Mercurial Repositories > eric / file comparison
comparison: src/eric7/Debugger/WatchPointModel.py
src/eric7/Debugger/WatchPointModel.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 9161
- 90939b08da20
- child 9221
- bf71ee032bb4
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2006 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Watch expression model. | |
| 8 """ | |
| 9 | |
| 10 import copy | |
| 11 | |
| 12 from PyQt6.QtCore import pyqtSignal, Qt, QAbstractItemModel, QModelIndex | |
| 13 | |
| 14 | |
| 15 # TODO: change column numbers to class attributes | |
| 16 class WatchPointModel(QAbstractItemModel): | |
| 17 """ | |
| 18 Class implementing a custom model for watch expressions. | |
| 19 | |
| 20 @signal dataAboutToBeChanged(QModelIndex, QModelIndex) emitted to indicate | |
| 21 a change of the data | |
| 22 """ | |
| 23 dataAboutToBeChanged = pyqtSignal(QModelIndex, QModelIndex) | |
| 24 | |
| 25 def __init__(self, parent=None): | |
| 26 """ | |
| 27 Constructor | |
| 28 | |
| 29 @param parent reference to the parent widget (QObject) | |
| 30 """ | |
| 31 super().__init__(parent) | |
| 32 | |
| 33 self.watchpoints = [] | |
| 34 self.header = [ | |
| 35 self.tr("Condition"), | |
| 36 self.tr("Special"), | |
| 37 self.tr('Temporary'), | |
| 38 self.tr('Enabled'), | |
| 39 self.tr('Ignore Count'), | |
| 40 ] | |
| 41 self.alignments = [Qt.AlignmentFlag.AlignLeft, | |
| 42 Qt.AlignmentFlag.AlignLeft, | |
| 43 Qt.AlignmentFlag.AlignHCenter, | |
| 44 Qt.AlignmentFlag.AlignHCenter, | |
| 45 Qt.AlignmentFlag.AlignRight, | |
| 46 ] | |
| 47 | |
| 48 def columnCount(self, parent=None): | |
| 49 """ | |
| 50 Public method to get the current column count. | |
| 51 | |
| 52 @param parent index of the parent item (QModelIndex) (Unused) | |
| 53 @return column count (integer) | |
| 54 """ | |
| 55 return len(self.header) | |
| 56 | |
| 57 def rowCount(self, parent=None): | |
| 58 """ | |
| 59 Public method to get the current row count. | |
| 60 | |
| 61 @param parent index of the parent item (QModelIndex) | |
| 62 @return row count (integer) | |
| 63 """ | |
| 64 # we do not have a tree, parent should always be invalid | |
| 65 if parent is None or not parent.isValid(): | |
| 66 return len(self.watchpoints) | |
| 67 else: | |
| 68 return 0 | |
| 69 | |
| 70 def data(self, index, role): | |
| 71 """ | |
| 72 Public method to get the requested data. | |
| 73 | |
| 74 @param index index of the requested data (QModelIndex) | |
| 75 @param role role of the requested data (Qt.ItemDataRole) | |
| 76 @return the requested data | |
| 77 """ | |
| 78 if not index.isValid(): | |
| 79 return None | |
| 80 | |
| 81 if ( | |
| 82 role == Qt.ItemDataRole.DisplayRole and | |
| 83 index.column() in [0, 1, 4] | |
| 84 ): | |
| 85 return self.watchpoints[index.row()][index.column()] | |
| 86 | |
| 87 if ( | |
| 88 role == Qt.ItemDataRole.CheckStateRole and | |
| 89 index.column() in [2, 3] | |
| 90 ): | |
| 91 if self.watchpoints[index.row()][index.column()]: | |
| 92 return Qt.CheckState.Checked | |
| 93 else: | |
| 94 return Qt.CheckState.Unchecked | |
| 95 | |
| 96 if ( | |
| 97 role == Qt.ItemDataRole.ToolTipRole and | |
| 98 index.column() in [0, 1] | |
| 99 ): | |
| 100 return self.watchpoints[index.row()][index.column()] | |
| 101 | |
| 102 if ( | |
| 103 role == Qt.ItemDataRole.TextAlignmentRole and | |
| 104 index.column() < len(self.alignments) | |
| 105 ): | |
| 106 return self.alignments[index.column()].value | |
| 107 | |
| 108 return None | |
| 109 | |
| 110 def flags(self, index): | |
| 111 """ | |
| 112 Public method to get item flags. | |
| 113 | |
| 114 @param index index of the requested flags (QModelIndex) | |
| 115 @return item flags for the given index (Qt.ItemFlags) | |
| 116 """ | |
| 117 if not index.isValid(): | |
| 118 return Qt.ItemFlag.ItemIsEnabled | |
| 119 | |
| 120 return Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsSelectable | |
| 121 | |
| 122 def headerData(self, section, orientation, | |
| 123 role=Qt.ItemDataRole.DisplayRole): | |
| 124 """ | |
| 125 Public method to get header data. | |
| 126 | |
| 127 @param section section number of the requested header data (integer) | |
| 128 @param orientation orientation of the header (Qt.Orientation) | |
| 129 @param role role of the requested data (Qt.ItemDataRole) | |
| 130 @return header data | |
| 131 """ | |
| 132 if ( | |
| 133 orientation == Qt.Orientation.Horizontal and | |
| 134 role == Qt.ItemDataRole.DisplayRole | |
| 135 ): | |
| 136 if section >= len(self.header): | |
| 137 return "" | |
| 138 else: | |
| 139 return self.header[section] | |
| 140 | |
| 141 return None | |
| 142 | |
| 143 def index(self, row, column, parent=None): | |
| 144 """ | |
| 145 Public method to create an index. | |
| 146 | |
| 147 @param row row number for the index (integer) | |
| 148 @param column column number for the index (integer) | |
| 149 @param parent index of the parent item (QModelIndex) | |
| 150 @return requested index (QModelIndex) | |
| 151 """ | |
| 152 if ( | |
| 153 (parent and parent.isValid()) or | |
| 154 row < 0 or | |
| 155 row >= len(self.watchpoints) or | |
| 156 column < 0 or | |
| 157 column >= len(self.header) | |
| 158 ): | |
| 159 return QModelIndex() | |
| 160 | |
| 161 return self.createIndex(row, column, self.watchpoints[row]) | |
| 162 | |
| 163 def parent(self, index): | |
| 164 """ | |
| 165 Public method to get the parent index. | |
| 166 | |
| 167 @param index index of item to get parent (QModelIndex) | |
| 168 @return index of parent (QModelIndex) | |
| 169 """ | |
| 170 return QModelIndex() | |
| 171 | |
| 172 def hasChildren(self, parent=None): | |
| 173 """ | |
| 174 Public method to check for the presence of child items. | |
| 175 | |
| 176 @param parent index of parent item (QModelIndex) | |
| 177 @return flag indicating the presence of child items (boolean) | |
| 178 """ | |
| 179 if parent is None or not parent.isValid(): | |
| 180 return len(self.watchpoints) > 0 | |
| 181 else: | |
| 182 return False | |
| 183 | |
| 184 ########################################################################### | |
| 185 | |
| 186 def addWatchPoint(self, cond, special, properties): | |
| 187 """ | |
| 188 Public method to add a new watch expression to the list. | |
| 189 | |
| 190 @param cond expression of the watch expression | |
| 191 @type str | |
| 192 @param special special condition of the watch expression | |
| 193 @type str | |
| 194 @param properties properties of the watch expression | |
| 195 (tuple of temporary flag, enabled flag, ignore count) | |
| 196 @type tuple of (bool, bool, int) | |
| 197 """ | |
| 198 wp = [cond, special] + list(properties) | |
| 199 cnt = len(self.watchpoints) | |
| 200 self.beginInsertRows(QModelIndex(), cnt, cnt) | |
| 201 self.watchpoints.append(wp) | |
| 202 self.endInsertRows() | |
| 203 | |
| 204 def addWatchPoints(self, watchpoints): | |
| 205 """ | |
| 206 Public method to add multiple watch expressions to the list. | |
| 207 | |
| 208 @param watchpoints list of watch expressions with expression, special | |
| 209 condition, temporary flag, enabled flag and ignore count each | |
| 210 @type list of (str, str, bool, bool, int) | |
| 211 """ | |
| 212 cnt = len(self.watchpoints) | |
| 213 self.beginInsertRows(QModelIndex(), cnt, cnt + len(watchpoints) - 1) | |
| 214 self.watchpoints += watchpoints | |
| 215 self.endInsertRows() | |
| 216 | |
| 217 def setWatchPointByIndex(self, index, cond, special, properties): | |
| 218 """ | |
| 219 Public method to set the values of a watch expression given by index. | |
| 220 | |
| 221 @param index index of the watch expression (QModelIndex) | |
| 222 @param cond expression of the watch expression (string) | |
| 223 @param special special condition of the watch expression (string) | |
| 224 @param properties properties of the watch expression | |
| 225 (tuple of temporary flag (bool), enabled flag (bool), | |
| 226 ignore count (integer)) | |
| 227 """ | |
| 228 if index.isValid(): | |
| 229 row = index.row() | |
| 230 index1 = self.createIndex(row, 0, self.watchpoints[row]) | |
| 231 index2 = self.createIndex( | |
| 232 row, len(self.watchpoints[row]) - 1, self.watchpoints[row]) | |
| 233 self.dataAboutToBeChanged.emit(index1, index2) | |
| 234 self.watchpoints[row] = [cond, special] + list(properties) | |
| 235 self.dataChanged.emit(index1, index2) | |
| 236 | |
| 237 def setWatchPointEnabledByIndex(self, index, enabled): | |
| 238 """ | |
| 239 Public method to set the enabled state of a watch expression given by | |
| 240 index. | |
| 241 | |
| 242 @param index index of the watch expression (QModelIndex) | |
| 243 @param enabled flag giving the enabled state (boolean) | |
| 244 """ | |
| 245 if index.isValid(): | |
| 246 row = index.row() | |
| 247 col = 3 | |
| 248 index1 = self.createIndex(row, col, self.watchpoints[row]) | |
| 249 self.dataAboutToBeChanged.emit(index1, index1) | |
| 250 self.watchpoints[row][col] = enabled | |
| 251 self.dataChanged.emit(index1, index1) | |
| 252 | |
| 253 def deleteWatchPointByIndex(self, index): | |
| 254 """ | |
| 255 Public method to set the values of a watch expression given by index. | |
| 256 | |
| 257 @param index index of the watch expression (QModelIndex) | |
| 258 """ | |
| 259 if index.isValid(): | |
| 260 row = index.row() | |
| 261 self.beginRemoveRows(QModelIndex(), row, row) | |
| 262 del self.watchpoints[row] | |
| 263 self.endRemoveRows() | |
| 264 | |
| 265 def deleteWatchPoints(self, idxList): | |
| 266 """ | |
| 267 Public method to delete a list of watch expressions given by their | |
| 268 indexes. | |
| 269 | |
| 270 @param idxList list of watch expression indexes (list of QModelIndex) | |
| 271 """ | |
| 272 rows = [] | |
| 273 for index in idxList: | |
| 274 if index.isValid(): | |
| 275 rows.append(index.row()) | |
| 276 rows.sort(reverse=True) | |
| 277 for row in rows: | |
| 278 if row < len(self.breakpoints): | |
| 279 self.beginRemoveRows(QModelIndex(), row, row) | |
| 280 del self.watchpoints[row] | |
| 281 self.endRemoveRows() | |
| 282 | |
| 283 def deleteAll(self): | |
| 284 """ | |
| 285 Public method to delete all watch expressions. | |
| 286 """ | |
| 287 if self.watchpoints: | |
| 288 self.beginRemoveRows(QModelIndex(), 0, len(self.watchpoints) - 1) | |
| 289 self.watchpoints = [] | |
| 290 self.endRemoveRows() | |
| 291 | |
| 292 def getWatchPointByIndex(self, index): | |
| 293 """ | |
| 294 Public method to get the values of a watch expression given by index. | |
| 295 | |
| 296 @param index index of the watch expression (QModelIndex) | |
| 297 @return watch expression (list of six values (expression, | |
| 298 special condition, temporary flag, enabled flag, ignore count)) | |
| 299 @rtype tuple of (str, str, bool, bool, int) | |
| 300 """ | |
| 301 if index.isValid(): | |
| 302 return self.watchpoints[index.row()][:] # return a copy | |
| 303 else: | |
| 304 return [] | |
| 305 | |
| 306 def getAllWatchpoints(self): | |
| 307 """ | |
| 308 Public method to get the list of watchpoints. | |
| 309 | |
| 310 @return list of watchpoints | |
| 311 @rtype list of list of [str, str, bool, bool, int] | |
| 312 """ | |
| 313 return copy.deepcopy(self.watchpoints) | |
| 314 | |
| 315 def getWatchPointIndex(self, cond, special=""): | |
| 316 """ | |
| 317 Public method to get the index of a watch expression given by | |
| 318 expression. | |
| 319 | |
| 320 @param cond expression of the watch expression (string) | |
| 321 @param special special condition of the watch expression (string) | |
| 322 @return index (QModelIndex) | |
| 323 """ | |
| 324 for row in range(len(self.watchpoints)): | |
| 325 wp = self.watchpoints[row] | |
| 326 if wp[0] == cond: | |
| 327 if special and wp[1] != special: | |
| 328 continue | |
| 329 return self.createIndex(row, 0, self.watchpoints[row]) | |
| 330 | |
| 331 return QModelIndex() |
