_user_env( listdict2envdict(env), parent=self )
        
    def get_path_list(self):
        """Return path list (does not include the read-only path list)"""
        return self.pathlist

    def update_not_active_pathlist(self, item):
        path = item.text()
        if bool(item.checkState()) is True:
            self.remove_from_not_active_pathlist(path)
        else:
            self.add_to_not_active_pathlist(path)

    def add_to_not_active_pathlist(self, path):
        if path not in self.not_active_pathlist:
            self.not_active_pathlist.append(path)

    def remove_from_not_active_pathlist(self, path):
        if path in self.not_active_pathlist:
            self.not_active_pathlist.remove(path)
        
    def update_list(self):
        """Update path list"""
        self.listwidget.clear()
        for name in self.pathlist+self.ro_pathlist:
            item = QListWidgetItem(name)
            item.setIcon(ima.icon('DirClosedIcon'))
            if name in self.ro_pathlist:
                item.setFlags(Qt.NoItemFlags | Qt.ItemIsUserCheckable)
                item.setCheckState(Qt.Checked)
            elif name in self.not_active_pathlist:
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
                item.setCheckState(Qt.Unchecked)
            else:
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
                item.setCheckState(Qt.Checked)
            self.listwidget.addItem(item)
        self.refresh()
        
    def refresh(self, row=None):
        """Refresh widget"""
        for widget in self.selection_widgets:
            widget.setEnabled(self.listwidget.currentItem() is not None)
        not_empty = self.listwidget.count() > 0
        if self.sync_button is not None:
            self.sync_button.setEnabled(not_empty)
    
    def move_to(self, absolute=None, relative=None):
        index = self.listwidget.currentRow()
        if absolute is not None:
            if absolute:
                new_index = len(self.pathlist)-1
            else:
                new_index = 0
        else:
            new_index = index + relative        
        new_index = max(0, min(len(self.pathlist)-1, new_index))
        path = self.pathlist.pop(index)
        self.pathlist.insert(new_index, path)
        self.update_list()
        self.listwidget.setCurrentRow(new_index)

    @Slot()
    def remove_path(self):
        answer = QMessageBox.warning(self, _("Remove path"),
            _("Do you really want to remove selected path?"),
            QMessageBox.Yes | QMessageBox.No)
        if answer == QMessageBox.Yes:
            self.pathlist.pop(self.listwidget.currentRow())
            self.remove_from_not_active_pathlist(
                    self.listwidget.currentItem().text())
            self.update_list()

    @Slot()
    def add_path(self):
        self.redirect_stdio.emit(False)
        directory = getexistingdirectory(self, _("Select directory"),
                                         self.last_path)
        self.redirect_stdio.emit(True)
        if directory:
            directory = osp.abspath(directory)
            self.last_path = directory
            if directory in self.pathlist:
                item = self.listwidget.findItems(directory, Qt.MatchExactly)[0]
                item.setCheckState(Qt.Checked)
                answer = QMessageBox.question(self, _("Add path"),
                    _("This directory is already included in Spyder path "
                            "list.<br>Do you want to move it to the top of "
                            "the list?"),
                    QMessageBox.Yes | QMessageBox.No)
                if answer == QMessageBox.Yes:
                    self.pathlist.remove(directory)
                else:
                    return
            self.pathlist.insert(0, directory)
            self.update_list()
Exemplo n.º 3
0
class ConfigDialog(QDialog):
    """Spyder configuration ('Preferences') dialog box"""
    
    # Signals
    check_settings = Signal()
    size_change = Signal(QSize)
    
    def __init__(self, parent=None):
        QDialog.__init__(self, parent)

        self.main = parent

        # Widgets
        self.pages_widget = QStackedWidget()
        self.pages_widget.setMinimumWidth(600)
        self.contents_widget = QListWidget()
        self.button_reset = QPushButton(_('Reset to defaults'))

        bbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Apply |
                                QDialogButtonBox.Cancel)
        self.apply_btn = bbox.button(QDialogButtonBox.Apply)

        # Widgets setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle(_('Preferences'))
        self.setWindowIcon(ima.icon('configure'))
        self.contents_widget.setMovement(QListView.Static)
        self.contents_widget.setSpacing(1)
        self.contents_widget.setCurrentRow(0)
        self.contents_widget.setMinimumWidth(220)
        self.contents_widget.setMinimumHeight(400)

        # Layout
        hsplitter = QSplitter()
        hsplitter.addWidget(self.contents_widget)
        hsplitter.addWidget(self.pages_widget)
        hsplitter.setStretchFactor(0, 1)
        hsplitter.setStretchFactor(1, 2)

        btnlayout = QHBoxLayout()
        btnlayout.addWidget(self.button_reset)
        btnlayout.addStretch(1)
        btnlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(hsplitter)
        vlayout.addLayout(btnlayout)

        self.setLayout(vlayout)

        # Signals and slots
        if self.main:
            self.button_reset.clicked.connect(self.main.reset_spyder)
        self.pages_widget.currentChanged.connect(self.current_page_changed)
        self.contents_widget.currentRowChanged.connect(
                                             self.pages_widget.setCurrentIndex)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        bbox.clicked.connect(self.button_clicked)

        # Ensures that the config is present on spyder first run
        CONF.set('main', 'interface_language', load_lang_conf())

    def get_current_index(self):
        """Return current page index"""
        return self.contents_widget.currentRow()
        
    def set_current_index(self, index):
        """Set current page index"""
        self.contents_widget.setCurrentRow(index)
        
    def get_page(self, index=None):
        """Return page widget"""
        if index is None:
            widget = self.pages_widget.currentWidget()
        else:
            widget = self.pages_widget.widget(index)
        return widget.widget()
    
    @Slot()
    def accept(self):
        """Reimplement Qt method"""
        for index in range(self.pages_widget.count()):
            configpage = self.get_page(index)
            if not configpage.is_valid():
                return
            configpage.apply_changes()
        QDialog.accept(self)
        
    def button_clicked(self, button):
        if button is self.apply_btn:
            # Apply button was clicked
            configpage = self.get_page()
            if not configpage.is_valid():
                return
            configpage.apply_changes()
            
    def current_page_changed(self, index):
        widget = self.get_page(index)
        self.apply_btn.setVisible(widget.apply_callback is not None)
        self.apply_btn.setEnabled(widget.is_modified)
        
    def add_page(self, widget):
        self.check_settings.connect(widget.check_settings)
        widget.show_this_page.connect(lambda row=self.contents_widget.count():
                                      self.contents_widget.setCurrentRow(row))
        widget.apply_button_enabled.connect(self.apply_btn.setEnabled)
        scrollarea = QScrollArea(self)
        scrollarea.setWidgetResizable(True)
        scrollarea.setWidget(widget)
        self.pages_widget.addWidget(scrollarea)
        item = QListWidgetItem(self.contents_widget)
        try:
            item.setIcon(widget.get_icon())
        except TypeError:
            pass
        item.setText(widget.get_name())
        item.setFlags(Qt.ItemIsSelectable|Qt.ItemIsEnabled)
        item.setSizeHint(QSize(0, 25))
        
    def check_all_settings(self):
        """This method is called to check all configuration page settings
        after configuration dialog has been shown"""
        self.check_settings.emit()
    
    def resizeEvent(self, event):
        """
        Reimplement Qt method to be able to save the widget's size from the
        main application
        """
        QDialog.resizeEvent(self, event)
        self.size_change.emit(self.size())
Exemplo n.º 4
0
class PreferencesDialog(QDialog):
    """Preferences Dialog for Napari user settings."""

    ui_schema = {
        "call_order": {
            "ui:widget": "plugins"
        },
    }

    resized = Signal(QSize)
    closed = Signal()

    def __init__(self, parent=None):
        super().__init__(parent)

        self._list = QListWidget(self)
        self._stack = QStackedWidget(self)

        self._list.setObjectName("Preferences")

        # Set up buttons
        self._button_cancel = QPushButton(trans._("Cancel"))
        self._button_ok = QPushButton(trans._("OK"))
        self._default_restore = QPushButton(trans._("Restore defaults"))

        # Setup
        self.setWindowTitle(trans._("Preferences"))

        # Layout
        left_layout = QVBoxLayout()
        left_layout.addWidget(self._list)
        left_layout.addStretch()
        left_layout.addWidget(self._default_restore)
        left_layout.addWidget(self._button_cancel)
        left_layout.addWidget(self._button_ok)

        main_layout = QHBoxLayout()
        main_layout.addLayout(left_layout, 1)
        main_layout.addWidget(self._stack, 3)

        self.setLayout(main_layout)

        # Signals

        self._list.currentRowChanged.connect(
            lambda index: self._stack.setCurrentIndex(index))
        self._button_cancel.clicked.connect(self.on_click_cancel)
        self._button_ok.clicked.connect(self.on_click_ok)
        self._default_restore.clicked.connect(self.restore_defaults)

        # Make widget

        self.make_dialog()
        self._list.setCurrentRow(0)

    def closeEvent(self, event):
        """Override to emit signal."""
        self.closed.emit()
        super().closeEvent(event)

    def reject(self):
        """Override to handle Escape."""
        super().reject()
        self.close()

    def resizeEvent(self, event):
        """Override to emit signal."""
        self.resized.emit(event.size())
        super().resizeEvent(event)

    def make_dialog(self):
        """Removes settings not to be exposed to user and creates dialog pages."""

        # Because there are multiple pages, need to keep a dictionary of values dicts.
        # One set of keywords are for each page, then in each entry for a page, there are dicts
        # of setting and its value.

        self._values_orig_dict = {}
        self._values_dict = {}
        self._setting_changed_dict = {}

        for page, setting in SETTINGS.schemas().items():
            schema, values, properties = self.get_page_dict(setting)

            self._setting_changed_dict[page] = {}
            self._values_orig_dict[page] = values
            self._values_dict[page] = values

            # Only add pages if there are any properties to add.
            if properties:
                self.add_page(schema, values)

    def get_page_dict(self, setting):
        """Provides the schema, set of values for each setting, and the properties
        for each setting.

        Parameters
        ----------
        setting : dict
            Dictionary of settings for a page within the settings manager.

        Returns
        -------
        schema : dict
            Json schema of the setting page.
        values : dict
            Dictionary of values currently set for each parameter in the settings.
        properties : dict
            Dictionary of properties within the json schema.

        """

        schema = json.loads(setting['json_schema'])
        # Need to remove certain properties that will not be displayed on the GUI
        properties = schema.pop('properties')
        model = setting['model']
        values = model.dict()
        napari_config = getattr(model, "NapariConfig", None)
        if napari_config is not None:
            for val in napari_config.preferences_exclude:
                properties.pop(val)
                values.pop(val)

        schema['properties'] = properties

        return schema, values, properties

    def restore_defaults(self):
        """Launches dialog to confirm restore settings choice."""

        widget = ConfirmDialog(
            parent=self,
            text=trans._("Are you sure you want to restore default settings?"),
        )
        widget.valueChanged.connect(self._reset_widgets)
        widget.exec_()

    def _reset_widgets(self):
        """Deletes the widgets and rebuilds with defaults."""
        self.close()
        self._list.clear()

        for n in range(self._stack.count()):
            widget = self._stack.removeWidget(self._stack.currentWidget())
            del widget

        self.make_dialog()
        self._list.setCurrentRow(0)
        self.show()

    def on_click_ok(self):
        """Keeps the selected preferences saved to SETTINGS."""
        self.close()

    def on_click_cancel(self):
        """Restores the settings in place when dialog was launched."""
        # Need to check differences for each page.
        for n in range(self._stack.count()):
            # Must set the current row so that the proper list is updated
            # in check differences.
            self._list.setCurrentRow(n)
            page = self._list.currentItem().text().split(" ")[0].lower()
            # get new values for settings.  If they were changed from values at beginning
            # of preference dialog session, change them back.
            # Using the settings value seems to be the best way to get the checkboxes right
            # on the plugin call order widget.
            setting = SETTINGS.schemas()[page]
            schema, new_values, properties = self.get_page_dict(setting)
            self.check_differences(self._values_orig_dict[page], new_values)

        self._list.setCurrentRow(0)
        self.close()

    def add_page(self, schema, values):
        """Creates a new page for each section in dialog.

        Parameters
        ----------
        schema : dict
            Json schema including all information to build each page in the
            preferences dialog.
        values : dict
            Dictionary of current values set in preferences.
        """
        widget = self.build_page_dialog(schema, values)
        self._list.addItem(schema["title"])
        self._stack.addWidget(widget)

    def build_page_dialog(self, schema, values):
        """Builds the preferences widget using the json schema builder.

        Parameters
        ----------
        schema : dict
            Json schema including all information to build each page in the
            preferences dialog.
        values : dict
            Dictionary of current values set in preferences.
        """

        builder = WidgetBuilder()
        form = builder.create_form(schema, self.ui_schema)
        # set state values for widget
        form.widget.state = values
        form.widget.on_changed.connect(lambda d: self.check_differences(
            d,
            self._values_dict[schema["title"].lower()],
        ))

        return form

    def _values_changed(self, page, new_dict, old_dict):
        """Loops through each setting in a page to determine if it changed.

        Parameters
        ----------
        new_dict : dict
            Dict that has the most recent changes by user. Each key is a setting value
            and each item is the value.
        old_dict : dict
            Dict wtih values set at the begining of preferences dialog session.

        """
        for setting_name, value in new_dict.items():
            if value != old_dict[setting_name]:
                self._setting_changed_dict[page][setting_name] = value
            elif (value == old_dict[setting_name]
                  and setting_name in self._setting_changed_dict[page]):
                self._setting_changed_dict[page].pop(setting_name)

    def check_differences(self, new_dict, old_dict):
        """Changes settings in settings manager with changes from dialog.

        Parameters
        ----------
        new_dict : dict
            Dict that has the most recent changes by user. Each key is a setting parameter
            and each item is the value.
        old_dict : dict
            Dict wtih values set at the beginning of the preferences dialog session.
        """
        page = self._list.currentItem().text().split(" ")[0].lower()
        self._values_changed(page, new_dict, old_dict)
        different_values = self._setting_changed_dict[page]

        if len(different_values) > 0:
            # change the values in SETTINGS
            for setting_name, value in different_values.items():
                try:
                    setattr(SETTINGS._settings[page], setting_name, value)
                    self._values_dict[page] = new_dict
                except:  # noqa: E722
                    continue
Exemplo n.º 5
0
class FileSwitcher(QDialog):
    """A Sublime-like file switcher."""
    sig_goto_file = Signal(int, object)

    # Constants that define the mode in which the list widget is working
    # FILE_MODE is for a list of files, SYMBOL_MODE if for a list of symbols
    # in a given file when using the '@' symbol.
    FILE_MODE, SYMBOL_MODE = [1, 2]
    MAX_WIDTH = 600

    def __init__(self, parent, plugin, tabs, data, icon):
        QDialog.__init__(self, parent)

        # Variables
        self.plugins_tabs = []
        self.plugins_data = []
        self.plugins_instances = []
        self.add_plugin(plugin, tabs, data, icon)
        self.plugin = None  # Last plugin with focus
        self.mode = self.FILE_MODE  # By default start in this mode
        self.initial_cursors = None  # {fullpath: QCursor}
        self.initial_path = None  # Fullpath of initial active editor
        self.initial_widget = None  # Initial active editor
        self.line_number = None  # Selected line number in filer
        self.is_visible = False  # Is the switcher visible?

        help_text = _("Press <b>Enter</b> to switch files or <b>Esc</b> to "
                      "cancel.<br><br>Type to filter filenames.<br><br>"
                      "Use <b>:number</b> to go to a line, e.g. "
                      "<b><code>main:42</code></b><br>"
                      "Use <b>@symbol_text</b> to go to a symbol, e.g. "
                      "<b><code>@init</code></b>"
                      "<br><br> Press <b>Ctrl+W</b> to close current tab.<br>")

        # Either allow searching for a line number or a symbol but not both
        regex = QRegExp("([A-Za-z0-9_]{0,100}@[A-Za-z0-9_]{0,100})|" +
                        "([A-Za-z0-9_]{0,100}:{0,1}[0-9]{0,100})")

        # Widgets
        self.edit = FilesFilterLine(self)
        self.help = HelperToolButton()
        self.list = QListWidget(self)
        self.filter = KeyPressFilter()
        regex_validator = QRegExpValidator(regex, self.edit)

        # Widgets setup
        self.setWindowFlags(Qt.Popup | Qt.FramelessWindowHint)
        self.setWindowOpacity(0.95)
        self.edit.installEventFilter(self.filter)
        self.edit.setValidator(regex_validator)
        self.help.setToolTip(help_text)
        self.list.setItemDelegate(HTMLDelegate(self))

        # Layout
        edit_layout = QHBoxLayout()
        edit_layout.addWidget(self.edit)
        edit_layout.addWidget(self.help)
        layout = QVBoxLayout()
        layout.addLayout(edit_layout)
        layout.addWidget(self.list)
        self.setLayout(layout)

        # Signals
        self.rejected.connect(self.restore_initial_state)
        self.filter.sig_up_key_pressed.connect(self.previous_row)
        self.filter.sig_down_key_pressed.connect(self.next_row)
        self.edit.returnPressed.connect(self.accept)
        self.edit.textChanged.connect(self.setup)
        self.list.itemSelectionChanged.connect(self.item_selection_changed)
        self.list.clicked.connect(self.edit.setFocus)

    # --- Properties
    @property
    def widgets(self):
        widgets = []
        for plugin in self.plugins_instances:
            tabs = self.get_plugin_tabwidget(plugin)
            widgets += [(tabs.widget(index), plugin)
                        for index in range(tabs.count())]
        return widgets

    @property
    def line_count(self):
        line_count = []
        for widget in self.widgets:
            try:
                current_line_count = widget[0].get_line_count()
            except AttributeError:
                current_line_count = 0
            line_count.append(current_line_count)
        return line_count

    @property
    def save_status(self):
        save_status = []
        for da, icon in self.plugins_data:
            save_status += [getattr(td, 'newly_created', False) for td in da]
        return save_status

    @property
    def paths(self):
        paths = []
        for plugin in self.plugins_instances:
            da = self.get_plugin_data(plugin)
            paths += [getattr(td, 'filename', None) for td in da]
        return paths

    @property
    def filenames(self):
        filenames = []
        for plugin in self.plugins_instances:
            da = self.get_plugin_data(plugin)
            filenames += [
                os.path.basename(getattr(td, 'filename', None)) for td in da
            ]
        return filenames

    @property
    def icons(self):
        icons = []
        for da, icon in self.plugins_data:
            icons += [icon for td in da]
        return icons

    @property
    def current_path(self):
        return self.paths_by_widget.get(self.get_widget(), None)

    @property
    def paths_by_widget(self):
        widgets = [w[0] for w in self.widgets]
        return dict(zip(widgets, self.paths))

    @property
    def widgets_by_path(self):
        widgets = [w[0] for w in self.widgets]
        return dict(zip(self.paths, widgets))

    @property
    def filter_text(self):
        """Get the normalized (lowecase) content of the filter text."""
        return to_text_string(self.edit.text()).lower()

    def set_search_text(self, _str):
        self.edit.setText(_str)

    def save_initial_state(self):
        """Save initial cursors and initial active widget."""
        paths = self.paths
        self.initial_widget = self.get_widget()
        self.initial_cursors = {}

        for i, editor in enumerate(self.widgets):
            if editor is self.initial_widget:
                self.initial_path = paths[i]
            # This try is needed to make the fileswitcher work with
            # plugins that does not have a textCursor.
            try:
                self.initial_cursors[paths[i]] = editor.textCursor()
            except AttributeError:
                pass

    def accept(self):
        self.is_visible = False
        QDialog.accept(self)
        self.list.clear()

    def restore_initial_state(self):
        """Restores initial cursors and initial active editor."""
        self.list.clear()
        self.is_visible = False
        widgets = self.widgets_by_path

        if not self.edit.clicked_outside:
            for path in self.initial_cursors:
                cursor = self.initial_cursors[path]
                if path in widgets:
                    self.set_editor_cursor(widgets[path], cursor)

            if self.initial_widget in self.paths_by_widget:
                index = self.paths.index(self.initial_path)
                self.sig_goto_file.emit(index)

    def set_dialog_position(self):
        """Positions the file switcher dialog."""
        parent = self.parent()
        geo = parent.geometry()
        width = self.list.width()  # This has been set in setup
        left = parent.geometry().width() / 2 - width / 2
        # Note: the +1 pixel on the top makes it look better
        if isinstance(parent, QMainWindow):
            top = (parent.toolbars_menu.geometry().height() +
                   parent.menuBar().geometry().height() + 1)
        else:
            top = self.plugins_tabs[0][0].tabBar().geometry().height() + 1

        while parent:
            geo = parent.geometry()
            top += geo.top()
            left += geo.left()
            parent = parent.parent()

        self.move(left, top)

    def get_item_size(self, content):
        """
        Get the max size (width and height) for the elements of a list of
        strings as a QLabel.
        """
        strings = []
        if content:
            for rich_text in content:
                label = QLabel(rich_text)
                label.setTextFormat(Qt.PlainText)
                strings.append(label.text())
                fm = label.fontMetrics()

            return (max([fm.width(s) * 1.3 for s in strings]), fm.height())

    def fix_size(self, content):
        """
        Adjusts the width and height of the file switcher
        based on the relative size of the parent and content.
        """
        # Update size of dialog based on relative size of the parent
        if content:
            width, height = self.get_item_size(content)

            # Width
            parent = self.parent()
            relative_width = parent.geometry().width() * 0.65
            if relative_width > self.MAX_WIDTH:
                relative_width = self.MAX_WIDTH
            self.list.setMinimumWidth(relative_width)

            # Height
            if len(content) < 8:
                max_entries = len(content)
            else:
                max_entries = 8
            max_height = height * max_entries * 2.5
            self.list.setMinimumHeight(max_height)

            # Resize
            self.list.resize(relative_width, self.list.height())

    # --- Helper methods: List widget
    def count(self):
        """Gets the item count in the list widget."""
        return self.list.count()

    def current_row(self):
        """Returns the current selected row in the list widget."""
        return self.list.currentRow()

    def set_current_row(self, row):
        """Sets the current selected row in the list widget."""
        return self.list.setCurrentRow(row)

    def select_row(self, steps):
        """Select row in list widget based on a number of steps with direction.

        Steps can be positive (next rows) or negative (previous rows).
        """
        row = self.current_row() + steps
        if 0 <= row < self.count():
            self.set_current_row(row)

    def previous_row(self):
        """Select previous row in list widget."""
        if self.mode == self.SYMBOL_MODE:
            self.select_row(-1)
            return
        prev_row = self.current_row() - 1
        if prev_row >= 0:
            title = self.list.item(prev_row).text()
        else:
            title = ''
        if prev_row == 0 and '</b></big><br>' in title:
            self.list.scrollToTop()
        elif '</b></big><br>' in title:
            # Select the next previous row, the one following is a title
            self.select_row(-2)
        else:
            self.select_row(-1)

    def next_row(self):
        """Select next row in list widget."""
        if self.mode == self.SYMBOL_MODE:
            self.select_row(+1)
            return
        next_row = self.current_row() + 1
        if next_row < self.count():
            if '</b></big><br>' in self.list.item(next_row).text():
                # Select the next next row, the one following is a title
                self.select_row(+2)
            else:
                self.select_row(+1)

    def get_stack_index(self, stack_index, plugin_index):
        """Get the real index of the selected item."""
        other_plugins_count = sum([other_tabs[0].count() \
                                   for other_tabs in \
                                   self.plugins_tabs[:plugin_index]])
        real_index = stack_index - other_plugins_count

        return real_index

    # --- Helper methods: Widget
    def get_plugin_data(self, plugin):
        """Get the data object of the plugin's current tab manager."""
        # The data object is named "data" in the editor plugin while it is
        # named "clients" in the notebook plugin.
        try:
            data = plugin.get_current_tab_manager().data
        except AttributeError:
            data = plugin.get_current_tab_manager().clients

        return data

    def get_plugin_tabwidget(self, plugin):
        """Get the tabwidget of the plugin's current tab manager."""
        # The tab widget is named "tabs" in the editor plugin while it is
        # named "tabwidget" in the notebook plugin.
        try:
            tabwidget = plugin.get_current_tab_manager().tabs
        except AttributeError:
            tabwidget = plugin.get_current_tab_manager().tabwidget

        return tabwidget

    def get_widget(self, index=None, path=None, tabs=None):
        """Get widget by index.

        If no tabs and index specified the current active widget is returned.
        """
        if (index and tabs) or (path and tabs):
            return tabs.widget(index)
        elif self.plugin:
            return self.get_plugin_tabwidget(self.plugin).currentWidget()
        else:
            return self.plugins_tabs[0][0].currentWidget()

    def set_editor_cursor(self, editor, cursor):
        """Set the cursor of an editor."""
        pos = cursor.position()
        anchor = cursor.anchor()

        new_cursor = QTextCursor()
        if pos == anchor:
            new_cursor.movePosition(pos)
        else:
            new_cursor.movePosition(anchor)
            new_cursor.movePosition(pos, QTextCursor.KeepAnchor)
        editor.setTextCursor(cursor)

    def goto_line(self, line_number):
        """Go to specified line number in current active editor."""
        if line_number:
            line_number = int(line_number)
            try:
                self.plugin.go_to_line(line_number)
            except AttributeError:
                pass

    # --- Helper methods: Outline explorer
    def get_symbol_list(self):
        """Get the list of symbols present in the file."""
        try:
            oedata = self.get_widget().get_outlineexplorer_data()
        except AttributeError:
            oedata = {}
        return oedata

    # --- Handlers
    def item_selection_changed(self):
        """List widget item selection change handler."""
        row = self.current_row()
        if self.count() and row >= 0:
            if '</b></big><br>' in self.list.currentItem().text() and row == 0:
                self.next_row()
            if self.mode == self.FILE_MODE:
                try:
                    stack_index = self.paths.index(self.filtered_path[row])
                    self.plugin = self.widgets[stack_index][1]
                    plugin_index = self.plugins_instances.index(self.plugin)
                    # Count the real index in the tabWidget of the
                    # current plugin
                    real_index = self.get_stack_index(stack_index,
                                                      plugin_index)
                    self.sig_goto_file.emit(
                        real_index, self.plugin.get_current_tab_manager())
                    self.goto_line(self.line_number)
                    try:
                        self.plugin.switch_to_plugin()
                        self.raise_()
                    except AttributeError:
                        # The widget using the fileswitcher is not a plugin
                        pass
                    self.edit.setFocus()
                except ValueError:
                    pass
            else:
                line_number = self.filtered_symbol_lines[row]
                self.goto_line(line_number)

    def setup_file_list(self, filter_text, current_path):
        """Setup list widget content for file list display."""
        short_paths = shorten_paths(self.paths, self.save_status)
        paths = self.paths
        icons = self.icons
        results = []
        trying_for_line_number = ':' in filter_text

        # Get optional line number
        if trying_for_line_number:
            filter_text, line_number = filter_text.split(':')
            if line_number == '':
                line_number = None
            # Get all the available filenames
            scores = get_search_scores('',
                                       self.filenames,
                                       template="<b>{0}</b>")
        else:
            line_number = None
            # Get all available filenames and get the scores for
            # "fuzzy" matching
            scores = get_search_scores(filter_text,
                                       self.filenames,
                                       template="<b>{0}</b>")

        # Get max width to determine if shortpaths should be used
        max_width = self.get_item_size(paths)[0]
        self.fix_size(paths)

        # Build the text that will appear on the list widget
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            if score_value != -1:
                text_item = '<big>' + rich_text.replace('&', '') + '</big>'
                if trying_for_line_number:
                    text_item += " [{0:} {1:}]".format(self.line_count[index],
                                                       _("lines"))
                if max_width > self.list.width():
                    text_item += u"<br><i>{0:}</i>".format(short_paths[index])
                else:
                    text_item += u"<br><i>{0:}</i>".format(paths[index])
                if (trying_for_line_number and self.line_count[index] != 0
                        or not trying_for_line_number):
                    results.append((score_value, index, text_item))

        # Sort the obtained scores and populate the list widget
        self.filtered_path = []
        plugin = None
        for result in sorted(results):
            index = result[1]
            path = paths[index]
            icon = icons[index]
            text = ''
            try:
                title = self.widgets[index][1].get_plugin_title().split(' - ')
                if plugin != title[0]:
                    plugin = title[0]
                    text += '<br><big><b>' + plugin + '</b></big><br>'
                    item = QListWidgetItem(text)
                    item.setToolTip(path)
                    item.setSizeHint(QSize(0, 25))
                    item.setFlags(Qt.ItemIsEditable)
                    self.list.addItem(item)
                    self.filtered_path.append(path)
            except:
                # The widget using the fileswitcher is not a plugin
                pass
            text = ''
            text += result[-1]
            item = QListWidgetItem(icon, text)
            item.setToolTip(path)
            item.setSizeHint(QSize(0, 25))
            self.list.addItem(item)
            self.filtered_path.append(path)

        # To adjust the delegate layout for KDE themes
        self.list.files_list = True

        # Move selected item in list accordingly and update list size
        if current_path in self.filtered_path:
            self.set_current_row(self.filtered_path.index(current_path))
        elif self.filtered_path:
            self.set_current_row(0)

        # If a line number is searched look for it
        self.line_number = line_number
        self.goto_line(line_number)

    def setup_symbol_list(self, filter_text, current_path):
        """Setup list widget content for symbol list display."""
        # Get optional symbol name
        filter_text, symbol_text = filter_text.split('@')

        # Fetch the Outline explorer data, get the icons and values
        oedata = self.get_symbol_list()
        icons = get_python_symbol_icons(oedata)

        # The list of paths here is needed in order to have the same
        # point of measurement for the list widget size as in the file list
        # See issue 4648
        paths = self.paths
        # Update list size
        self.fix_size(paths)

        symbol_list = process_python_symbol_data(oedata)
        line_fold_token = [(item[0], item[2], item[3]) for item in symbol_list]
        choices = [item[1] for item in symbol_list]
        scores = get_search_scores(symbol_text, choices, template="<b>{0}</b>")

        # Build the text that will appear on the list widget
        results = []
        lines = []
        self.filtered_symbol_lines = []
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            line, fold_level, token = line_fold_token[index]
            lines.append(text)
            if score_value != -1:
                results.append((score_value, line, text, rich_text, fold_level,
                                icons[index], token))

        template = '{0}{1}'

        for (score, line, text, rich_text, fold_level, icon,
             token) in sorted(results):
            fold_space = '&nbsp;' * (fold_level)
            line_number = line + 1
            self.filtered_symbol_lines.append(line_number)
            textline = template.format(fold_space, rich_text)
            item = QListWidgetItem(icon, textline)
            item.setSizeHint(QSize(0, 16))
            self.list.addItem(item)

        # To adjust the delegate layout for KDE themes
        self.list.files_list = False

        # Select edit line when using symbol search initially.
        # See issue 5661
        self.edit.setFocus()

        # Move selected item in list accordingly
        # NOTE: Doing this is causing two problems:
        # 1. It makes the cursor to auto-jump to the last selected
        #    symbol after opening or closing a different file
        # 2. It moves the cursor to the first symbol by default,
        #    which is very distracting.
        # That's why this line is commented!
        # self.set_current_row(0)

    def setup(self):
        """Setup list widget content."""
        if len(self.plugins_tabs) == 0:
            self.close()
            return

        self.list.clear()
        current_path = self.current_path
        filter_text = self.filter_text

        # Get optional line or symbol to define mode and method handler
        trying_for_symbol = ('@' in self.filter_text)

        if trying_for_symbol:
            self.mode = self.SYMBOL_MODE
            self.setup_symbol_list(filter_text, current_path)
        else:
            self.mode = self.FILE_MODE
            self.setup_file_list(filter_text, current_path)

        # Set position according to size
        self.set_dialog_position()

    def show(self):
        """
        Override Qt method to force an update of the fileswitcher before
        showing it. See Issue #5317 and PR #5389.
        """
        self.setup()
        super(FileSwitcher, self).show()

    def add_plugin(self, plugin, tabs, data, icon):
        """Add a plugin to display its files."""
        self.plugins_tabs.append((tabs, plugin))
        self.plugins_data.append((data, icon))
        self.plugins_instances.append(plugin)
Exemplo n.º 6
0
class PathManager(QDialog):
    redirect_stdio = Signal(bool)
    
    def __init__(self, parent=None, pathlist=None, ro_pathlist=None,
                 not_active_pathlist=None, sync=True):
        QDialog.__init__(self, parent)
        
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        
        assert isinstance(pathlist, list)
        self.pathlist = pathlist
        if not_active_pathlist is None:
            not_active_pathlist = []
        self.not_active_pathlist = not_active_pathlist
        if ro_pathlist is None:
            ro_pathlist = []
        self.ro_pathlist = ro_pathlist
        
        self.last_path = getcwd()
        
        self.setWindowTitle(_("PYTHONPATH manager"))
        self.setWindowIcon(ima.icon('pythonpath'))
        self.resize(500, 300)
        
        self.selection_widgets = []
        
        layout = QVBoxLayout()
        self.setLayout(layout)
        
        top_layout = QHBoxLayout()
        layout.addLayout(top_layout)
        self.toolbar_widgets1 = self.setup_top_toolbar(top_layout)

        self.listwidget = QListWidget(self)
        self.listwidget.currentRowChanged.connect(self.refresh)
        self.listwidget.itemChanged.connect(self.update_not_active_pathlist)
        layout.addWidget(self.listwidget)

        bottom_layout = QHBoxLayout()
        layout.addLayout(bottom_layout)
        self.sync_button = None
        self.toolbar_widgets2 = self.setup_bottom_toolbar(bottom_layout, sync)        
        
        # Buttons configuration
        bbox = QDialogButtonBox(QDialogButtonBox.Close)
        bbox.rejected.connect(self.reject)
        bottom_layout.addWidget(bbox)
        
        self.update_list()
        self.refresh()

    @property
    def active_pathlist(self):
        return [path for path in self.pathlist
                if path not in self.not_active_pathlist]

    def _add_widgets_to_layout(self, layout, widgets):
        layout.setAlignment(Qt.AlignLeft)
        for widget in widgets:
            layout.addWidget(widget)
        
    def setup_top_toolbar(self, layout):
        toolbar = []
        movetop_button = create_toolbutton(self,
                                    text=_("Move to top"),
                                    icon=ima.icon('2uparrow'),
                                    triggered=lambda: self.move_to(absolute=0),
                                    text_beside_icon=True)
        toolbar.append(movetop_button)
        moveup_button = create_toolbutton(self,
                                    text=_("Move up"),
                                    icon=ima.icon('1uparrow'),
                                    triggered=lambda: self.move_to(relative=-1),
                                    text_beside_icon=True)
        toolbar.append(moveup_button)
        movedown_button = create_toolbutton(self,
                                    text=_("Move down"),
                                    icon=ima.icon('1downarrow'),
                                    triggered=lambda: self.move_to(relative=1),
                                    text_beside_icon=True)
        toolbar.append(movedown_button)
        movebottom_button = create_toolbutton(self,
                                    text=_("Move to bottom"),
                                    icon=ima.icon('2downarrow'),
                                    triggered=lambda: self.move_to(absolute=1),
                                    text_beside_icon=True)
        toolbar.append(movebottom_button)
        self.selection_widgets.extend(toolbar)
        self._add_widgets_to_layout(layout, toolbar)
        return toolbar
    
    def setup_bottom_toolbar(self, layout, sync=True):
        toolbar = []
        add_button = create_toolbutton(self, text=_('Add path'),
                                       icon=ima.icon('edit_add'),
                                       triggered=self.add_path,
                                       text_beside_icon=True)
        toolbar.append(add_button)
        remove_button = create_toolbutton(self, text=_('Remove path'),
                                          icon=ima.icon('edit_remove'),
                                          triggered=self.remove_path,
                                          text_beside_icon=True)
        toolbar.append(remove_button)
        self.selection_widgets.append(remove_button)
        self._add_widgets_to_layout(layout, toolbar)
        layout.addStretch(1)
        if os.name == 'nt' and sync:
            self.sync_button = create_toolbutton(self,
                  text=_("Synchronize..."),
                  icon=ima.icon('fileimport'), triggered=self.synchronize,
                  tip=_("Synchronize Spyder's path list with PYTHONPATH "
                              "environment variable"),
                  text_beside_icon=True)
            layout.addWidget(self.sync_button)
        return toolbar

    @Slot()
    def synchronize(self):
        """
        Synchronize Spyder's path list with PYTHONPATH environment variable
        Only apply to: current user, on Windows platforms
        """
        answer = QMessageBox.question(self, _("Synchronize"),
            _("This will synchronize Spyder's path list with "
                    "<b>PYTHONPATH</b> environment variable for current user, "
                    "allowing you to run your Python modules outside Spyder "
                    "without having to configure sys.path. "
                    "<br>Do you want to clear contents of PYTHONPATH before "
                    "adding Spyder's path list?"),
            QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel)
        if answer == QMessageBox.Cancel:
            return
        elif answer == QMessageBox.Yes:
            remove = True
        else:
            remove = False
        from spyder.utils.environ import (get_user_env, set_user_env,
                                          listdict2envdict)
        env = get_user_env()
        if remove:
            ppath = self.active_pathlist+self.ro_pathlist
        else:
            ppath = env.get('PYTHONPATH', [])
            if not isinstance(ppath, list):
                ppath = [ppath]
            ppath = [path for path in ppath
                     if path not in (self.active_pathlist+self.ro_pathlist)]
            ppath.extend(self.active_pathlist+self.ro_pathlist)
        env['PYTHONPATH'] = ppath
        set_user_env(listdict2envdict(env), parent=self)

    def get_path_list(self):
        """Return path list (does not include the read-only path list)"""
        return self.pathlist

    def update_not_active_pathlist(self, item):
        path = item.text()
        if bool(item.checkState()) is True:
            self.remove_from_not_active_pathlist(path)
        else:
            self.add_to_not_active_pathlist(path)

    def add_to_not_active_pathlist(self, path):
        if path not in self.not_active_pathlist:
            self.not_active_pathlist.append(path)

    def remove_from_not_active_pathlist(self, path):
        if path in self.not_active_pathlist:
            self.not_active_pathlist.remove(path)
        
    def update_list(self):
        """Update path list"""
        self.listwidget.clear()
        for name in self.pathlist+self.ro_pathlist:
            item = QListWidgetItem(name)
            item.setIcon(ima.icon('DirClosedIcon'))
            if name in self.ro_pathlist:
                item.setFlags(Qt.NoItemFlags | Qt.ItemIsUserCheckable)
                item.setCheckState(Qt.Checked)
            elif name in self.not_active_pathlist:
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
                item.setCheckState(Qt.Unchecked)
            else:
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
                item.setCheckState(Qt.Checked)
            self.listwidget.addItem(item)
        self.refresh()
        
    def refresh(self, row=None):
        """Refresh widget"""
        for widget in self.selection_widgets:
            widget.setEnabled(self.listwidget.currentItem() is not None)
        not_empty = self.listwidget.count() > 0
        if self.sync_button is not None:
            self.sync_button.setEnabled(not_empty)
    
    def move_to(self, absolute=None, relative=None):
        index = self.listwidget.currentRow()
        if absolute is not None:
            if absolute:
                new_index = len(self.pathlist)-1
            else:
                new_index = 0
        else:
            new_index = index + relative        
        new_index = max(0, min(len(self.pathlist)-1, new_index))
        path = self.pathlist.pop(index)
        self.pathlist.insert(new_index, path)
        self.update_list()
        self.listwidget.setCurrentRow(new_index)

    @Slot()
    def remove_path(self):
        answer = QMessageBox.warning(self, _("Remove path"),
            _("Do you really want to remove selected path?"),
            QMessageBox.Yes | QMessageBox.No)
        if answer == QMessageBox.Yes:
            self.pathlist.pop(self.listwidget.currentRow())
            self.remove_from_not_active_pathlist(
                    self.listwidget.currentItem().text())
            self.update_list()

    @Slot()
    def add_path(self):
        self.redirect_stdio.emit(False)
        directory = getexistingdirectory(self, _("Select directory"),
                                         self.last_path)
        self.redirect_stdio.emit(True)
        if directory:
            directory = osp.abspath(directory)
            self.last_path = directory
            if directory in self.pathlist:
                item = self.listwidget.findItems(directory, Qt.MatchExactly)[0]
                item.setCheckState(Qt.Checked)
                answer = QMessageBox.question(self, _("Add path"),
                    _("This directory is already included in Spyder path "
                            "list.<br>Do you want to move it to the top of "
                            "the list?"),
                    QMessageBox.Yes | QMessageBox.No)
                if answer == QMessageBox.Yes:
                    self.pathlist.remove(directory)
                else:
                    return
            self.pathlist.insert(0, directory)
            self.update_list()
Exemplo n.º 7
0
class PlotLinesWidget(QWidget):
    """ Widget to set up spectral lines for plotting
    """
    def __init__(self,
                 parent=None,
                 status=None,
                 init_llist=None,
                 init_z=None,
                 edit_z=True,
                 screen_scale=1.):
        """
        Parameters
        ----------
        parent : Widget parent
        status : Point to status bar
        init_llist : input LineList dictionary (from another widget)
        init_z : float, optional
          Initial redshift
        edit_z : bool, optional
          Allow z to be editable
        screen_scale : float, optional
          Scale GUI dimensions

        Returns
        -------

        """
        super(PlotLinesWidget, self).__init__(parent)

        # Initialize
        if not status is None:
            self.statusBar = status
        if init_z is None:
            init_z = 0.
        self.scale = screen_scale

        # Create a dialog window for redshift
        if edit_z:
            z_label = QLabel('z=')
            self.zbox = QLineEdit()
            self.zbox.z_frmt = '{:.7f}'
            self.zbox.setText(self.zbox.z_frmt.format(init_z))
            self.zbox.setMinimumWidth(50 * self.scale)
            self.zbox.textChanged[str].connect(self.setz)
            #self.connect(self.zbox, QtCore.SIGNAL('editingFinished ()'), self.setz)
        else:
            z_label = QLabel('z={:.7f}'.format(init_z))

        # Create the line list
        self.lists = [
            'None', 'ISM', 'Strong', 'HI', 'Galaxy', 'AGN', 'H2', 'EUV'
        ]
        #'grb.lst', 'dla.lst', 'lls.lst', 'subLLS.lst',
        #                      'lyman.lst', 'Dlyman.lst', 'gal_vac.lst', 'ne8.lst',
        #                      'lowz_ovi.lst', 'casbah.lst', 'H2.lst']
        list_label = QLabel('Line Lists:')
        self.llist_widget = QListWidget(self)
        for ilist in self.lists:
            self.llist_widget.addItem(ilist)
        self.llist_widget.setCurrentRow(0)
        self.llist_widget.currentItemChanged.connect(self.on_list_change)
        self.llist_widget.setMaximumHeight(100 * self.scale)

        # Input line list?
        if init_llist is None:
            self.llist = {}  # Dict for the line lists
            self.llist['Plot'] = False
            self.llist['z'] = 0.
            self.llist['List'] = 'None'  # Name of the LineList being used
            self.llist['Lists'] = []  # Archived LineLists
        else:  # Fill it all up and select
            self.llist = init_llist
            if not init_llist['List'] in self.lists:
                self.lists.append(init_llist['List'])
                self.llist_widget.addItem(init_llist['List'])
                self.llist_widget.setCurrentRow(len(self.lists) - 1)
            else:
                idx = self.lists.index(init_llist['List'])
                self.llist_widget.setCurrentRow(idx)
            try:
                self.zbox.setText(self.zbox.z_frmt.format(init_llist['z']))
            except (AttributeError, KeyError):
                pass

        # Layout
        vbox = QVBoxLayout()
        vbox.addWidget(z_label)
        if edit_z:
            vbox.addWidget(self.zbox)
        vbox.addWidget(list_label)
        vbox.addWidget(self.llist_widget)

        self.setLayout(vbox)
        self.setMaximumHeight(200 * self.scale)

    def on_list_change(self, curr, prev):
        llist = str(curr.text())
        # Print
        try:
            self.statusBar().showMessage('You chose: {:s}'.format(llist))
        except AttributeError:
            print('You chose: {:s}'.format(curr.text()))

        #QtCore.pyqtRemoveInputHook()
        #xdb.set_trace()
        #QtCore.pyqtRestoreInputHook()
        self.llist = ltgu.set_llist(llist, in_dict=self.llist)

        # Try to draw
        if self.llist['Plot'] is True:
            try:
                self.spec_widg.on_draw()
            except AttributeError:
                return
            except TypeError:
                QtCore.pyqtRemoveInputHook()
                pdb.set_trace()
                QtCore.pyqtRestoreInputHook()

    def setz(self, text):
        # make sure z isnt too long for box
        self.zbox.setText(str(text)[:9])

        # ensure the input z is a float
        sstr = ustr(self.zbox.text())
        try:
            self.llist['z'] = float(sstr)
        except ValueError:
            try:
                self.statusBar().showMessage(
                    'ERROR: z Input must be a float! Try again..')
            except AttributeError:
                print('ERROR: z Input must be a float! Try again..')
            self.zbox.setText(self.zbox.z_frmt.format(self.llist['z']))
            return

        # Report
        try:
            self.statusBar().showMessage('z = {:g}'.format(self.llist['z']))
        except AttributeError:
            print('z = {:g}'.format(self.llist['z']))

        # Try to draw
        try:
            self.spec_widg.on_draw()
        except AttributeError:
            return
class CalculateInfo(QWidget):
    """
    "widget to show information about plans and allow to se plan details
    :type settings: Settings
    """

    plan_to_edit_signal = Signal()

    def __init__(self, settings: PartSettings):
        super(CalculateInfo, self).__init__()
        self.settings = settings
        self.calculate_plans = QListWidget(self)
        self.plan_view = PlanPreview(self)
        self.delete_plan_btn = QPushButton("Delete")
        self.edit_plan_btn = QPushButton("Edit")
        self.export_plans_btn = QPushButton("Export")
        self.import_plans_btn = QPushButton("Import")
        info_layout = QVBoxLayout()
        info_butt_layout = QGridLayout()
        info_butt_layout.setSpacing(0)
        info_butt_layout.addWidget(self.delete_plan_btn, 1, 1)
        info_butt_layout.addWidget(self.edit_plan_btn, 0, 1)
        info_butt_layout.addWidget(self.export_plans_btn, 1, 0)
        info_butt_layout.addWidget(self.import_plans_btn, 0, 0)
        info_layout.addLayout(info_butt_layout)
        info_chose_layout = QVBoxLayout()
        info_chose_layout.setSpacing(2)
        info_chose_layout.addWidget(QLabel("List of workflows:"))
        info_chose_layout.addWidget(self.calculate_plans)
        info_chose_layout.addWidget(QLabel("Preview:"))
        info_chose_layout.addWidget(self.plan_view)
        info_layout.addLayout(info_chose_layout)
        self.setLayout(info_layout)
        self.calculate_plans.addItems(
            list(sorted(self.settings.batch_plans.keys())))
        self.protect = False
        self.plan_to_edit = None

        self.plan_view.header().close()
        self.calculate_plans.currentTextChanged.connect(self.plan_preview)
        self.delete_plan_btn.clicked.connect(self.delete_plan)
        self.edit_plan_btn.clicked.connect(self.edit_plan)
        self.export_plans_btn.clicked.connect(self.export_plans)
        self.import_plans_btn.clicked.connect(self.import_plans)

    def update_plan_list(self):
        new_plan_list = list(sorted(self.settings.batch_plans.keys()))
        if self.calculate_plans.currentItem() is not None:
            text = str(self.calculate_plans.currentItem().text())
            try:
                index = new_plan_list.index(text)
            except ValueError:
                index = -1
        else:
            index = -1
        self.protect = True
        self.calculate_plans.clear()
        self.calculate_plans.addItems(new_plan_list)
        if index != -1:
            self.calculate_plans.setCurrentRow(index)
        else:
            pass
            # self.plan_view.setText("")
        self.protect = False

    def export_plans(self):
        choose = ExportDialog(self.settings.batch_plans, PlanPreview)
        if not choose.exec_():
            return
        dial = QFileDialog(self, "Export calculation plans")
        dial.setFileMode(QFileDialog.AnyFile)
        dial.setAcceptMode(QFileDialog.AcceptSave)
        dial.setDirectory(
            dial.setDirectory(
                self.settings.get("io.batch_plan_directory",
                                  str(Path.home()))))
        dial.setNameFilter("Calculation plans (*.json)")
        dial.setDefaultSuffix("json")
        dial.selectFile("calculation_plans.json")
        dial.setHistory(dial.history() + self.settings.get_path_history())
        if dial.exec_():
            file_path = str(dial.selectedFiles()[0])
            self.settings.set("io.batch_plan_directory",
                              os.path.dirname(file_path))
            self.settings.add_path_history(os.path.dirname(file_path))
            data = {
                x: self.settings.batch_plans[x]
                for x in choose.get_export_list()
            }
            with open(file_path, "w") as ff:
                json.dump(data,
                          ff,
                          cls=self.settings.json_encoder_class,
                          indent=2)

    def import_plans(self):
        dial = QFileDialog(self, "Import calculation plans")
        dial.setFileMode(QFileDialog.ExistingFile)
        dial.setAcceptMode(QFileDialog.AcceptOpen)
        dial.setDirectory(
            self.settings.get("io.open_directory", str(Path.home())))
        dial.setNameFilter("Calculation plans (*.json)")
        dial.setDefaultSuffix("json")
        dial.setHistory(dial.history() + self.settings.get_path_history())
        if dial.exec_():
            file_path = dial.selectedFiles()[0]
            plans, err = self.settings.load_part(file_path)
            self.settings.set("io.batch_plan_directory",
                              os.path.dirname(file_path))
            self.settings.add_path_history(os.path.dirname(file_path))
            if err:
                QMessageBox.warning(
                    self, "Import error",
                    "error during importing, part of data were filtered.")
            choose = ImportDialog(plans, self.settings.batch_plans,
                                  PlanPreview)
            if choose.exec_():
                for original_name, final_name in choose.get_import_list():
                    self.settings.batch_plans[final_name] = plans[
                        original_name]
                self.update_plan_list()

    def delete_plan(self):
        if self.calculate_plans.currentItem() is None:
            return
        text = str(self.calculate_plans.currentItem().text())
        if text == "":
            return
        if text in self.settings.batch_plans:
            del self.settings.batch_plans[text]
        self.update_plan_list()
        self.plan_view.clear()

    def edit_plan(self):
        if self.calculate_plans.currentItem() is None:
            return
        text = str(self.calculate_plans.currentItem().text())
        if text == "":
            return
        if text in self.settings.batch_plans:
            self.plan_to_edit = self.settings.batch_plans[text]
            self.plan_to_edit_signal.emit()

    def plan_preview(self, text):
        if self.protect:
            return
        text = str(text)
        if text.strip() == "":
            return
        plan = self.settings.batch_plans[str(text)]  # type: CalculationPlan
        self.plan_view.set_plan(plan)
 def refresh_profiles(list_widget: QListWidget,
                      new_values: typing.List[str], index: int):
     list_widget.clear()
     list_widget.addItems(new_values)
     if index != -1:
         list_widget.setCurrentRow(index)
Exemplo n.º 10
0
class PreferencesDialog(QDialog):
    """Preferences Dialog for Napari user settings."""

    resized = Signal(QSize)

    def __init__(self, parent=None):
        super().__init__(parent)

        self._list = QListWidget(self)
        self._stack = QStackedWidget(self)

        # Set up buttons
        self._button_cancel = QPushButton(trans._("Cancel"))
        self._button_ok = QPushButton(trans._("OK"))
        self._default_restore = QPushButton(trans._("Restore defaults"))

        # Setup
        self.setWindowTitle(trans._("Preferences"))

        # Layout
        main_layout = QHBoxLayout()
        main_layout.addWidget(self._list)
        main_layout.addWidget(self._stack)

        buttons_layout = QHBoxLayout()
        buttons_layout.addWidget(self._button_cancel)
        buttons_layout.addWidget(self._button_ok)

        layout = QVBoxLayout()
        layout.addLayout(main_layout)
        layout.addWidget(self._default_restore)
        layout.addLayout(buttons_layout)

        self.setLayout(layout)

        # Signals

        self._list.currentRowChanged.connect(
            lambda index: self._stack.setCurrentIndex(index))
        self._button_cancel.clicked.connect(self.on_click_cancel)
        self._button_ok.clicked.connect(self.on_click_ok)
        self._default_restore.clicked.connect(self.restore_defaults)

        # Make widget

        self.make_dialog()
        self._list.setCurrentRow(0)

    def resizeEvent(self, event):
        """Override to emit signal."""
        self.resized.emit(event.size())
        super().resizeEvent(event)

    def make_dialog(self):
        """Removes settings not to be exposed to user and creates dialog pages."""

        settings_list = [ApplicationSettings(), PluginSettings()]
        cnt = 0
        # Because there are multiple pages, need to keep a list of values sets.
        self._values_orig_set_list = []
        self._values_set_list = []
        for key, setting in SETTINGS.schemas().items():
            schema = json.loads(setting['json_schema'])
            # need to remove certain properties that will not be displayed on the GUI
            properties = schema.pop('properties')
            values = setting['model'].dict()
            for val in settings_list[cnt].NapariConfig().preferences_exclude:
                properties.pop(val)
                values.pop(val)

            cnt += 1
            schema['properties'] = properties
            self._values_orig_set_list.append(set(values.items()))
            self._values_set_list.append(set(values.items()))
            self.add_page(schema, values)

    def restore_defaults(self):
        """Launches dialog to confirm restore settings choice."""

        widget = ConfirmDialog(
            parent=self,
            text=trans._("Are you sure you want to restore default settings?"),
        )
        widget.valueChanged.connect(self._reset_widgets)
        widget.exec_()

    def _reset_widgets(self):
        """Deletes the widgets and rebuilds with defaults."""
        self.close()
        self._list.clear()

        for n in range(self._stack.count()):
            widget = self._stack.removeWidget(self._stack.currentWidget())
            del widget

        self.make_dialog()
        self._list.setCurrentRow(0)
        self.show()

    def on_click_ok(self):
        """Keeps the selected preferences saved to SETTINGS."""
        self.close()

    def on_click_cancel(self):
        """Restores the settings in place when dialog was launched."""
        # Need to check differences for each page.
        for n in range(self._stack.count()):
            # Must set the current row so that the proper set list is updated
            # in check differences.
            self._list.setCurrentRow(n)
            self.check_differences(
                self._values_orig_set_list[n],
                self._values_set_list[n],
            )
        self._list.setCurrentRow(0)
        self.close()

    def add_page(self, schema, values):
        """Creates a new page for each section in dialog.

        Parameters
        ----------
        schema : dict
            Json schema including all information to build each page in the
            preferences dialog.
        values : dict
            Dictionary of current values set in preferences.
        """
        widget = self.build_page_dialog(schema, values)
        self._list.addItem(schema["title"])
        self._stack.addWidget(widget)

    def build_page_dialog(self, schema, values):
        """Builds the preferences widget using the json schema builder.

        Parameters
        ----------
        schema : dict
            Json schema including all information to build each page in the
            preferences dialog.
        values : dict
            Dictionary of current values set in preferences.
        """

        builder = WidgetBuilder()
        form = builder.create_form(schema, {})
        # set state values for widget
        form.widget.state = values
        form.widget.on_changed.connect(lambda d: self.check_differences(
            set(d.items()),
            self._values_set_list[self._list.currentIndex().row()],
        ))

        return form

    def check_differences(self, new_set, values_set):
        """Changes settings in settings manager with changes from dialog.

        Parameters
        ----------
        new_set : set
            The set of new values, with tuples of key value pairs for each
            setting.
        values_set : set
            The old set of values.
        """

        page = self._list.currentItem().text().split(" ")[0].lower()
        different_values = list(new_set - values_set)

        if len(different_values) > 0:
            # change the values in SETTINGS
            for val in different_values:
                try:
                    setattr(SETTINGS._settings[page], val[0], val[1])
                    self._values_set_list[
                        self._list.currentIndex().row()] = new_set
                except:  # noqa: E722
                    continue
Exemplo n.º 11
0
class PreferencesDialog(QDialog):
    """Preferences Dialog for Napari user settings."""

    ui_schema = {
        "call_order": {
            "ui:widget": "plugins"
        },
        "highlight_thickness": {
            "ui:widget": "highlight"
        },
        "shortcuts": {
            "ui:widget": "shortcuts"
        },
    }

    resized = Signal(QSize)

    def __init__(self, parent=None):
        from ...settings import get_settings

        super().__init__(parent)
        self.setWindowTitle(trans._("Preferences"))

        self._settings = get_settings()
        self._stack = QStackedWidget(self)
        self._list = QListWidget(self)
        self._list.setObjectName("Preferences")
        self._list.currentRowChanged.connect(self._stack.setCurrentIndex)

        # Set up buttons
        self._button_cancel = QPushButton(trans._("Cancel"))
        self._button_cancel.clicked.connect(self.reject)
        self._button_ok = QPushButton(trans._("OK"))
        self._button_ok.clicked.connect(self.accept)
        self._button_ok.setDefault(True)
        self._button_restore = QPushButton(trans._("Restore defaults"))
        self._button_restore.clicked.connect(self._restore_default_dialog)

        # Layout
        left_layout = QVBoxLayout()
        left_layout.addWidget(self._list)
        left_layout.addStretch()
        left_layout.addWidget(self._button_restore)
        left_layout.addWidget(self._button_cancel)
        left_layout.addWidget(self._button_ok)

        self.setLayout(QHBoxLayout())
        self.layout().addLayout(left_layout, 1)
        self.layout().addWidget(self._stack, 3)

        # Build dialog from settings
        self._rebuild_dialog()

    def keyPressEvent(self, e: 'QKeyEvent'):
        if e.key() == Qt.Key_Escape:
            # escape key should just close the window
            # which implies "accept"
            e.accept()
            self.accept()
            return
        super().keyPressEvent(e)

    def resizeEvent(self, event):
        """Override to emit signal."""
        self.resized.emit(event.size())
        super().resizeEvent(event)

    def _rebuild_dialog(self):
        """Removes settings not to be exposed to user and creates dialog pages."""
        # FIXME: this dialog should not need to know about the plugin manager
        from ...plugins import plugin_manager

        self._starting_pm_order = plugin_manager.call_order()
        self._starting_values = self._settings.dict(exclude={'schema_version'})

        self._list.clear()
        while self._stack.count():
            self._stack.removeWidget(self._stack.currentWidget())

        for field in self._settings.__fields__.values():
            if isinstance(field.type_, type) and issubclass(
                    field.type_, BaseModel):
                self._add_page(field)

        self._list.setCurrentRow(0)

    def _add_page(self, field: 'ModelField'):
        """Builds the preferences widget using the json schema builder.

        Parameters
        ----------
        field : ModelField
            subfield for which to create a page.
        """
        from ..._vendor.qt_json_builder.qt_jsonschema_form import WidgetBuilder

        schema, values = self._get_page_dict(field)
        name = field.field_info.title or field.name

        form = WidgetBuilder().create_form(schema, self.ui_schema)
        # set state values for widget
        form.widget.state = values
        # make settings follow state of the form widget
        form.widget.on_changed.connect(
            lambda d: getattr(self._settings, name.lower()).update(d))

        # need to disable async if octree is enabled.
        # TODO: this shouldn't live here... if there is a coupling/dependency
        # between these settings, it should be declared in the settings schema
        if (name.lower() == 'experimental'
                and values['octree'] and self._settings.env_settings().get(
                    'experimental', {}).get('async_') not in (None, '0')):
            form_layout = form.widget.layout()
            for i in range(form_layout.count()):
                wdg = form_layout.itemAt(i, form_layout.FieldRole).widget()
                if getattr(wdg, '_name') == 'async_':
                    wdg.opacity.setOpacity(0.3)
                    wdg.setDisabled(True)
                    break

        self._list.addItem(field.field_info.title or field.name)
        self._stack.addWidget(form)

    def _get_page_dict(self, field: 'ModelField') -> Tuple[dict, dict, dict]:
        """Provides the schema, set of values for each setting, and the
        properties for each setting."""
        ftype = cast('BaseModel', field.type_)
        schema = json.loads(ftype.schema_json())

        # find enums:
        for name, subfield in ftype.__fields__.items():
            if isinstance(subfield.type_, EnumMeta):
                enums = [s.value for s in subfield.type_]  # type: ignore
                schema["properties"][name]["enum"] = enums
                schema["properties"][name]["type"] = "string"

        # Need to remove certain properties that will not be displayed on the GUI
        setting = getattr(self._settings, field.name)
        with setting.enums_as_values():
            values = setting.dict()
        napari_config = getattr(setting, "NapariConfig", None)
        if hasattr(napari_config, 'preferences_exclude'):
            for val in napari_config.preferences_exclude:
                schema['properties'].pop(val, None)
                values.pop(val, None)

        return schema, values

    def _restore_default_dialog(self):
        """Launches dialog to confirm restore settings choice."""
        response = QMessageBox.question(
            self,
            trans._("Restore Settings"),
            trans._("Are you sure you want to restore default settings?"),
            QMessageBox.RestoreDefaults | QMessageBox.Cancel,
            QMessageBox.RestoreDefaults,
        )
        if response == QMessageBox.RestoreDefaults:
            self._settings.reset()
            self._rebuild_dialog()  # TODO: do we need this?

    def _restart_required_dialog(self):
        """Displays the dialog informing user a restart is required."""
        QMessageBox.information(
            self,
            trans._("Restart required"),
            trans.
            _("A restart is required for some new settings to have an effect."
              ),
        )

    def closeEvent(self, event: 'QCloseEvent') -> None:
        event.accept()
        self.accept()

    def reject(self):
        """Restores the settings in place when dialog was launched."""
        self._settings.update(self._starting_values)

        # FIXME: this dialog should not need to know about the plugin manager
        if self._starting_pm_order:
            from ...plugins import plugin_manager

            plugin_manager.set_call_order(self._starting_pm_order)
        super().reject()
Exemplo n.º 12
0
class MainWindow(QMainWindow):
    FIT_WINDOW, FIT_WIDTH, MANUAL_ZOOM = 0, 1, 2

    def __init__(self, label_file=None):
        super(MainWindow, self).__init__()
        self.showMaximized()
        self.setWindowTitle("VTCC.Labelling")

        self.file_dirs = []
        self.file_id = -1
        self.labels = []
        with open(label_file, 'r') as f:
            lines = f.read().splitlines()
            for label in lines:
                self.labels.append(label)

        # RIGHT DOCK
        self.label_dock = QDockWidget("Label List", self)
        self.label_list_widget = QListWidget(self)
        self.load_labels(label_file)
        self.label_dock.setWidget(self.label_list_widget)

        self.object_dock = QDockWidget("Object List", self)
        self.object_list_widget = QListWidget(self)
        self.object_list_widget.currentRowChanged.connect(self.change_object)
        self.object_dock.setWidget(self.object_list_widget)

        self.file_dock = QDockWidget("File List", self)
        self.file_list_widget = QListWidget(self)
        self.file_list_widget.currentRowChanged.connect(self.change_file)
        self.file_dock.setWidget(self.file_list_widget)

        self.addDockWidget(Qt.RightDockWidgetArea, self.label_dock)
        self.addDockWidget(Qt.RightDockWidgetArea, self.object_dock)
        self.addDockWidget(Qt.RightDockWidgetArea, self.file_dock)

        # MAIN CANVAS
        self.canvas = Canvas(self)

        self.canvas_area = QScrollArea()
        self.canvas_area.setWidget(self.canvas)
        self.canvas_area.setWidgetResizable(True)
        self.scrollBars = {
            Qt.Vertical: self.canvas_area.verticalScrollBar(),
            Qt.Horizontal: self.canvas_area.horizontalScrollBar(),
        }
        self.setCentralWidget(self.canvas_area)

        # LEFT DOCK
        self.open_action = QAction(QIcon('icons/open.png'), 'Open File', self)
        self.open_action.triggered.connect(self.open_file)
        self.open_action.setShortcut(QKeySequence("Ctrl+O"))
        self.open_dir_action = QAction(QIcon('icons/open.png'), 'Open Dir',
                                       self)
        self.open_dir_action.triggered.connect(self.open_dir)

        self.next_img_action = QAction(QIcon('icons/next.png'), 'Next Image',
                                       self)
        self.next_img_action.triggered.connect(self.next_img)
        self.next_img_action.setShortcut(QKeySequence("Right"))
        self.prev_img_action = QAction(QIcon('icons/prev.png'), 'Prev Image',
                                       self)
        self.prev_img_action.triggered.connect(self.prev_img)
        self.prev_img_action.setShortcut(QKeySequence("Left"))

        self.zoom_in_action = QAction(QIcon('icons/zoom-in.png'), 'Zoom In',
                                      self)
        self.zoom_in_action.triggered.connect(self.zoom_in)
        self.zoom_out_action = QAction(QIcon('icons/zoom-out.png'), 'Zoom Out',
                                       self)
        self.zoom_out_action.triggered.connect(self.zoom_out)
        self.zoom_org_action = QAction(QIcon('icons/fit-window.png'),
                                       'Fit Window', self)
        self.zoom_org_action.triggered.connect(self.zoom_org)

        self.rectangle_action = QAction(QIcon('icons/objects.png'),
                                        'New Rectangle', self)
        self.rectangle_action.triggered.connect(self.new_rectangle)
        self.auto_polygon_action = QAction(QIcon('icons/objects.png'),
                                           'New Auto-Polygon', self)
        self.auto_polygon_action.triggered.connect(self.new_auto_polygon)
        self.polygon_action = QAction(QIcon('icons/objects.png'),
                                      'New Polygon', self)
        self.polygon_action.triggered.connect(self.new_polygon)

        self.next_obj_action = QAction(QIcon('icons/next.png'), 'Next Object',
                                       self)
        self.next_obj_action.triggered.connect(self.canvas.next_obj)
        self.next_obj_action.setShortcut(QKeySequence("Down"))
        self.prev_obj_action = QAction(QIcon('icons/prev.png'), 'Prev Object',
                                       self)
        self.prev_obj_action.triggered.connect(self.canvas.prev_obj)
        self.prev_obj_action.setShortcut(QKeySequence("Up"))
        self.del_obj_action = QAction(QIcon('icons/delete.png'),
                                      'Delete Object', self)
        self.del_obj_action.triggered.connect(self.canvas.del_obj)
        self.del_obj_action.setShortcut(QKeySequence("Del"))

        self.toolbar = QToolBar(self)
        self.toolbar.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
        self.toolbar.addAction(self.open_action)
        self.toolbar.addAction(self.open_dir_action)
        self.toolbar.addAction(self.next_img_action)
        self.toolbar.addAction(self.prev_img_action)
        # self.toolbar.addAction(self.zoom_in_action)
        # self.toolbar.addAction(self.zoom_out_action)
        # self.toolbar.addAction(self.zoom_org_action)
        self.toolbar.addAction(self.rectangle_action)
        self.toolbar.addAction(self.auto_polygon_action)
        self.toolbar.addAction(self.polygon_action)
        self.toolbar.addAction(self.next_obj_action)
        self.toolbar.addAction(self.prev_obj_action)
        self.toolbar.addAction(self.del_obj_action)

        self.addToolBar(Qt.LeftToolBarArea, self.toolbar)

        self.scalers = {
            self.FIT_WINDOW:
            self.scaleFitWindow,
            self.FIT_WIDTH:
            self.scaleFitWidth,
            # Set to one to scale to 100% when loading files.
            self.MANUAL_ZOOM:
            lambda: 1,
        }

    def update_mode(self, mode_id):
        pass

    def change_object(self, row):
        if (row >= 0):
            self.canvas.cur_object = row
            self.canvas.repaint()

    def change_file(self, row):
        if (row >= 0):
            self.file_id = row
            self.canvas.load_file(self.file_dirs[self.file_id])
            self.adjustScale(initial=True)

    def open_file(self):
        path = '.'
        if len(self.file_dirs) > 0:
            path = os.path.dirname(str(self.file_dirs[0]))

        formats = [
            '*.{}'.format(fmt.data().decode())
            for fmt in QImageReader.supportedImageFormats()
        ]
        filters = "Image files (%s)" % ' '.join(formats)
        file_dir = QFileDialog.getOpenFileName(self, \
                    "Choose Image file", path, filters)[0]

        self.file_dirs = [file_dir]
        self.import_files()

    def open_dir(self):
        targetDirPath = str(
            QFileDialog.getExistingDirectory(
                self, 'Open Directory', '.',
                QFileDialog.ShowDirsOnly | QFileDialog.DontResolveSymlinks))

        self.file_dirs = []
        for fmt in QImageReader.supportedImageFormats():
            pattern = os.path.join(targetDirPath, "*." + fmt.data().decode())
            self.file_dirs += glob.glob(pattern)
        self.import_files()

    def next_img(self):
        if (len(self.file_dirs) > 0):
            self.file_id = (self.file_id + 1) % len(self.file_dirs)
            self.canvas.load_file(self.file_dirs[self.file_id])
            self.adjustScale(initial=True)
            self.file_list_widget.setCurrentRow(self.file_id)

    def prev_img(self):
        if (len(self.file_dirs) > 0):
            self.file_id = (self.file_id + len(self.file_dirs) - 1) % len(
                self.file_dirs)
            self.canvas.load_file(self.file_dirs[self.file_id])
            self.adjustScale(initial=True)
            self.file_list_widget.setCurrentRow(self.file_id)

    def import_files(self):
        self.load_file_list()

        self.file_id = 0
        self.canvas.load_file(self.file_dirs[0])
        self.adjustScale(initial=True)
        self.file_list_widget.setCurrentRow(self.file_id)

    def load_labels(self, label_file):
        self.label_list_widget.clear()
        for label in self.labels:
            item = QListWidgetItem(label)
            self.label_list_widget.addItem(item)

    def load_object_list(self, objects):
        self.object_list_widget.clear()
        for obj in objects:
            item = QListWidgetItem(obj.label)
            self.object_list_widget.addItem(item)

    def load_file_list(self):
        self.file_list_widget.clear()

        for image_dir in self.file_dirs:
            if not QFile.exists(image_dir):
                continue
            item = QListWidgetItem(image_dir)
            item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
            label_dir = os.path.splitext(image_dir)[0] + '.json'
            if QFile.exists(label_dir):
                item.setCheckState(Qt.Checked)
            else:
                item.setCheckState(Qt.Unchecked)
            self.file_list_widget.addItem(item)

    def scaleFitWindow(self):
        """Figure out the size of the pixmap to fit the main widget."""
        e = 2.0  # So that no scrollbars are generated.
        w1 = self.centralWidget().width() - e
        h1 = self.centralWidget().height() - e
        a1 = w1 / h1
        # Calculate a new scale value based on the pixmap's aspect ratio.
        w2 = self.canvas.pixmap.width() - 0.0
        h2 = self.canvas.pixmap.height() - 0.0
        a2 = w2 / h2
        return w1 / w2 if a2 >= a1 else h1 / h2

    def scaleFitWidth(self):
        # The epsilon does not seem to work too well here.
        w = self.centralWidget().width() - 2.0
        return w / self.canvas.pixmap.width()

    def adjustScale(self, initial=False):
        value = self.scalers[self.FIT_WINDOW if initial else self.zoomMode]()
        self.canvas.rescale(value)

    def zoom_in(self):
        value = self.canvas.scale
        self.canvas.rescale(value * 1.1)

    def zoom_out(self):
        value = self.canvas.scale
        self.canvas.rescale(value * 0.9)

    def zoom_org(self):
        print(self.centralWidget().width(), self.centralWidget().height())
        print(self.canvas.pixmap.width(), self.canvas.pixmap.height())
        print(self.canvas.width(), self.canvas.height())
        print(self.canvas_area.width(), self.canvas_area.height())
        self.adjustScale(initial=True)

    def new_rectangle(self):
        self.canvas.points = []
        self.canvas.mode = self.canvas.RECTANGLE

    def new_auto_polygon(self):
        self.canvas.points = []
        self.canvas.mode = self.canvas.AUTO_POLYGON

    def new_polygon(self):
        self.canvas.points = []
        self.canvas.mode = self.canvas.POLYGON
Exemplo n.º 13
0
class FileAssociationsWidget(QWidget):
    """Widget to add applications association to file extensions."""

    # This allows validating a single extension entry or a list of comma
    # separated values (eg `*.json` or `*.json,*.txt,MANIFEST.in`)
    _EXTENSIONS_LIST_REGEX = (r'(?:(?:\*{1,1}|\w+)\.\w+)'
                              r'(?:,(?:\*{1,1}|\w+)\.\w+){0,20}')
    sig_data_changed = Signal(dict)

    def __init__(self, parent=None):
        """Widget to add applications association to file extensions."""
        super(FileAssociationsWidget, self).__init__(parent=parent)

        # Variables
        self._data = {}
        self._dlg_applications = None
        self._dlg_input = None
        self._regex = re.compile(self._EXTENSIONS_LIST_REGEX)

        # Widgets
        self.label = QLabel(
            _("Here you can associate different external applications "
              "to open specific file extensions (e.g. .txt "
              "files with Notepad++ or .csv files with Excel).")
        )
        self.label.setWordWrap(True)
        self.label_extensions = QLabel(_('File types:'))
        self.list_extensions = QListWidget()
        self.button_add = QPushButton(_('Add'))
        self.button_remove = QPushButton(_('Remove'))
        self.button_edit = QPushButton(_('Edit'))

        self.label_applications = QLabel(_('Associated applications:'))
        self.list_applications = QListWidget()
        self.button_add_application = QPushButton(_('Add'))
        self.button_remove_application = QPushButton(_('Remove'))
        self.button_default = QPushButton(_('Set default'))

        # Layout
        layout_extensions = QHBoxLayout()
        layout_extensions.addWidget(self.list_extensions, 4)

        layout_buttons_extensions = QVBoxLayout()
        layout_buttons_extensions.addWidget(self.button_add)
        layout_buttons_extensions.addWidget(self.button_remove)
        layout_buttons_extensions.addWidget(self.button_edit)
        layout_buttons_extensions.addStretch()

        layout_applications = QHBoxLayout()
        layout_applications.addWidget(self.list_applications, 4)

        layout_buttons_applications = QVBoxLayout()
        layout_buttons_applications.addWidget(self.button_add_application)
        layout_buttons_applications.addWidget(self.button_remove_application)
        layout_buttons_applications.addWidget(self.button_default)
        layout_buttons_applications.addStretch()

        layout_extensions.addLayout(layout_buttons_extensions, 2)
        layout_applications.addLayout(layout_buttons_applications, 2)

        layout = QVBoxLayout()
        layout.addWidget(self.label)
        layout.addWidget(self.label_extensions)
        layout.addLayout(layout_extensions)
        layout.addWidget(self.label_applications)
        layout.addLayout(layout_applications)

        self.setLayout(layout)

        # Signals
        self.button_add.clicked.connect(lambda: self.add_association())
        self.button_remove.clicked.connect(self.remove_association)
        self.button_edit.clicked.connect(self.edit_association)
        self.button_add_application.clicked.connect(self.add_application)
        self.button_remove_application.clicked.connect(
            self.remove_application)
        self.button_default.clicked.connect(self.set_default_application)
        self.list_extensions.currentRowChanged.connect(self.update_extensions)
        self.list_extensions.itemDoubleClicked.connect(self.edit_association)
        self.list_applications.currentRowChanged.connect(
            self.update_applications)
        self._refresh()
        self._create_association_dialog()

    def _refresh(self):
        """Refresh the status of buttons on widget."""
        self.setUpdatesEnabled(False)
        for widget in [self.button_remove,  self.button_add_application,
                       self.button_edit,
                       self.button_remove_application, self.button_default]:
            widget.setDisabled(True)

        item = self.list_extensions.currentItem()
        if item:
            for widget in [self.button_remove, self.button_add_application,
                           self.button_remove_application, self.button_edit]:
                widget.setDisabled(False)
        self.update_applications()
        self.setUpdatesEnabled(True)

    def _add_association(self, value):
        """Add association helper."""
        # Check value is not pressent
        for row in range(self.list_extensions.count()):
            item = self.list_extensions.item(row)
            if item.text().strip() == value.strip():
                break
        else:
            item = QListWidgetItem(value)
            self.list_extensions.addItem(item)
            self.list_extensions.setCurrentItem(item)

        self._refresh()

    def _add_application(self, app_name, fpath):
        """Add application helper."""
        app_not_found_text = _(' (Application not found!)')
        for row in range(self.list_applications.count()):
            item = self.list_applications.item(row)
            # Ensure the actual name is checked without the `app not found`
            # additional text, in case app was not found
            item_text = item.text().replace(app_not_found_text, '').strip()
            if item and item_text == app_name:
                break
        else:
            icon = get_application_icon(fpath)

            if not (os.path.isfile(fpath) or os.path.isdir(fpath)):
                app_name += app_not_found_text

            item = QListWidgetItem(icon, app_name)
            self.list_applications.addItem(item)
            self.list_applications.setCurrentItem(item)

        if not (os.path.isfile(fpath) or os.path.isdir(fpath)):
            item.setToolTip(_('Application not found!'))

    def _update_extensions(self):
        """Update extensions list."""
        self.list_extensions.clear()
        for extension, _ in sorted(self._data.items()):
            self._add_association(extension)

        # Select first item
        self.list_extensions.setCurrentRow(0)
        self.update_extensions()
        self.update_applications()

    def _create_association_dialog(self):
        """Create input extension dialog and save it to for reuse."""
        self._dlg_input = InputTextDialog(
            self,
            title=_('File association'),
            label=(
                _('Enter new file extension. You can add several values '
                  'separated by commas.<br>Examples include:')
                + '<ul><li><code>*.txt</code></li>'
                + '<li><code>*.json,*,csv</code></li>'
                + '<li><code>*.json,README.md</code></li></ul>'
            ),
        )
        self._dlg_input.set_regex_validation(self._EXTENSIONS_LIST_REGEX)

    def load_values(self, data=None):
        """
        Load file associations data.

        Format {'*.ext': [['Application Name', '/path/to/app/executable']]}

        `/path/to/app/executable` is an executable app on mac and windows and
        a .desktop xdg file on linux.
        """
        self._data = {} if data is None else data
        self._update_extensions()

    def add_association(self, value=None):
        """Add extension file association."""
        if value is None:
            text, ok_pressed = '', False
            self._dlg_input.set_text('')

            if self._dlg_input.exec_():
                text = self._dlg_input.text()
                ok_pressed = True
        else:
            match = self._regex.match(value)
            text, ok_pressed = value, bool(match)

        if ok_pressed:
            if text not in self._data:
                self._data[text] = []
                self._add_association(text)
                self.check_data_changed()

    def remove_association(self):
        """Remove extension file association."""
        if self._data:
            if self.current_extension:
                self._data.pop(self.current_extension)
                self._update_extensions()
                self._refresh()
                self.check_data_changed()

    def edit_association(self):
        """Edit text of current selected association."""
        old_text = self.current_extension
        self._dlg_input.set_text(old_text)

        if self._dlg_input.exec_():
            new_text = self._dlg_input.text()
            if old_text != new_text:
                values = self._data.pop(self.current_extension)
                self._data[new_text] = values
                self._update_extensions()
                self._refresh()
                for row in range(self.list_extensions.count()):
                    item = self.list_extensions.item(row)
                    if item.text() == new_text:
                        self.list_extensions.setCurrentItem(item)
                        break
                self.check_data_changed()

    def add_application(self):
        """Remove application to selected extension."""
        if self.current_extension:
            if self._dlg_applications is None:
                self._dlg_applications = ApplicationsDialog(self)

            self._dlg_applications.set_extension(self.current_extension)

            if self._dlg_applications.exec_():
                app_name = self._dlg_applications.application_name
                fpath = self._dlg_applications.application_path
                self._data[self.current_extension].append((app_name, fpath))
                self._add_application(app_name, fpath)
                self.check_data_changed()

    def remove_application(self):
        """Remove application from selected extension."""
        current_row = self.list_applications.currentRow()
        values = self._data.get(self.current_extension)
        if values and current_row != -1:
            values.pop(current_row)
            self.update_extensions()
            self.update_applications()
            self.check_data_changed()

    def set_default_application(self):
        """
        Set the selected item on the application list as default application.
        """
        current_row = self.list_applications.currentRow()
        if current_row != -1:
            values = self._data[self.current_extension]
            value = values.pop(current_row)
            values.insert(0, value)
            self._data[self.current_extension] = values
            self.update_extensions()
            self.check_data_changed()

    def update_extensions(self, row=None):
        """Update extensiosn list after additions or deletions."""
        self.list_applications.clear()
        for extension, values in self._data.items():
            if extension.strip() == self.current_extension:
                for (app_name, fpath) in values:
                    self._add_application(app_name, fpath)
                break
        self.list_applications.setCurrentRow(0)
        self._refresh()

    def update_applications(self, row=None):
        """Update application list after additions or deletions."""
        current_row = self.list_applications.currentRow()
        self.button_default.setEnabled(current_row != 0)

    def check_data_changed(self):
        """Check if data has changed and emit signal as needed."""
        self.sig_data_changed.emit(self._data)

    @property
    def current_extension(self):
        """Return the current selected extension text."""
        item = self.list_extensions.currentItem()
        if item:
            return item.text()

    @property
    def data(self):
        """Return the current file associations data."""
        return self._data.copy()
Exemplo n.º 14
0
class MeasurementSettings(QWidget):
    """
    :type settings: Settings
    """
    def __init__(self, settings: PartSettings, parent=None):
        super().__init__(parent)
        self.chosen_element: Optional[MeasurementListWidgetItem] = None
        self.chosen_element_area: Optional[Tuple[AreaType, float]] = None
        self.settings = settings
        self.profile_list = QListWidget(self)
        self.profile_description = QTextEdit(self)
        self.profile_description.setReadOnly(True)
        self.profile_options = QListWidget()
        self.profile_options_chosen = QListWidget()
        self.measurement_area_choose = EnumComboBox(AreaType)
        self.per_component = EnumComboBox(PerComponent)
        self.power_num = QDoubleSpinBox()
        self.power_num.setDecimals(3)
        self.power_num.setRange(-100, 100)
        self.power_num.setValue(1)
        self.choose_butt = QPushButton("→", self)
        self.discard_butt = QPushButton("←", self)
        self.proportion_butt = QPushButton("Ratio", self)
        self.proportion_butt.setToolTip("Create proportion from two parameter")
        self.move_up = QPushButton("↑", self)
        self.move_down = QPushButton("↓", self)
        self.remove_button = QPushButton("Remove")
        self.save_butt = QPushButton("Save")
        self.save_butt.setToolTip(
            "Set name for set and choose at least one parameter")
        self.save_butt_with_name = QPushButton(
            "Save with custom parameters designation")
        self.save_butt_with_name.setToolTip(
            "Set name for set and choose at least one parameter")
        self.reset_butt = QPushButton("Clear")
        self.soft_reset_butt = QPushButton("Remove user parameters")
        self.profile_name = QLineEdit(self)

        self.delete_profile_butt = QPushButton("Delete ")
        self.export_profiles_butt = QPushButton("Export")
        self.import_profiles_butt = QPushButton("Import")
        self.edit_profile_butt = QPushButton("Edit")

        self.choose_butt.setDisabled(True)
        self.choose_butt.clicked.connect(self.choose_option)
        self.discard_butt.setDisabled(True)
        self.discard_butt.clicked.connect(self.discard_option)
        self.proportion_butt.setDisabled(True)
        self.proportion_butt.clicked.connect(self.proportion_action)
        self.save_butt.setDisabled(True)
        self.save_butt.clicked.connect(self.save_action)
        self.save_butt_with_name.setDisabled(True)
        self.save_butt_with_name.clicked.connect(self.named_save_action)
        self.profile_name.textChanged.connect(self.name_changed)
        self.move_down.setDisabled(True)
        self.move_down.clicked.connect(self.move_down_fun)
        self.move_up.setDisabled(True)
        self.move_up.clicked.connect(self.move_up_fun)
        self.remove_button.setDisabled(True)
        self.remove_button.clicked.connect(self.remove_element)
        self.reset_butt.clicked.connect(self.reset_action)
        self.soft_reset_butt.clicked.connect(self.soft_reset)
        self.delete_profile_butt.setDisabled(True)
        self.delete_profile_butt.clicked.connect(self.delete_profile)
        self.export_profiles_butt.clicked.connect(
            self.export_measurement_profiles)
        self.import_profiles_butt.clicked.connect(
            self.import_measurement_profiles)
        self.edit_profile_butt.clicked.connect(self.edit_profile)

        self.profile_list.itemSelectionChanged.connect(self.profile_chosen)
        self.profile_options.itemSelectionChanged.connect(
            self.create_selection_changed)
        self.profile_options_chosen.itemSelectionChanged.connect(
            self.create_selection_chosen_changed)

        layout = QVBoxLayout()
        layout.addWidget(QLabel("Measurement set:"))
        profile_layout = QHBoxLayout()
        profile_layout.addWidget(self.profile_list)
        profile_layout.addWidget(self.profile_description)
        profile_buttons_layout = QHBoxLayout()
        profile_buttons_layout.addWidget(self.delete_profile_butt)
        profile_buttons_layout.addWidget(self.export_profiles_butt)
        profile_buttons_layout.addWidget(self.import_profiles_butt)
        profile_buttons_layout.addWidget(self.edit_profile_butt)
        profile_buttons_layout.addStretch()
        layout.addLayout(profile_layout)
        layout.addLayout(profile_buttons_layout)
        heading_layout = QHBoxLayout()
        # heading_layout.addWidget(QLabel("Create profile"), 1)
        heading_layout.addWidget(h_line(), 6)
        layout.addLayout(heading_layout)
        name_layout = QHBoxLayout()
        name_layout.addWidget(QLabel("Set name:"))
        name_layout.addWidget(self.profile_name)
        name_layout.addStretch()
        name_layout.addWidget(QLabel("Per component:"))
        name_layout.addWidget(self.per_component)
        name_layout.addWidget(QLabel("Area:"))
        name_layout.addWidget(self.measurement_area_choose)
        name_layout.addWidget(QLabel("to power:"))
        name_layout.addWidget(self.power_num)
        layout.addLayout(name_layout)
        create_layout = QHBoxLayout()
        create_layout.addWidget(self.profile_options)
        butt_op_layout = QVBoxLayout()
        butt_op_layout.addStretch()
        butt_op_layout.addWidget(self.choose_butt)
        butt_op_layout.addWidget(self.discard_butt)
        butt_op_layout.addWidget(self.proportion_butt)
        butt_op_layout.addWidget(self.reset_butt)
        butt_op_layout.addStretch()
        create_layout.addLayout(butt_op_layout)
        create_layout.addWidget(self.profile_options_chosen)
        butt_move_layout = QVBoxLayout()
        butt_move_layout.addStretch()
        butt_move_layout.addWidget(self.move_up)
        butt_move_layout.addWidget(self.move_down)
        butt_move_layout.addWidget(self.remove_button)
        butt_move_layout.addStretch()
        create_layout.addLayout(butt_move_layout)
        layout.addLayout(create_layout)
        save_butt_layout = QHBoxLayout()
        save_butt_layout.addWidget(self.soft_reset_butt)
        save_butt_layout.addStretch()
        save_butt_layout.addWidget(self.save_butt)
        save_butt_layout.addWidget(self.save_butt_with_name)
        layout.addLayout(save_butt_layout)
        self.setLayout(layout)

        for profile in MEASUREMENT_DICT.values():
            help_text = profile.get_description()
            lw = MeasurementListWidgetItem(profile.get_starting_leaf())
            lw.setToolTip(help_text)
            self.profile_options.addItem(lw)
        self.profile_list.addItems(
            list(sorted(self.settings.measurement_profiles.keys())))
        if self.profile_list.count() == 0:
            self.export_profiles_butt.setDisabled(True)

    def remove_element(self):
        elem = self.profile_options_chosen.currentItem()
        if elem is None:
            return
        index = self.profile_options_chosen.currentRow()
        self.profile_options_chosen.takeItem(index)
        if self.profile_options_chosen.count() == 0:
            self.move_down.setDisabled(True)
            self.move_up.setDisabled(True)
            self.remove_button.setDisabled(True)
            self.discard_butt.setDisabled(True)
            self.save_butt.setDisabled(True)
            self.save_butt_with_name.setDisabled(True)

    def delete_profile(self):
        row = self.profile_list.currentRow()
        item = self.profile_list.currentItem()
        del self.settings.measurement_profiles[str(item.text())]
        self.profile_list.takeItem(row)
        if self.profile_list.count() == 0:
            self.delete_profile_butt.setDisabled(True)

    def profile_chosen(self):
        self.delete_profile_butt.setEnabled(True)
        if self.profile_list.count() == 0:
            self.profile_description.setText("")
            return
        item = self.profile_list.currentItem()
        if item is None:
            self.profile_description.setText("")
            return
        profile = self.settings.measurement_profiles[item.text()]
        self.profile_description.setText(str(profile))

    def create_selection_changed(self):
        self.choose_butt.setEnabled(True)
        self.proportion_butt.setEnabled(True)

    def proportion_action(self):
        # TODO use get_parameters
        if self.chosen_element is None:
            item = self.profile_options.currentItem()
            self.chosen_element_area = self.get_parameters(
                deepcopy(item.stat),
                self.measurement_area_choose.get_value(),
                self.per_component.get_value(),
                self.power_num.value(),
            )
            if self.chosen_element_area is None:
                return
            self.chosen_element = item
            item.setIcon(QIcon(os.path.join(icons_dir, "task-accepted.png")))
        elif (self.profile_options.currentItem() == self.chosen_element
              and self.measurement_area_choose.get_value()
              == self.chosen_element_area.area
              and self.per_component.get_value()
              == self.chosen_element_area.per_component):
            self.chosen_element.setIcon(QIcon())
            self.chosen_element = None
        else:
            item: MeasurementListWidgetItem = self.profile_options.currentItem(
            )
            leaf = self.get_parameters(
                deepcopy(item.stat),
                self.measurement_area_choose.get_value(),
                self.per_component.get_value(),
                self.power_num.value(),
            )
            if leaf is None:
                return
            lw = MeasurementListWidgetItem(
                Node(op="/", left=self.chosen_element_area, right=leaf))
            lw.setToolTip("User defined")
            self.profile_options_chosen.addItem(lw)
            self.chosen_element.setIcon(QIcon())
            self.chosen_element = None
            self.chosen_element_area = None
            if self.good_name():
                self.save_butt.setEnabled(True)
                self.save_butt_with_name.setEnabled(True)
            if self.profile_options.count() == 0:
                self.choose_butt.setDisabled(True)

    def create_selection_chosen_changed(self):
        # print(self.profile_options_chosen.count())
        self.remove_button.setEnabled(True)
        if self.profile_options_chosen.count() == 0:
            self.move_down.setDisabled(True)
            self.move_up.setDisabled(True)
            self.remove_button.setDisabled(True)
            return
        self.discard_butt.setEnabled(True)
        if self.profile_options_chosen.currentRow() != 0:
            self.move_up.setEnabled(True)
        else:
            self.move_up.setDisabled(True)
        if self.profile_options_chosen.currentRow(
        ) != self.profile_options_chosen.count() - 1:
            self.move_down.setEnabled(True)
        else:
            self.move_down.setDisabled(True)

    def good_name(self):
        if str(self.profile_name.text()).strip() == "":
            return False
        return True

    def move_down_fun(self):
        row = self.profile_options_chosen.currentRow()
        item = self.profile_options_chosen.takeItem(row)
        self.profile_options_chosen.insertItem(row + 1, item)
        self.profile_options_chosen.setCurrentRow(row + 1)
        self.create_selection_chosen_changed()

    def move_up_fun(self):
        row = self.profile_options_chosen.currentRow()
        item = self.profile_options_chosen.takeItem(row)
        self.profile_options_chosen.insertItem(row - 1, item)
        self.profile_options_chosen.setCurrentRow(row - 1)
        self.create_selection_chosen_changed()

    def name_changed(self):
        if self.good_name() and self.profile_options_chosen.count() > 0:
            self.save_butt.setEnabled(True)
            self.save_butt_with_name.setEnabled(True)
        else:
            self.save_butt.setDisabled(True)
            self.save_butt_with_name.setDisabled(True)

    @staticmethod
    def get_parameters(node: Union[Node, Leaf], area: AreaType,
                       component: PerComponent, power: float):
        if isinstance(node, Node):
            return node
        node = node.replace_(power=power)
        if node.area is None:
            node = node.replace_(area=area)
        if node.per_component is None:
            node = node.replace_(per_component=component)
        try:
            arguments = MEASUREMENT_DICT[str(node.name)].get_fields()
            if len(arguments) > 0 and len(node.dict) == 0:
                dial = FormDialog(arguments)
                if dial.exec():
                    node = node._replace(dict=dial.get_values())
                else:
                    return
        except KeyError:
            pass
        return node

    def choose_option(self):
        selected_item = self.profile_options.currentItem()
        # selected_row = self.profile_options.currentRow()
        if not isinstance(selected_item, MeasurementListWidgetItem):
            raise ValueError(
                f"Current item (type: {type(selected_item)} is not instance of MeasurementListWidgetItem"
            )
        node = deepcopy(selected_item.stat)
        # noinspection PyTypeChecker
        node = self.get_parameters(node,
                                   self.measurement_area_choose.get_value(),
                                   self.per_component.get_value(),
                                   self.power_num.value())
        if node is None:
            return
        lw = MeasurementListWidgetItem(node)
        for i in range(self.profile_options_chosen.count()):
            if lw.text() == self.profile_options_chosen.item(i).text():
                return
        lw.setToolTip(selected_item.toolTip())
        self.profile_options_chosen.addItem(lw)
        if self.good_name():
            self.save_butt.setEnabled(True)
            self.save_butt_with_name.setEnabled(True)
        if self.profile_options.count() == 0:
            self.choose_butt.setDisabled(True)

    def discard_option(self):
        selected_item: MeasurementListWidgetItem = self.profile_options_chosen.currentItem(
        )
        #  selected_row = self.profile_options_chosen.currentRow()
        lw = MeasurementListWidgetItem(deepcopy(selected_item.stat))
        lw.setToolTip(selected_item.toolTip())
        self.create_selection_chosen_changed()
        for i in range(self.profile_options.count()):
            if lw.text() == self.profile_options.item(i).text():
                return
        self.profile_options.addItem(lw)

    def edit_profile(self):
        item = self.profile_list.currentItem()
        if item is None:
            return
        profile = self.settings.measurement_profiles[str(item.text())]
        self.profile_options_chosen.clear()
        self.profile_name.setText(item.text())
        for ch in profile.chosen_fields:
            self.profile_options_chosen.addItem(
                MeasurementListWidgetItem(ch.calculation_tree))
        # self.gauss_img.setChecked(profile.use_gauss_image)
        self.save_butt.setEnabled(True)
        self.save_butt_with_name.setEnabled(True)

    def save_action(self):
        for i in range(self.profile_list.count()):
            if self.profile_name.text() == self.profile_list.item(i).text():
                ret = QMessageBox.warning(
                    self,
                    "Profile exist",
                    "Profile exist\nWould you like to overwrite it?",
                    QMessageBox.No | QMessageBox.Yes,
                )
                if ret == QMessageBox.No:
                    return
        selected_values = []
        for i in range(self.profile_options_chosen.count()):
            element: MeasurementListWidgetItem = self.profile_options_chosen.item(
                i)
            selected_values.append(
                MeasurementEntry(element.text(), element.stat))
        stat_prof = MeasurementProfile(self.profile_name.text(),
                                       selected_values)
        if stat_prof.name not in self.settings.measurement_profiles:
            self.profile_list.addItem(stat_prof.name)
        self.settings.measurement_profiles[stat_prof.name] = stat_prof
        self.settings.dump()
        self.export_profiles_butt.setEnabled(True)

    def named_save_action(self):
        for i in range(self.profile_list.count()):
            if self.profile_name.text() == self.profile_list.item(i).text():
                ret = QMessageBox.warning(
                    self,
                    "Profile exist",
                    "Profile exist\nWould you like to overwrite it?",
                    QMessageBox.No | QMessageBox.Yes,
                )
                if ret == QMessageBox.No:
                    return
        selected_values = []
        for i in range(self.profile_options_chosen.count()):
            txt = str(self.profile_options_chosen.item(i).text())
            selected_values.append((txt, str, txt))
        val_dialog = MultipleInput("Set fields name", list(selected_values))
        if val_dialog.exec_():
            selected_values = []
            for i in range(self.profile_options_chosen.count()):
                element: MeasurementListWidgetItem = self.profile_options_chosen.item(
                    i)
                selected_values.append(
                    MeasurementEntry(val_dialog.result[element.text()],
                                     element.stat))
            stat_prof = MeasurementProfile(self.profile_name.text(),
                                           selected_values)
            if stat_prof.name not in self.settings.measurement_profiles:
                self.profile_list.addItem(stat_prof.name)
            self.settings.measurement_profiles[stat_prof.name] = stat_prof
            self.export_profiles_butt.setEnabled(True)

    def reset_action(self):
        self.profile_options.clear()
        self.profile_options_chosen.clear()
        self.profile_name.setText("")
        self.save_butt.setDisabled(True)
        self.save_butt_with_name.setDisabled(True)
        self.move_down.setDisabled(True)
        self.move_up.setDisabled(True)
        self.proportion_butt.setDisabled(True)
        self.choose_butt.setDisabled(True)
        self.discard_butt.setDisabled(True)
        for profile in MEASUREMENT_DICT.values():
            help_text = profile.get_description()
            lw = MeasurementListWidgetItem(profile.get_starting_leaf())
            lw.setToolTip(help_text)
            self.profile_options.addItem(lw)

    def soft_reset(self):
        # TODO rim should not be removed
        shift = 0
        for i in range(self.profile_options.count()):
            item = self.profile_options.item(i - shift)
            if str(item.text()) not in MEASUREMENT_DICT:
                self.profile_options.takeItem(i - shift)
                if item == self.chosen_element:
                    self.chosen_element = None
                del item
                shift += 1
        self.create_selection_changed()

    def export_measurement_profiles(self):
        exp = ExportDialog(self.settings.measurement_profiles, StringViewer)
        if not exp.exec_():
            return
        dial = QFileDialog(self, "Export settings profiles")
        dial.setDirectory(self.settings.get("io.export_directory", ""))
        dial.setFileMode(QFileDialog.AnyFile)
        dial.setAcceptMode(QFileDialog.AcceptSave)
        dial.setNameFilter("measurement profile (*.json)")
        dial.setDefaultSuffix("json")
        dial.selectFile("measurements_profile.json")

        if dial.exec_():
            file_path = str(dial.selectedFiles()[0])
            self.settings.set("io.export_directory", file_path)
            data = {
                x: self.settings.measurement_profiles[x]
                for x in exp.get_export_list()
            }
            with open(file_path, "w") as ff:
                json.dump(data,
                          ff,
                          cls=self.settings.json_encoder_class,
                          indent=2)
            self.settings.set("io.save_directory", os.path.dirname(file_path))

    def import_measurement_profiles(self):
        dial = QFileDialog(self, "Import settings profiles")
        dial.setDirectory(self.settings.get("io.export_directory", ""))
        dial.setFileMode(QFileDialog.ExistingFile)
        dial.setNameFilter("measurement profile (*.json)")
        if dial.exec_():
            file_path = str(dial.selectedFiles()[0])
            self.settings.set("io.export_directory", file_path)
            stat, err = self.settings.load_part(file_path)
            if err:
                QMessageBox.warning(
                    self, "Import error",
                    "error during importing, part of data were filtered.")
            measurement_dict = self.settings.measurement_profiles
            imp = ImportDialog(stat, measurement_dict, StringViewer)
            if not imp.exec_():
                return
            for original_name, final_name in imp.get_import_list():
                measurement_dict[final_name] = stat[original_name]
            self.profile_list.clear()
            self.profile_list.addItems(list(sorted(measurement_dict.keys())))
            self.settings.dump()
Exemplo n.º 15
0
class ConfigDialog(QDialog):
    """Spyder configuration ('Preferences') dialog box"""

    # Signals
    check_settings = Signal()
    size_change = Signal(QSize)

    def __init__(self, parent=None):
        QDialog.__init__(self, parent)

        self.main = parent

        # Widgets
        self.pages_widget = QStackedWidget()
        self.pages_widget.setMinimumWidth(600)
        self.contents_widget = QListWidget()
        self.button_reset = QPushButton(_('Reset to defaults'))

        bbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Apply |
                                QDialogButtonBox.Cancel)
        self.apply_btn = bbox.button(QDialogButtonBox.Apply)

        # Widgets setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowFlags(Qt.Dialog | Qt.WindowStaysOnTopHint)
        self.setWindowTitle(_('Preferences'))
        self.setWindowIcon(ima.icon('configure'))
        self.contents_widget.setMovement(QListView.Static)
        self.contents_widget.setSpacing(1)
        self.contents_widget.setCurrentRow(0)
        self.contents_widget.setMinimumWidth(220)
        self.contents_widget.setMinimumHeight(400)

        # Layout
        hsplitter = QSplitter()
        hsplitter.addWidget(self.contents_widget)
        hsplitter.addWidget(self.pages_widget)
        hsplitter.setStretchFactor(0, 1)
        hsplitter.setStretchFactor(1, 2)

        btnlayout = QHBoxLayout()
        btnlayout.addWidget(self.button_reset)
        btnlayout.addStretch(1)
        btnlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(hsplitter)
        vlayout.addLayout(btnlayout)

        self.setLayout(vlayout)

        # Signals and slots
        if self.main:
            self.button_reset.clicked.connect(self.main.reset_spyder)
        self.pages_widget.currentChanged.connect(self.current_page_changed)
        self.contents_widget.currentRowChanged.connect(
                                             self.pages_widget.setCurrentIndex)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        bbox.clicked.connect(self.button_clicked)

        # Ensures that the config is present on spyder first run
        CONF.set('main', 'interface_language', load_lang_conf())

    def get_current_index(self):
        """Return current page index"""
        return self.contents_widget.currentRow()

    def set_current_index(self, index):
        """Set current page index"""
        self.contents_widget.setCurrentRow(index)

    def get_page(self, index=None):
        """Return page widget"""
        if index is None:
            widget = self.pages_widget.currentWidget()
        else:
            widget = self.pages_widget.widget(index)

        if widget:
            return widget.widget()

    @Slot()
    def accept(self):
        """Reimplement Qt method"""
        for index in range(self.pages_widget.count()):
            configpage = self.get_page(index)
            if not configpage.is_valid():
                return
            configpage.apply_changes()
        QDialog.accept(self)

    def button_clicked(self, button):
        if button is self.apply_btn:
            # Apply button was clicked
            configpage = self.get_page()
            if not configpage.is_valid():
                return
            configpage.apply_changes()

    def current_page_changed(self, index):
        widget = self.get_page(index)
        self.apply_btn.setVisible(widget.apply_callback is not None)
        self.apply_btn.setEnabled(widget.is_modified)

    def add_page(self, widget):
        self.check_settings.connect(widget.check_settings)
        widget.show_this_page.connect(lambda row=self.contents_widget.count():
                                      self.contents_widget.setCurrentRow(row))
        widget.apply_button_enabled.connect(self.apply_btn.setEnabled)
        scrollarea = QScrollArea(self)
        scrollarea.setWidgetResizable(True)
        scrollarea.setWidget(widget)
        self.pages_widget.addWidget(scrollarea)
        item = QListWidgetItem(self.contents_widget)
        try:
            item.setIcon(widget.get_icon())
        except TypeError:
            pass
        item.setText(widget.get_name())
        item.setFlags(Qt.ItemIsSelectable|Qt.ItemIsEnabled)
        item.setSizeHint(QSize(0, 25))

    def check_all_settings(self):
        """This method is called to check all configuration page settings
        after configuration dialog has been shown"""
        self.check_settings.emit()

    def resizeEvent(self, event):
        """
        Reimplement Qt method to be able to save the widget's size from the
        main application
        """
        QDialog.resizeEvent(self, event)
        self.size_change.emit(self.size())
Exemplo n.º 16
0
class FileSwitcher(QDialog):
    """A Sublime-like file switcher."""
    sig_goto_file = Signal(int)
    sig_close_file = Signal(int)

    # Constants that define the mode in which the list widget is working
    # FILE_MODE is for a list of files, SYMBOL_MODE if for a list of symbols
    # in a given file when using the '@' symbol.
    FILE_MODE, SYMBOL_MODE = [1, 2]

    def __init__(self, parent, tabs, data):
        QDialog.__init__(self, parent)

        # Variables
        self.tabs = tabs                  # Editor stack tabs
        self.data = data                  # Editor data
        self.mode = self.FILE_MODE        # By default start in this mode
        self.initial_cursors = None       # {fullpath: QCursor}
        self.initial_path = None          # Fullpath of initial active editor
        self.initial_editor = None        # Initial active editor
        self.line_number = None           # Selected line number in filer
        self.is_visible = False           # Is the switcher visible?

        help_text = _("Press <b>Enter</b> to switch files or <b>Esc</b> to "
                      "cancel.<br><br>Type to filter filenames.<br><br>"
                      "Use <b>:number</b> to go to a line, e.g. "
                      "<b><code>main:42</code></b><br>"
                      "Use <b>@symbol_text</b> to go to a symbol, e.g. "
                      "<b><code>@init</code></b>"
                      "<br><br> Press <b>Ctrl+W</b> to close current tab.<br>")

        # Either allow searching for a line number or a symbol but not both
        regex = QRegExp("([A-Za-z0-9_]{0,100}@[A-Za-z0-9_]{0,100})|" +
                        "([A-Za-z0-9_]{0,100}:{0,1}[0-9]{0,100})")

        # Widgets
        self.edit = QLineEdit(self)
        self.help = HelperToolButton()
        self.list = QListWidget(self)
        self.filter = KeyPressFilter()
        regex_validator = QRegExpValidator(regex, self.edit)

        # Widgets setup
        self.setWindowFlags(Qt.Popup | Qt.FramelessWindowHint)
        self.setWindowOpacity(0.95)
        self.edit.installEventFilter(self.filter)
        self.edit.setValidator(regex_validator)
        self.help.setToolTip(help_text)
        self.list.setItemDelegate(HTMLDelegate(self))

        # Layout
        edit_layout = QHBoxLayout()
        edit_layout.addWidget(self.edit)
        edit_layout.addWidget(self.help)
        layout = QVBoxLayout()
        layout.addLayout(edit_layout)
        layout.addWidget(self.list)
        self.setLayout(layout)

        # Signals
        self.rejected.connect(self.restore_initial_state)
        self.filter.sig_up_key_pressed.connect(self.previous_row)
        self.filter.sig_down_key_pressed.connect(self.next_row)
        self.edit.returnPressed.connect(self.accept)
        self.edit.textChanged.connect(self.setup)
        self.list.itemSelectionChanged.connect(self.item_selection_changed)
        self.list.clicked.connect(self.edit.setFocus)

        # Setup
        self.save_initial_state()
        self.set_dialog_position()
        self.setup()

    # --- Properties
    @property
    def editors(self):
        return [self.tabs.widget(index) for index in range(self.tabs.count())]

    @property
    def line_count(self):
        return [editor.get_line_count() for editor in self.editors]

    @property
    def save_status(self):
        return [getattr(td, 'newly_created', False) for td in self.data]

    @property
    def paths(self):
        return [getattr(td, 'filename', None) for td in self.data]

    @property
    def filenames(self):
        return [os.path.basename(getattr(td, 'filename',
                                         None)) for td in self.data]

    @property
    def current_path(self):
        return self.paths_by_editor[self.get_editor()]

    @property
    def paths_by_editor(self):
        return dict(zip(self.editors, self.paths))

    @property
    def editors_by_path(self):
        return dict(zip(self.paths, self.editors))

    @property
    def filter_text(self):
        """Get the normalized (lowecase) content of the filter text."""
        return to_text_string(self.edit.text()).lower()

    def save_initial_state(self):
        """Saves initial cursors and initial active editor."""
        paths = self.paths
        self.initial_editor = self.get_editor()
        self.initial_cursors = {}

        for i, editor in enumerate(self.editors):
            if editor is self.initial_editor:
                self.initial_path = paths[i]
            self.initial_cursors[paths[i]] = editor.textCursor()

    def accept(self):
        self.is_visible = False
        QDialog.accept(self)
        self.list.clear()

    def restore_initial_state(self):
        """Restores initial cursors and initial active editor."""
        self.list.clear()
        self.is_visible = False
        editors = self.editors_by_path

        for path in self.initial_cursors:
            cursor = self.initial_cursors[path]
            if path in editors:
                self.set_editor_cursor(editors[path], cursor)

        if self.initial_editor in self.paths_by_editor:
            index = self.paths.index(self.initial_path)
            self.sig_goto_file.emit(index)

    def set_dialog_position(self):
        """Positions the file switcher dialog in the center of the editor."""
        parent = self.parent()
        geo = parent.geometry()
        width = self.list.width()  # This has been set in setup

        left = parent.geometry().width()/2 - width/2
        top = 0
        while parent:
            geo = parent.geometry()
            top += geo.top()
            left += geo.left()
            parent = parent.parent()

        # Note: the +1 pixel on the top makes it look better
        self.move(left, top + self.tabs.tabBar().geometry().height() + 1)

    def fix_size(self, content, extra=50):
        """
        Adjusts the width and height of the file switcher,
        based on its content.
        """
        # Update size of dialog based on longest shortened path
        strings = []
        if content:
            for rich_text in content:
                label = QLabel(rich_text)
                label.setTextFormat(Qt.PlainText)
                strings.append(label.text())
                fm = label.fontMetrics()

            # Max width
            max_width = max([fm.width(s) * 1.3 for s in strings])
            self.list.setMinimumWidth(max_width + extra)

            # Max height
            if len(strings) < 8:
                max_entries = len(strings)
            else:
                max_entries = 8
            max_height = fm.height() * max_entries * 2.5
            self.list.setMinimumHeight(max_height)

            # Set position according to size
            self.set_dialog_position()

    # --- Helper methods: List widget
    def count(self):
        """Gets the item count in the list widget."""
        return self.list.count()

    def current_row(self):
        """Returns the current selected row in the list widget."""
        return self.list.currentRow()

    def set_current_row(self, row):
        """Sets the current selected row in the list widget."""
        return self.list.setCurrentRow(row)

    def select_row(self, steps):
        """Select row in list widget based on a number of steps with direction.

        Steps can be positive (next rows) or negative (previous rows).
        """
        row = self.current_row() + steps
        if 0 <= row < self.count():
            self.set_current_row(row)

    def previous_row(self):
        """Select previous row in list widget."""
        self.select_row(-1)

    def next_row(self):
        """Select next row in list widget."""
        self.select_row(+1)

    # --- Helper methods: Editor
    def get_editor(self, index=None, path=None):
        """Get editor by index or path.
        
        If no path or index specified the current active editor is returned
        """
        if index:
            return self.tabs.widget(index)
        elif path:
            return self.tabs.widget(index)
        else:
            return self.parent().get_current_editor()

    def set_editor_cursor(self, editor, cursor):
        """Set the cursor of an editor."""
        pos = cursor.position()
        anchor = cursor.anchor()

        new_cursor = QTextCursor()
        if pos == anchor:
            new_cursor.movePosition(pos)
        else:
            new_cursor.movePosition(anchor)
            new_cursor.movePosition(pos, QTextCursor.KeepAnchor)
        editor.setTextCursor(cursor)

    def goto_line(self, line_number):
        """Go to specified line number in current active editor."""
        if line_number:
            line_number = int(line_number)
            editor = self.get_editor()
            editor.go_to_line(min(line_number, editor.get_line_count()))

    # --- Helper methods: Outline explorer
    def get_symbol_list(self):
        """Get the list of symbols present in the file."""
        try:
            oedata = self.get_editor().get_outlineexplorer_data()
        except AttributeError:
            oedata = {}
        return oedata

    # --- Handlers
    def item_selection_changed(self):
        """List widget item selection change handler."""
        row = self.current_row()
        if self.count() and row >= 0:
            if self.mode == self.FILE_MODE:
                try:
                    stack_index = self.paths.index(self.filtered_path[row])
                    self.sig_goto_file.emit(stack_index)
                    self.goto_line(self.line_number)
                    self.edit.setFocus()
                except ValueError:
                    pass
            else:
                line_number = self.filtered_symbol_lines[row]
                self.goto_line(line_number)

    def setup_file_list(self, filter_text, current_path):
        """Setup list widget content for file list display."""
        short_paths = shorten_paths(self.paths, self.save_status)
        paths = self.paths
        results = []
        trying_for_line_number = ':' in filter_text

        # Get optional line number
        if trying_for_line_number:
            filter_text, line_number = filter_text.split(':')
        else:
            line_number = None

        # Get all available filenames and get the scores for "fuzzy" matching
        scores = get_search_scores(filter_text, self.filenames,
                                   template="<b>{0}</b>")

        # Build the text that will appear on the list widget
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            if score_value != -1:
                text_item = '<big>' + rich_text.replace('&', '') + '</big>'
                if trying_for_line_number:
                    text_item += " [{0:} {1:}]".format(self.line_count[index],
                                                       _("lines"))
                text_item += u"<br><i>{0:}</i>".format(short_paths[index])
                results.append((score_value, index, text_item))

        # Sort the obtained scores and populate the list widget
        self.filtered_path = []
        for result in sorted(results):
            index = result[1]
            text = result[-1]
            path = paths[index]
            item = QListWidgetItem(ima.icon('FileIcon'), text)
            item.setToolTip(path)
            item.setSizeHint(QSize(0, 25))
            self.list.addItem(item)
            self.filtered_path.append(path)

        # To adjust the delegate layout for KDE themes
        self.list.files_list = True

        # Move selected item in list accordingly and update list size
        if current_path in self.filtered_path:
            self.set_current_row(self.filtered_path.index(current_path))
        elif self.filtered_path:
            self.set_current_row(0)
        self.fix_size(short_paths, extra=200)

        # If a line number is searched look for it
        self.line_number = line_number
        self.goto_line(line_number)

    def setup_symbol_list(self, filter_text, current_path):
        """Setup list widget content for symbol list display."""
        # Get optional symbol name
        filter_text, symbol_text = filter_text.split('@')

        # Fetch the Outline explorer data, get the icons and values
        oedata = self.get_symbol_list()
        icons = get_python_symbol_icons(oedata)

        symbol_list = process_python_symbol_data(oedata)
        line_fold_token = [(item[0], item[2], item[3]) for item in symbol_list]
        choices = [item[1] for item in symbol_list]
        scores = get_search_scores(symbol_text, choices, template="<b>{0}</b>")

        # Build the text that will appear on the list widget
        results = []
        lines = []
        self.filtered_symbol_lines = []
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            line, fold_level, token = line_fold_token[index]
            lines.append(text)
            if score_value != -1:
                results.append((score_value, line, text, rich_text,
                                fold_level, icons[index], token))

        template = '{0}{1}'

        for (score, line, text, rich_text, fold_level, icon,
             token) in sorted(results):
            fold_space = '&nbsp;'*(fold_level)
            line_number = line + 1
            self.filtered_symbol_lines.append(line_number)
            textline = template.format(fold_space, rich_text)
            item = QListWidgetItem(icon, textline)
            item.setSizeHint(QSize(0, 16))
            self.list.addItem(item)

        # To adjust the delegate layout for KDE themes
        self.list.files_list = False

        # Move selected item in list accordingly
        # NOTE: Doing this is causing two problems:
        # 1. It makes the cursor to auto-jump to the last selected
        #    symbol after opening or closing a different file
        # 2. It moves the cursor to the first symbol by default,
        #    which is very distracting.
        # That's why this line is commented!
        # self.set_current_row(0)

        # Update list size
        self.fix_size(lines, extra=125)

    def setup(self):
        """Setup list widget content."""
        if not self.tabs.count():
            self.close()
            return

        self.list.clear()
        current_path = self.current_path
        filter_text = self.filter_text

        # Get optional line or symbol to define mode and method handler
        trying_for_symbol = ('@' in self.filter_text)

        if trying_for_symbol:
            self.mode = self.SYMBOL_MODE
            self.setup_symbol_list(filter_text, current_path)
        else:
            self.mode = self.FILE_MODE
            self.setup_file_list(filter_text, current_path)
Exemplo n.º 17
0
class FileSwitcher(QDialog):
    """A Sublime-like file switcher."""
    sig_goto_file = Signal(int, object)

    # Constants that define the mode in which the list widget is working
    # FILE_MODE is for a list of files, SYMBOL_MODE if for a list of symbols
    # in a given file when using the '@' symbol.
    FILE_MODE, SYMBOL_MODE = [1, 2]
    MAX_WIDTH = 600

    def __init__(self, parent, plugin, tabs, data, icon):
        QDialog.__init__(self, parent)

        # Variables
        self.plugins_tabs = []
        self.plugins_data = []
        self.plugins_instances = []
        self.add_plugin(plugin, tabs, data, icon)
        self.plugin = None                # Last plugin with focus
        self.mode = self.FILE_MODE        # By default start in this mode
        self.initial_cursors = None       # {fullpath: QCursor}
        self.initial_path = None          # Fullpath of initial active editor
        self.initial_widget = None        # Initial active editor
        self.line_number = None           # Selected line number in filer
        self.is_visible = False           # Is the switcher visible?

        help_text = _("Press <b>Enter</b> to switch files or <b>Esc</b> to "
                      "cancel.<br><br>Type to filter filenames.<br><br>"
                      "Use <b>:number</b> to go to a line, e.g. "
                      "<b><code>main:42</code></b><br>"
                      "Use <b>@symbol_text</b> to go to a symbol, e.g. "
                      "<b><code>@init</code></b>"
                      "<br><br> Press <b>Ctrl+W</b> to close current tab.<br>")

        # Either allow searching for a line number or a symbol but not both
        regex = QRegExp("([A-Za-z0-9_]{0,100}@[A-Za-z0-9_]{0,100})|" +
                        "([A-Za-z0-9_]{0,100}:{0,1}[0-9]{0,100})")

        # Widgets
        self.edit = FilesFilterLine(self)
        self.help = HelperToolButton()
        self.list = QListWidget(self)
        self.filter = KeyPressFilter()
        regex_validator = QRegExpValidator(regex, self.edit)

        # Widgets setup
        self.setWindowFlags(Qt.Popup | Qt.FramelessWindowHint)
        self.setWindowOpacity(0.95)
        self.edit.installEventFilter(self.filter)
        self.edit.setValidator(regex_validator)
        self.help.setToolTip(help_text)
        self.list.setItemDelegate(HTMLDelegate(self))

        # Layout
        edit_layout = QHBoxLayout()
        edit_layout.addWidget(self.edit)
        edit_layout.addWidget(self.help)
        layout = QVBoxLayout()
        layout.addLayout(edit_layout)
        layout.addWidget(self.list)
        self.setLayout(layout)

        # Signals
        self.rejected.connect(self.restore_initial_state)
        self.filter.sig_up_key_pressed.connect(self.previous_row)
        self.filter.sig_down_key_pressed.connect(self.next_row)
        self.edit.returnPressed.connect(self.accept)
        self.edit.textChanged.connect(self.setup)
        self.list.itemSelectionChanged.connect(self.item_selection_changed)
        self.list.clicked.connect(self.edit.setFocus)

    # --- Properties
    @property
    def widgets(self):
        widgets = []
        for tabs, plugin in self.plugins_tabs:
            widgets += [(tabs.widget(index), plugin) for
                        index in range(tabs.count())]
        return widgets

    @property
    def line_count(self):
        line_count = []
        for widget in self.widgets:
            try:
                current_line_count = widget[0].get_line_count()
            except AttributeError:
                current_line_count = 0
            line_count.append(current_line_count)
        return line_count

    @property
    def save_status(self):
        save_status = []
        for da, icon in self.plugins_data:
            save_status += [getattr(td, 'newly_created', False) for td in da]
        return save_status

    @property
    def paths(self):
        paths = []
        for da, icon in self.plugins_data:
            paths += [getattr(td, 'filename', None) for td in da]
        return paths

    @property
    def filenames(self):
        filenames = []
        for da, icon in self.plugins_data:
            filenames += [os.path.basename(getattr(td,
                                                   'filename',
                                                   None)) for td in da]
        return filenames

    @property
    def icons(self):
        icons = []
        for da, icon in self.plugins_data:
            icons += [icon for td in da]
        return icons

    @property
    def current_path(self):
        return self.paths_by_widget[self.get_widget()]

    @property
    def paths_by_widget(self):
        widgets = [w[0] for w in self.widgets]
        return dict(zip(widgets, self.paths))

    @property
    def widgets_by_path(self):
        widgets = [w[0] for w in self.widgets]
        return dict(zip(self.paths, widgets))

    @property
    def filter_text(self):
        """Get the normalized (lowecase) content of the filter text."""
        return to_text_string(self.edit.text()).lower()

    def set_search_text(self, _str):
        self.edit.setText(_str)

    def save_initial_state(self):
        """Save initial cursors and initial active widget."""
        paths = self.paths
        self.initial_widget = self.get_widget()
        self.initial_cursors = {}

        for i, editor in enumerate(self.widgets):
            if editor is self.initial_widget:
                self.initial_path = paths[i]
            # This try is needed to make the fileswitcher work with 
            # plugins that does not have a textCursor.
            try:
                self.initial_cursors[paths[i]] = editor.textCursor()
            except AttributeError:
                pass

    def accept(self):
        self.is_visible = False
        QDialog.accept(self)
        self.list.clear()

    def restore_initial_state(self):
        """Restores initial cursors and initial active editor."""
        self.list.clear()
        self.is_visible = False
        widgets = self.widgets_by_path

        if not self.edit.clicked_outside:
            for path in self.initial_cursors:
                cursor = self.initial_cursors[path]
                if path in widgets:
                    self.set_editor_cursor(widgets[path], cursor)

            if self.initial_widget in self.paths_by_widget:
                index = self.paths.index(self.initial_path)
                self.sig_goto_file.emit(index)

    def set_dialog_position(self):
        """Positions the file switcher dialog."""
        parent = self.parent()
        geo = parent.geometry()
        width = self.list.width()  # This has been set in setup
        left = parent.geometry().width()/2 - width/2
        # Note: the +1 pixel on the top makes it look better
        if isinstance(parent, QMainWindow):
            top = (parent.toolbars_menu.geometry().height() +
                   parent.menuBar().geometry().height() + 1)
        else:
            top = self.plugins_tabs[0][0].tabBar().geometry().height() + 1

        while parent:
            geo = parent.geometry()
            top += geo.top()
            left += geo.left()
            parent = parent.parent()

        self.move(left, top)

    def get_item_size(self, content):
        """
        Get the max size (width and height) for the elements of a list of
        strings as a QLabel.
        """
        strings = []
        if content:
            for rich_text in content:
                label = QLabel(rich_text)
                label.setTextFormat(Qt.PlainText)
                strings.append(label.text())
                fm = label.fontMetrics()

            return (max([fm.width(s) * 1.3 for s in strings]), fm.height())

    def fix_size(self, content):
        """
        Adjusts the width and height of the file switcher
        based on the relative size of the parent and content.
        """
        # Update size of dialog based on relative size of the parent
        if content:
            width, height = self.get_item_size(content)

            # Width
            parent = self.parent()
            relative_width = parent.geometry().width() * 0.65
            if relative_width > self.MAX_WIDTH:
                relative_width = self.MAX_WIDTH
            self.list.setMinimumWidth(relative_width)

            # Height
            if len(content) < 8:
                max_entries = len(content)
            else:
                max_entries = 8
            max_height = height * max_entries * 2.5
            self.list.setMinimumHeight(max_height)

            # Resize
            self.list.resize(relative_width, self.list.height())

    # --- Helper methods: List widget
    def count(self):
        """Gets the item count in the list widget."""
        return self.list.count()

    def current_row(self):
        """Returns the current selected row in the list widget."""
        return self.list.currentRow()

    def set_current_row(self, row):
        """Sets the current selected row in the list widget."""
        return self.list.setCurrentRow(row)

    def select_row(self, steps):
        """Select row in list widget based on a number of steps with direction.

        Steps can be positive (next rows) or negative (previous rows).
        """
        row = self.current_row() + steps
        if 0 <= row < self.count():
            self.set_current_row(row)

    def previous_row(self):
        """Select previous row in list widget."""
        if self.mode == self.SYMBOL_MODE:
            self.select_row(-1)
            return
        prev_row = self.current_row() - 1
        if prev_row >= 0:
            title = self.list.item(prev_row).text()
        else:
            title = ''
        if prev_row == 0 and '</b></big><br>' in title:
            self.list.scrollToTop()
        elif '</b></big><br>' in title:
            # Select the next previous row, the one following is a title
            self.select_row(-2)
        else:
            self.select_row(-1)

    def next_row(self):
        """Select next row in list widget."""
        if self.mode == self.SYMBOL_MODE:
            self.select_row(+1)
            return
        next_row = self.current_row() + 1
        if next_row < self.count():
            if '</b></big><br>' in self.list.item(next_row).text():
                # Select the next next row, the one following is a title
                self.select_row(+2)
            else:
                self.select_row(+1)

    def get_stack_index(self, stack_index, plugin_index):
        """Get the real index of the selected item."""
        other_plugins_count = sum([other_tabs[0].count() \
                                   for other_tabs in \
                                   self.plugins_tabs[:plugin_index]])
        real_index = stack_index - other_plugins_count

        return real_index

    # --- Helper methods: Widget
    def get_widget(self, index=None, path=None, tabs=None):
        """Get widget by index.
        
        If no tabs and index specified the current active widget is returned.
        """
        if index and tabs:
            return tabs.widget(index)
        elif path and tabs:
            return tabs.widget(index)
        elif self.plugin:
            index = self.plugins_instances.index(self.plugin)
            return self.plugins_tabs[index][0].currentWidget()
        else:
            return self.plugins_tabs[0][0].currentWidget()

    def set_editor_cursor(self, editor, cursor):
        """Set the cursor of an editor."""
        pos = cursor.position()
        anchor = cursor.anchor()

        new_cursor = QTextCursor()
        if pos == anchor:
            new_cursor.movePosition(pos)
        else:
            new_cursor.movePosition(anchor)
            new_cursor.movePosition(pos, QTextCursor.KeepAnchor)
        editor.setTextCursor(cursor)

    def goto_line(self, line_number):
        """Go to specified line number in current active editor."""
        if line_number:
            line_number = int(line_number)
            editor = self.get_widget()
            try:
                editor.go_to_line(min(line_number, editor.get_line_count()))
            except AttributeError:
                pass

    # --- Helper methods: Outline explorer
    def get_symbol_list(self):
        """Get the list of symbols present in the file."""
        try:
            oedata = self.get_widget().get_outlineexplorer_data()
        except AttributeError:
            oedata = {}
        return oedata

    # --- Handlers
    def item_selection_changed(self):
        """List widget item selection change handler."""
        row = self.current_row()
        if self.count() and row >= 0:
            if '</b></big><br>' in self.list.currentItem().text() and row == 0:
                self.next_row()
            if self.mode == self.FILE_MODE:
                try:
                    stack_index = self.paths.index(self.filtered_path[row])
                    self.plugin = self.widgets[stack_index][1]
                    plugin_index = self.plugins_instances.index(self.plugin)
                    # Count the real index in the tabWidget of the
                    # current plugin
                    real_index = self.get_stack_index(stack_index,
                                                      plugin_index)
                    self.sig_goto_file.emit(real_index,
                                            self.plugin.get_current_tab_manager())
                    self.goto_line(self.line_number)
                    try:
                        self.plugin.switch_to_plugin()
                        self.raise_()
                    except AttributeError:
                        # The widget using the fileswitcher is not a plugin
                        pass
                    self.edit.setFocus()
                except ValueError:
                    pass
            else:
                line_number = self.filtered_symbol_lines[row]
                self.goto_line(line_number)

    def setup_file_list(self, filter_text, current_path):
        """Setup list widget content for file list display."""
        short_paths = shorten_paths(self.paths, self.save_status)
        paths = self.paths
        icons = self.icons
        results = []
        trying_for_line_number = ':' in filter_text

        # Get optional line number
        if trying_for_line_number:
            filter_text, line_number = filter_text.split(':')
            # Get all the available filenames
            scores = get_search_scores('', self.filenames,
                                       template="<b>{0}</b>")
        else:
            line_number = None
            # Get all available filenames and get the scores for
            # "fuzzy" matching
            scores = get_search_scores(filter_text, self.filenames,
                                       template="<b>{0}</b>")


        # Get max width to determine if shortpaths should be used
        max_width = self.get_item_size(paths)[0]
        self.fix_size(paths)

        # Build the text that will appear on the list widget
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            if score_value != -1:
                text_item = '<big>' + rich_text.replace('&', '') + '</big>'
                if trying_for_line_number:
                    text_item += " [{0:} {1:}]".format(self.line_count[index],
                                                       _("lines"))
                if max_width > self.list.width():
                    text_item += u"<br><i>{0:}</i>".format(short_paths[index])
                else:
                    text_item += u"<br><i>{0:}</i>".format(paths[index])
                if (trying_for_line_number and self.line_count[index] != 0 or
                        not trying_for_line_number):
                    results.append((score_value, index, text_item))

        # Sort the obtained scores and populate the list widget
        self.filtered_path = []
        plugin = None
        for result in sorted(results):
            index = result[1]
            path = paths[index]
            icon = icons[index]
            text = ''
            try:
                title = self.widgets[index][1].get_plugin_title().split(' - ')
                if plugin != title[0]:
                    plugin = title[0]
                    text += '<br><big><b>' + plugin + '</b></big><br>'
                    item = QListWidgetItem(text)
                    item.setToolTip(path)
                    item.setSizeHint(QSize(0, 25))
                    item.setFlags(Qt.ItemIsEditable)
                    self.list.addItem(item)
                    self.filtered_path.append(path)
            except:
                # The widget using the fileswitcher is not a plugin
                pass
            text = ''
            text += result[-1]
            item = QListWidgetItem(icon, text)
            item.setToolTip(path)
            item.setSizeHint(QSize(0, 25))
            self.list.addItem(item)
            self.filtered_path.append(path)

        # To adjust the delegate layout for KDE themes
        self.list.files_list = True

        # Move selected item in list accordingly and update list size
        if current_path in self.filtered_path:
            self.set_current_row(self.filtered_path.index(current_path))
        elif self.filtered_path:
            self.set_current_row(0)

        # If a line number is searched look for it
        self.line_number = line_number
        self.goto_line(line_number)

    def setup_symbol_list(self, filter_text, current_path):
        """Setup list widget content for symbol list display."""
        # Get optional symbol name
        filter_text, symbol_text = filter_text.split('@')

        # Fetch the Outline explorer data, get the icons and values
        oedata = self.get_symbol_list()
        icons = get_python_symbol_icons(oedata)

        # The list of paths here is needed in order to have the same
        # point of measurement for the list widget size as in the file list
        # See issue 4648
        paths = self.paths
        # Update list size
        self.fix_size(paths)

        symbol_list = process_python_symbol_data(oedata)
        line_fold_token = [(item[0], item[2], item[3]) for item in symbol_list]
        choices = [item[1] for item in symbol_list]
        scores = get_search_scores(symbol_text, choices, template="<b>{0}</b>")

        # Build the text that will appear on the list widget
        results = []
        lines = []
        self.filtered_symbol_lines = []
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            line, fold_level, token = line_fold_token[index]
            lines.append(text)
            if score_value != -1:
                results.append((score_value, line, text, rich_text,
                                fold_level, icons[index], token))

        template = '{0}{1}'

        for (score, line, text, rich_text, fold_level, icon,
             token) in sorted(results):
            fold_space = '&nbsp;'*(fold_level)
            line_number = line + 1
            self.filtered_symbol_lines.append(line_number)
            textline = template.format(fold_space, rich_text)
            item = QListWidgetItem(icon, textline)
            item.setSizeHint(QSize(0, 16))
            self.list.addItem(item)

        # To adjust the delegate layout for KDE themes
        self.list.files_list = False

        # Move selected item in list accordingly
        # NOTE: Doing this is causing two problems:
        # 1. It makes the cursor to auto-jump to the last selected
        #    symbol after opening or closing a different file
        # 2. It moves the cursor to the first symbol by default,
        #    which is very distracting.
        # That's why this line is commented!
        # self.set_current_row(0)

    def setup(self):
        """Setup list widget content."""
        if len(self.plugins_tabs) == 0:
            self.close()
            return

        self.list.clear()
        current_path = self.current_path
        filter_text = self.filter_text

        # Get optional line or symbol to define mode and method handler
        trying_for_symbol = ('@' in self.filter_text)

        if trying_for_symbol:
            self.mode = self.SYMBOL_MODE
            self.setup_symbol_list(filter_text, current_path)
        else:
            self.mode = self.FILE_MODE
            self.setup_file_list(filter_text, current_path)

        # Set position according to size
        self.set_dialog_position()

    def add_plugin(self, plugin, tabs, data, icon):
        """Add a plugin to display its files."""
        self.plugins_tabs.append((tabs, plugin))
        self.plugins_data.append((data, icon))
        self.plugins_instances.append(plugin)
Exemplo n.º 18
0
class SegmentationInfoDialog(QWidget):
    def __init__(self,
                 settings: StackSettings,
                 set_parameters: Callable[[str, dict], None],
                 additional_text=None):
        """

        :param settings:
        :param set_parameters: Function which set parameters of chosen in dialog.
        :param additional_text: Additional text on top of Window.
        """
        super().__init__()
        self.settings = settings
        self.parameters_dict = None
        self.set_parameters = set_parameters
        self.components = QListWidget()
        self.components.currentItemChanged.connect(self.change_component_info)
        self.description = QPlainTextEdit()
        self.description.setReadOnly(True)
        self.close_btn = QPushButton("Close")
        self.close_btn.clicked.connect(self.close)
        self.set_parameters_btn = QPushButton("Reuse parameters")
        self.set_parameters_btn.clicked.connect(self.set_parameter_action)
        self.additional_text_label = QLabel(additional_text)
        layout = QGridLayout()
        layout.addWidget(self.additional_text_label, 0, 0, 1, 2)
        if not additional_text:
            self.additional_text_label.setVisible(False)

        layout.addWidget(QLabel("Components:"), 1, 0)
        layout.addWidget(QLabel("segmentation parameters:"), 1, 1)
        layout.addWidget(self.components, 2, 0)
        layout.addWidget(self.description, 2, 1)
        layout.addWidget(self.close_btn, 3, 0)
        layout.addWidget(self.set_parameters_btn, 3, 1)
        self.setLayout(layout)
        self.setWindowTitle("Parameters preview")

    def set_parameters_dict(self, val: Optional[Dict[int,
                                                     SegmentationProfile]]):
        self.parameters_dict = val

    def set_additional_text(self, text):
        self.additional_text_label.setText(text)
        self.additional_text_label.setVisible(bool(text))

    @property
    def get_parameters(self):
        if self.parameters_dict:
            return self.parameters_dict
        return self.settings.components_parameters_dict

    def change_component_info(self):
        if self.components.currentItem() is None:
            return
        text = self.components.currentItem().text()
        parameters = self.get_parameters[int(text)]
        if parameters is None:
            self.description.setPlainText("None")
        else:
            self.description.setPlainText(
                f"Component {text}\n" +
                parameters.pretty_print(mask_algorithm_dict))

    def set_parameter_action(self):
        if self.components.currentItem() is None:
            return
        text = self.components.currentItem().text()
        parameters = self.get_parameters[int(text)]
        self.set_parameters(parameters.algorithm, parameters.values)

    def event(self, event: QEvent):
        if event.type() == QEvent.WindowActivate:
            index = self.components.currentRow()
            self.components.clear()
            self.components.addItems(list(map(str,
                                              self.get_parameters.keys())))
            self.components.setCurrentRow(index)
        return super().event(event)
Exemplo n.º 19
0
class FileSwitcher(QDialog):
    """A Sublime-like file switcher."""
    sig_goto_file = Signal(int)
    sig_close_file = Signal(int)

    # Constants that define the mode in which the list widget is working
    # FILE_MODE is for a list of files, SYMBOL_MODE if for a list of symbols
    # in a given file when using the '@' symbol.
    FILE_MODE, SYMBOL_MODE = [1, 2]

    def __init__(self, parent, tabs, data):
        QDialog.__init__(self, parent)

        # Variables
        self.tabs = tabs                  # Editor stack tabs
        self.data = data                  # Editor data
        self.mode = self.FILE_MODE        # By default start in this mode
        self.initial_cursors = None       # {fullpath: QCursor}
        self.initial_path = None          # Fullpath of initial active editor
        self.initial_editor = None        # Initial active editor
        self.line_number = None           # Selected line number in filer
        self.is_visible = False           # Is the switcher visible?

        help_text = _("Press <b>Enter</b> to switch files or <b>Esc</b> to "
                      "cancel.<br><br>Type to filter filenames.<br><br>"
                      "Use <b>:number</b> to go to a line, e.g. "
                      "<b><code>main:42</code></b><br>"
                      "Use <b>@symbol_text</b> to go to a symbol, e.g. "
                      "<b><code>@init</code></b>"
                      "<br><br> Press <b>Ctrl+W</b> to close current tab.<br>")

        # Either allow searching for a line number or a symbol but not both
        regex = QRegExp("([A-Za-z0-9_]{0,100}@[A-Za-z0-9_]{0,100})|" +
                        "([A-Za-z]{0,100}:{0,1}[0-9]{0,100})")

        # Widgets
        self.edit = QLineEdit(self)
        self.help = HelperToolButton()
        self.list = QListWidget(self)
        self.filter = KeyPressFilter()
        regex_validator = QRegExpValidator(regex, self.edit)

        # Widgets setup
        self.setWindowFlags(Qt.Popup | Qt.FramelessWindowHint)
        self.setWindowOpacity(0.95)
        self.edit.installEventFilter(self.filter)
        self.edit.setValidator(regex_validator)
        self.help.setToolTip(help_text)
        self.list.setItemDelegate(HTMLDelegate(self))

        # Layout
        edit_layout = QHBoxLayout()
        edit_layout.addWidget(self.edit)
        edit_layout.addWidget(self.help)
        layout = QVBoxLayout()
        layout.addLayout(edit_layout)
        layout.addWidget(self.list)
        self.setLayout(layout)

        # Signals
        self.rejected.connect(self.restore_initial_state)
        self.filter.sig_up_key_pressed.connect(self.previous_row)
        self.filter.sig_down_key_pressed.connect(self.next_row)
        self.edit.returnPressed.connect(self.accept)
        self.edit.textChanged.connect(self.setup)
        self.list.itemSelectionChanged.connect(self.item_selection_changed)
        self.list.clicked.connect(self.edit.setFocus)

        # Setup
        self.save_initial_state()
        self.set_dialog_position()
        self.setup()

    # --- Properties
    @property
    def editors(self):
        return [self.tabs.widget(index) for index in range(self.tabs.count())]

    @property
    def line_count(self):
        return [editor.get_line_count() for editor in self.editors]

    @property
    def save_status(self):
        return [getattr(td, 'newly_created', False) for td in self.data]

    @property
    def paths(self):
        return [getattr(td, 'filename', None) for td in self.data]

    @property
    def filenames(self):
        return [self.tabs.tabText(index) for index in range(self.tabs.count())]

    @property
    def current_path(self):
        return self.paths_by_editor[self.get_editor()]

    @property
    def paths_by_editor(self):
        return dict(zip(self.editors, self.paths))

    @property
    def editors_by_path(self):
        return dict(zip(self.paths, self.editors))

    @property
    def filter_text(self):
        """Get the normalized (lowecase) content of the filter text."""
        return to_text_string(self.edit.text()).lower()

    def save_initial_state(self):
        """Saves initial cursors and initial active editor."""
        paths = self.paths
        self.initial_editor = self.get_editor()
        self.initial_cursors = {}

        for i, editor in enumerate(self.editors):
            if editor is self.initial_editor:
                self.initial_path = paths[i]
            self.initial_cursors[paths[i]] = editor.textCursor()

    def accept(self):
        self.is_visible = False
        QDialog.accept(self)
        self.list.clear()

    def restore_initial_state(self):
        """Restores initial cursors and initial active editor."""
        self.list.clear()
        self.is_visible = False
        editors = self.editors_by_path

        for path in self.initial_cursors:
            cursor = self.initial_cursors[path]
            if path in editors:
                self.set_editor_cursor(editors[path], cursor)

        if self.initial_editor in self.paths_by_editor:
            index = self.paths.index(self.initial_path)
            self.sig_goto_file.emit(index)

    def set_dialog_position(self):
        """Positions the file switcher dialog in the center of the editor."""
        parent = self.parent()
        geo = parent.geometry()
        width = self.list.width()  # This has been set in setup

        left = parent.geometry().width()/2 - width/2
        top = 0
        while parent:
            geo = parent.geometry()
            top += geo.top()
            left += geo.left()
            parent = parent.parent()

        # Note: the +1 pixel on the top makes it look better
        self.move(left, top + self.tabs.tabBar().geometry().height() + 1)

    def fix_size(self, content, extra=50):
        """Adjusts the width of the file switcher, based on the content."""
        # Update size of dialog based on longest shortened path
        strings = []
        if content:
            for rich_text in content:
                label = QLabel(rich_text)
                label.setTextFormat(Qt.PlainText)
                strings.append(label.text())
                fm = label.fontMetrics()
            max_width = max([fm.width(s)*1.3 for s in strings])
            self.list.setMinimumWidth(max_width + extra)
            self.set_dialog_position()

    # --- Helper methods: List widget
    def count(self):
        """Gets the item count in the list widget."""
        return self.list.count()

    def current_row(self):
        """Returns the current selected row in the list widget."""
        return self.list.currentRow()

    def set_current_row(self, row):
        """Sets the current selected row in the list widget."""
        return self.list.setCurrentRow(row)

    def select_row(self, steps):
        """Select row in list widget based on a number of steps with direction.

        Steps can be positive (next rows) or negative (previous rows).
        """
        row = self.current_row() + steps
        if 0 <= row < self.count():
            self.set_current_row(row)

    def previous_row(self):
        """Select previous row in list widget."""
        self.select_row(-1)

    def next_row(self):
        """Select next row in list widget."""
        self.select_row(+1)

    # --- Helper methods: Editor
    def get_editor(self, index=None, path=None):
        """Get editor by index or path.
        
        If no path or index specified the current active editor is returned
        """
        if index:
            return self.tabs.widget(index)
        elif path:
            return self.tabs.widget(index)
        else:
            return self.parent().get_current_editor()

    def set_editor_cursor(self, editor, cursor):
        """Set the cursor of an editor."""
        pos = cursor.position()
        anchor = cursor.anchor()

        new_cursor = QTextCursor()
        if pos == anchor:
            new_cursor.movePosition(pos)
        else:
            new_cursor.movePosition(anchor)
            new_cursor.movePosition(pos, QTextCursor.KeepAnchor)
        editor.setTextCursor(cursor)

    def goto_line(self, line_number):
        """Go to specified line number in current active editor."""
        if line_number:
            line_number = int(line_number)
            editor = self.get_editor()
            editor.go_to_line(min(line_number, editor.get_line_count()))

    # --- Helper methods: Outline explorer
    def get_symbol_list(self):
        """Get the object explorer data."""
        return self.get_editor().highlighter.get_outlineexplorer_data()

    # --- Handlers
    def item_selection_changed(self):
        """List widget item selection change handler."""
        row = self.current_row()
        if self.count() and row >= 0:
            if self.mode == self.FILE_MODE:
                try:
                    stack_index = self.paths.index(self.filtered_path[row])
                    self.sig_goto_file.emit(stack_index)
                    self.goto_line(self.line_number)
                    self.edit.setFocus()
                except ValueError:
                    pass
            else:
                line_number = self.filtered_symbol_lines[row]
                self.goto_line(line_number)

    def setup_file_list(self, filter_text, current_path):
        """Setup list widget content for file list display."""
        short_paths = shorten_paths(self.paths, self.save_status)
        paths = self.paths
        results = []
        trying_for_line_number = ':' in filter_text

        # Get optional line number
        if trying_for_line_number:
            filter_text, line_number = filter_text.split(':')
        else:
            line_number = None

        # Get all available filenames and get the scores for "fuzzy" matching
        scores = get_search_scores(filter_text, self.filenames,
                                   template="<b>{0}</b>")

        # Build the text that will appear on the list widget
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            if score_value != -1:
                text_item = '<big>' + rich_text + '</big>'
                if trying_for_line_number:
                    text_item += " [{0:} {1:}]".format(self.line_count[index],
                                                       _("lines"))
                text_item += "<br><i>{0:}</i>".format(
                    short_paths[index])

                results.append((score_value, index, text_item))

        # Sort the obtained scores and populate the list widget
        self.filtered_path = []
        for result in sorted(results):
            index = result[1]
            text = result[-1]
            path = paths[index]
            item = QListWidgetItem(self.tabs.tabIcon(index), text)
            item.setToolTip(path)
            item.setSizeHint(QSize(0, 25))
            self.list.addItem(item)
            self.filtered_path.append(path)

        # Move selected item in list accordingly and update list size
        if current_path in self.filtered_path:
            self.set_current_row(self.filtered_path.index(current_path))
        elif self.filtered_path:
            self.set_current_row(0)
        self.fix_size(short_paths)

        # If a line number is searched look for it
        self.line_number = line_number
        self.goto_line(line_number)

    def setup_symbol_list(self, filter_text, current_path):
        """Setup list widget content for symbol list display."""
        # Get optional symbol name
        filter_text, symbol_text = filter_text.split('@')

        # Fetch the Outline explorer data, get the icons and values
        oedata = self.get_symbol_list()
        icons = get_python_symbol_icons(oedata)

        symbol_list = process_python_symbol_data(oedata)
        line_fold_token = [(item[0], item[2], item[3]) for item in symbol_list]
        choices = [item[1] for item in symbol_list]
        scores = get_search_scores(symbol_text, choices, template="<b>{0}</b>")

        # Build the text that will appear on the list widget
        results = []
        lines = []
        self.filtered_symbol_lines = []
        for index, score in enumerate(scores):
            text, rich_text, score_value = score
            line, fold_level, token = line_fold_token[index]
            lines.append(text)
            if score_value != -1:
                results.append((score_value, line, text, rich_text,
                                fold_level, icons[index], token))

        template_1 = '<code>{0}<big>{1} {2}</big></code>'
        template_2 = '<br><code>{0}</code><i>[Line {1}]</i>'

        for (score, line, text, rich_text, fold_level, icon,
             token) in sorted(results):
            fold_space = '&nbsp;'*(fold_level)
            line_number = line + 1
            self.filtered_symbol_lines.append(line_number)
            textline = template_1.format(fold_space, token, rich_text)
            textline += template_2.format(fold_space, line_number)
            item = QListWidgetItem(icon, textline)
            item.setSizeHint(QSize(0, 16))
            self.list.addItem(item)

        # Move selected item in list accordingly
        # NOTE: Doing this is causing two problems:
        # 1. It makes the cursor to auto-jump to the last selected
        #    symbol after opening or closing a different file
        # 2. It moves the cursor to the first symbol by default,
        #    which is very distracting.
        # That's why this line is commented!
        # self.set_current_row(0)

        # Update list size
        self.fix_size(lines, extra=125)

    def setup(self):
        """Setup list widget content."""
        if not self.tabs.count():
            self.close()
            return

        self.list.clear()
        current_path = self.current_path
        filter_text = self.filter_text

        # Get optional line or symbol to define mode and method handler
        trying_for_symbol = ('@' in self.filter_text)

        if trying_for_symbol:
            self.mode = self.SYMBOL_MODE
            self.setup_symbol_list(filter_text, current_path)
        else:
            self.mode = self.FILE_MODE
            self.setup_file_list(filter_text, current_path)
Exemplo n.º 20
0
class SelectLineWidget(QDialog):
    """ Widget to select a spectral line
    inp: string or dict or Table
      Input line list

    15-Dec-2014 by JXP
    """
    def __init__(self, inp, parent=None, scale=1.):
        super(SelectLineWidget, self).__init__(parent)

        # Line list Table
        if isinstance(inp, Table):
            lines = inp
        else:
            raise ValueError('SelectLineWidget: Wrong type of input')

        self.resize(250 * scale, 800 * scale)

        # Create the line list
        line_label = QLabel('Lines:')
        self.lines_widget = QListWidget(self)
        self.lines_widget.addItem('None')
        self.lines_widget.setCurrentRow(0)
        self.line = "None"  # init "selected line" as "None"

        # Loop on lines (could put a preferred list first)
        # Sort
        srt = np.argsort(lines['wrest'])
        for ii in srt:
            try:
                s = '{:s} :: {:.2f} :: {:.3f}'.format(lines['name'][ii],
                                                      lines['wrest'][ii],
                                                      lines['f'][ii])
            except (ValueError, TypeError):  # f-value masked (most likely)
                s = '{:s} :: {:.2f}'.format(lines['name'][ii],
                                            lines['wrest'][ii])
            #  is there a column called 'redshift'? (only used in igmguesses for now)
            try:
                s += ' :: z{:.3f}'.format(lines['redshift'][ii])
                self.resize(350, 800)
            except KeyError:
                pass
            self.lines_widget.addItem(s)

        self.lines_widget.currentItemChanged.connect(self.on_list_change)
        #self.scrollArea = QtGui.QScrollArea()

        # Quit
        qbtn = QPushButton(self)
        qbtn.setText('Quit')
        qbtn.clicked.connect(self.close)

        # Layout
        vbox = QVBoxLayout()
        vbox.addWidget(line_label)
        vbox.addWidget(self.lines_widget)
        vbox.addWidget(qbtn)

        self.setLayout(vbox)

    def on_list_change(self, curr, prev):
        self.line = str(curr.text())
        # Print
        print('You chose: {:s}'.format(curr.text()))