Mercurial Repositories > eric / file comparison
comparison: src/eric7/WebBrowser/History/HistoryTreeModel.py
src/eric7/WebBrowser/History/HistoryTreeModel.py
- branch
- eric7
- changeset 10436
- f6881d10e995
- parent 9653
- e67609152c5e
- child 10439
- 21c28b0f9e41
equal
deleted
inserted
replaced
| 10435:c712d09cc839 | 10436:f6881d10e995 |
|---|---|
| 23 | 23 |
| 24 def __init__(self, sourceModel, parent=None): | 24 def __init__(self, sourceModel, parent=None): |
| 25 """ | 25 """ |
| 26 Constructor | 26 Constructor |
| 27 | 27 |
| 28 @param sourceModel reference to the source model (QAbstractItemModel) | 28 @param sourceModel reference to the source model |
| 29 @param parent reference to the parent object (QObject) | 29 @type QAbstractItemModel |
| 30 @param parent reference to the parent object | |
| 31 @type QObject | |
| 30 """ | 32 """ |
| 31 super().__init__(parent) | 33 super().__init__(parent) |
| 32 | 34 |
| 33 self.__sourceRowCache = [] | 35 self.__sourceRowCache = [] |
| 34 self.__removingDown = False | 36 self.__removingDown = False |
| 37 | 39 |
| 38 def headerData(self, section, orientation, role=Qt.ItemDataRole.DisplayRole): | 40 def headerData(self, section, orientation, role=Qt.ItemDataRole.DisplayRole): |
| 39 """ | 41 """ |
| 40 Public method to get the header data. | 42 Public method to get the header data. |
| 41 | 43 |
| 42 @param section section number (integer) | 44 @param section section number |
| 43 @param orientation header orientation (Qt.Orientation) | 45 @type int |
| 44 @param role data role (Qt.ItemDataRole) | 46 @param orientation header orientation |
| 47 @type Qt.Orientation | |
| 48 @param role data role | |
| 49 @type Qt.ItemDataRole | |
| 45 @return header data | 50 @return header data |
| 51 @rtype Any | |
| 46 """ | 52 """ |
| 47 return self.sourceModel().headerData(section, orientation, role) | 53 return self.sourceModel().headerData(section, orientation, role) |
| 48 | 54 |
| 49 def data(self, index, role=Qt.ItemDataRole.DisplayRole): | 55 def data(self, index, role=Qt.ItemDataRole.DisplayRole): |
| 50 """ | 56 """ |
| 51 Public method to get data from the model. | 57 Public method to get data from the model. |
| 52 | 58 |
| 53 @param index index of history entry to get data for (QModelIndex) | 59 @param index index of history entry to get data for |
| 54 @param role data role (integer) | 60 @type QModelIndex |
| 61 @param role data role | |
| 62 @type int | |
| 55 @return history entry data | 63 @return history entry data |
| 64 @rtype Any | |
| 56 """ | 65 """ |
| 57 if role in [Qt.ItemDataRole.DisplayRole, Qt.ItemDataRole.EditRole]: | 66 if role in [Qt.ItemDataRole.DisplayRole, Qt.ItemDataRole.EditRole]: |
| 58 start = index.internalId() | 67 start = index.internalId() |
| 59 if start == 0: | 68 if start == 0: |
| 60 offset = self.__sourceDateRow(index.row()) | 69 offset = self.__sourceDateRow(index.row()) |
| 89 | 98 |
| 90 def columnCount(self, parent=None): | 99 def columnCount(self, parent=None): |
| 91 """ | 100 """ |
| 92 Public method to get the number of columns. | 101 Public method to get the number of columns. |
| 93 | 102 |
| 94 @param parent index of parent (QModelIndex) | 103 @param parent index of parent |
| 95 @return number of columns (integer) | 104 @type QModelIndex |
| 105 @return number of columns | |
| 106 @rtype int | |
| 96 """ | 107 """ |
| 97 if parent is None: | 108 if parent is None: |
| 98 parent = QModelIndex() | 109 parent = QModelIndex() |
| 99 | 110 |
| 100 return self.sourceModel().columnCount(self.mapToSource(parent)) | 111 return self.sourceModel().columnCount(self.mapToSource(parent)) |
| 101 | 112 |
| 102 def rowCount(self, parent=None): | 113 def rowCount(self, parent=None): |
| 103 """ | 114 """ |
| 104 Public method to determine the number of rows. | 115 Public method to determine the number of rows. |
| 105 | 116 |
| 106 @param parent index of parent (QModelIndex) | 117 @param parent index of parent |
| 107 @return number of rows (integer) | 118 @type QModelIndex |
| 119 @return number of rows | |
| 120 @rtype int | |
| 108 """ | 121 """ |
| 109 if parent is None: | 122 if parent is None: |
| 110 parent = QModelIndex() | 123 parent = QModelIndex() |
| 111 | 124 |
| 112 if ( | 125 if ( |
| 141 def __sourceDateRow(self, row): | 154 def __sourceDateRow(self, row): |
| 142 """ | 155 """ |
| 143 Private method to translate the top level date row into the offset | 156 Private method to translate the top level date row into the offset |
| 144 where that date starts. | 157 where that date starts. |
| 145 | 158 |
| 146 @param row row number of the date (integer) | 159 @param row row number of the date |
| 147 @return offset where that date starts (integer) | 160 @type int |
| 161 @return offset where that date starts | |
| 162 @rtype int | |
| 148 """ | 163 """ |
| 149 if row <= 0: | 164 if row <= 0: |
| 150 return 0 | 165 return 0 |
| 151 | 166 |
| 152 if len(self.__sourceRowCache) == 0: | 167 if len(self.__sourceRowCache) == 0: |
| 161 | 176 |
| 162 def mapToSource(self, proxyIndex): | 177 def mapToSource(self, proxyIndex): |
| 163 """ | 178 """ |
| 164 Public method to map an index to the source model index. | 179 Public method to map an index to the source model index. |
| 165 | 180 |
| 166 @param proxyIndex reference to a proxy model index (QModelIndex) | 181 @param proxyIndex reference to a proxy model index |
| 167 @return source model index (QModelIndex) | 182 @type QModelIndex |
| 183 @return source model index | |
| 184 @rtype QModelIndex | |
| 168 """ | 185 """ |
| 169 offset = proxyIndex.internalId() | 186 offset = proxyIndex.internalId() |
| 170 if offset == 0: | 187 if offset == 0: |
| 171 return QModelIndex() | 188 return QModelIndex() |
| 172 startDateRow = self.__sourceDateRow(offset - 1) | 189 startDateRow = self.__sourceDateRow(offset - 1) |
| 176 | 193 |
| 177 def index(self, row, column, parent=None): | 194 def index(self, row, column, parent=None): |
| 178 """ | 195 """ |
| 179 Public method to create an index. | 196 Public method to create an index. |
| 180 | 197 |
| 181 @param row row number for the index (integer) | 198 @param row row number for the index |
| 182 @param column column number for the index (integer) | 199 @type int |
| 183 @param parent index of the parent item (QModelIndex) | 200 @param column column number for the index |
| 184 @return requested index (QModelIndex) | 201 @type int |
| 202 @param parent index of the parent item | |
| 203 @type QModelIndex | |
| 204 @return requested index | |
| 205 @rtype QModelIndex | |
| 185 """ | 206 """ |
| 186 if parent is None: | 207 if parent is None: |
| 187 parent = QModelIndex() | 208 parent = QModelIndex() |
| 188 | 209 |
| 189 if ( | 210 if ( |
| 200 | 221 |
| 201 def parent(self, index): | 222 def parent(self, index): |
| 202 """ | 223 """ |
| 203 Public method to get the parent index. | 224 Public method to get the parent index. |
| 204 | 225 |
| 205 @param index index of item to get parent (QModelIndex) | 226 @param index index of item to get parent |
| 206 @return index of parent (QModelIndex) | 227 @type QModelIndex |
| 228 @return index of parent | |
| 229 @rtype QModelIndex | |
| 207 """ | 230 """ |
| 208 offset = index.internalId() | 231 offset = index.internalId() |
| 209 if offset == 0 or not index.isValid(): | 232 if offset == 0 or not index.isValid(): |
| 210 return QModelIndex() | 233 return QModelIndex() |
| 211 return self.createIndex(offset - 1, 0, 0) | 234 return self.createIndex(offset - 1, 0, 0) |
| 212 | 235 |
| 213 def hasChildren(self, parent=None): | 236 def hasChildren(self, parent=None): |
| 214 """ | 237 """ |
| 215 Public method to check, if an entry has some children. | 238 Public method to check, if an entry has some children. |
| 216 | 239 |
| 217 @param parent index of the entry to check (QModelIndex) | 240 @param parent index of the entry to check |
| 218 @return flag indicating the presence of children (boolean) | 241 @type QModelIndex |
| 242 @return flag indicating the presence of children | |
| 243 @rtype bool | |
| 219 """ | 244 """ |
| 220 if parent is None: | 245 if parent is None: |
| 221 parent = QModelIndex() | 246 parent = QModelIndex() |
| 222 | 247 |
| 223 grandparent = parent.parent() | 248 grandparent = parent.parent() |
| 227 | 252 |
| 228 def flags(self, index): | 253 def flags(self, index): |
| 229 """ | 254 """ |
| 230 Public method to get the item flags. | 255 Public method to get the item flags. |
| 231 | 256 |
| 232 @param index index of the item (QModelIndex) | 257 @param index index of the item |
| 233 @return flags (Qt.ItemFlags) | 258 @type QModelIndex |
| 259 @return flags | |
| 260 @rtype Qt.ItemFlags | |
| 234 """ | 261 """ |
| 235 return ( | 262 return ( |
| 236 Qt.ItemFlag.NoItemFlags | 263 Qt.ItemFlag.NoItemFlags |
| 237 if not index.isValid() | 264 if not index.isValid() |
| 238 else ( | 265 else ( |
| 244 | 271 |
| 245 def setSourceModel(self, sourceModel): | 272 def setSourceModel(self, sourceModel): |
| 246 """ | 273 """ |
| 247 Public method to set the source model. | 274 Public method to set the source model. |
| 248 | 275 |
| 249 @param sourceModel reference to the source model (QAbstractItemModel) | 276 @param sourceModel reference to the source model |
| 277 @type QAbstractItemModel | |
| 250 """ | 278 """ |
| 251 if self.sourceModel() is not None: | 279 if self.sourceModel() is not None: |
| 252 self.sourceModel().modelReset.disconnect(self.__sourceReset) | 280 self.sourceModel().modelReset.disconnect(self.__sourceReset) |
| 253 self.sourceModel().layoutChanged.disconnect(self.__sourceReset) | 281 self.sourceModel().layoutChanged.disconnect(self.__sourceReset) |
| 254 self.sourceModel().rowsInserted.disconnect(self.__sourceRowsInserted) | 282 self.sourceModel().rowsInserted.disconnect(self.__sourceRowsInserted) |
| 276 | 304 |
| 277 def __sourceRowsInserted(self, parent, start, end): | 305 def __sourceRowsInserted(self, parent, start, end): |
| 278 """ | 306 """ |
| 279 Private slot to handle the insertion of data in the source model. | 307 Private slot to handle the insertion of data in the source model. |
| 280 | 308 |
| 281 @param parent reference to the parent index (QModelIndex) | 309 @param parent reference to the parent index |
| 282 @param start start row (integer) | 310 @type QModelIndex |
| 283 @param end end row (integer) | 311 @param start start row |
| 312 @type int | |
| 313 @param end end row | |
| 314 @type int | |
| 284 """ | 315 """ |
| 285 if not parent.isValid(): | 316 if not parent.isValid(): |
| 286 if start != 0 or start != end: | 317 if start != 0 or start != end: |
| 287 self.beginResetModel() | 318 self.beginResetModel() |
| 288 self.__sourceRowCache = [] | 319 self.__sourceRowCache = [] |
| 301 | 332 |
| 302 def mapFromSource(self, sourceIndex): | 333 def mapFromSource(self, sourceIndex): |
| 303 """ | 334 """ |
| 304 Public method to map an index to the proxy model index. | 335 Public method to map an index to the proxy model index. |
| 305 | 336 |
| 306 @param sourceIndex reference to a source model index (QModelIndex) | 337 @param sourceIndex reference to a source model index |
| 307 @return proxy model index (QModelIndex) | 338 @type QModelIndex |
| 339 @return proxy model index | |
| 340 @rtype QModelIndex | |
| 308 """ | 341 """ |
| 309 if not sourceIndex.isValid(): | 342 if not sourceIndex.isValid(): |
| 310 return QModelIndex() | 343 return QModelIndex() |
| 311 | 344 |
| 312 if len(self.__sourceRowCache) == 0: | 345 if len(self.__sourceRowCache) == 0: |
| 327 | 360 |
| 328 def removeRows(self, row, count, parent=None): | 361 def removeRows(self, row, count, parent=None): |
| 329 """ | 362 """ |
| 330 Public method to remove entries from the model. | 363 Public method to remove entries from the model. |
| 331 | 364 |
| 332 @param row row of the first entry to remove (integer) | 365 @param row row of the first entry to remove |
| 333 @param count number of entries to remove (integer) | 366 @type int |
| 334 @param parent index of the parent entry (QModelIndex) | 367 @param count number of entries to remove |
| 335 @return flag indicating successful removal (boolean) | 368 @type int |
| 369 @param parent index of the parent entry | |
| 370 @type QModelIndex | |
| 371 @return flag indicating successful removal | |
| 372 @rtype bool | |
| 336 """ | 373 """ |
| 337 if parent is None: | 374 if parent is None: |
| 338 parent = QModelIndex() | 375 parent = QModelIndex() |
| 339 | 376 |
| 340 if row < 0 or count <= 0 or row + count > self.rowCount(parent): | 377 if row < 0 or count <= 0 or row + count > self.rowCount(parent): |
| 360 | 397 |
| 361 def __sourceRowsRemoved(self, parent, start, end): | 398 def __sourceRowsRemoved(self, parent, start, end): |
| 362 """ | 399 """ |
| 363 Private slot to handle the removal of data in the source model. | 400 Private slot to handle the removal of data in the source model. |
| 364 | 401 |
| 365 @param parent reference to the parent index (QModelIndex) | 402 @param parent reference to the parent index |
| 366 @param start start row (integer) | 403 @type QModelIndex |
| 367 @param end end row (integer) | 404 @param start start row |
| 405 @type int | |
| 406 @param end end row | |
| 407 @type int | |
| 368 """ | 408 """ |
| 369 if not self.__removingDown: | 409 if not self.__removingDown: |
| 370 self.beginResetModel() | 410 self.beginResetModel() |
| 371 self.__sourceRowCache = [] | 411 self.__sourceRowCache = [] |
| 372 self.endResetModel() | 412 self.endResetModel() |
