Mercurial Repositories > eric / file comparison
comparison: eric6/WebBrowser/Bookmarks/BookmarksManager.py
eric6/WebBrowser/Bookmarks/BookmarksManager.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the bookmarks manager. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 import os | |
| 13 | |
| 14 from PyQt5.QtCore import pyqtSignal, QT_TRANSLATE_NOOP, QObject, QFile, \ | |
| 15 QIODevice, QXmlStreamReader, QDateTime, QFileInfo, QUrl, \ | |
| 16 QCoreApplication | |
| 17 from PyQt5.QtWidgets import QUndoStack, QUndoCommand, QDialog | |
| 18 | |
| 19 from E5Gui import E5MessageBox, E5FileDialog | |
| 20 | |
| 21 from .BookmarkNode import BookmarkNode | |
| 22 | |
| 23 from Utilities.AutoSaver import AutoSaver | |
| 24 import Utilities | |
| 25 | |
| 26 BOOKMARKBAR = QT_TRANSLATE_NOOP("BookmarksManager", "Bookmarks Bar") | |
| 27 BOOKMARKMENU = QT_TRANSLATE_NOOP("BookmarksManager", "Bookmarks Menu") | |
| 28 | |
| 29 StartRoot = 0 | |
| 30 StartMenu = 1 | |
| 31 StartToolBar = 2 | |
| 32 | |
| 33 | |
| 34 class BookmarksManager(QObject): | |
| 35 """ | |
| 36 Class implementing the bookmarks manager. | |
| 37 | |
| 38 @signal entryAdded(BookmarkNode) emitted after a bookmark node has been | |
| 39 added | |
| 40 @signal entryRemoved(BookmarkNode, int, BookmarkNode) emitted after a | |
| 41 bookmark node has been removed | |
| 42 @signal entryChanged(BookmarkNode) emitted after a bookmark node has been | |
| 43 changed | |
| 44 @signal bookmarksSaved() emitted after the bookmarks were saved | |
| 45 @signal bookmarksReloaded() emitted after the bookmarks were reloaded | |
| 46 """ | |
| 47 entryAdded = pyqtSignal(BookmarkNode) | |
| 48 entryRemoved = pyqtSignal(BookmarkNode, int, BookmarkNode) | |
| 49 entryChanged = pyqtSignal(BookmarkNode) | |
| 50 bookmarksSaved = pyqtSignal() | |
| 51 bookmarksReloaded = pyqtSignal() | |
| 52 | |
| 53 def __init__(self, parent=None): | |
| 54 """ | |
| 55 Constructor | |
| 56 | |
| 57 @param parent reference to the parent object (QObject) | |
| 58 """ | |
| 59 super(BookmarksManager, self).__init__(parent) | |
| 60 | |
| 61 self.__saveTimer = AutoSaver(self, self.save) | |
| 62 self.entryAdded.connect(self.__saveTimer.changeOccurred) | |
| 63 self.entryRemoved.connect(self.__saveTimer.changeOccurred) | |
| 64 self.entryChanged.connect(self.__saveTimer.changeOccurred) | |
| 65 | |
| 66 self.__initialize() | |
| 67 | |
| 68 def __initialize(self): | |
| 69 """ | |
| 70 Private method to initialize some data. | |
| 71 """ | |
| 72 self.__loaded = False | |
| 73 self.__bookmarkRootNode = None | |
| 74 self.__toolbar = None | |
| 75 self.__menu = None | |
| 76 self.__bookmarksModel = None | |
| 77 self.__commands = QUndoStack() | |
| 78 | |
| 79 @classmethod | |
| 80 def getFileName(cls): | |
| 81 """ | |
| 82 Class method to get the file name of the bookmark file. | |
| 83 | |
| 84 @return name of the bookmark file (string) | |
| 85 """ | |
| 86 return os.path.join(Utilities.getConfigDir(), "web_browser", | |
| 87 "bookmarks.xbel") | |
| 88 | |
| 89 def close(self): | |
| 90 """ | |
| 91 Public method to close the bookmark manager. | |
| 92 """ | |
| 93 self.__saveTimer.saveIfNeccessary() | |
| 94 | |
| 95 def undoRedoStack(self): | |
| 96 """ | |
| 97 Public method to get a reference to the undo stack. | |
| 98 | |
| 99 @return reference to the undo stack (QUndoStack) | |
| 100 """ | |
| 101 return self.__commands | |
| 102 | |
| 103 def changeExpanded(self): | |
| 104 """ | |
| 105 Public method to handle a change of the expanded state. | |
| 106 """ | |
| 107 self.__saveTimer.changeOccurred() | |
| 108 | |
| 109 def reload(self): | |
| 110 """ | |
| 111 Public method used to initiate a reloading of the bookmarks. | |
| 112 """ | |
| 113 self.__initialize() | |
| 114 self.load() | |
| 115 self.bookmarksReloaded.emit() | |
| 116 | |
| 117 def load(self): | |
| 118 """ | |
| 119 Public method to load the bookmarks. | |
| 120 | |
| 121 @exception RuntimeError raised to indicate an error loading the | |
| 122 bookmarks | |
| 123 """ | |
| 124 if self.__loaded: | |
| 125 return | |
| 126 | |
| 127 self.__loaded = True | |
| 128 | |
| 129 bookmarkFile = self.getFileName() | |
| 130 if not QFile.exists(bookmarkFile): | |
| 131 from . import DefaultBookmarks_rc # __IGNORE_WARNING__ | |
| 132 bookmarkFile = QFile(":/DefaultBookmarks.xbel") | |
| 133 bookmarkFile.open(QIODevice.ReadOnly) | |
| 134 | |
| 135 from .XbelReader import XbelReader | |
| 136 reader = XbelReader() | |
| 137 self.__bookmarkRootNode = reader.read(bookmarkFile) | |
| 138 if reader.error() != QXmlStreamReader.NoError: | |
| 139 E5MessageBox.warning( | |
| 140 None, | |
| 141 self.tr("Loading Bookmarks"), | |
| 142 self.tr( | |
| 143 """Error when loading bookmarks on line {0},""" | |
| 144 """ column {1}:\n {2}""") | |
| 145 .format(reader.lineNumber(), | |
| 146 reader.columnNumber(), | |
| 147 reader.errorString())) | |
| 148 | |
| 149 others = [] | |
| 150 for index in range( | |
| 151 len(self.__bookmarkRootNode.children()) - 1, -1, -1): | |
| 152 node = self.__bookmarkRootNode.children()[index] | |
| 153 if node.type() == BookmarkNode.Folder: | |
| 154 if (node.title == self.tr("Toolbar Bookmarks") or | |
| 155 node.title == BOOKMARKBAR) and \ | |
| 156 self.__toolbar is None: | |
| 157 node.title = self.tr(BOOKMARKBAR) | |
| 158 self.__toolbar = node | |
| 159 | |
| 160 if (node.title == self.tr("Menu") or | |
| 161 node.title == BOOKMARKMENU) and \ | |
| 162 self.__menu is None: | |
| 163 node.title = self.tr(BOOKMARKMENU) | |
| 164 self.__menu = node | |
| 165 else: | |
| 166 others.append(node) | |
| 167 self.__bookmarkRootNode.remove(node) | |
| 168 | |
| 169 if len(self.__bookmarkRootNode.children()) > 0: | |
| 170 raise RuntimeError("Error loading bookmarks.") | |
| 171 | |
| 172 if self.__toolbar is None: | |
| 173 self.__toolbar = BookmarkNode(BookmarkNode.Folder, | |
| 174 self.__bookmarkRootNode) | |
| 175 self.__toolbar.title = self.tr(BOOKMARKBAR) | |
| 176 else: | |
| 177 self.__bookmarkRootNode.add(self.__toolbar) | |
| 178 | |
| 179 if self.__menu is None: | |
| 180 self.__menu = BookmarkNode(BookmarkNode.Folder, | |
| 181 self.__bookmarkRootNode) | |
| 182 self.__menu.title = self.tr(BOOKMARKMENU) | |
| 183 else: | |
| 184 self.__bookmarkRootNode.add(self.__menu) | |
| 185 | |
| 186 for node in others: | |
| 187 self.__menu.add(node) | |
| 188 | |
| 189 def save(self): | |
| 190 """ | |
| 191 Public method to save the bookmarks. | |
| 192 """ | |
| 193 if not self.__loaded: | |
| 194 return | |
| 195 | |
| 196 from .XbelWriter import XbelWriter | |
| 197 writer = XbelWriter() | |
| 198 bookmarkFile = self.getFileName() | |
| 199 | |
| 200 # save root folder titles in English (i.e. not localized) | |
| 201 self.__menu.title = BOOKMARKMENU | |
| 202 self.__toolbar.title = BOOKMARKBAR | |
| 203 if not writer.write(bookmarkFile, self.__bookmarkRootNode): | |
| 204 E5MessageBox.warning( | |
| 205 None, | |
| 206 self.tr("Saving Bookmarks"), | |
| 207 self.tr("""Error saving bookmarks to <b>{0}</b>.""") | |
| 208 .format(bookmarkFile)) | |
| 209 | |
| 210 # restore localized titles | |
| 211 self.__menu.title = self.tr(BOOKMARKMENU) | |
| 212 self.__toolbar.title = self.tr(BOOKMARKBAR) | |
| 213 | |
| 214 self.bookmarksSaved.emit() | |
| 215 | |
| 216 def addBookmark(self, parent, node, row=-1): | |
| 217 """ | |
| 218 Public method to add a bookmark. | |
| 219 | |
| 220 @param parent reference to the node to add to (BookmarkNode) | |
| 221 @param node reference to the node to add (BookmarkNode) | |
| 222 @param row row number (integer) | |
| 223 """ | |
| 224 if not self.__loaded: | |
| 225 return | |
| 226 | |
| 227 self.setTimestamp(node, BookmarkNode.TsAdded, | |
| 228 QDateTime.currentDateTime()) | |
| 229 | |
| 230 command = InsertBookmarksCommand(self, parent, node, row) | |
| 231 self.__commands.push(command) | |
| 232 | |
| 233 def removeBookmark(self, node): | |
| 234 """ | |
| 235 Public method to remove a bookmark. | |
| 236 | |
| 237 @param node reference to the node to be removed (BookmarkNode) | |
| 238 """ | |
| 239 if not self.__loaded: | |
| 240 return | |
| 241 | |
| 242 parent = node.parent() | |
| 243 row = parent.children().index(node) | |
| 244 command = RemoveBookmarksCommand(self, parent, row) | |
| 245 self.__commands.push(command) | |
| 246 | |
| 247 def setTitle(self, node, newTitle): | |
| 248 """ | |
| 249 Public method to set the title of a bookmark. | |
| 250 | |
| 251 @param node reference to the node to be changed (BookmarkNode) | |
| 252 @param newTitle title to be set (string) | |
| 253 """ | |
| 254 if not self.__loaded: | |
| 255 return | |
| 256 | |
| 257 command = ChangeBookmarkCommand(self, node, newTitle, True) | |
| 258 self.__commands.push(command) | |
| 259 | |
| 260 def setUrl(self, node, newUrl): | |
| 261 """ | |
| 262 Public method to set the URL of a bookmark. | |
| 263 | |
| 264 @param node reference to the node to be changed (BookmarkNode) | |
| 265 @param newUrl URL to be set (string) | |
| 266 """ | |
| 267 if not self.__loaded: | |
| 268 return | |
| 269 | |
| 270 command = ChangeBookmarkCommand(self, node, newUrl, False) | |
| 271 self.__commands.push(command) | |
| 272 | |
| 273 def setNodeChanged(self, node): | |
| 274 """ | |
| 275 Public method to signal changes of bookmarks other than title, URL | |
| 276 or timestamp. | |
| 277 | |
| 278 @param node reference to the bookmark (BookmarkNode) | |
| 279 """ | |
| 280 self.__saveTimer.changeOccurred() | |
| 281 | |
| 282 def setTimestamp(self, node, timestampType, timestamp): | |
| 283 """ | |
| 284 Public method to set the URL of a bookmark. | |
| 285 | |
| 286 @param node reference to the node to be changed (BookmarkNode) | |
| 287 @param timestampType type of the timestamp to set | |
| 288 (BookmarkNode.TsAdded, BookmarkNode.TsModified, | |
| 289 BookmarkNode.TsVisited) | |
| 290 @param timestamp timestamp to set (QDateTime) | |
| 291 """ | |
| 292 if not self.__loaded: | |
| 293 return | |
| 294 | |
| 295 assert timestampType in [BookmarkNode.TsAdded, | |
| 296 BookmarkNode.TsModified, | |
| 297 BookmarkNode.TsVisited] | |
| 298 | |
| 299 if timestampType == BookmarkNode.TsAdded: | |
| 300 node.added = timestamp | |
| 301 elif timestampType == BookmarkNode.TsModified: | |
| 302 node.modified = timestamp | |
| 303 elif timestampType == BookmarkNode.TsVisited: | |
| 304 node.visited = timestamp | |
| 305 self.__saveTimer.changeOccurred() | |
| 306 | |
| 307 def incVisitCount(self, node): | |
| 308 """ | |
| 309 Public method to increment the visit count of a bookmark. | |
| 310 | |
| 311 @param node reference to the node to be changed (BookmarkNode) | |
| 312 """ | |
| 313 if not self.__loaded: | |
| 314 return | |
| 315 | |
| 316 if node: | |
| 317 node.visitCount += 1 | |
| 318 self.__saveTimer.changeOccurred() | |
| 319 | |
| 320 def setVisitCount(self, node, count): | |
| 321 """ | |
| 322 Public method to set the visit count of a bookmark. | |
| 323 | |
| 324 @param node reference to the node to be changed (BookmarkNode) | |
| 325 @param count visit count to be set (int or str) | |
| 326 """ | |
| 327 try: | |
| 328 node.visitCount = int(count) | |
| 329 self.__saveTimer.changeOccurred() | |
| 330 except ValueError: | |
| 331 # ignore invalid values | |
| 332 pass | |
| 333 | |
| 334 def bookmarks(self): | |
| 335 """ | |
| 336 Public method to get a reference to the root bookmark node. | |
| 337 | |
| 338 @return reference to the root bookmark node (BookmarkNode) | |
| 339 """ | |
| 340 if not self.__loaded: | |
| 341 self.load() | |
| 342 | |
| 343 return self.__bookmarkRootNode | |
| 344 | |
| 345 def menu(self): | |
| 346 """ | |
| 347 Public method to get a reference to the bookmarks menu node. | |
| 348 | |
| 349 @return reference to the bookmarks menu node (BookmarkNode) | |
| 350 """ | |
| 351 if not self.__loaded: | |
| 352 self.load() | |
| 353 | |
| 354 return self.__menu | |
| 355 | |
| 356 def toolbar(self): | |
| 357 """ | |
| 358 Public method to get a reference to the bookmarks toolbar node. | |
| 359 | |
| 360 @return reference to the bookmarks toolbar node (BookmarkNode) | |
| 361 """ | |
| 362 if not self.__loaded: | |
| 363 self.load() | |
| 364 | |
| 365 return self.__toolbar | |
| 366 | |
| 367 def bookmarksModel(self): | |
| 368 """ | |
| 369 Public method to get a reference to the bookmarks model. | |
| 370 | |
| 371 @return reference to the bookmarks model (BookmarksModel) | |
| 372 """ | |
| 373 if self.__bookmarksModel is None: | |
| 374 from .BookmarksModel import BookmarksModel | |
| 375 self.__bookmarksModel = BookmarksModel(self, self) | |
| 376 return self.__bookmarksModel | |
| 377 | |
| 378 def importBookmarks(self): | |
| 379 """ | |
| 380 Public method to import bookmarks. | |
| 381 """ | |
| 382 from .BookmarksImportDialog import BookmarksImportDialog | |
| 383 dlg = BookmarksImportDialog() | |
| 384 if dlg.exec_() == QDialog.Accepted: | |
| 385 importRootNode = dlg.getImportedBookmarks() | |
| 386 if importRootNode is not None: | |
| 387 self.addBookmark(self.menu(), importRootNode) | |
| 388 | |
| 389 def exportBookmarks(self): | |
| 390 """ | |
| 391 Public method to export the bookmarks. | |
| 392 """ | |
| 393 fileName, selectedFilter = E5FileDialog.getSaveFileNameAndFilter( | |
| 394 None, | |
| 395 self.tr("Export Bookmarks"), | |
| 396 "eric6_bookmarks.xbel", | |
| 397 self.tr("XBEL bookmarks (*.xbel);;" | |
| 398 "XBEL bookmarks (*.xml);;" | |
| 399 "HTML Bookmarks (*.html)")) | |
| 400 if not fileName: | |
| 401 return | |
| 402 | |
| 403 ext = QFileInfo(fileName).suffix() | |
| 404 if not ext: | |
| 405 ex = selectedFilter.split("(*")[1].split(")")[0] | |
| 406 if ex: | |
| 407 fileName += ex | |
| 408 | |
| 409 ext = QFileInfo(fileName).suffix() | |
| 410 if ext == "html": | |
| 411 from .NsHtmlWriter import NsHtmlWriter | |
| 412 writer = NsHtmlWriter() | |
| 413 else: | |
| 414 from .XbelWriter import XbelWriter | |
| 415 writer = XbelWriter() | |
| 416 if not writer.write(fileName, self.__bookmarkRootNode): | |
| 417 E5MessageBox.critical( | |
| 418 None, | |
| 419 self.tr("Exporting Bookmarks"), | |
| 420 self.tr("""Error exporting bookmarks to <b>{0}</b>.""") | |
| 421 .format(fileName)) | |
| 422 | |
| 423 def faviconChanged(self, url): | |
| 424 """ | |
| 425 Public slot to update the icon image for an URL. | |
| 426 | |
| 427 @param url URL of the icon to update (QUrl or string) | |
| 428 """ | |
| 429 if isinstance(url, QUrl): | |
| 430 url = url.toString() | |
| 431 nodes = self.bookmarksForUrl(url) | |
| 432 for node in nodes: | |
| 433 self.bookmarksModel().entryChanged(node) | |
| 434 | |
| 435 def bookmarkForUrl(self, url, start=StartRoot): | |
| 436 """ | |
| 437 Public method to get a bookmark node for a given URL. | |
| 438 | |
| 439 @param url URL of the bookmark to search for (QUrl or string) | |
| 440 @keyparam start indicator for the start of the search | |
| 441 (StartRoot, StartMenu, StartToolBar) | |
| 442 @return bookmark node for the given url (BookmarkNode) | |
| 443 """ | |
| 444 if start == StartMenu: | |
| 445 startNode = self.__menu | |
| 446 elif start == StartToolBar: | |
| 447 startNode = self.__toolbar | |
| 448 else: | |
| 449 startNode = self.__bookmarkRootNode | |
| 450 if startNode is None: | |
| 451 return None | |
| 452 | |
| 453 if isinstance(url, QUrl): | |
| 454 url = url.toString() | |
| 455 | |
| 456 return self.__searchBookmark(url, startNode) | |
| 457 | |
| 458 def __searchBookmark(self, url, startNode): | |
| 459 """ | |
| 460 Private method get a bookmark node for a given URL. | |
| 461 | |
| 462 @param url URL of the bookmark to search for (string) | |
| 463 @param startNode reference to the node to start searching | |
| 464 (BookmarkNode) | |
| 465 @return bookmark node for the given url (BookmarkNode) | |
| 466 """ | |
| 467 bm = None | |
| 468 for node in startNode.children(): | |
| 469 if node.type() == BookmarkNode.Folder: | |
| 470 bm = self.__searchBookmark(url, node) | |
| 471 elif node.type() == BookmarkNode.Bookmark: | |
| 472 if node.url == url: | |
| 473 bm = node | |
| 474 if bm is not None: | |
| 475 return bm | |
| 476 return None | |
| 477 | |
| 478 def bookmarksForUrl(self, url, start=StartRoot): | |
| 479 """ | |
| 480 Public method to get a list of bookmark nodes for a given URL. | |
| 481 | |
| 482 @param url URL of the bookmarks to search for (QUrl or string) | |
| 483 @keyparam start indicator for the start of the search | |
| 484 (StartRoot, StartMenu, StartToolBar) | |
| 485 @return list of bookmark nodes for the given url (list of BookmarkNode) | |
| 486 """ | |
| 487 if start == StartMenu: | |
| 488 startNode = self.__menu | |
| 489 elif start == StartToolBar: | |
| 490 startNode = self.__toolbar | |
| 491 else: | |
| 492 startNode = self.__bookmarkRootNode | |
| 493 if startNode is None: | |
| 494 return [] | |
| 495 | |
| 496 if isinstance(url, QUrl): | |
| 497 url = url.toString() | |
| 498 | |
| 499 return self.__searchBookmarks(url, startNode) | |
| 500 | |
| 501 def __searchBookmarks(self, url, startNode): | |
| 502 """ | |
| 503 Private method get a list of bookmark nodes for a given URL. | |
| 504 | |
| 505 @param url URL of the bookmarks to search for (string) | |
| 506 @param startNode reference to the node to start searching | |
| 507 (BookmarkNode) | |
| 508 @return list of bookmark nodes for the given url (list of BookmarkNode) | |
| 509 """ | |
| 510 bm = [] | |
| 511 for node in startNode.children(): | |
| 512 if node.type() == BookmarkNode.Folder: | |
| 513 bm.extend(self.__searchBookmarks(url, node)) | |
| 514 elif node.type() == BookmarkNode.Bookmark: | |
| 515 if node.url == url: | |
| 516 bm.append(node) | |
| 517 return bm | |
| 518 | |
| 519 | |
| 520 class RemoveBookmarksCommand(QUndoCommand): | |
| 521 """ | |
| 522 Class implementing the Remove undo command. | |
| 523 """ | |
| 524 def __init__(self, bookmarksManager, parent, row): | |
| 525 """ | |
| 526 Constructor | |
| 527 | |
| 528 @param bookmarksManager reference to the bookmarks manager | |
| 529 (BookmarksManager) | |
| 530 @param parent reference to the parent node (BookmarkNode) | |
| 531 @param row row number of bookmark (integer) | |
| 532 """ | |
| 533 super(RemoveBookmarksCommand, self).__init__( | |
| 534 QCoreApplication.translate("BookmarksManager", "Remove Bookmark")) | |
| 535 | |
| 536 self._row = row | |
| 537 self._bookmarksManager = bookmarksManager | |
| 538 try: | |
| 539 self._node = parent.children()[row] | |
| 540 except IndexError: | |
| 541 self._node = BookmarkNode() | |
| 542 self._parent = parent | |
| 543 | |
| 544 def undo(self): | |
| 545 """ | |
| 546 Public slot to perform the undo action. | |
| 547 """ | |
| 548 self._parent.add(self._node, self._row) | |
| 549 self._bookmarksManager.entryAdded.emit(self._node) | |
| 550 | |
| 551 def redo(self): | |
| 552 """ | |
| 553 Public slot to perform the redo action. | |
| 554 """ | |
| 555 self._parent.remove(self._node) | |
| 556 self._bookmarksManager.entryRemoved.emit( | |
| 557 self._parent, self._row, self._node) | |
| 558 | |
| 559 | |
| 560 class InsertBookmarksCommand(RemoveBookmarksCommand): | |
| 561 """ | |
| 562 Class implementing the Insert undo command. | |
| 563 """ | |
| 564 def __init__(self, bookmarksManager, parent, node, row): | |
| 565 """ | |
| 566 Constructor | |
| 567 | |
| 568 @param bookmarksManager reference to the bookmarks manager | |
| 569 (BookmarksManager) | |
| 570 @param parent reference to the parent node (BookmarkNode) | |
| 571 @param node reference to the node to be inserted (BookmarkNode) | |
| 572 @param row row number of bookmark (integer) | |
| 573 """ | |
| 574 RemoveBookmarksCommand.__init__(self, bookmarksManager, parent, row) | |
| 575 self.setText(QCoreApplication.translate( | |
| 576 "BookmarksManager", "Insert Bookmark")) | |
| 577 self._node = node | |
| 578 | |
| 579 def undo(self): | |
| 580 """ | |
| 581 Public slot to perform the undo action. | |
| 582 """ | |
| 583 RemoveBookmarksCommand.redo(self) | |
| 584 | |
| 585 def redo(self): | |
| 586 """ | |
| 587 Public slot to perform the redo action. | |
| 588 """ | |
| 589 RemoveBookmarksCommand.undo(self) | |
| 590 | |
| 591 | |
| 592 class ChangeBookmarkCommand(QUndoCommand): | |
| 593 """ | |
| 594 Class implementing the Insert undo command. | |
| 595 """ | |
| 596 def __init__(self, bookmarksManager, node, newValue, title): | |
| 597 """ | |
| 598 Constructor | |
| 599 | |
| 600 @param bookmarksManager reference to the bookmarks manager | |
| 601 (BookmarksManager) | |
| 602 @param node reference to the node to be changed (BookmarkNode) | |
| 603 @param newValue new value to be set (string) | |
| 604 @param title flag indicating a change of the title (True) or | |
| 605 the URL (False) (boolean) | |
| 606 """ | |
| 607 super(ChangeBookmarkCommand, self).__init__() | |
| 608 | |
| 609 self._bookmarksManager = bookmarksManager | |
| 610 self._title = title | |
| 611 self._newValue = newValue | |
| 612 self._node = node | |
| 613 | |
| 614 if self._title: | |
| 615 self._oldValue = self._node.title | |
| 616 self.setText(QCoreApplication.translate( | |
| 617 "BookmarksManager", "Name Change")) | |
| 618 else: | |
| 619 self._oldValue = self._node.url | |
| 620 self.setText(QCoreApplication.translate( | |
| 621 "BookmarksManager", "Address Change")) | |
| 622 | |
| 623 def undo(self): | |
| 624 """ | |
| 625 Public slot to perform the undo action. | |
| 626 """ | |
| 627 if self._title: | |
| 628 self._node.title = self._oldValue | |
| 629 else: | |
| 630 self._node.url = self._oldValue | |
| 631 self._bookmarksManager.entryChanged.emit(self._node) | |
| 632 | |
| 633 def redo(self): | |
| 634 """ | |
| 635 Public slot to perform the redo action. | |
| 636 """ | |
| 637 if self._title: | |
| 638 self._node.title = self._newValue | |
| 639 else: | |
| 640 self._node.url = self._newValue | |
| 641 self._bookmarksManager.entryChanged.emit(self._node) |
