Python NullSmarts.insert_hyperlink方法代码示例

# 需要导入模块: from calibre.gui2.tweak_book.editor.smarts import NullSmarts [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.smarts.NullSmarts import insert_hyperlink [as 别名]

#.........这里部分代码省略.........
        c.setPosition(left)
        c.setPosition(right, c.KeepAnchor)
        prev_text = unicode(c.selectedText()).rstrip('\0')
        c.insertText(prefix + prev_text + suffix)
        if prev_text:
            right = c.position()
            c.setPosition(left)
            c.setPosition(right, c.KeepAnchor)
        else:
            c.setPosition(c.position() - len(suffix))
        self.setTextCursor(c)

    def insert_image(self, href):
        c = self.textCursor()
        template, alt = 'url(%s)', ''
        left = min(c.position(), c.anchor)
        if self.syntax == 'html':
            left, right = self.get_range_inside_tag()
            c.setPosition(left)
            c.setPosition(right, c.KeepAnchor)
            alt = _('Image')
            template = '<img alt="{0}" src="%s" />'.format(alt)
            href = prepare_string_for_xml(href, True)
        text = template % href
        c.insertText(text)
        if self.syntax == 'html':
            c.setPosition(left + 10)
            c.setPosition(c.position() + len(alt), c.KeepAnchor)
        else:
            c.setPosition(left)
            c.setPosition(left + len(text), c.KeepAnchor)
        self.setTextCursor(c)

    def insert_hyperlink(self, target, text):
        if hasattr(self.smarts, 'insert_hyperlink'):
            self.smarts.insert_hyperlink(self, target, text)

    def insert_tag(self, tag):
        if hasattr(self.smarts, 'insert_tag'):
            self.smarts.insert_tag(self, tag)

    def keyPressEvent(self, ev):
        if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
            if self.replace_possible_unicode_sequence():
                ev.accept()
                return
        if ev.key() == Qt.Key_Insert:
            self.setOverwriteMode(self.overwriteMode() ^ True)
            ev.accept()
            return
        if isosx and QT_VERSION < 0x504000 and ev.modifiers() == Qt.ControlModifier and re.search(r'[a-zA-Z0-9]+', ev.text()) is not None:
            # For some reason Qt 5 translates Cmd+key into text on OS X
            # https://bugreports.qt-project.org/browse/QTBUG-36281
            ev.setAccepted(False)
            return
        if self.smarts.handle_key_press(ev, self):
            return
        QPlainTextEdit.keyPressEvent(self, ev)

    def replace_possible_unicode_sequence(self):
        c = self.textCursor()
        has_selection = c.hasSelection()
        if has_selection:
            text = unicode(c.selectedText()).rstrip('\0')
        else:
            c.setPosition(c.position() - min(c.positionInBlock(), 6), c.KeepAnchor)

# 需要导入模块: from calibre.gui2.tweak_book.editor.smarts import NullSmarts [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.smarts.NullSmarts import insert_hyperlink [as 别名]

#.........这里部分代码省略.........
        self.setTextCursor(c)

    def insert_image(self, href, fullpage=False, preserve_aspect_ratio=False):
        c = self.textCursor()
        template, alt = "url(%s)", ""
        left = min(c.position(), c.anchor)
        if self.syntax == "html":
            left, right = self.get_range_inside_tag()
            c.setPosition(left)
            c.setPosition(right, c.KeepAnchor)
            href = prepare_string_for_xml(href, True)
            if fullpage:
                template = """\
<div style="page-break-before:always; page-break-after:always; page-break-inside:avoid">\
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" \
version="1.1" width="100%%" height="100%%" viewBox="0 0 1200 1600" preserveAspectRatio="{}">\
<image width="1200" height="1600" xlink:href="%s"/>\
</svg></div>""".format(
                    "xMidYMid meet" if preserve_aspect_ratio else "none"
                )
            else:
                alt = _("Image")
                template = '<img alt="{0}" src="%s" />'.format(alt)
        text = template % href
        c.insertText(text)
        if self.syntax == "html" and not fullpage:
            c.setPosition(left + 10)
            c.setPosition(c.position() + len(alt), c.KeepAnchor)
        else:
            c.setPosition(left)
            c.setPosition(left + len(text), c.KeepAnchor)
        self.setTextCursor(c)

    def insert_hyperlink(self, target, text):
        if hasattr(self.smarts, "insert_hyperlink"):
            self.smarts.insert_hyperlink(self, target, text)

    def insert_tag(self, tag):
        if hasattr(self.smarts, "insert_tag"):
            self.smarts.insert_tag(self, tag)

    def keyPressEvent(self, ev):
        if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
            if self.replace_possible_unicode_sequence():
                ev.accept()
                return
        if ev.key() == Qt.Key_Insert:
            self.setOverwriteMode(self.overwriteMode() ^ True)
            ev.accept()
            return
        if self.snippet_manager.handle_key_press(ev):
            self.completion_popup.hide()
            return
        if self.smarts.handle_key_press(ev, self):
            self.handle_keypress_completion(ev)
            return
        QPlainTextEdit.keyPressEvent(self, ev)
        self.handle_keypress_completion(ev)

    def handle_keypress_completion(self, ev):
        if self.request_completion is None:
            return
        code = ev.key()
        if code in (
            0,
            Qt.Key_unknown,

# 需要导入模块: from calibre.gui2.tweak_book.editor.smarts import NullSmarts [as 别名]
# 或者: from calibre.gui2.tweak_book.editor.smarts.NullSmarts import insert_hyperlink [as 别名]
class TextEdit(PlainTextEdit):

    link_clicked = pyqtSignal(object)
    smart_highlighting_updated = pyqtSignal()

    def __init__(self, parent=None, expected_geometry=(100, 50)):
        PlainTextEdit.__init__(self, parent)
        self.snippet_manager = SnippetManager(self)
        self.completion_popup = CompletionPopup(self)
        self.request_completion = self.completion_doc_name = None
        self.clear_completion_cache_timer = t = QTimer(self)
        t.setInterval(5000), t.timeout.connect(self.clear_completion_cache), t.setSingleShot(True)
        self.textChanged.connect(t.start)
        self.last_completion_request = -1
        self.gutter_width = 0
        self.tw = 2
        self.expected_geometry = expected_geometry
        self.saved_matches = {}
        self.syntax = None
        self.smarts = NullSmarts(self)
        self.current_cursor_line = None
        self.current_search_mark = None
        self.smarts_highlight_timer = t = QTimer()
        t.setInterval(750), t.setSingleShot(True), t.timeout.connect(self.update_extra_selections)
        self.highlighter = SyntaxHighlighter()
        self.line_number_area = LineNumbers(self)
        self.apply_settings()
        self.setMouseTracking(True)
        self.cursorPositionChanged.connect(self.highlight_cursor_line)
        self.blockCountChanged[int].connect(self.update_line_number_area_width)
        self.updateRequest.connect(self.update_line_number_area)

    def get_droppable_files(self, md):

        def is_mt_ok(mt):
            return self.syntax == 'html' and (
                mt in OEB_DOCS or mt in OEB_STYLES or mt.startswith('image/')
            )

        if md.hasFormat(CONTAINER_DND_MIMETYPE):
            for line in as_unicode(bytes(md.data(CONTAINER_DND_MIMETYPE))).splitlines():
                mt = current_container().mime_map.get(line, 'application/octet-stream')
                if is_mt_ok(mt):
                    yield line, mt, True
            return
        for qurl in md.urls():
            if qurl.isLocalFile() and os.access(qurl.toLocalFile(), os.R_OK):
                path = qurl.toLocalFile()
                mt = guess_type(path)
                if is_mt_ok(mt):
                    yield path, mt, False

    def canInsertFromMimeData(self, md):
        if md.hasText() or (md.hasHtml() and self.syntax == 'html') or md.hasImage():
            return True
        elif tuple(self.get_droppable_files(md)):
            return True
        return False

    def insertFromMimeData(self, md):
        files = tuple(self.get_droppable_files(md))
        base = self.highlighter.doc_name or None

        def get_name(name):
            folder = get_recommended_folders(current_container(), (name,))[name] or ''
            if folder:
                folder += '/'
            return folder + name

        def get_href(name):
            return current_container().name_to_href(name, base)

        def insert_text(text):
            c = self.textCursor()
            c.insertText(text)
            self.setTextCursor(c)
            self.ensureCursorVisible()

        def add_file(name, data, mt=None):
            from calibre.gui2.tweak_book.boss import get_boss
            name = current_container().add_file(name, data, media_type=mt, modify_name_if_needed=True)
            get_boss().refresh_file_list()
            return name

        if files:
            for path, mt, is_name in files:
                if is_name:
                    name = path
                else:
                    name = get_name(os.path.basename(path))
                    with lopen(path, 'rb') as f:
                        name = add_file(name, f.read(), mt)
                href = get_href(name)
                if mt.startswith('image/'):
                    self.insert_image(href)
                elif mt in OEB_STYLES:
                    insert_text('<link href="{}" rel="stylesheet" type="text/css"/>'.format(href))
                elif mt in OEB_DOCS:
                    self.insert_hyperlink(href, name)
            self.ensureCursorVisible()
#.........这里部分代码省略.........