Mercurial Repositories > eric / file comparison
comparison: src/eric7/PdfViewer/PdfSearchWidget.py
src/eric7/PdfViewer/PdfSearchWidget.py
- branch
- pdf_viewer
- changeset 9706
- c0ff0b4d5657
- parent 9704
- 6e1650b9b3b5
- child 9707
- 717f95e35ca8
equal
deleted
inserted
replaced
| 9705:7629a6f23b2e | 9706:c0ff0b4d5657 |
|---|---|
| 22 """ | 22 """ |
| 23 Class implementing a widget to show the search results. | 23 Class implementing a widget to show the search results. |
| 24 | 24 |
| 25 @signal rowCountChanged() emitted to indicate a change of the number | 25 @signal rowCountChanged() emitted to indicate a change of the number |
| 26 of items | 26 of items |
| 27 @signal searchNextAvailable(bool) emitted to indicate the availability of | |
| 28 search results after the current one | |
| 29 @signal searchPrevAvailable(bool) emitted to indicate the availability of | |
| 30 search results before the current one | |
| 27 """ | 31 """ |
| 28 | 32 |
| 29 rowCountChanged = pyqtSignal() | 33 rowCountChanged = pyqtSignal() |
| 34 searchNextAvailable = pyqtSignal(bool) | |
| 35 searchPrevAvailable = pyqtSignal(bool) | |
| 30 | 36 |
| 31 def __init__(self, parent=None): | 37 def __init__(self, parent=None): |
| 32 """ | 38 """ |
| 33 Constructor | 39 Constructor |
| 34 | 40 |
| 46 | 52 |
| 47 self.__searchModel = QPdfSearchModel(self) | 53 self.__searchModel = QPdfSearchModel(self) |
| 48 self.__searchModel.modelReset.connect(self.__clear) | 54 self.__searchModel.modelReset.connect(self.__clear) |
| 49 self.__searchModel.rowsInserted.connect(self.__rowsInserted) | 55 self.__searchModel.rowsInserted.connect(self.__rowsInserted) |
| 50 | 56 |
| 57 self.currentItemChanged.connect(self.__handleCurrentItemChanged) | |
| 58 | |
| 51 def setSearchString(self, searchString): | 59 def setSearchString(self, searchString): |
| 52 """ | 60 """ |
| 53 Public method to set the search string. | 61 Public method to set the search string. |
| 54 | 62 |
| 55 @param searchString search string | 63 @param searchString search string |
| 88 def __clear(self): | 96 def __clear(self): |
| 89 """ | 97 """ |
| 90 Private slot to clear the list of search results. | 98 Private slot to clear the list of search results. |
| 91 """ | 99 """ |
| 92 self.clear() | 100 self.clear() |
| 101 | |
| 93 self.rowCountChanged.emit() | 102 self.rowCountChanged.emit() |
| 103 self.searchNextAvailable.emit(False) | |
| 104 self.searchPrevAvailable.emit(False) | |
| 94 | 105 |
| 95 @pyqtSlot(QModelIndex, int, int) | 106 @pyqtSlot(QModelIndex, int, int) |
| 96 def __rowsInserted(self, parent, first, last): | 107 def __rowsInserted(self, parent, first, last): |
| 97 """ | 108 """ |
| 98 Private slot to handle the insertion of rows of the search model. | 109 Private slot to handle the insertion of rows of the search model. |
| 141 | 152 |
| 142 for column in range(self.columnCount()): | 153 for column in range(self.columnCount()): |
| 143 self.resizeColumnToContents(column) | 154 self.resizeColumnToContents(column) |
| 144 | 155 |
| 145 self.rowCountChanged.emit() | 156 self.rowCountChanged.emit() |
| 157 self.searchNextAvailable.emit(True) | |
| 146 | 158 |
| 147 def rowCount(self): | 159 def rowCount(self): |
| 148 """ | 160 """ |
| 149 Public method to get the number of rows. | 161 Public method to get the number of rows. |
| 150 | 162 |
| 201 @rtype QPdfLink | 213 @rtype QPdfLink |
| 202 """ | 214 """ |
| 203 row = self.indexOfTopLevelItem(item) | 215 row = self.indexOfTopLevelItem(item) |
| 204 return self.__searchModel.resultAtIndex(row) | 216 return self.__searchModel.resultAtIndex(row) |
| 205 | 217 |
| 218 @pyqtSlot() | |
| 219 def __handleCurrentItemChanged(self): | |
| 220 """ | |
| 221 Private slot to handle a change of the current item. | |
| 222 """ | |
| 223 hasSearchResults = bool(self.topLevelItemCount()) | |
| 224 currentRow = self.currentRow() | |
| 225 self.searchPrevAvailable.emit(hasSearchResults and currentRow > 0) | |
| 226 self.searchNextAvailable.emit( | |
| 227 hasSearchResults and currentRow < self.topLevelItemCount() - 1 | |
| 228 ) | |
| 229 | |
| 206 | 230 |
| 207 class PdfSearchWidget(QWidget): | 231 class PdfSearchWidget(QWidget): |
| 208 """ | 232 """ |
| 209 Class implementing a Search widget. | 233 Class implementing a Search widget. |
| 234 | |
| 235 @signal searchResultAktivated(QPdfLink) emitted to send the activated search | |
| 236 result link | |
| 237 @signal searchNextAvailable(bool) emitted to indicate the availability of | |
| 238 search results after the current one | |
| 239 @signal searchPrevAvailable(bool) emitted to indicate the availability of | |
| 240 search results before the current one | |
| 210 """ | 241 """ |
| 211 | 242 |
| 212 searchResultActivated = pyqtSignal(QPdfLink) | 243 searchResultActivated = pyqtSignal(QPdfLink) |
| 244 searchNextAvailable = pyqtSignal(bool) | |
| 245 searchPrevAvailable = pyqtSignal(bool) | |
| 213 | 246 |
| 214 def __init__(self, document, parent=None): | 247 def __init__(self, document, parent=None): |
| 215 """ | 248 """ |
| 216 Constructor | 249 Constructor |
| 217 | 250 |
| 269 | 302 |
| 270 self.__resultsWidget.itemActivated.connect(self.__entrySelected) | 303 self.__resultsWidget.itemActivated.connect(self.__entrySelected) |
| 271 document.statusChanged.connect(self.__handleDocumentStatus) | 304 document.statusChanged.connect(self.__handleDocumentStatus) |
| 272 self.__searchEdit.returnPressed.connect(self.__search) | 305 self.__searchEdit.returnPressed.connect(self.__search) |
| 273 self.__searchEdit.textChanged.connect(self.__searchTextChanged) | 306 self.__searchEdit.textChanged.connect(self.__searchTextChanged) |
| 274 self.__resultsWidget.rowCountChanged.connect(self.__updateButtons) | 307 self.__resultsWidget.searchNextAvailable.connect(self.searchNextAvailable) |
| 275 self.__resultsWidget.currentItemChanged.connect( | 308 self.__resultsWidget.searchPrevAvailable.connect(self.searchPrevAvailable) |
| 276 self.__updateButtons | 309 self.__resultsWidget.searchNextAvailable.connect( |
| 310 self.__findNextButton.setEnabled | |
| 277 ) | 311 ) |
| 278 self.__findNextButton.clicked.connect(self.__nextResult) | 312 self.__resultsWidget.searchPrevAvailable.connect( |
| 279 self.__findPrevButton.clicked.connect(self.__previousResult) | 313 self.__findPrevButton.setEnabled |
| 314 ) | |
| 315 self.__findNextButton.clicked.connect(self.nextResult) | |
| 316 self.__findPrevButton.clicked.connect(self.previousResult) | |
| 280 | 317 |
| 281 @pyqtSlot(QPdfDocument.Status) | 318 @pyqtSlot(QPdfDocument.Status) |
| 282 def __handleDocumentStatus(self, status): | 319 def __handleDocumentStatus(self, status): |
| 283 """ | 320 """ |
| 284 Private slot to handle a change of the document status. | 321 Private slot to handle a change of the document status. |
| 311 Private slot to initiate a new search. | 348 Private slot to initiate a new search. |
| 312 """ | 349 """ |
| 313 searchString = self.__searchEdit.text() | 350 searchString = self.__searchEdit.text() |
| 314 self.__resultsWidget.setSearchString(searchString) | 351 self.__resultsWidget.setSearchString(searchString) |
| 315 | 352 |
| 316 @pyqtSlot() | |
| 317 def __updateButtons(self): | |
| 318 """ | |
| 319 Private slot to update the state of the navigation buttons. | |
| 320 """ | |
| 321 hasSearchResults = bool(self.__resultsWidget.rowCount()) | |
| 322 currentRow = self.__resultsWidget.currentRow() | |
| 323 self.__findPrevButton.setEnabled(hasSearchResults and currentRow > 0) | |
| 324 self.__findNextButton.setEnabled( | |
| 325 hasSearchResults and currentRow < self.__resultsWidget.rowCount() - 2 | |
| 326 ) | |
| 327 | |
| 328 @pyqtSlot(QTreeWidgetItem) | 353 @pyqtSlot(QTreeWidgetItem) |
| 329 def __entrySelected(self, item): | 354 def __entrySelected(self, item): |
| 330 """ | 355 """ |
| 331 Private slot to handle the selection of a search result entry. | 356 Private slot to handle the selection of a search result entry. |
| 332 | 357 |
| 335 """ | 360 """ |
| 336 link = self.__resultsWidget.getPdfLink(item) | 361 link = self.__resultsWidget.getPdfLink(item) |
| 337 self.searchResultActivated.emit(link) | 362 self.searchResultActivated.emit(link) |
| 338 | 363 |
| 339 @pyqtSlot() | 364 @pyqtSlot() |
| 340 def __nextResult(self): | 365 def nextResult(self): |
| 341 """ | 366 """ |
| 342 Private slot to activate the next result. | 367 Public slot to activate the next result. |
| 343 """ | 368 """ |
| 344 row = self.__resultsWidget.currentRow() | 369 row = self.__resultsWidget.currentRow() |
| 345 if row < self.__resultsWidget.rowCount() - 2: | 370 if row < self.__resultsWidget.rowCount() - 1: |
| 346 nextItem = self.__resultsWidget.topLevelItem(row + 1) | 371 nextItem = self.__resultsWidget.topLevelItem(row + 1) |
| 347 self.__resultsWidget.setCurrentItem(nextItem) | 372 self.__resultsWidget.setCurrentItem(nextItem) |
| 348 self.__entrySelected(nextItem) | 373 self.__entrySelected(nextItem) |
| 349 | 374 |
| 350 @pyqtSlot() | 375 @pyqtSlot() |
| 351 def __previousResult(self): | 376 def previousResult(self): |
| 352 """ | 377 """ |
| 353 Private slot to activate the previous result. | 378 Public slot to activate the previous result. |
| 354 """ | 379 """ |
| 355 row = self.__resultsWidget.currentRow() | 380 row = self.__resultsWidget.currentRow() |
| 356 if row > 0: | 381 if row > 0: |
| 357 prevItem = self.__resultsWidget.topLevelItem(row - 1) | 382 prevItem = self.__resultsWidget.topLevelItem(row - 1) |
| 358 self.__resultsWidget.setCurrentItem(prevItem) | 383 self.__resultsWidget.setCurrentItem(prevItem) |
| 359 self.__entrySelected(prevItem) | 384 self.__entrySelected(prevItem) |
| 385 | |
| 386 @pyqtSlot() | |
| 387 def activateSearch(self): | |
| 388 """ | |
| 389 Public slot to 'activate' a search. | |
| 390 """ | |
| 391 self.__searchEdit.setFocus(Qt.FocusReason.OtherFocusReason) | |
| 392 self.__searchEdit.selectAll() |
