Mercurial Repositories > eric / file comparison
comparison: eric7/WebBrowser/Bookmarks/BookmarksManager.py
eric7/WebBrowser/Bookmarks/BookmarksManager.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8243
- cc717c2ae956
- child 8314
- e3642a6a1e71
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the bookmarks manager. | |
| 8 """ | |
| 9 | |
| 10 import os | |
| 11 import contextlib | |
| 12 | |
| 13 from PyQt5.QtCore import ( | |
| 14 pyqtSignal, QT_TRANSLATE_NOOP, QObject, QFile, QIODevice, QXmlStreamReader, | |
| 15 QDateTime, QFileInfo, QUrl, QCoreApplication | |
| 16 ) | |
| 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().__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 bookmarkFile = QFile(os.path.join( | |
| 132 os.path.dirname(__file__), "DefaultBookmarks.xbel")) | |
| 133 bookmarkFile.open(QIODevice.OpenModeFlag.ReadOnly) | |
| 134 | |
| 135 from .XbelReader import XbelReader | |
| 136 reader = XbelReader() | |
| 137 self.__bookmarkRootNode = reader.read(bookmarkFile) | |
| 138 if reader.error() != QXmlStreamReader.Error.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 ( | |
| 155 (node.title == self.tr("Toolbar Bookmarks") or | |
| 156 node.title == BOOKMARKBAR) and | |
| 157 self.__toolbar is None | |
| 158 ): | |
| 159 node.title = self.tr(BOOKMARKBAR) | |
| 160 self.__toolbar = node | |
| 161 | |
| 162 if ( | |
| 163 (node.title == self.tr("Menu") or | |
| 164 node.title == BOOKMARKMENU) and | |
| 165 self.__menu is None | |
| 166 ): | |
| 167 node.title = self.tr(BOOKMARKMENU) | |
| 168 self.__menu = node | |
| 169 else: | |
| 170 others.append(node) | |
| 171 self.__bookmarkRootNode.remove(node) | |
| 172 | |
| 173 if len(self.__bookmarkRootNode.children()) > 0: | |
| 174 raise RuntimeError("Error loading bookmarks.") | |
| 175 | |
| 176 if self.__toolbar is None: | |
| 177 self.__toolbar = BookmarkNode(BookmarkNode.Folder, | |
| 178 self.__bookmarkRootNode) | |
| 179 self.__toolbar.title = self.tr(BOOKMARKBAR) | |
| 180 else: | |
| 181 self.__bookmarkRootNode.add(self.__toolbar) | |
| 182 | |
| 183 if self.__menu is None: | |
| 184 self.__menu = BookmarkNode(BookmarkNode.Folder, | |
| 185 self.__bookmarkRootNode) | |
| 186 self.__menu.title = self.tr(BOOKMARKMENU) | |
| 187 else: | |
| 188 self.__bookmarkRootNode.add(self.__menu) | |
| 189 | |
| 190 for node in others: | |
| 191 self.__menu.add(node) | |
| 192 | |
| 193 def save(self): | |
| 194 """ | |
| 195 Public method to save the bookmarks. | |
| 196 """ | |
| 197 if not self.__loaded: | |
| 198 return | |
| 199 | |
| 200 from .XbelWriter import XbelWriter | |
| 201 writer = XbelWriter() | |
| 202 bookmarkFile = self.getFileName() | |
| 203 | |
| 204 # save root folder titles in English (i.e. not localized) | |
| 205 self.__menu.title = BOOKMARKMENU | |
| 206 self.__toolbar.title = BOOKMARKBAR | |
| 207 if not writer.write(bookmarkFile, self.__bookmarkRootNode): | |
| 208 E5MessageBox.warning( | |
| 209 None, | |
| 210 self.tr("Saving Bookmarks"), | |
| 211 self.tr("""Error saving bookmarks to <b>{0}</b>.""") | |
| 212 .format(bookmarkFile)) | |
| 213 | |
| 214 # restore localized titles | |
| 215 self.__menu.title = self.tr(BOOKMARKMENU) | |
| 216 self.__toolbar.title = self.tr(BOOKMARKBAR) | |
| 217 | |
| 218 self.bookmarksSaved.emit() | |
| 219 | |
| 220 def addBookmark(self, parent, node, row=-1): | |
| 221 """ | |
| 222 Public method to add a bookmark. | |
| 223 | |
| 224 @param parent reference to the node to add to (BookmarkNode) | |
| 225 @param node reference to the node to add (BookmarkNode) | |
| 226 @param row row number (integer) | |
| 227 """ | |
| 228 if not self.__loaded: | |
| 229 return | |
| 230 | |
| 231 self.setTimestamp(node, BookmarkNode.TsAdded, | |
| 232 QDateTime.currentDateTime()) | |
| 233 | |
| 234 command = InsertBookmarksCommand(self, parent, node, row) | |
| 235 self.__commands.push(command) | |
| 236 | |
| 237 def removeBookmark(self, node): | |
| 238 """ | |
| 239 Public method to remove a bookmark. | |
| 240 | |
| 241 @param node reference to the node to be removed (BookmarkNode) | |
| 242 """ | |
| 243 if not self.__loaded: | |
| 244 return | |
| 245 | |
| 246 parent = node.parent() | |
| 247 row = parent.children().index(node) | |
| 248 command = RemoveBookmarksCommand(self, parent, row) | |
| 249 self.__commands.push(command) | |
| 250 | |
| 251 def setTitle(self, node, newTitle): | |
| 252 """ | |
| 253 Public method to set the title of a bookmark. | |
| 254 | |
| 255 @param node reference to the node to be changed (BookmarkNode) | |
| 256 @param newTitle title to be set (string) | |
| 257 """ | |
| 258 if not self.__loaded: | |
| 259 return | |
| 260 | |
| 261 command = ChangeBookmarkCommand(self, node, newTitle, True) | |
| 262 self.__commands.push(command) | |
| 263 | |
| 264 def setUrl(self, node, newUrl): | |
| 265 """ | |
| 266 Public method to set the URL of a bookmark. | |
| 267 | |
| 268 @param node reference to the node to be changed (BookmarkNode) | |
| 269 @param newUrl URL to be set (string) | |
| 270 """ | |
| 271 if not self.__loaded: | |
| 272 return | |
| 273 | |
| 274 command = ChangeBookmarkCommand(self, node, newUrl, False) | |
| 275 self.__commands.push(command) | |
| 276 | |
| 277 def setNodeChanged(self, node): | |
| 278 """ | |
| 279 Public method to signal changes of bookmarks other than title, URL | |
| 280 or timestamp. | |
| 281 | |
| 282 @param node reference to the bookmark (BookmarkNode) | |
| 283 """ | |
| 284 self.__saveTimer.changeOccurred() | |
| 285 | |
| 286 def setTimestamp(self, node, timestampType, timestamp): | |
| 287 """ | |
| 288 Public method to set the URL of a bookmark. | |
| 289 | |
| 290 @param node reference to the node to be changed (BookmarkNode) | |
| 291 @param timestampType type of the timestamp to set | |
| 292 (BookmarkNode.TsAdded, BookmarkNode.TsModified, | |
| 293 BookmarkNode.TsVisited) | |
| 294 @param timestamp timestamp to set (QDateTime) | |
| 295 """ | |
| 296 if not self.__loaded: | |
| 297 return | |
| 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 with contextlib.suppress(ValueError): | |
| 328 node.visitCount = int(count) | |
| 329 self.__saveTimer.changeOccurred() | |
| 330 | |
| 331 def bookmarks(self): | |
| 332 """ | |
| 333 Public method to get a reference to the root bookmark node. | |
| 334 | |
| 335 @return reference to the root bookmark node (BookmarkNode) | |
| 336 """ | |
| 337 if not self.__loaded: | |
| 338 self.load() | |
| 339 | |
| 340 return self.__bookmarkRootNode | |
| 341 | |
| 342 def menu(self): | |
| 343 """ | |
| 344 Public method to get a reference to the bookmarks menu node. | |
| 345 | |
| 346 @return reference to the bookmarks menu node (BookmarkNode) | |
| 347 """ | |
| 348 if not self.__loaded: | |
| 349 self.load() | |
| 350 | |
| 351 return self.__menu | |
| 352 | |
| 353 def toolbar(self): | |
| 354 """ | |
| 355 Public method to get a reference to the bookmarks toolbar node. | |
| 356 | |
| 357 @return reference to the bookmarks toolbar node (BookmarkNode) | |
| 358 """ | |
| 359 if not self.__loaded: | |
| 360 self.load() | |
| 361 | |
| 362 return self.__toolbar | |
| 363 | |
| 364 def bookmarksModel(self): | |
| 365 """ | |
| 366 Public method to get a reference to the bookmarks model. | |
| 367 | |
| 368 @return reference to the bookmarks model (BookmarksModel) | |
| 369 """ | |
| 370 if self.__bookmarksModel is None: | |
| 371 from .BookmarksModel import BookmarksModel | |
| 372 self.__bookmarksModel = BookmarksModel(self, self) | |
| 373 return self.__bookmarksModel | |
| 374 | |
| 375 def importBookmarks(self): | |
| 376 """ | |
| 377 Public method to import bookmarks. | |
| 378 """ | |
| 379 from .BookmarksImportDialog import BookmarksImportDialog | |
| 380 dlg = BookmarksImportDialog() | |
| 381 if dlg.exec() == QDialog.DialogCode.Accepted: | |
| 382 importRootNode = dlg.getImportedBookmarks() | |
| 383 if importRootNode is not None: | |
| 384 self.addBookmark(self.menu(), importRootNode) | |
| 385 | |
| 386 def exportBookmarks(self): | |
| 387 """ | |
| 388 Public method to export the bookmarks. | |
| 389 """ | |
| 390 fileName, selectedFilter = E5FileDialog.getSaveFileNameAndFilter( | |
| 391 None, | |
| 392 self.tr("Export Bookmarks"), | |
| 393 "eric6_bookmarks.xbel", | |
| 394 self.tr("XBEL bookmarks (*.xbel);;" | |
| 395 "XBEL bookmarks (*.xml);;" | |
| 396 "HTML Bookmarks (*.html)")) | |
| 397 if not fileName: | |
| 398 return | |
| 399 | |
| 400 ext = QFileInfo(fileName).suffix() | |
| 401 if not ext: | |
| 402 ex = selectedFilter.split("(*")[1].split(")")[0] | |
| 403 if ex: | |
| 404 fileName += ex | |
| 405 | |
| 406 ext = QFileInfo(fileName).suffix() | |
| 407 if ext == "html": | |
| 408 from .NsHtmlWriter import NsHtmlWriter | |
| 409 writer = NsHtmlWriter() | |
| 410 else: | |
| 411 from .XbelWriter import XbelWriter | |
| 412 writer = XbelWriter() | |
| 413 if not writer.write(fileName, self.__bookmarkRootNode): | |
| 414 E5MessageBox.critical( | |
| 415 None, | |
| 416 self.tr("Exporting Bookmarks"), | |
| 417 self.tr("""Error exporting bookmarks to <b>{0}</b>.""") | |
| 418 .format(fileName)) | |
| 419 | |
| 420 def faviconChanged(self, url): | |
| 421 """ | |
| 422 Public slot to update the icon image for an URL. | |
| 423 | |
| 424 @param url URL of the icon to update (QUrl or string) | |
| 425 """ | |
| 426 if isinstance(url, QUrl): | |
| 427 url = url.toString() | |
| 428 nodes = self.bookmarksForUrl(url) | |
| 429 for node in nodes: | |
| 430 self.bookmarksModel().entryChanged(node) | |
| 431 | |
| 432 def bookmarkForUrl(self, url, start=StartRoot): | |
| 433 """ | |
| 434 Public method to get a bookmark node for a given URL. | |
| 435 | |
| 436 @param url URL of the bookmark to search for (QUrl or string) | |
| 437 @param start indicator for the start of the search | |
| 438 (StartRoot, StartMenu, StartToolBar) | |
| 439 @return bookmark node for the given url (BookmarkNode) | |
| 440 """ | |
| 441 if start == StartMenu: | |
| 442 startNode = self.__menu | |
| 443 elif start == StartToolBar: | |
| 444 startNode = self.__toolbar | |
| 445 else: | |
| 446 startNode = self.__bookmarkRootNode | |
| 447 if startNode is None: | |
| 448 return None | |
| 449 | |
| 450 if isinstance(url, QUrl): | |
| 451 url = url.toString() | |
| 452 | |
| 453 return self.__searchBookmark(url, startNode) | |
| 454 | |
| 455 def __searchBookmark(self, url, startNode): | |
| 456 """ | |
| 457 Private method get a bookmark node for a given URL. | |
| 458 | |
| 459 @param url URL of the bookmark to search for (string) | |
| 460 @param startNode reference to the node to start searching | |
| 461 (BookmarkNode) | |
| 462 @return bookmark node for the given url (BookmarkNode) | |
| 463 """ | |
| 464 bm = None | |
| 465 for node in startNode.children(): | |
| 466 if node.type() == BookmarkNode.Folder: | |
| 467 bm = self.__searchBookmark(url, node) | |
| 468 elif ( | |
| 469 node.type() == BookmarkNode.Bookmark and | |
| 470 node.url == url | |
| 471 ): | |
| 472 bm = node | |
| 473 if bm is not None: | |
| 474 return bm | |
| 475 return None | |
| 476 | |
| 477 def bookmarksForUrl(self, url, start=StartRoot): | |
| 478 """ | |
| 479 Public method to get a list of bookmark nodes for a given URL. | |
| 480 | |
| 481 @param url URL of the bookmarks to search for (QUrl or string) | |
| 482 @param start indicator for the start of the search | |
| 483 (StartRoot, StartMenu, StartToolBar) | |
| 484 @return list of bookmark nodes for the given url (list of BookmarkNode) | |
| 485 """ | |
| 486 if start == StartMenu: | |
| 487 startNode = self.__menu | |
| 488 elif start == StartToolBar: | |
| 489 startNode = self.__toolbar | |
| 490 else: | |
| 491 startNode = self.__bookmarkRootNode | |
| 492 if startNode is None: | |
| 493 return [] | |
| 494 | |
| 495 if isinstance(url, QUrl): | |
| 496 url = url.toString() | |
| 497 | |
| 498 return self.__searchBookmarks(url, startNode) | |
| 499 | |
| 500 def __searchBookmarks(self, url, startNode): | |
| 501 """ | |
| 502 Private method get a list of bookmark nodes for a given URL. | |
| 503 | |
| 504 @param url URL of the bookmarks to search for (string) | |
| 505 @param startNode reference to the node to start searching | |
| 506 (BookmarkNode) | |
| 507 @return list of bookmark nodes for the given url (list of BookmarkNode) | |
| 508 """ | |
| 509 bm = [] | |
| 510 for node in startNode.children(): | |
| 511 if node.type() == BookmarkNode.Folder: | |
| 512 bm.extend(self.__searchBookmarks(url, node)) | |
| 513 elif ( | |
| 514 node.type() == BookmarkNode.Bookmark and | |
| 515 node.url == url | |
| 516 ): | |
| 517 bm.append(node) | |
| 518 return bm | |
| 519 | |
| 520 | |
| 521 class RemoveBookmarksCommand(QUndoCommand): | |
| 522 """ | |
| 523 Class implementing the Remove undo command. | |
| 524 """ | |
| 525 def __init__(self, bookmarksManager, parent, row): | |
| 526 """ | |
| 527 Constructor | |
| 528 | |
| 529 @param bookmarksManager reference to the bookmarks manager | |
| 530 (BookmarksManager) | |
| 531 @param parent reference to the parent node (BookmarkNode) | |
| 532 @param row row number of bookmark (integer) | |
| 533 """ | |
| 534 super().__init__( | |
| 535 QCoreApplication.translate("BookmarksManager", "Remove Bookmark")) | |
| 536 | |
| 537 self._row = row | |
| 538 self._bookmarksManager = bookmarksManager | |
| 539 try: | |
| 540 self._node = parent.children()[row] | |
| 541 except IndexError: | |
| 542 self._node = BookmarkNode() | |
| 543 self._parent = parent | |
| 544 | |
| 545 def undo(self): | |
| 546 """ | |
| 547 Public slot to perform the undo action. | |
| 548 """ | |
| 549 self._parent.add(self._node, self._row) | |
| 550 self._bookmarksManager.entryAdded.emit(self._node) | |
| 551 | |
| 552 def redo(self): | |
| 553 """ | |
| 554 Public slot to perform the redo action. | |
| 555 """ | |
| 556 self._parent.remove(self._node) | |
| 557 self._bookmarksManager.entryRemoved.emit( | |
| 558 self._parent, self._row, self._node) | |
| 559 | |
| 560 | |
| 561 class InsertBookmarksCommand(RemoveBookmarksCommand): | |
| 562 """ | |
| 563 Class implementing the Insert undo command. | |
| 564 """ | |
| 565 def __init__(self, bookmarksManager, parent, node, row): | |
| 566 """ | |
| 567 Constructor | |
| 568 | |
| 569 @param bookmarksManager reference to the bookmarks manager | |
| 570 (BookmarksManager) | |
| 571 @param parent reference to the parent node (BookmarkNode) | |
| 572 @param node reference to the node to be inserted (BookmarkNode) | |
| 573 @param row row number of bookmark (integer) | |
| 574 """ | |
| 575 RemoveBookmarksCommand.__init__(self, bookmarksManager, parent, row) | |
| 576 self.setText(QCoreApplication.translate( | |
| 577 "BookmarksManager", "Insert Bookmark")) | |
| 578 self._node = node | |
| 579 | |
| 580 def undo(self): | |
| 581 """ | |
| 582 Public slot to perform the undo action. | |
| 583 """ | |
| 584 RemoveBookmarksCommand.redo(self) | |
| 585 | |
| 586 def redo(self): | |
| 587 """ | |
| 588 Public slot to perform the redo action. | |
| 589 """ | |
| 590 RemoveBookmarksCommand.undo(self) | |
| 591 | |
| 592 | |
| 593 class ChangeBookmarkCommand(QUndoCommand): | |
| 594 """ | |
| 595 Class implementing the Insert undo command. | |
| 596 """ | |
| 597 def __init__(self, bookmarksManager, node, newValue, title): | |
| 598 """ | |
| 599 Constructor | |
| 600 | |
| 601 @param bookmarksManager reference to the bookmarks manager | |
| 602 (BookmarksManager) | |
| 603 @param node reference to the node to be changed (BookmarkNode) | |
| 604 @param newValue new value to be set (string) | |
| 605 @param title flag indicating a change of the title (True) or | |
| 606 the URL (False) (boolean) | |
| 607 """ | |
| 608 super().__init__() | |
| 609 | |
| 610 self._bookmarksManager = bookmarksManager | |
| 611 self._title = title | |
| 612 self._newValue = newValue | |
| 613 self._node = node | |
| 614 | |
| 615 if self._title: | |
| 616 self._oldValue = self._node.title | |
| 617 self.setText(QCoreApplication.translate( | |
| 618 "BookmarksManager", "Name Change")) | |
| 619 else: | |
| 620 self._oldValue = self._node.url | |
| 621 self.setText(QCoreApplication.translate( | |
| 622 "BookmarksManager", "Address Change")) | |
| 623 | |
| 624 def undo(self): | |
| 625 """ | |
| 626 Public slot to perform the undo action. | |
| 627 """ | |
| 628 if self._title: | |
| 629 self._node.title = self._oldValue | |
| 630 else: | |
| 631 self._node.url = self._oldValue | |
| 632 self._bookmarksManager.entryChanged.emit(self._node) | |
| 633 | |
| 634 def redo(self): | |
| 635 """ | |
| 636 Public slot to perform the redo action. | |
| 637 """ | |
| 638 if self._title: | |
| 639 self._node.title = self._newValue | |
| 640 else: | |
| 641 self._node.url = self._newValue | |
| 642 self._bookmarksManager.entryChanged.emit(self._node) |
