Mercurial Repositories > eric / file comparison
comparison: src/eric7/WebBrowser/Bookmarks/BookmarksManager.py
src/eric7/WebBrowser/Bookmarks/BookmarksManager.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 9153
- 506e35e424d5
- child 9221
- bf71ee032bb4
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inserted
replaced
| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the bookmarks manager. | |
| 8 """ | |
| 9 | |
| 10 import os | |
| 11 import contextlib | |
| 12 import pathlib | |
| 13 | |
| 14 from PyQt6.QtCore import ( | |
| 15 pyqtSignal, QT_TRANSLATE_NOOP, QObject, QFile, QIODevice, QXmlStreamReader, | |
| 16 QDateTime, QUrl, QCoreApplication | |
| 17 ) | |
| 18 from PyQt6.QtGui import QUndoStack, QUndoCommand | |
| 19 from PyQt6.QtWidgets import QDialog | |
| 20 | |
| 21 from EricWidgets import EricMessageBox, EricFileDialog | |
| 22 | |
| 23 from .BookmarkNode import BookmarkNode | |
| 24 | |
| 25 from Utilities.AutoSaver import AutoSaver | |
| 26 import Utilities | |
| 27 | |
| 28 BOOKMARKBAR = QT_TRANSLATE_NOOP("BookmarksManager", "Bookmarks Bar") | |
| 29 BOOKMARKMENU = QT_TRANSLATE_NOOP("BookmarksManager", "Bookmarks Menu") | |
| 30 | |
| 31 StartRoot = 0 | |
| 32 StartMenu = 1 | |
| 33 StartToolBar = 2 | |
| 34 | |
| 35 | |
| 36 class BookmarksManager(QObject): | |
| 37 """ | |
| 38 Class implementing the bookmarks manager. | |
| 39 | |
| 40 @signal entryAdded(BookmarkNode) emitted after a bookmark node has been | |
| 41 added | |
| 42 @signal entryRemoved(BookmarkNode, int, BookmarkNode) emitted after a | |
| 43 bookmark node has been removed | |
| 44 @signal entryChanged(BookmarkNode) emitted after a bookmark node has been | |
| 45 changed | |
| 46 @signal bookmarksSaved() emitted after the bookmarks were saved | |
| 47 @signal bookmarksReloaded() emitted after the bookmarks were reloaded | |
| 48 """ | |
| 49 entryAdded = pyqtSignal(BookmarkNode) | |
| 50 entryRemoved = pyqtSignal(BookmarkNode, int, BookmarkNode) | |
| 51 entryChanged = pyqtSignal(BookmarkNode) | |
| 52 bookmarksSaved = pyqtSignal() | |
| 53 bookmarksReloaded = pyqtSignal() | |
| 54 | |
| 55 def __init__(self, parent=None): | |
| 56 """ | |
| 57 Constructor | |
| 58 | |
| 59 @param parent reference to the parent object (QObject) | |
| 60 """ | |
| 61 super().__init__(parent) | |
| 62 | |
| 63 self.__saveTimer = AutoSaver(self, self.save) | |
| 64 self.entryAdded.connect(self.__saveTimer.changeOccurred) | |
| 65 self.entryRemoved.connect(self.__saveTimer.changeOccurred) | |
| 66 self.entryChanged.connect(self.__saveTimer.changeOccurred) | |
| 67 | |
| 68 self.__initialize() | |
| 69 | |
| 70 def __initialize(self): | |
| 71 """ | |
| 72 Private method to initialize some data. | |
| 73 """ | |
| 74 self.__loaded = False | |
| 75 self.__bookmarkRootNode = None | |
| 76 self.__toolbar = None | |
| 77 self.__menu = None | |
| 78 self.__bookmarksModel = None | |
| 79 self.__commands = QUndoStack() | |
| 80 | |
| 81 @classmethod | |
| 82 def getFileName(cls): | |
| 83 """ | |
| 84 Class method to get the file name of the bookmark file. | |
| 85 | |
| 86 @return name of the bookmark file (string) | |
| 87 """ | |
| 88 return os.path.join(Utilities.getConfigDir(), "web_browser", | |
| 89 "bookmarks.xbel") | |
| 90 | |
| 91 def close(self): | |
| 92 """ | |
| 93 Public method to close the bookmark manager. | |
| 94 """ | |
| 95 self.__saveTimer.saveIfNeccessary() | |
| 96 | |
| 97 def undoRedoStack(self): | |
| 98 """ | |
| 99 Public method to get a reference to the undo stack. | |
| 100 | |
| 101 @return reference to the undo stack (QUndoStack) | |
| 102 """ | |
| 103 return self.__commands | |
| 104 | |
| 105 def changeExpanded(self): | |
| 106 """ | |
| 107 Public method to handle a change of the expanded state. | |
| 108 """ | |
| 109 self.__saveTimer.changeOccurred() | |
| 110 | |
| 111 def reload(self): | |
| 112 """ | |
| 113 Public method used to initiate a reloading of the bookmarks. | |
| 114 """ | |
| 115 self.__initialize() | |
| 116 self.load() | |
| 117 self.bookmarksReloaded.emit() | |
| 118 | |
| 119 def load(self): | |
| 120 """ | |
| 121 Public method to load the bookmarks. | |
| 122 | |
| 123 @exception RuntimeError raised to indicate an error loading the | |
| 124 bookmarks | |
| 125 """ | |
| 126 if self.__loaded: | |
| 127 return | |
| 128 | |
| 129 self.__loaded = True | |
| 130 | |
| 131 bookmarkFile = self.getFileName() | |
| 132 if not QFile.exists(bookmarkFile): | |
| 133 bookmarkFile = QFile(os.path.join( | |
| 134 os.path.dirname(__file__), "DefaultBookmarks.xbel")) | |
| 135 bookmarkFile.open(QIODevice.OpenModeFlag.ReadOnly) | |
| 136 | |
| 137 from .XbelReader import XbelReader | |
| 138 reader = XbelReader() | |
| 139 self.__bookmarkRootNode = reader.read(bookmarkFile) | |
| 140 if reader.error() != QXmlStreamReader.Error.NoError: | |
| 141 EricMessageBox.warning( | |
| 142 None, | |
| 143 self.tr("Loading Bookmarks"), | |
| 144 self.tr( | |
| 145 """Error when loading bookmarks on line {0},""" | |
| 146 """ column {1}:\n {2}""") | |
| 147 .format(reader.lineNumber(), | |
| 148 reader.columnNumber(), | |
| 149 reader.errorString())) | |
| 150 | |
| 151 others = [] | |
| 152 for index in range( | |
| 153 len(self.__bookmarkRootNode.children()) - 1, -1, -1): | |
| 154 node = self.__bookmarkRootNode.children()[index] | |
| 155 if node.type() == BookmarkNode.Folder: | |
| 156 if ( | |
| 157 (node.title == self.tr("Toolbar Bookmarks") or | |
| 158 node.title == BOOKMARKBAR) and | |
| 159 self.__toolbar is None | |
| 160 ): | |
| 161 node.title = self.tr(BOOKMARKBAR) | |
| 162 self.__toolbar = node | |
| 163 | |
| 164 if ( | |
| 165 (node.title == self.tr("Menu") or | |
| 166 node.title == BOOKMARKMENU) and | |
| 167 self.__menu is None | |
| 168 ): | |
| 169 node.title = self.tr(BOOKMARKMENU) | |
| 170 self.__menu = node | |
| 171 else: | |
| 172 others.append(node) | |
| 173 self.__bookmarkRootNode.remove(node) | |
| 174 | |
| 175 if len(self.__bookmarkRootNode.children()) > 0: | |
| 176 raise RuntimeError("Error loading bookmarks.") | |
| 177 | |
| 178 if self.__toolbar is None: | |
| 179 self.__toolbar = BookmarkNode(BookmarkNode.Folder, | |
| 180 self.__bookmarkRootNode) | |
| 181 self.__toolbar.title = self.tr(BOOKMARKBAR) | |
| 182 else: | |
| 183 self.__bookmarkRootNode.add(self.__toolbar) | |
| 184 | |
| 185 if self.__menu is None: | |
| 186 self.__menu = BookmarkNode(BookmarkNode.Folder, | |
| 187 self.__bookmarkRootNode) | |
| 188 self.__menu.title = self.tr(BOOKMARKMENU) | |
| 189 else: | |
| 190 self.__bookmarkRootNode.add(self.__menu) | |
| 191 | |
| 192 for node in others: | |
| 193 self.__menu.add(node) | |
| 194 | |
| 195 def save(self): | |
| 196 """ | |
| 197 Public method to save the bookmarks. | |
| 198 """ | |
| 199 if not self.__loaded: | |
| 200 return | |
| 201 | |
| 202 from .XbelWriter import XbelWriter | |
| 203 writer = XbelWriter() | |
| 204 bookmarkFile = self.getFileName() | |
| 205 | |
| 206 # save root folder titles in English (i.e. not localized) | |
| 207 self.__menu.title = BOOKMARKMENU | |
| 208 self.__toolbar.title = BOOKMARKBAR | |
| 209 if not writer.write(bookmarkFile, self.__bookmarkRootNode): | |
| 210 EricMessageBox.warning( | |
| 211 None, | |
| 212 self.tr("Saving Bookmarks"), | |
| 213 self.tr("""Error saving bookmarks to <b>{0}</b>.""") | |
| 214 .format(bookmarkFile)) | |
| 215 | |
| 216 # restore localized titles | |
| 217 self.__menu.title = self.tr(BOOKMARKMENU) | |
| 218 self.__toolbar.title = self.tr(BOOKMARKBAR) | |
| 219 | |
| 220 self.bookmarksSaved.emit() | |
| 221 | |
| 222 def addBookmark(self, parent, node, row=-1): | |
| 223 """ | |
| 224 Public method to add a bookmark. | |
| 225 | |
| 226 @param parent reference to the node to add to (BookmarkNode) | |
| 227 @param node reference to the node to add (BookmarkNode) | |
| 228 @param row row number (integer) | |
| 229 """ | |
| 230 if not self.__loaded: | |
| 231 return | |
| 232 | |
| 233 self.setTimestamp(node, BookmarkNode.TsAdded, | |
| 234 QDateTime.currentDateTime()) | |
| 235 | |
| 236 command = InsertBookmarksCommand(self, parent, node, row) | |
| 237 self.__commands.push(command) | |
| 238 | |
| 239 def removeBookmark(self, node): | |
| 240 """ | |
| 241 Public method to remove a bookmark. | |
| 242 | |
| 243 @param node reference to the node to be removed (BookmarkNode) | |
| 244 """ | |
| 245 if not self.__loaded: | |
| 246 return | |
| 247 | |
| 248 parent = node.parent() | |
| 249 row = parent.children().index(node) | |
| 250 command = RemoveBookmarksCommand(self, parent, row) | |
| 251 self.__commands.push(command) | |
| 252 | |
| 253 def setTitle(self, node, newTitle): | |
| 254 """ | |
| 255 Public method to set the title of a bookmark. | |
| 256 | |
| 257 @param node reference to the node to be changed (BookmarkNode) | |
| 258 @param newTitle title to be set (string) | |
| 259 """ | |
| 260 if not self.__loaded: | |
| 261 return | |
| 262 | |
| 263 command = ChangeBookmarkCommand(self, node, newTitle, True) | |
| 264 self.__commands.push(command) | |
| 265 | |
| 266 def setUrl(self, node, newUrl): | |
| 267 """ | |
| 268 Public method to set the URL of a bookmark. | |
| 269 | |
| 270 @param node reference to the node to be changed (BookmarkNode) | |
| 271 @param newUrl URL to be set (string) | |
| 272 """ | |
| 273 if not self.__loaded: | |
| 274 return | |
| 275 | |
| 276 command = ChangeBookmarkCommand(self, node, newUrl, False) | |
| 277 self.__commands.push(command) | |
| 278 | |
| 279 def setNodeChanged(self, node): | |
| 280 """ | |
| 281 Public method to signal changes of bookmarks other than title, URL | |
| 282 or timestamp. | |
| 283 | |
| 284 @param node reference to the bookmark (BookmarkNode) | |
| 285 """ | |
| 286 self.__saveTimer.changeOccurred() | |
| 287 | |
| 288 def setTimestamp(self, node, timestampType, timestamp): | |
| 289 """ | |
| 290 Public method to set the URL of a bookmark. | |
| 291 | |
| 292 @param node reference to the node to be changed (BookmarkNode) | |
| 293 @param timestampType type of the timestamp to set | |
| 294 (BookmarkNode.TsAdded, BookmarkNode.TsModified, | |
| 295 BookmarkNode.TsVisited) | |
| 296 @param timestamp timestamp to set (QDateTime) | |
| 297 """ | |
| 298 if not self.__loaded: | |
| 299 return | |
| 300 | |
| 301 if timestampType == BookmarkNode.TsAdded: | |
| 302 node.added = timestamp | |
| 303 elif timestampType == BookmarkNode.TsModified: | |
| 304 node.modified = timestamp | |
| 305 elif timestampType == BookmarkNode.TsVisited: | |
| 306 node.visited = timestamp | |
| 307 self.__saveTimer.changeOccurred() | |
| 308 | |
| 309 def incVisitCount(self, node): | |
| 310 """ | |
| 311 Public method to increment the visit count of a bookmark. | |
| 312 | |
| 313 @param node reference to the node to be changed (BookmarkNode) | |
| 314 """ | |
| 315 if not self.__loaded: | |
| 316 return | |
| 317 | |
| 318 if node: | |
| 319 node.visitCount += 1 | |
| 320 self.__saveTimer.changeOccurred() | |
| 321 | |
| 322 def setVisitCount(self, node, count): | |
| 323 """ | |
| 324 Public method to set the visit count of a bookmark. | |
| 325 | |
| 326 @param node reference to the node to be changed (BookmarkNode) | |
| 327 @param count visit count to be set (int or str) | |
| 328 """ | |
| 329 with contextlib.suppress(ValueError): | |
| 330 node.visitCount = int(count) | |
| 331 self.__saveTimer.changeOccurred() | |
| 332 | |
| 333 def bookmarks(self): | |
| 334 """ | |
| 335 Public method to get a reference to the root bookmark node. | |
| 336 | |
| 337 @return reference to the root bookmark node (BookmarkNode) | |
| 338 """ | |
| 339 if not self.__loaded: | |
| 340 self.load() | |
| 341 | |
| 342 return self.__bookmarkRootNode | |
| 343 | |
| 344 def menu(self): | |
| 345 """ | |
| 346 Public method to get a reference to the bookmarks menu node. | |
| 347 | |
| 348 @return reference to the bookmarks menu node (BookmarkNode) | |
| 349 """ | |
| 350 if not self.__loaded: | |
| 351 self.load() | |
| 352 | |
| 353 return self.__menu | |
| 354 | |
| 355 def toolbar(self): | |
| 356 """ | |
| 357 Public method to get a reference to the bookmarks toolbar node. | |
| 358 | |
| 359 @return reference to the bookmarks toolbar node (BookmarkNode) | |
| 360 """ | |
| 361 if not self.__loaded: | |
| 362 self.load() | |
| 363 | |
| 364 return self.__toolbar | |
| 365 | |
| 366 def bookmarksModel(self): | |
| 367 """ | |
| 368 Public method to get a reference to the bookmarks model. | |
| 369 | |
| 370 @return reference to the bookmarks model (BookmarksModel) | |
| 371 """ | |
| 372 if self.__bookmarksModel is None: | |
| 373 from .BookmarksModel import BookmarksModel | |
| 374 self.__bookmarksModel = BookmarksModel(self, self) | |
| 375 return self.__bookmarksModel | |
| 376 | |
| 377 def importBookmarks(self): | |
| 378 """ | |
| 379 Public method to import bookmarks. | |
| 380 """ | |
| 381 from .BookmarksImportDialog import BookmarksImportDialog | |
| 382 dlg = BookmarksImportDialog() | |
| 383 if dlg.exec() == QDialog.DialogCode.Accepted: | |
| 384 importRootNode = dlg.getImportedBookmarks() | |
| 385 if importRootNode is not None: | |
| 386 self.addBookmark(self.menu(), importRootNode) | |
| 387 | |
| 388 def exportBookmarks(self): | |
| 389 """ | |
| 390 Public method to export the bookmarks. | |
| 391 """ | |
| 392 fileName, selectedFilter = EricFileDialog.getSaveFileNameAndFilter( | |
| 393 None, | |
| 394 self.tr("Export Bookmarks"), | |
| 395 "eric7_bookmarks.xbel", | |
| 396 self.tr("XBEL bookmarks (*.xbel);;" | |
| 397 "XBEL bookmarks (*.xml);;" | |
| 398 "HTML Bookmarks (*.html)")) | |
| 399 if not fileName: | |
| 400 return | |
| 401 | |
| 402 fpath = pathlib.Path(fileName) | |
| 403 if not fpath.suffix: | |
| 404 ex = selectedFilter.split("(*")[1].split(")")[0] | |
| 405 if ex: | |
| 406 fpath = fpath.with_suffix(ex) | |
| 407 | |
| 408 if fpath.suffix == ".html": | |
| 409 from .NsHtmlWriter import NsHtmlWriter | |
| 410 writer = NsHtmlWriter() | |
| 411 else: | |
| 412 from .XbelWriter import XbelWriter | |
| 413 writer = XbelWriter() | |
| 414 if not writer.write(str(fpath), self.__bookmarkRootNode): | |
| 415 EricMessageBox.critical( | |
| 416 None, | |
| 417 self.tr("Exporting Bookmarks"), | |
| 418 self.tr("""Error exporting bookmarks to <b>{0}</b>.""") | |
| 419 .format(fpath)) | |
| 420 | |
| 421 def faviconChanged(self, url): | |
| 422 """ | |
| 423 Public slot to update the icon image for an URL. | |
| 424 | |
| 425 @param url URL of the icon to update (QUrl or string) | |
| 426 """ | |
| 427 if isinstance(url, QUrl): | |
| 428 url = url.toString() | |
| 429 nodes = self.bookmarksForUrl(url) | |
| 430 for node in nodes: | |
| 431 self.bookmarksModel().entryChanged(node) | |
| 432 | |
| 433 def bookmarkForUrl(self, url, start=StartRoot): | |
| 434 """ | |
| 435 Public method to get a bookmark node for a given URL. | |
| 436 | |
| 437 @param url URL of the bookmark to search for (QUrl or string) | |
| 438 @param start indicator for the start of the search | |
| 439 (StartRoot, StartMenu, StartToolBar) | |
| 440 @return bookmark node for the given url (BookmarkNode) | |
| 441 """ | |
| 442 if start == StartMenu: | |
| 443 startNode = self.__menu | |
| 444 elif start == StartToolBar: | |
| 445 startNode = self.__toolbar | |
| 446 else: | |
| 447 startNode = self.__bookmarkRootNode | |
| 448 if startNode is None: | |
| 449 return None | |
| 450 | |
| 451 if isinstance(url, QUrl): | |
| 452 url = url.toString() | |
| 453 | |
| 454 return self.__searchBookmark(url, startNode) | |
| 455 | |
| 456 def __searchBookmark(self, url, startNode): | |
| 457 """ | |
| 458 Private method get a bookmark node for a given URL. | |
| 459 | |
| 460 @param url URL of the bookmark to search for (string) | |
| 461 @param startNode reference to the node to start searching | |
| 462 (BookmarkNode) | |
| 463 @return bookmark node for the given url (BookmarkNode) | |
| 464 """ | |
| 465 bm = None | |
| 466 for node in startNode.children(): | |
| 467 if node.type() == BookmarkNode.Folder: | |
| 468 bm = self.__searchBookmark(url, node) | |
| 469 elif ( | |
| 470 node.type() == BookmarkNode.Bookmark and | |
| 471 node.url == url | |
| 472 ): | |
| 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 @param 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 ( | |
| 515 node.type() == BookmarkNode.Bookmark and | |
| 516 node.url == url | |
| 517 ): | |
| 518 bm.append(node) | |
| 519 return bm | |
| 520 | |
| 521 | |
| 522 class RemoveBookmarksCommand(QUndoCommand): | |
| 523 """ | |
| 524 Class implementing the Remove undo command. | |
| 525 """ | |
| 526 def __init__(self, bookmarksManager, parent, row): | |
| 527 """ | |
| 528 Constructor | |
| 529 | |
| 530 @param bookmarksManager reference to the bookmarks manager | |
| 531 (BookmarksManager) | |
| 532 @param parent reference to the parent node (BookmarkNode) | |
| 533 @param row row number of bookmark (integer) | |
| 534 """ | |
| 535 super().__init__( | |
| 536 QCoreApplication.translate("BookmarksManager", "Remove Bookmark")) | |
| 537 | |
| 538 self._row = row | |
| 539 self._bookmarksManager = bookmarksManager | |
| 540 try: | |
| 541 self._node = parent.children()[row] | |
| 542 except IndexError: | |
| 543 self._node = BookmarkNode() | |
| 544 self._parent = parent | |
| 545 | |
| 546 def undo(self): | |
| 547 """ | |
| 548 Public slot to perform the undo action. | |
| 549 """ | |
| 550 self._parent.add(self._node, self._row) | |
| 551 self._bookmarksManager.entryAdded.emit(self._node) | |
| 552 | |
| 553 def redo(self): | |
| 554 """ | |
| 555 Public slot to perform the redo action. | |
| 556 """ | |
| 557 self._parent.remove(self._node) | |
| 558 self._bookmarksManager.entryRemoved.emit( | |
| 559 self._parent, self._row, self._node) | |
| 560 | |
| 561 | |
| 562 class InsertBookmarksCommand(RemoveBookmarksCommand): | |
| 563 """ | |
| 564 Class implementing the Insert undo command. | |
| 565 """ | |
| 566 def __init__(self, bookmarksManager, parent, node, row): | |
| 567 """ | |
| 568 Constructor | |
| 569 | |
| 570 @param bookmarksManager reference to the bookmarks manager | |
| 571 (BookmarksManager) | |
| 572 @param parent reference to the parent node (BookmarkNode) | |
| 573 @param node reference to the node to be inserted (BookmarkNode) | |
| 574 @param row row number of bookmark (integer) | |
| 575 """ | |
| 576 RemoveBookmarksCommand.__init__(self, bookmarksManager, parent, row) | |
| 577 self.setText(QCoreApplication.translate( | |
| 578 "BookmarksManager", "Insert Bookmark")) | |
| 579 self._node = node | |
| 580 | |
| 581 def undo(self): | |
| 582 """ | |
| 583 Public slot to perform the undo action. | |
| 584 """ | |
| 585 RemoveBookmarksCommand.redo(self) | |
| 586 | |
| 587 def redo(self): | |
| 588 """ | |
| 589 Public slot to perform the redo action. | |
| 590 """ | |
| 591 RemoveBookmarksCommand.undo(self) | |
| 592 | |
| 593 | |
| 594 class ChangeBookmarkCommand(QUndoCommand): | |
| 595 """ | |
| 596 Class implementing the Insert undo command. | |
| 597 """ | |
| 598 def __init__(self, bookmarksManager, node, newValue, title): | |
| 599 """ | |
| 600 Constructor | |
| 601 | |
| 602 @param bookmarksManager reference to the bookmarks manager | |
| 603 (BookmarksManager) | |
| 604 @param node reference to the node to be changed (BookmarkNode) | |
| 605 @param newValue new value to be set (string) | |
| 606 @param title flag indicating a change of the title (True) or | |
| 607 the URL (False) (boolean) | |
| 608 """ | |
| 609 super().__init__() | |
| 610 | |
| 611 self._bookmarksManager = bookmarksManager | |
| 612 self._title = title | |
| 613 self._newValue = newValue | |
| 614 self._node = node | |
| 615 | |
| 616 if self._title: | |
| 617 self._oldValue = self._node.title | |
| 618 self.setText(QCoreApplication.translate( | |
| 619 "BookmarksManager", "Name Change")) | |
| 620 else: | |
| 621 self._oldValue = self._node.url | |
| 622 self.setText(QCoreApplication.translate( | |
| 623 "BookmarksManager", "Address Change")) | |
| 624 | |
| 625 def undo(self): | |
| 626 """ | |
| 627 Public slot to perform the undo action. | |
| 628 """ | |
| 629 if self._title: | |
| 630 self._node.title = self._oldValue | |
| 631 else: | |
| 632 self._node.url = self._oldValue | |
| 633 self._bookmarksManager.entryChanged.emit(self._node) | |
| 634 | |
| 635 def redo(self): | |
| 636 """ | |
| 637 Public slot to perform the redo action. | |
| 638 """ | |
| 639 if self._title: | |
| 640 self._node.title = self._newValue | |
| 641 else: | |
| 642 self._node.url = self._newValue | |
| 643 self._bookmarksManager.entryChanged.emit(self._node) |
