예제 #1
0
 def r(name, icon, text, checkable=False, shortcut=None):
     ac = QAction(QIcon(I(icon + '.png')), text, self)
     if checkable:
         ac.setCheckable(checkable)
     setattr(self, 'action_'+name, ac)
     ac.triggered.connect(getattr(self, 'do_' + name))
     if shortcut is not None:
         sc = shortcut if isinstance(shortcut, QKeySequence) else QKeySequence(shortcut)
         ac.setShortcut(sc)
         ac.setToolTip(text + f' [{sc.toString(QKeySequence.SequenceFormat.NativeText)}]')
     self.addAction(ac)
예제 #2
0
    def genesis(self):
        md = self.qaction.menu()
        cm = partial(self.create_menu_action, md)
        cm('individual', _('Edit metadata individually'), icon=self.qaction.icon(),
                triggered=partial(self.edit_metadata, False, bulk=False))
        cm('bulk', _('Edit metadata in bulk'),
                triggered=partial(self.edit_metadata, False, bulk=True))
        md.addSeparator()
        cm('download', _('Download metadata and covers'),
                triggered=partial(self.download_metadata, ids=None),
                shortcut='Ctrl+D')
        self.metadata_menu = md

        self.metamerge_menu = mb = QMenu()
        cm2 = partial(self.create_menu_action, mb)
        cm2('merge delete', _('Merge into first selected book - delete others'),
                triggered=self.merge_books)
        mb.addSeparator()
        cm2('merge keep', _('Merge into first selected book - keep others'),
                triggered=partial(self.merge_books, safe_merge=True),
                shortcut='Alt+M')
        mb.addSeparator()
        cm2('merge formats', _('Merge only formats into first selected book - delete others'),
                triggered=partial(self.merge_books, merge_only_formats=True),
                shortcut='Alt+Shift+M')
        self.merge_menu = mb
        md.addSeparator()
        self.action_copy = cm('copy', _('Copy metadata'), icon='edit-copy.png', triggered=self.copy_metadata)
        self.action_paset = cm('paste', _('Paste metadata'), icon='edit-paste.png', triggered=self.paste_metadata)
        self.action_merge = cm('merge', _('Merge book records'), icon='merge_books.png',
            shortcut=_('M'), triggered=self.merge_books)
        self.action_merge.setMenu(mb)

        self.qaction.triggered.connect(self.edit_metadata)
        ac = QAction(_('Copy URL to show book in calibre'), self.gui)
        ac.setToolTip(_('Copy URLs to show the currently selected books in calibre, to the system clipboard'))
        ac.triggered.connect(self.copy_show_link)
        self.gui.addAction(ac)
        self.gui.keyboard.register_shortcut(
            self.unique_name + ' - ' + 'copy_show_book',
            ac.text(), description=ac.toolTip(),
            action=ac, group=self.action_spec[0])
        ac = QAction(_('Copy URL to open book in calibre'), self.gui)
        ac.triggered.connect(self.copy_view_link)
        ac.setToolTip(_('Copy URLs to open the currently selected books in calibre, to the system clipboard'))
        self.gui.addAction(ac)
        self.gui.keyboard.register_shortcut(
            self.unique_name + ' - ' + 'copy_view_book',
            ac.text(), description=ac.toolTip(),
            action=ac, group=self.action_spec[0])
예제 #3
0
class EditorWidget(QTextEdit, LineEditECM):  # {{{

    data_changed = pyqtSignal()

    @property
    def readonly(self):
        return self.isReadOnly()

    @readonly.setter
    def readonly(self, val):
        self.setReadOnly(bool(val))

    @contextmanager
    def editing_cursor(self, set_cursor=True):
        c = self.textCursor()
        c.beginEditBlock()
        yield c
        c.endEditBlock()
        if set_cursor:
            self.setTextCursor(c)
        self.focus_self()

    def __init__(self, parent=None):
        QTextEdit.__init__(self, parent)
        self.setTabChangesFocus(True)
        self.document().setDefaultStyleSheet(css() + '\n\nli { margin-top: 0.5ex; margin-bottom: 0.5ex; }')
        font = self.font()
        f = QFontInfo(font)
        delta = tweaks['change_book_details_font_size_by'] + 1
        if delta:
            font.setPixelSize(f.pixelSize() + delta)
            self.setFont(font)
        f = QFontMetrics(self.font())
        self.em_size = f.horizontalAdvance('m')
        self.base_url = None
        self._parent = weakref.ref(parent)
        self.comments_pat = re.compile(r'<!--.*?-->', re.DOTALL)

        for rec in (
            ('bold', 'format-text-bold', _('Bold'), True),
            ('italic', 'format-text-italic', _('Italic'), True),
            ('underline', 'format-text-underline', _('Underline'), True),
            ('strikethrough', 'format-text-strikethrough', _('Strikethrough'), True),
            ('superscript', 'format-text-superscript', _('Superscript'), True),
            ('subscript', 'format-text-subscript', _('Subscript'), True),
            ('ordered_list', 'format-list-ordered', _('Ordered list'), True),
            ('unordered_list', 'format-list-unordered', _('Unordered list'), True),

            ('align_left', 'format-justify-left', _('Align left'), True),
            ('align_center', 'format-justify-center', _('Align center'), True),
            ('align_right', 'format-justify-right', _('Align right'), True),
            ('align_justified', 'format-justify-fill', _('Align justified'), True),
            ('undo', 'edit-undo', _('Undo'), ),
            ('redo', 'edit-redo', _('Redo'), ),
            ('remove_format', 'edit-clear', _('Remove formatting'), ),
            ('copy', 'edit-copy', _('Copy'), ),
            ('paste', 'edit-paste', _('Paste'), ),
            ('paste_and_match_style', 'edit-paste', _('Paste and match style'), ),
            ('cut', 'edit-cut', _('Cut'), ),
            ('indent', 'format-indent-more', _('Increase indentation'), ),
            ('outdent', 'format-indent-less', _('Decrease indentation'), ),
            ('select_all', 'edit-select-all', _('Select all'), ),

            ('color', 'format-text-color', _('Foreground color')),
            ('background', 'format-fill-color', _('Background color')),
            ('insert_link', 'insert-link', _('Insert link or image'),),
            ('insert_hr', 'format-text-hr', _('Insert separator'),),
            ('clear', 'trash', _('Clear')),
        ):
            name, icon, text = rec[:3]
            checkable = len(rec) == 4
            ac = QAction(QIcon(I(icon + '.png')), text, self)
            if checkable:
                ac.setCheckable(checkable)
            setattr(self, 'action_'+name, ac)
            ac.triggered.connect(getattr(self, 'do_' + name))

        self.action_block_style = QAction(QIcon(I('format-text-heading.png')),
                _('Style text block'), self)
        self.action_block_style.setToolTip(
                _('Style the selected text block'))
        self.block_style_menu = QMenu(self)
        self.action_block_style.setMenu(self.block_style_menu)
        self.block_style_actions = []
        h = _('Heading {0}')
        for text, name in (
            (_('Normal'), 'p'),
            (h.format(1), 'h1'),
            (h.format(2), 'h2'),
            (h.format(3), 'h3'),
            (h.format(4), 'h4'),
            (h.format(5), 'h5'),
            (h.format(6), 'h6'),
            (_('Blockquote'), 'blockquote'),
        ):
            ac = QAction(text, self)
            self.block_style_menu.addAction(ac)
            ac.block_name = name
            ac.setCheckable(True)
            self.block_style_actions.append(ac)
            ac.triggered.connect(self.do_format_block)

        self.setHtml('')
        self.copyAvailable.connect(self.update_clipboard_actions)
        self.update_clipboard_actions(False)
        self.selectionChanged.connect(self.update_selection_based_actions)
        self.update_selection_based_actions()
        connect_lambda(self.undoAvailable, self, lambda self, yes: self.action_undo.setEnabled(yes))
        connect_lambda(self.redoAvailable, self, lambda self, yes: self.action_redo.setEnabled(yes))
        self.action_undo.setEnabled(False), self.action_redo.setEnabled(False)
        self.textChanged.connect(self.update_cursor_position_actions)
        self.cursorPositionChanged.connect(self.update_cursor_position_actions)
        self.textChanged.connect(self.data_changed)
        self.update_cursor_position_actions()

    def keyPressEvent(self, ev):
        if ev.matches(QKeySequence.StandardKey.Bold):
            ev.accept()
            self.action_bold.toggle(), self.action_bold.trigger()
            return
        if ev.matches(QKeySequence.StandardKey.Italic):
            ev.accept()
            self.action_italic.toggle(), self.action_italic.trigger()
            return
        if ev.matches(QKeySequence.StandardKey.Underline):
            ev.accept()
            self.action_underline.toggle(), self.action_underline.trigger()
            return
        return QTextEdit.keyPressEvent(self, ev)

    def update_clipboard_actions(self, copy_available):
        self.action_copy.setEnabled(copy_available)
        self.action_cut.setEnabled(copy_available)

    def update_selection_based_actions(self):
        pass

    def update_cursor_position_actions(self):
        c = self.textCursor()
        ls = c.currentList()
        self.action_ordered_list.setChecked(ls is not None and ls.format().style() == QTextListFormat.Style.ListDecimal)
        self.action_unordered_list.setChecked(ls is not None and ls.format().style() == QTextListFormat.Style.ListDisc)
        tcf = c.charFormat()
        vert = tcf.verticalAlignment()
        self.action_superscript.setChecked(vert == QTextCharFormat.VerticalAlignment.AlignSuperScript)
        self.action_subscript.setChecked(vert == QTextCharFormat.VerticalAlignment.AlignSubScript)
        self.action_bold.setChecked(tcf.fontWeight() == QFont.Weight.Bold)
        self.action_italic.setChecked(tcf.fontItalic())
        self.action_underline.setChecked(tcf.fontUnderline())
        self.action_strikethrough.setChecked(tcf.fontStrikeOut())
        bf = c.blockFormat()
        a = bf.alignment()
        self.action_align_left.setChecked(a == Qt.AlignmentFlag.AlignLeft)
        self.action_align_right.setChecked(a == Qt.AlignmentFlag.AlignRight)
        self.action_align_center.setChecked(a == Qt.AlignmentFlag.AlignHCenter)
        self.action_align_justified.setChecked(a == Qt.AlignmentFlag.AlignJustify)
        lvl = bf.headingLevel()
        name = 'p'
        if lvl == 0:
            if bf.leftMargin() == bf.rightMargin() and bf.leftMargin() > 0:
                name = 'blockquote'
        else:
            name = 'h{}'.format(lvl)
        for ac in self.block_style_actions:
            ac.setChecked(ac.block_name == name)

    def set_readonly(self, what):
        self.readonly = what

    def focus_self(self):
        self.setFocus(Qt.FocusReason.TabFocusReason)

    def do_clear(self, *args):
        c = self.textCursor()
        c.beginEditBlock()
        c.movePosition(QTextCursor.MoveOperation.Start, QTextCursor.MoveMode.MoveAnchor)
        c.movePosition(QTextCursor.MoveOperation.End, QTextCursor.MoveMode.KeepAnchor)
        c.removeSelectedText()
        c.endEditBlock()
        self.focus_self()
    clear_text = do_clear

    def do_bold(self):
        with self.editing_cursor() as c:
            fmt = QTextCharFormat()
            fmt.setFontWeight(
                QFont.Weight.Bold if c.charFormat().fontWeight() != QFont.Weight.Bold else QFont.Weight.Normal)
            c.mergeCharFormat(fmt)

    def do_italic(self):
        with self.editing_cursor() as c:
            fmt = QTextCharFormat()
            fmt.setFontItalic(not c.charFormat().fontItalic())
            c.mergeCharFormat(fmt)

    def do_underline(self):
        with self.editing_cursor() as c:
            fmt = QTextCharFormat()
            fmt.setFontUnderline(not c.charFormat().fontUnderline())
            c.mergeCharFormat(fmt)

    def do_strikethrough(self):
        with self.editing_cursor() as c:
            fmt = QTextCharFormat()
            fmt.setFontStrikeOut(not c.charFormat().fontStrikeOut())
            c.mergeCharFormat(fmt)

    def do_vertical_align(self, which):
        with self.editing_cursor() as c:
            fmt = QTextCharFormat()
            fmt.setVerticalAlignment(which)
            c.mergeCharFormat(fmt)

    def do_superscript(self):
        self.do_vertical_align(QTextCharFormat.VerticalAlignment.AlignSuperScript)

    def do_subscript(self):
        self.do_vertical_align(QTextCharFormat.VerticalAlignment.AlignSubScript)

    def do_list(self, fmt):
        with self.editing_cursor() as c:
            ls = c.currentList()
            if ls is not None:
                lf = ls.format()
                if lf.style() == fmt:
                    c.setBlockFormat(QTextBlockFormat())
                else:
                    lf.setStyle(fmt)
                    ls.setFormat(lf)
            else:
                ls = c.createList(fmt)

    def do_ordered_list(self):
        self.do_list(QTextListFormat.Style.ListDecimal)

    def do_unordered_list(self):
        self.do_list(QTextListFormat.Style.ListDisc)

    def do_alignment(self, which):
        with self.editing_cursor() as c:
            c = self.textCursor()
            fmt = QTextBlockFormat()
            fmt.setAlignment(which)
            c.mergeBlockFormat(fmt)

    def do_align_left(self):
        self.do_alignment(Qt.AlignmentFlag.AlignLeft)

    def do_align_center(self):
        self.do_alignment(Qt.AlignmentFlag.AlignHCenter)

    def do_align_right(self):
        self.do_alignment(Qt.AlignmentFlag.AlignRight)

    def do_align_justified(self):
        self.do_alignment(Qt.AlignmentFlag.AlignJustify)

    def do_undo(self):
        self.undo()
        self.focus_self()

    def do_redo(self):
        self.redo()
        self.focus_self()

    def do_remove_format(self):
        with self.editing_cursor() as c:
            c.setBlockFormat(QTextBlockFormat())
            c.setCharFormat(QTextCharFormat())

    def do_copy(self):
        self.copy()
        self.focus_self()

    def do_paste(self):
        self.paste()
        self.focus_self()

    def do_paste_and_match_style(self):
        text = QApplication.instance().clipboard().text()
        if text:
            self.setText(text)

    def do_cut(self):
        self.cut()
        self.focus_self()

    def indent_block(self, mult=1):
        with self.editing_cursor() as c:
            bf = c.blockFormat()
            bf.setTextIndent(bf.textIndent() + 2 * self.em_size * mult)
            c.setBlockFormat(bf)

    def do_indent(self):
        self.indent_block()

    def do_outdent(self):
        self.indent_block(-1)

    def do_select_all(self):
        with self.editing_cursor() as c:
            c.movePosition(QTextCursor.MoveOperation.Start, QTextCursor.MoveMode.MoveAnchor)
            c.movePosition(QTextCursor.MoveOperation.End, QTextCursor.MoveMode.KeepAnchor)

    def level_for_block_type(self, name):
        if name == 'blockquote':
            return 0
        return {q: i for i, q in enumerate('p h1 h2 h3 h4 h5 h6'.split())}[name]

    def do_format_block(self):
        name = self.sender().block_name
        with self.editing_cursor() as c:
            bf = QTextBlockFormat()
            cf = QTextCharFormat()
            bcf = c.blockCharFormat()
            lvl = self.level_for_block_type(name)
            wt = QFont.Weight.Bold if lvl else None
            adjust = (0, 3, 2, 1, 0, -1, -1)[lvl]
            pos = None
            if not c.hasSelection():
                pos = c.position()
                c.movePosition(QTextCursor.MoveOperation.StartOfBlock, QTextCursor.MoveMode.MoveAnchor)
                c.movePosition(QTextCursor.MoveOperation.EndOfBlock, QTextCursor.MoveMode.KeepAnchor)
            # margin values are taken from qtexthtmlparser.cpp
            hmargin = 0
            if name == 'blockquote':
                hmargin = 40
            tmargin = bmargin = 12
            if name == 'h1':
                tmargin, bmargin = 18, 12
            elif name == 'h2':
                tmargin, bmargin = 16, 12
            elif name == 'h3':
                tmargin, bmargin = 14, 12
            elif name == 'h4':
                tmargin, bmargin = 12, 12
            elif name == 'h5':
                tmargin, bmargin = 12, 4
            bf.setLeftMargin(hmargin), bf.setRightMargin(hmargin)
            bf.setTopMargin(tmargin), bf.setBottomMargin(bmargin)
            bf.setHeadingLevel(lvl)
            if adjust:
                bcf.setProperty(QTextFormat.Property.FontSizeAdjustment, adjust)
                cf.setProperty(QTextFormat.Property.FontSizeAdjustment, adjust)
            if wt:
                bcf.setProperty(QTextFormat.Property.FontWeight, wt)
                cf.setProperty(QTextFormat.Property.FontWeight, wt)
            c.setBlockCharFormat(bcf)
            c.mergeCharFormat(cf)
            c.mergeBlockFormat(bf)
            if pos is not None:
                c.setPosition(pos)

    def do_color(self):
        col = QColorDialog.getColor(Qt.GlobalColor.black, self,
                _('Choose foreground color'), QColorDialog.ColorDialogOption.ShowAlphaChannel)
        if col.isValid():
            fmt = QTextCharFormat()
            fmt.setForeground(QBrush(col))
            with self.editing_cursor() as c:
                c.mergeCharFormat(fmt)

    def do_background(self):
        col = QColorDialog.getColor(Qt.GlobalColor.white, self,
                _('Choose background color'), QColorDialog.ColorDialogOption.ShowAlphaChannel)
        if col.isValid():
            fmt = QTextCharFormat()
            fmt.setBackground(QBrush(col))
            with self.editing_cursor() as c:
                c.mergeCharFormat(fmt)

    def do_insert_hr(self, *args):
        with self.editing_cursor() as c:
            c.movePosition(QTextCursor.MoveOperation.EndOfBlock, QTextCursor.MoveMode.MoveAnchor)
            c.insertHtml('<hr>')

    def do_insert_link(self, *args):
        link, name, is_image = self.ask_link()
        if not link:
            return
        url = self.parse_link(link)
        if url.isValid():
            url = unicode_type(url.toString(NO_URL_FORMATTING))
            self.focus_self()
            with self.editing_cursor() as c:
                if is_image:
                    c.insertImage(url)
                else:
                    oldfmt = QTextCharFormat(c.charFormat())
                    fmt = QTextCharFormat()
                    fmt.setAnchor(True)
                    fmt.setAnchorHref(url)
                    fmt.setForeground(QBrush(self.palette().color(QPalette.ColorRole.Link)))
                    if name or not c.hasSelection():
                        c.mergeCharFormat(fmt)
                        c.insertText(name or url)
                    else:
                        pos, anchor = c.position(), c.anchor()
                        start, end = min(pos, anchor), max(pos, anchor)
                        for i in range(start, end):
                            cur = self.textCursor()
                            cur.setPosition(i), cur.setPosition(i + 1, QTextCursor.MoveMode.KeepAnchor)
                            cur.mergeCharFormat(fmt)
                    c.setPosition(c.position())
                    c.setCharFormat(oldfmt)

        else:
            error_dialog(self, _('Invalid URL'),
                         _('The url %r is invalid') % link, show=True)

    def ask_link(self):

        class Ask(QDialog):

            def accept(self):
                if self.treat_as_image.isChecked():
                    url = self.url.text()
                    if url.lower().split(':', 1)[0] in ('http', 'https'):
                        error_dialog(self, _('Remote images not supported'), _(
                            'You must download the image to your computer, URLs pointing'
                            ' to remote images are not supported.'), show=True)
                        return
                QDialog.accept(self)

        d = Ask(self)
        d.setWindowTitle(_('Create link'))
        l = QFormLayout()
        l.setFieldGrowthPolicy(QFormLayout.FieldGrowthPolicy.ExpandingFieldsGrow)
        d.setLayout(l)
        d.url = QLineEdit(d)
        d.name = QLineEdit(d)
        d.treat_as_image = QCheckBox(d)
        d.setMinimumWidth(600)
        d.bb = QDialogButtonBox(QDialogButtonBox.StandardButton.Ok|QDialogButtonBox.StandardButton.Cancel)
        d.br = b = QPushButton(_('&Browse'))
        b.setIcon(QIcon(I('document_open.png')))

        def cf():
            filetypes = []
            if d.treat_as_image.isChecked():
                filetypes = [(_('Images'), 'png jpeg jpg gif'.split())]
            files = choose_files(d, 'select link file', _('Choose file'), filetypes, select_only_single_file=True)
            if files:
                path = files[0]
                d.url.setText(path)
                if path and os.path.exists(path):
                    with lopen(path, 'rb') as f:
                        q = what(f)
                    is_image = q in {'jpeg', 'png', 'gif'}
                    d.treat_as_image.setChecked(is_image)

        b.clicked.connect(cf)
        d.la = la = QLabel(_(
            'Enter a URL. If you check the "Treat the URL as an image" box '
            'then the URL will be added as an image reference instead of as '
            'a link. You can also choose to create a link to a file on '
            'your computer. '
            'Note that if you create a link to a file on your computer, it '
            'will stop working if the file is moved.'))
        la.setWordWrap(True)
        la.setStyleSheet('QLabel { margin-bottom: 1.5ex }')
        l.setWidget(0, QFormLayout.ItemRole.SpanningRole, la)
        l.addRow(_('Enter &URL:'), d.url)
        l.addRow(_('Treat the URL as an &image'), d.treat_as_image)
        l.addRow(_('Enter &name (optional):'), d.name)
        l.addRow(_('Choose a file on your computer:'), d.br)
        l.addRow(d.bb)
        d.bb.accepted.connect(d.accept)
        d.bb.rejected.connect(d.reject)
        d.resize(d.sizeHint())
        link, name, is_image = None, None, False
        if d.exec_() == QDialog.DialogCode.Accepted:
            link, name = unicode_type(d.url.text()).strip(), unicode_type(d.name.text()).strip()
            is_image = d.treat_as_image.isChecked()
        return link, name, is_image

    def parse_link(self, link):
        link = link.strip()
        if link and os.path.exists(link):
            return QUrl.fromLocalFile(link)
        has_schema = re.match(r'^[a-zA-Z]+:', link)
        if has_schema is not None:
            url = QUrl(link, QUrl.ParsingMode.TolerantMode)
            if url.isValid():
                return url
        if os.path.exists(link):
            return QUrl.fromLocalFile(link)

        if has_schema is None:
            first, _, rest = link.partition('.')
            prefix = 'http'
            if first == 'ftp':
                prefix = 'ftp'
            url = QUrl(prefix +'://'+link, QUrl.ParsingMode.TolerantMode)
            if url.isValid():
                return url

        return QUrl(link, QUrl.ParsingMode.TolerantMode)

    def sizeHint(self):
        return QSize(150, 150)

    @property
    def html(self):
        raw = original_html = self.toHtml()
        check = self.toPlainText().strip()
        raw = xml_to_unicode(raw, strip_encoding_pats=True, resolve_entities=True)[0]
        raw = self.comments_pat.sub('', raw)
        if not check and '<img' not in raw.lower():
            return ''

        root = parse(raw, maybe_xhtml=False, sanitize_names=True)
        if root.xpath('//meta[@name="calibre-dont-sanitize"]'):
            # Bypass cleanup if special meta tag exists
            return original_html

        try:
            cleanup_qt_markup(root)
        except Exception:
            import traceback
            traceback.print_exc()
        elems = []
        for body in root.xpath('//body'):
            if body.text:
                elems.append(body.text)
            elems += [html.tostring(x, encoding='unicode') for x in body if
                x.tag not in ('script', 'style')]

        if len(elems) > 1:
            ans = '<div>%s</div>'%(u''.join(elems))
        else:
            ans = ''.join(elems)
            if not ans.startswith('<'):
                ans = '<p>%s</p>'%ans
        return xml_replace_entities(ans)

    @html.setter
    def html(self, val):
        self.setHtml(val)

    def set_base_url(self, qurl):
        self.base_url = qurl

    @pyqtSlot(int, 'QUrl', result='QVariant')
    def loadResource(self, rtype, qurl):
        if self.base_url:
            if qurl.isRelative():
                qurl = self.base_url.resolved(qurl)
            if qurl.isLocalFile():
                path = qurl.toLocalFile()
                try:
                    with lopen(path, 'rb') as f:
                        data = f.read()
                except EnvironmentError:
                    if path.rpartition('.')[-1].lower() in {'jpg', 'jpeg', 'gif', 'png', 'bmp', 'webp'}:
                        return QByteArray(bytearray.fromhex(
                                    '89504e470d0a1a0a0000000d49484452'
                                    '000000010000000108060000001f15c4'
                                    '890000000a49444154789c6300010000'
                                    '0500010d0a2db40000000049454e44ae'
                                    '426082'))
                else:
                    return QByteArray(data)

    def set_html(self, val, allow_undo=True):
        if not allow_undo or self.readonly:
            self.html = val
            return
        with self.editing_cursor() as c:
            c.movePosition(QTextCursor.MoveOperation.Start, QTextCursor.MoveMode.MoveAnchor)
            c.movePosition(QTextCursor.MoveOperation.End, QTextCursor.MoveMode.KeepAnchor)
            c.removeSelectedText()
            c.insertHtml(val)

    def text(self):
        return self.textCursor().selectedText()

    def setText(self, text):
        with self.editing_cursor() as c:
            c.insertText(text)

    def contextMenuEvent(self, ev):
        menu = self.createStandardContextMenu()
        for action in menu.actions():
            parts = action.text().split('\t')
            if len(parts) == 2 and QKeySequence(QKeySequence.StandardKey.Paste).toString(QKeySequence.SequenceFormat.NativeText) in parts[-1]:
                menu.insertAction(action, self.action_paste_and_match_style)
                break
        else:
            menu.addAction(self.action_paste_and_match_style)
        st = self.text()
        m = QMenu(_('Fonts'))
        m.addAction(self.action_bold), m.addAction(self.action_italic), m.addAction(self.action_underline)
        menu.addMenu(m)

        if st and st.strip():
            self.create_change_case_menu(menu)
        parent = self._parent()
        if hasattr(parent, 'toolbars_visible'):
            vis = parent.toolbars_visible
            menu.addAction(_('%s toolbars') % (_('Hide') if vis else _('Show')), parent.toggle_toolbars)
        menu.addSeparator()
        am = QMenu(_('Advanced'))
        menu.addMenu(am)
        am.addAction(self.action_block_style)
        am.addAction(self.action_insert_link)
        am.addAction(self.action_background)
        am.addAction(self.action_color)
        menu.addAction(_('Smarten punctuation'), parent.smarten_punctuation)
        menu.exec_(ev.globalPos())
예제 #4
0
class PluginUpdaterDialog(SizePersistedDialog):

    initial_extra_size = QSize(350, 100)
    forum_label_text = _('Plugin homepage')

    def __init__(self, gui, initial_filter=FILTER_UPDATE_AVAILABLE):
        SizePersistedDialog.__init__(
            self, gui, 'Plugin Updater plugin:plugin updater dialog')
        self.gui = gui
        self.forum_link = None
        self.zip_url = None
        self.model = None
        self.do_restart = False
        self._initialize_controls()
        self._create_context_menu()

        try:
            display_plugins = read_available_plugins(raise_error=True)
        except Exception:
            display_plugins = []
            import traceback
            error_dialog(self.gui,
                         _('Update Check Failed'),
                         _('Unable to reach the plugin index page.'),
                         det_msg=traceback.format_exc(),
                         show=True)

        if display_plugins:
            self.model = DisplayPluginModel(display_plugins)
            self.proxy_model = DisplayPluginSortFilterModel(self)
            self.proxy_model.setSourceModel(self.model)
            self.plugin_view.setModel(self.proxy_model)
            self.plugin_view.resizeColumnsToContents()
            self.plugin_view.selectionModel().currentRowChanged.connect(
                self._plugin_current_changed)
            self.plugin_view.doubleClicked.connect(self.install_button.click)
            self.filter_combo.setCurrentIndex(initial_filter)
            self._select_and_focus_view()
        else:
            self.filter_combo.setEnabled(False)
        # Cause our dialog size to be restored from prefs or created on first usage
        self.resize_dialog()

    def _initialize_controls(self):
        self.setWindowTitle(_('User plugins'))
        self.setWindowIcon(QIcon(I('plugins/plugin_updater.png')))
        layout = QVBoxLayout(self)
        self.setLayout(layout)
        title_layout = ImageTitleLayout(self, 'plugins/plugin_updater.png',
                                        _('User plugins'))
        layout.addLayout(title_layout)

        header_layout = QHBoxLayout()
        layout.addLayout(header_layout)
        self.filter_combo = PluginFilterComboBox(self)
        self.filter_combo.setMinimumContentsLength(20)
        self.filter_combo.currentIndexChanged[int].connect(
            self._filter_combo_changed)
        la = QLabel(_('Filter list of &plugins') + ':', self)
        la.setBuddy(self.filter_combo)
        header_layout.addWidget(la)
        header_layout.addWidget(self.filter_combo)
        header_layout.addStretch(10)

        # filter plugins by name
        la = QLabel(_('Filter by &name') + ':', self)
        header_layout.addWidget(la)
        self.filter_by_name_lineedit = QLineEdit(self)
        la.setBuddy(self.filter_by_name_lineedit)
        self.filter_by_name_lineedit.setText("")
        self.filter_by_name_lineedit.textChanged.connect(
            self._filter_name_lineedit_changed)

        header_layout.addWidget(self.filter_by_name_lineedit)

        self.plugin_view = QTableView(self)
        self.plugin_view.horizontalHeader().setStretchLastSection(True)
        self.plugin_view.setSelectionBehavior(
            QAbstractItemView.SelectionBehavior.SelectRows)
        self.plugin_view.setSelectionMode(
            QAbstractItemView.SelectionMode.SingleSelection)
        self.plugin_view.setAlternatingRowColors(True)
        self.plugin_view.setSortingEnabled(True)
        self.plugin_view.setIconSize(QSize(28, 28))
        layout.addWidget(self.plugin_view)

        details_layout = QHBoxLayout()
        layout.addLayout(details_layout)
        forum_label = self.forum_label = QLabel('')
        forum_label.setTextInteractionFlags(
            Qt.TextInteractionFlag.LinksAccessibleByMouse
            | Qt.TextInteractionFlag.LinksAccessibleByKeyboard)
        forum_label.linkActivated.connect(self._forum_label_activated)
        details_layout.addWidget(QLabel(_('Description') + ':', self), 0,
                                 Qt.AlignmentFlag.AlignLeft)
        details_layout.addWidget(forum_label, 1, Qt.AlignmentFlag.AlignRight)

        self.description = QLabel(self)
        self.description.setFrameStyle(QFrame.Shape.Panel
                                       | QFrame.Shadow.Sunken)
        self.description.setAlignment(Qt.AlignmentFlag.AlignTop
                                      | Qt.AlignmentFlag.AlignLeft)
        self.description.setMinimumHeight(40)
        self.description.setWordWrap(True)
        layout.addWidget(self.description)

        self.button_box = QDialogButtonBox(
            QDialogButtonBox.StandardButton.Close)
        self.button_box.rejected.connect(self.reject)
        self.finished.connect(self._finished)
        self.install_button = self.button_box.addButton(
            _('&Install'), QDialogButtonBox.ButtonRole.AcceptRole)
        self.install_button.setToolTip(_('Install the selected plugin'))
        self.install_button.clicked.connect(self._install_clicked)
        self.install_button.setEnabled(False)
        self.configure_button = self.button_box.addButton(
            ' ' + _('&Customize plugin ') + ' ',
            QDialogButtonBox.ButtonRole.ResetRole)
        self.configure_button.setToolTip(
            _('Customize the options for this plugin'))
        self.configure_button.clicked.connect(self._configure_clicked)
        self.configure_button.setEnabled(False)
        layout.addWidget(self.button_box)

    def update_forum_label(self):
        txt = ''
        if self.forum_link:
            txt = '<a href="%s">%s</a>' % (self.forum_link,
                                           self.forum_label_text)
        self.forum_label.setText(txt)

    def _create_context_menu(self):
        self.plugin_view.setContextMenuPolicy(
            Qt.ContextMenuPolicy.ActionsContextMenu)
        self.install_action = QAction(
            QIcon(I('plugins/plugin_upgrade_ok.png')), _('&Install'), self)
        self.install_action.setToolTip(_('Install the selected plugin'))
        self.install_action.triggered.connect(self._install_clicked)
        self.install_action.setEnabled(False)
        self.plugin_view.addAction(self.install_action)
        self.forum_action = QAction(QIcon(I('plugins/mobileread.png')),
                                    _('Plugin &forum thread'), self)
        self.forum_action.triggered.connect(self._forum_label_activated)
        self.forum_action.setEnabled(False)
        self.plugin_view.addAction(self.forum_action)

        sep1 = QAction(self)
        sep1.setSeparator(True)
        self.plugin_view.addAction(sep1)

        self.toggle_enabled_action = QAction(_('Enable/&disable plugin'), self)
        self.toggle_enabled_action.setToolTip(
            _('Enable or disable this plugin'))
        self.toggle_enabled_action.triggered.connect(
            self._toggle_enabled_clicked)
        self.toggle_enabled_action.setEnabled(False)
        self.plugin_view.addAction(self.toggle_enabled_action)
        self.uninstall_action = QAction(_('&Remove plugin'), self)
        self.uninstall_action.setToolTip(_('Uninstall the selected plugin'))
        self.uninstall_action.triggered.connect(self._uninstall_clicked)
        self.uninstall_action.setEnabled(False)
        self.plugin_view.addAction(self.uninstall_action)

        sep2 = QAction(self)
        sep2.setSeparator(True)
        self.plugin_view.addAction(sep2)

        self.donate_enabled_action = QAction(QIcon(I('donate.png')),
                                             _('Donate to developer'), self)
        self.donate_enabled_action.setToolTip(
            _('Donate to the developer of this plugin'))
        self.donate_enabled_action.triggered.connect(self._donate_clicked)
        self.donate_enabled_action.setEnabled(False)
        self.plugin_view.addAction(self.donate_enabled_action)

        sep3 = QAction(self)
        sep3.setSeparator(True)
        self.plugin_view.addAction(sep3)

        self.configure_action = QAction(QIcon(I('config.png')),
                                        _('&Customize plugin'), self)
        self.configure_action.setToolTip(
            _('Customize the options for this plugin'))
        self.configure_action.triggered.connect(self._configure_clicked)
        self.configure_action.setEnabled(False)
        self.plugin_view.addAction(self.configure_action)

    def _finished(self, *args):
        if self.model:
            update_plugins = list(
                filter(filter_upgradeable_plugins, self.model.display_plugins))
            self.gui.recalc_update_label(len(update_plugins))

    def _plugin_current_changed(self, current, previous):
        if current.isValid():
            actual_idx = self.proxy_model.mapToSource(current)
            display_plugin = self.model.display_plugins[actual_idx.row()]
            self.description.setText(display_plugin.description)
            self.forum_link = display_plugin.forum_link
            self.zip_url = display_plugin.zip_url
            self.forum_action.setEnabled(bool(self.forum_link))
            self.install_button.setEnabled(
                display_plugin.is_valid_to_install())
            self.install_action.setEnabled(self.install_button.isEnabled())
            self.uninstall_action.setEnabled(display_plugin.is_installed())
            self.configure_button.setEnabled(display_plugin.is_installed())
            self.configure_action.setEnabled(self.configure_button.isEnabled())
            self.toggle_enabled_action.setEnabled(
                display_plugin.is_installed())
            self.donate_enabled_action.setEnabled(
                bool(display_plugin.donation_link))
        else:
            self.description.setText('')
            self.forum_link = None
            self.zip_url = None
            self.forum_action.setEnabled(False)
            self.install_button.setEnabled(False)
            self.install_action.setEnabled(False)
            self.uninstall_action.setEnabled(False)
            self.configure_button.setEnabled(False)
            self.configure_action.setEnabled(False)
            self.toggle_enabled_action.setEnabled(False)
            self.donate_enabled_action.setEnabled(False)
        self.update_forum_label()

    def _donate_clicked(self):
        plugin = self._selected_display_plugin()
        if plugin and plugin.donation_link:
            open_url(QUrl(plugin.donation_link))

    def _select_and_focus_view(self, change_selection=True):
        if change_selection and self.plugin_view.model().rowCount() > 0:
            self.plugin_view.selectRow(0)
        else:
            idx = self.plugin_view.selectionModel().currentIndex()
            self._plugin_current_changed(idx, 0)
        self.plugin_view.setFocus()

    def _filter_combo_changed(self, idx):
        self.filter_by_name_lineedit.setText(
            ""
        )  # clear the name filter text when a different group was selected
        self.proxy_model.set_filter_criteria(idx)
        if idx == FILTER_NOT_INSTALLED:
            self.plugin_view.sortByColumn(5, Qt.SortOrder.DescendingOrder)
        else:
            self.plugin_view.sortByColumn(0, Qt.SortOrder.AscendingOrder)
        self._select_and_focus_view()

    def _filter_name_lineedit_changed(self, text):
        self.proxy_model.set_filter_text(
            text)  # set the filter text for filterAcceptsRow

    def _forum_label_activated(self):
        if self.forum_link:
            open_url(QUrl(self.forum_link))

    def _selected_display_plugin(self):
        idx = self.plugin_view.selectionModel().currentIndex()
        actual_idx = self.proxy_model.mapToSource(idx)
        return self.model.display_plugins[actual_idx.row()]

    def _uninstall_plugin(self, name_to_remove):
        if DEBUG:
            prints('Removing plugin: ', name_to_remove)
        remove_plugin(name_to_remove)
        # Make sure that any other plugins that required this plugin
        # to be uninstalled first have the requirement removed
        for display_plugin in self.model.display_plugins:
            # Make sure we update the status and display of the
            # plugin we just uninstalled
            if name_to_remove in display_plugin.uninstall_plugins:
                if DEBUG:
                    prints('Removing uninstall dependency for: ',
                           display_plugin.name)
                display_plugin.uninstall_plugins.remove(name_to_remove)
            if display_plugin.qname == name_to_remove:
                if DEBUG:
                    prints('Resetting plugin to uninstalled status: ',
                           display_plugin.name)
                display_plugin.installed_version = None
                display_plugin.plugin = None
                display_plugin.uninstall_plugins = []
                if self.proxy_model.filter_criteria not in [
                        FILTER_INSTALLED, FILTER_UPDATE_AVAILABLE
                ]:
                    self.model.refresh_plugin(display_plugin)

    def _uninstall_clicked(self):
        display_plugin = self._selected_display_plugin()
        if not question_dialog(
                self,
                _('Are you sure?'),
                '<p>' +
                _('Are you sure you want to uninstall the <b>%s</b> plugin?') %
                display_plugin.name,
                show_copy_button=False):
            return
        self._uninstall_plugin(display_plugin.qname)
        if self.proxy_model.filter_criteria in [
                FILTER_INSTALLED, FILTER_UPDATE_AVAILABLE
        ]:
            self.model.beginResetModel(), self.model.endResetModel()
            self._select_and_focus_view()
        else:
            self._select_and_focus_view(change_selection=False)

    def _install_clicked(self):
        display_plugin = self._selected_display_plugin()
        if not question_dialog(
                self,
                _('Install %s') % display_plugin.name,
                '<p>' +
                _('Installing plugins is a <b>security risk</b>. '
                  'Plugins can contain a virus/malware. '
                  'Only install it if you got it from a trusted source.'
                  ' Are you sure you want to proceed?'),
                show_copy_button=False):
            return

        if display_plugin.uninstall_plugins:
            uninstall_names = list(display_plugin.uninstall_plugins)
            if DEBUG:
                prints('Uninstalling plugin: ', ', '.join(uninstall_names))
            for name_to_remove in uninstall_names:
                self._uninstall_plugin(name_to_remove)

        plugin_zip_url = display_plugin.zip_url
        if DEBUG:
            prints('Downloading plugin ZIP attachment: ', plugin_zip_url)
        self.gui.status_bar.showMessage(
            _('Downloading plugin ZIP attachment: %s') % plugin_zip_url)
        zip_path = self._download_zip(plugin_zip_url)

        if DEBUG:
            prints('Installing plugin: ', zip_path)
        self.gui.status_bar.showMessage(_('Installing plugin: %s') % zip_path)

        do_restart = False
        try:
            from calibre.customize.ui import config
            installed_plugins = frozenset(config['plugins'])
            try:
                plugin = add_plugin(zip_path)
            except NameConflict as e:
                return error_dialog(self.gui,
                                    _('Already exists'),
                                    unicode_type(e),
                                    show=True)
            # Check for any toolbars to add to.
            widget = ConfigWidget(self.gui)
            widget.gui = self.gui
            widget.check_for_add_to_toolbars(plugin,
                                             previously_installed=plugin.name
                                             in installed_plugins)
            self.gui.status_bar.showMessage(
                _('Plugin installed: %s') % display_plugin.name)
            d = info_dialog(
                self.gui,
                _('Success'),
                _('Plugin <b>{0}</b> successfully installed under <b>'
                  '{1}</b>. You may have to restart calibre '
                  'for the plugin to take effect.').format(
                      plugin.name, plugin.type),
                show_copy_button=False)
            b = d.bb.addButton(_('&Restart calibre now'),
                               QDialogButtonBox.ButtonRole.AcceptRole)
            b.setIcon(QIcon(I('lt.png')))
            d.do_restart = False

            def rf():
                d.do_restart = True

            b.clicked.connect(rf)
            d.set_details('')
            d.exec_()
            b.clicked.disconnect()
            do_restart = d.do_restart

            display_plugin.plugin = plugin
            # We cannot read the 'actual' version information as the plugin will not be loaded yet
            display_plugin.installed_version = display_plugin.available_version
        except:
            if DEBUG:
                prints('ERROR occurred while installing plugin: %s' %
                       display_plugin.name)
                traceback.print_exc()
            error_dialog(
                self.gui,
                _('Install plugin failed'),
                _('A problem occurred while installing this plugin.'
                  ' This plugin will now be uninstalled.'
                  ' Please post the error message in details below into'
                  ' the forum thread for this plugin and restart calibre.'),
                det_msg=traceback.format_exc(),
                show=True)
            if DEBUG:
                prints('Due to error now uninstalling plugin: %s' %
                       display_plugin.name)
            remove_plugin(display_plugin.name)
            display_plugin.plugin = None

        display_plugin.uninstall_plugins = []
        if self.proxy_model.filter_criteria in [
                FILTER_NOT_INSTALLED, FILTER_UPDATE_AVAILABLE
        ]:
            self.model.beginResetModel(), self.model.endResetModel()
            self._select_and_focus_view()
        else:
            self.model.refresh_plugin(display_plugin)
            self._select_and_focus_view(change_selection=False)
        if do_restart:
            self.do_restart = True
            self.accept()

    def _configure_clicked(self):
        display_plugin = self._selected_display_plugin()
        plugin = display_plugin.plugin
        if not plugin.is_customizable():
            return info_dialog(self,
                               _('Plugin not customizable'),
                               _('Plugin: %s does not need customization') %
                               plugin.name,
                               show=True)
        from calibre.customize import InterfaceActionBase
        if isinstance(plugin, InterfaceActionBase) and not getattr(
                plugin, 'actual_iaction_plugin_loaded', False):
            return error_dialog(self,
                                _('Must restart'),
                                _('You must restart calibre before you can'
                                  ' configure the <b>%s</b> plugin') %
                                plugin.name,
                                show=True)
        plugin.do_user_config(self.parent())

    def _toggle_enabled_clicked(self):
        display_plugin = self._selected_display_plugin()
        plugin = display_plugin.plugin
        if not plugin.can_be_disabled:
            return error_dialog(self,
                                _('Plugin cannot be disabled'),
                                _('The plugin: %s cannot be disabled') %
                                plugin.name,
                                show=True)
        if is_disabled(plugin):
            enable_plugin(plugin)
        else:
            disable_plugin(plugin)
        self.model.refresh_plugin(display_plugin)

    def _download_zip(self, plugin_zip_url):
        from calibre.ptempfile import PersistentTemporaryFile
        raw = get_https_resource_securely(
            plugin_zip_url,
            headers={'User-Agent': '%s %s' % (__appname__, __version__)})
        with PersistentTemporaryFile('.zip') as pt:
            pt.write(raw)
        return pt.name