Current File : //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))
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