Python TextEdit.paste方法代码示例

# 需要导入模块: from calibre.gui2.tweak_book.editor.text import TextEdit [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.text.TextEdit import paste [as 别名]
class Editor(QMainWindow):

    modification_state_changed = pyqtSignal(object)
    undo_redo_state_changed = pyqtSignal(object, object)
    copy_available_state_changed = pyqtSignal(object)
    data_changed = pyqtSignal(object)

    def __init__(self, syntax, parent=None):
        QMainWindow.__init__(self, parent)
        if parent is None:
            self.setWindowFlags(Qt.Widget)
        self.syntax = syntax
        self.editor = TextEdit(self)
        self.setCentralWidget(self.editor)
        self.editor.modificationChanged.connect(self.modification_state_changed.emit)
        self.create_toolbars()
        self.undo_available = False
        self.redo_available = False
        self.copy_available = self.cut_available = False
        self.editor.undoAvailable.connect(self._undo_available)
        self.editor.redoAvailable.connect(self._redo_available)
        self.editor.textChanged.connect(self._data_changed)
        self.editor.copyAvailable.connect(self._copy_available)

    @dynamic_property
    def data(self):
        def fget(self):
            ans = unicode(self.editor.toPlainText())
            if self.syntax == 'html':
                ans = xml_replace_entities(ans)
            return ans.encode('utf-8')
        def fset(self, val):
            self.editor.load_text(val, syntax=self.syntax)
        return property(fget=fget, fset=fset)

    def get_raw_data(self):
        return unicode(self.editor.toPlainText())

    def replace_data(self, raw, only_if_different=True):
        if isinstance(raw, bytes):
            raw = raw.decode('utf-8')
        current = self.get_raw_data() if only_if_different else False
        if current != raw:
            self.editor.replace_text(raw)

    def set_focus(self):
        self.editor.setFocus(Qt.OtherFocusReason)

    def undo(self):
        self.editor.undo()

    def redo(self):
        self.editor.redo()

    @dynamic_property
    def is_modified(self):
        def fget(self):
            return self.editor.is_modified
        def fset(self, val):
            self.editor.is_modified = val
        return property(fget=fget, fset=fset)

    def create_toolbars(self):
        self.action_bar = b = self.addToolBar(_('File actions tool bar'))
        b.setObjectName('action_bar')  # Needed for saveState
        for x in ('save', 'undo', 'redo'):
            try:
                b.addAction(actions['editor-%s' % x])
            except KeyError:
                pass
        self.edit_bar = b = self.addToolBar(_('Edit actions tool bar'))
        for x in ('cut', 'copy', 'paste'):
            try:
                b.addAction(actions['editor-%s' % x])
            except KeyError:
                pass

    def break_cycles(self):
        self.modification_state_changed.disconnect()
        self.undo_redo_state_changed.disconnect()
        self.copy_available_state_changed.disconnect()
        self.data_changed.disconnect()
        self.editor.undoAvailable.disconnect()
        self.editor.redoAvailable.disconnect()
        self.editor.modificationChanged.disconnect()
        self.editor.textChanged.disconnect()
        self.editor.copyAvailable.disconnect()
        self.editor.setPlainText('')

    def _data_changed(self):
        self.data_changed.emit(self)

    def _undo_available(self, available):
        self.undo_available = available
        self.undo_redo_state_changed.emit(self.undo_available, self.redo_available)

    def _redo_available(self, available):
        self.redo_available = available
        self.undo_redo_state_changed.emit(self.undo_available, self.redo_available)

#.........这里部分代码省略.........

# 需要导入模块: from calibre.gui2.tweak_book.editor.text import TextEdit [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.text.TextEdit import paste [as 别名]

#.........这里部分代码省略.........
        self.undo_redo_state_changed.emit(self.undo_available, self.redo_available)

    def _redo_available(self, available):
        self.redo_available = available
        self.undo_redo_state_changed.emit(self.undo_available, self.redo_available)

    def _copy_available(self, available):
        self.copy_available = self.cut_available = available
        self.copy_available_state_changed.emit(available)

    def _cursor_position_changed(self, *args):
        self.cursor_position_changed.emit()

    @property
    def cursor_position(self):
        c = self.editor.textCursor()
        char = ''
        col = c.positionInBlock()
        if not c.atStart():
            c.clearSelection()
            c.movePosition(c.PreviousCharacter, c.KeepAnchor)
            char = unicode(c.selectedText()).rstrip('\0')
        return (c.blockNumber() + 1, col, char)

    def cut(self):
        self.editor.cut()

    def copy(self):
        self.editor.copy()

    def go_to_line(self, line, col=None):
        self.editor.go_to_line(line, col=col)

    def paste(self):
        if not self.editor.canPaste():
            return error_dialog(self, _('No text'), _(
                'There is no suitable text in the clipboard to paste.'), show=True)
        self.editor.paste()

    def contextMenuEvent(self, ev):
        ev.ignore()

    def fix_html(self):
        if self.syntax == 'html':
            from calibre.ebooks.oeb.polish.pretty import fix_html
            self.editor.replace_text(fix_html(current_container(), unicode(self.editor.toPlainText())).decode('utf-8'))
            return True
        return False

    def pretty_print(self, name):
        from calibre.ebooks.oeb.polish.pretty import pretty_html, pretty_css, pretty_xml
        if self.syntax in {'css', 'html', 'xml'}:
            func = {'css':pretty_css, 'xml':pretty_xml}.get(self.syntax, pretty_html)
            original_text = unicode(self.editor.toPlainText())
            prettied_text = func(current_container(), name, original_text).decode('utf-8')
            if original_text != prettied_text:
                self.editor.replace_text(prettied_text)
            return True
        return False

    def show_context_menu(self, pos):
        m = QMenu(self)
        a = m.addAction
        c = self.editor.cursorForPosition(pos)
        origc = QTextCursor(c)
        current_cursor = self.editor.textCursor()

# 需要导入模块: from calibre.gui2.tweak_book.editor.text import TextEdit [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.text.TextEdit import paste [as 别名]

#.........这里部分代码省略.........
        self.editor.mark_selected_text()

    def find(self, *args, **kwargs):
        return self.editor.find(*args, **kwargs)

    def replace(self, *args, **kwargs):
        return self.editor.replace(*args, **kwargs)

    def all_in_marked(self, *args, **kwargs):
        return self.editor.all_in_marked(*args, **kwargs)

    def go_to_anchor(self, *args, **kwargs):
        return self.editor.go_to_anchor(*args, **kwargs)
    # }}}

    @property
    def has_marked_text(self):
        return self.editor.current_search_mark is not None

    @dynamic_property
    def is_modified(self):
        def fget(self):
            return self.editor.is_modified
        def fset(self, val):
            self.editor.is_modified = val
        return property(fget=fget, fset=fset)

    def create_toolbars(self):
        self.action_bar = b = self.addToolBar(_('File actions tool bar'))
        b.setObjectName('action_bar')  # Needed for saveState
        for x in ('undo', 'redo'):
            b.addAction(actions['editor-%s' % x])
        self.edit_bar = b = self.addToolBar(_('Edit actions tool bar'))
        for x in ('cut', 'copy', 'paste'):
            b.addAction(actions['editor-%s' % x])
        self.tools_bar = b = self.addToolBar(_('Editor tools'))
        if self.syntax == 'html':
            b.addAction(actions['fix-html-current'])
        if self.syntax in {'xml', 'html', 'css'}:
            b.addAction(actions['pretty-current'])

    def break_cycles(self):
        self.modification_state_changed.disconnect()
        self.undo_redo_state_changed.disconnect()
        self.copy_available_state_changed.disconnect()
        self.cursor_position_changed.disconnect()
        self.data_changed.disconnect()
        self.editor.undoAvailable.disconnect()
        self.editor.redoAvailable.disconnect()
        self.editor.modificationChanged.disconnect()
        self.editor.textChanged.disconnect()
        self.editor.copyAvailable.disconnect()
        self.editor.cursorPositionChanged.disconnect()
        self.editor.setPlainText('')

    def _modification_state_changed(self):
        self.is_synced_to_container = self.is_modified
        self.modification_state_changed.emit(self.is_modified)

    def _data_changed(self):
        self.is_synced_to_container = False
        self.data_changed.emit(self)

    def _undo_available(self, available):
        self.undo_available = available
        self.undo_redo_state_changed.emit(self.undo_available, self.redo_available)

# 需要导入模块: from calibre.gui2.tweak_book.editor.text import TextEdit [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.text.TextEdit import paste [as 别名]

#.........这里部分代码省略.........
        self.editor.mark_selected_text()

    def find(self, *args, **kwargs):
        return self.editor.find(*args, **kwargs)

    def replace(self, *args, **kwargs):
        return self.editor.replace(*args, **kwargs)

    def all_in_marked(self, *args, **kwargs):
        return self.editor.all_in_marked(*args, **kwargs)

    def go_to_anchor(self, *args, **kwargs):
        return self.editor.go_to_anchor(*args, **kwargs)
    # }}}

    @property
    def has_marked_text(self):
        return self.editor.current_search_mark is not None

    @dynamic_property
    def is_modified(self):
        def fget(self):
            return self.editor.is_modified
        def fset(self, val):
            self.editor.is_modified = val
        return property(fget=fget, fset=fset)

    def create_toolbars(self):
        self.action_bar = b = self.addToolBar(_('File actions tool bar'))
        b.setObjectName('action_bar')  # Needed for saveState
        for x in ('undo', 'redo'):
            b.addAction(actions['editor-%s' % x])
        self.edit_bar = b = self.addToolBar(_('Edit actions tool bar'))
        for x in ('cut', 'copy', 'paste'):
            b.addAction(actions['editor-%s' % x])
        self.tools_bar = b = self.addToolBar(_('Editor tools'))
        if self.syntax == 'html':
            b.addAction(actions['fix-html-current'])
        if self.syntax in {'xml', 'html', 'css'}:
            b.addAction(actions['pretty-current'])
        if self.syntax in {'html', 'css'}:
            b.addAction(actions['insert-image'])
        if self.syntax == 'html':
            self.format_bar = b = self.addToolBar(_('Format text'))
            for x in ('bold', 'italic', 'underline', 'strikethrough', 'subscript', 'superscript', 'color', 'background-color'):
                b.addAction(actions['format-text-%s' % x])
            ac = b.addAction(QIcon(I('format-text-heading.png')), _('Change paragraph to heading'))
            m = QMenu()
            ac.setMenu(m)
            b.widgetForAction(ac).setPopupMode(QToolButton.InstantPopup)
            for name in tuple('h%d' % d for d in range(1, 7)) + ('p',):
                m.addAction(actions['rename-block-tag-%s' % name])

    def break_cycles(self):
        self.modification_state_changed.disconnect()
        self.undo_redo_state_changed.disconnect()
        self.copy_available_state_changed.disconnect()
        self.cursor_position_changed.disconnect()
        self.data_changed.disconnect()
        self.editor.undoAvailable.disconnect()
        self.editor.redoAvailable.disconnect()
        self.editor.modificationChanged.disconnect()
        self.editor.textChanged.disconnect()
        self.editor.copyAvailable.disconnect()
        self.editor.cursorPositionChanged.disconnect()
        self.editor.setPlainText('')

# 需要导入模块: from calibre.gui2.tweak_book.editor.text import TextEdit [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.text.TextEdit import paste [as 别名]

#.........这里部分代码省略.........
        return self.editor.find(*args, **kwargs)

    def find_spell_word(self, *args, **kwargs):
        return self.editor.find_spell_word(*args, **kwargs)

    def replace(self, *args, **kwargs):
        return self.editor.replace(*args, **kwargs)

    def all_in_marked(self, *args, **kwargs):
        return self.editor.all_in_marked(*args, **kwargs)

    def go_to_anchor(self, *args, **kwargs):
        return self.editor.go_to_anchor(*args, **kwargs)
    # }}}

    @property
    def has_marked_text(self):
        return self.editor.current_search_mark is not None

    @dynamic_property
    def is_modified(self):
        def fget(self):
            return self.editor.is_modified
        def fset(self, val):
            self.editor.is_modified = val
        return property(fget=fget, fset=fset)

    def create_toolbars(self):
        self.action_bar = b = self.addToolBar(_('File actions tool bar'))
        b.setObjectName('action_bar')  # Needed for saveState
        for x in ('undo', 'redo'):
            b.addAction(actions['editor-%s' % x])
        self.edit_bar = b = self.addToolBar(_('Edit actions tool bar'))
        for x in ('cut', 'copy', 'paste'):
            b.addAction(actions['editor-%s' % x])
        self.tools_bar = b = self.addToolBar(_('Editor tools'))
        b.setObjectName('tools_bar')
        if self.syntax == 'html':
            self.format_bar = b = self.addToolBar(_('Format text'))
            b.setObjectName('html_format_bar')
        self.insert_tag_menu = QMenu(self)
        self.populate_toolbars()

    def populate_toolbars(self):
        self.tools_bar.clear()
        def add_action(name, bar):
            try:
                ac = actions[name]
            except KeyError:
                if DEBUG:
                    prints('Unknown editor tool: %r' % name)
                return
            bar.addAction(ac)
            if name == 'insert-tag':
                w = bar.widgetForAction(ac)
                w.setPopupMode(QToolButton.MenuButtonPopup)
                w.setMenu(self.insert_tag_menu)
                w.setContextMenuPolicy(Qt.CustomContextMenu)
                w.customContextMenuRequested.connect(w.showMenu)
                self._build_insert_tag_button_menu()
            elif name == 'change-paragraph':
                m = ac.m = QMenu()
                ac.setMenu(m)
                bar.widgetForAction(ac).setPopupMode(QToolButton.InstantPopup)
                for name in tuple('h%d' % d for d in range(1, 7)) + ('p',):
                    m.addAction(actions['rename-block-tag-%s' % name])