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Direktori : /usr/lib/python3/dist-packages/orca/scripts/web/ |
Current File : //usr/lib/python3/dist-packages/orca/scripts/web/bookmarks.py |
# Orca # # Copyright 2005-2008 Sun Microsystems Inc. # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the # Free Software Foundation, Inc., Franklin Street, Fifth Floor, # Boston MA 02110-1301 USA. __id__ = "$Id$" __version__ = "$Revision$" __date__ = "$Date$" __copyright__ = "Copyright (c) 2005-2008 Sun Microsystems Inc." __license__ = "LGPL" from orca import bookmarks from orca import messages class Bookmarks(bookmarks.Bookmarks): def __init__(self, script): super().__init__(script) self._currentbookmarkindex = {} def addBookmark(self, script, inputEvent): """Add an in-page accessible object bookmark for this key and URI.""" index = (inputEvent.hw_code, self.getURIKey()) obj, characterOffset = self._script.utilities.getCaretContext() path = self._objToPath() self._bookmarks[index] = path, characterOffset self._script.presentMessage(messages.BOOKMARK_ENTERED) def goToBookmark(self, script, inputEvent, index=None): """Go to the bookmark indexed at this key and this page's URI.""" index = index or (inputEvent.hw_code, self.getURIKey()) try: path, offset = self._bookmarks[index] except KeyError: self._script.systemBeep() return obj = self.pathToObj(path) if not obj: self._script.systemBeep() return self._script.utilities.setCaretPosition(obj, offset) contents = self._script.utilities.getObjectContentsAtOffset(obj, offset) self._script.speakContents(contents) self._script.displayContents(contents) self._currentbookmarkindex[index[1]] = index[0] def saveBookmarks(self, script, inputEvent): """Save the bookmarks for this script.""" saved = {} for index, bookmark in self._bookmarks.items(): saved[index] = bookmark[0], bookmark[1] try: self.saveBookmarksToDisk(saved) self._script.presentMessage(messages.BOOKMARKS_SAVED) except IOError: self._script.presentMessage(messages.BOOKMARKS_SAVED_FAILURE) for o in self._saveObservers: o() def goToNextBookmark(self, script, inputEvent): """Go to the next bookmark location.""" # The convenience of using a dictionary to add/goto a bookmark is offset # by the difficulty in finding the next bookmark. We will need to sort # our keys to determine the next bookmark on a page-by-page basis. bm_keys = list(self._bookmarks.keys()) current_uri = self.getURIKey() # mine out the hardware keys for this page and sort them thispage_hwkeys = [] for bm_key in bm_keys: if bm_key[1] == current_uri: thispage_hwkeys.append(bm_key[0]) thispage_hwkeys.sort() if len(thispage_hwkeys) == 0: self._script.systemBeep() return if len(thispage_hwkeys) == 1 or current_uri not in self._currentbookmarkindex: self.goToBookmark(None, index=(thispage_hwkeys[0], current_uri)) return try: index = thispage_hwkeys.index(self._currentbookmarkindex[current_uri]) self.goToBookmark(None, index=(thispage_hwkeys[index+1], current_uri)) except (ValueError, KeyError, IndexError): self.goToBookmark(None, index=(thispage_hwkeys[0], current_uri)) def goToPrevBookmark(self, script, inputEvent): """Go to the previous bookmark location.""" bm_keys = list(self._bookmarks.keys()) current_uri = self.getURIKey() # mine out the hardware keys for this page and sort them thispage_hwkeys = [] for bm_key in bm_keys: if bm_key[1] == current_uri: thispage_hwkeys.append(bm_key[0]) thispage_hwkeys.sort() if len(thispage_hwkeys) == 0: self._script.systemBeep() return if len(thispage_hwkeys) == 1 or current_uri not in self._currentbookmarkindex: self.goToBookmark(None, index=(thispage_hwkeys[0], current_uri)) return try: index = thispage_hwkeys.index(self._currentbookmarkindex[current_uri]) self.goToBookmark(None, index=(thispage_hwkeys[index-1], current_uri)) except (ValueError, KeyError, IndexError): self.goToBookmark(None, index=(thispage_hwkeys[0], current_uri))