Mercurial Repositories > eric / file comparison
comparison: Debugger/BreakPointModel.py
Debugger/BreakPointModel.py
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- child 7
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2006 - 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Breakpoint model. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import * | |
| 11 | |
| 12 class BreakPointModel(QAbstractItemModel): | |
| 13 """ | |
| 14 Class implementing a custom model for breakpoints. | |
| 15 """ | |
| 16 def __init__(self, parent = None): | |
| 17 """ | |
| 18 Constructor | |
| 19 | |
| 20 @param reference to the parent widget (QObject) | |
| 21 """ | |
| 22 QObject.__init__(self, parent) | |
| 23 | |
| 24 self.breakpoints = [] | |
| 25 self.header = [ | |
| 26 QVariant(self.trUtf8("Filename")), | |
| 27 QVariant(self.trUtf8("Line")), | |
| 28 QVariant(self.trUtf8('Condition')), | |
| 29 QVariant(self.trUtf8('Temporary')), | |
| 30 QVariant(self.trUtf8('Enabled')), | |
| 31 QVariant(self.trUtf8('Ignore Count')), | |
| 32 ] | |
| 33 self.alignments = [QVariant(Qt.Alignment(Qt.AlignLeft)), | |
| 34 QVariant(Qt.Alignment(Qt.AlignRight)), | |
| 35 QVariant(Qt.Alignment(Qt.AlignLeft)), | |
| 36 QVariant(Qt.Alignment(Qt.AlignHCenter)), | |
| 37 QVariant(Qt.Alignment(Qt.AlignHCenter)), | |
| 38 QVariant(Qt.Alignment(Qt.AlignRight)), | |
| 39 QVariant(Qt.Alignment(Qt.AlignHCenter)), | |
| 40 ] | |
| 41 | |
| 42 def columnCount(self, parent = QModelIndex()): | |
| 43 """ | |
| 44 Public method to get the current column count. | |
| 45 | |
| 46 @return column count (integer) | |
| 47 """ | |
| 48 return len(self.header) + 1 | |
| 49 | |
| 50 def rowCount(self, parent = QModelIndex()): | |
| 51 """ | |
| 52 Public method to get the current row count. | |
| 53 | |
| 54 @return row count (integer) | |
| 55 """ | |
| 56 # we do not have a tree, parent should always be invalid | |
| 57 if not parent.isValid(): | |
| 58 return len(self.breakpoints) | |
| 59 else: | |
| 60 return 0 | |
| 61 | |
| 62 def data(self, index, role): | |
| 63 """ | |
| 64 Public method to get the requested data. | |
| 65 | |
| 66 @param index index of the requested data (QModelIndex) | |
| 67 @param role role of the requested data (Qt.ItemDataRole) | |
| 68 @return the requested data (QVariant) | |
| 69 """ | |
| 70 if not index.isValid(): | |
| 71 return QVariant() | |
| 72 | |
| 73 if role == Qt.DisplayRole or role == Qt.ToolTipRole: | |
| 74 if index.column() < len(self.header): | |
| 75 return QVariant(self.breakpoints[index.row()][index.column()]) | |
| 76 | |
| 77 if role == Qt.TextAlignmentRole: | |
| 78 if index.column() < len(self.alignments): | |
| 79 return self.alignments[index.column()] | |
| 80 | |
| 81 return QVariant() | |
| 82 | |
| 83 def flags(self, index): | |
| 84 """ | |
| 85 Public method to get item flags. | |
| 86 | |
| 87 @param index index of the requested flags (QModelIndex) | |
| 88 @return item flags for the given index (Qt.ItemFlags) | |
| 89 """ | |
| 90 if not index.isValid(): | |
| 91 return Qt.ItemIsEnabled | |
| 92 | |
| 93 return Qt.ItemIsEnabled | Qt.ItemIsSelectable | |
| 94 | |
| 95 def headerData(self, section, orientation, role = Qt.DisplayRole): | |
| 96 """ | |
| 97 Public method to get header data. | |
| 98 | |
| 99 @param section section number of the requested header data (integer) | |
| 100 @param orientation orientation of the header (Qt.Orientation) | |
| 101 @param role role of the requested data (Qt.ItemDataRole) | |
| 102 @return header data (QVariant) | |
| 103 """ | |
| 104 if orientation == Qt.Horizontal and role == Qt.DisplayRole: | |
| 105 if section >= len(self.header): | |
| 106 return QVariant("") | |
| 107 else: | |
| 108 return self.header[section] | |
| 109 | |
| 110 return QVariant() | |
| 111 | |
| 112 def index(self, row, column, parent = QModelIndex()): | |
| 113 """ | |
| 114 Public method to create an index. | |
| 115 | |
| 116 @param row row number for the index (integer) | |
| 117 @param column column number for the index (integer) | |
| 118 @param parent index of the parent item (QModelIndex) | |
| 119 @return requested index (QModelIndex) | |
| 120 """ | |
| 121 if parent.isValid() or \ | |
| 122 row < 0 or row >= len(self.breakpoints) or \ | |
| 123 column < 0 or column >= len(self.header): | |
| 124 return QModelIndex() | |
| 125 | |
| 126 return self.createIndex(row, column, self.breakpoints[row]) | |
| 127 | |
| 128 def parent(self, index): | |
| 129 """ | |
| 130 Public method to get the parent index. | |
| 131 | |
| 132 @param index index of item to get parent (QModelIndex) | |
| 133 @return index of parent (QModelIndex) | |
| 134 """ | |
| 135 return QModelIndex() | |
| 136 | |
| 137 def hasChildren(self, parent = QModelIndex()): | |
| 138 """ | |
| 139 Public method to check for the presence of child items. | |
| 140 | |
| 141 @param parent index of parent item (QModelIndex) | |
| 142 @return flag indicating the presence of child items (boolean) | |
| 143 """ | |
| 144 if not parent.isValid(): | |
| 145 return len(self.breakpoints) > 0 | |
| 146 else: | |
| 147 return False | |
| 148 | |
| 149 ############################################################################ | |
| 150 | |
| 151 def addBreakPoint(self, fn, line, properties): | |
| 152 """ | |
| 153 Public method to add a new breakpoint to the list. | |
| 154 | |
| 155 @param fn filename of the breakpoint (string) | |
| 156 @param line line number of the breakpoint (integer) | |
| 157 @param properties properties of the breakpoint | |
| 158 (tuple of condition (string), temporary flag (bool), | |
| 159 enabled flag (bool), ignore count (integer)) | |
| 160 """ | |
| 161 bp = [fn, line] + list(properties) | |
| 162 cnt = len(self.breakpoints) | |
| 163 self.beginInsertRows(QModelIndex(), cnt, cnt) | |
| 164 self.breakpoints.append(bp) | |
| 165 self.endInsertRows() | |
| 166 | |
| 167 def setBreakPointByIndex(self, index, fn, line, properties): | |
| 168 """ | |
| 169 Public method to set the values of a breakpoint given by index. | |
| 170 | |
| 171 @param index index of the breakpoint (QModelIndex) | |
| 172 @param fn filename of the breakpoint (string) | |
| 173 @param line line number of the breakpoint (integer) | |
| 174 @param properties properties of the breakpoint | |
| 175 (tuple of condition (string), temporary flag (bool), | |
| 176 enabled flag (bool), ignore count (integer)) | |
| 177 """ | |
| 178 if index.isValid(): | |
| 179 row = index.row() | |
| 180 index1 = self.createIndex(row, 0, self.breakpoints[row]) | |
| 181 index2 = self.createIndex(row, len(self.breakpoints[row]), | |
| 182 self.breakpoints[row]) | |
| 183 self.emit(\ | |
| 184 SIGNAL("dataAboutToBeChanged(const QModelIndex &, const QModelIndex &)"), | |
| 185 index1, index2) | |
| 186 i = 0 | |
| 187 for value in [fn, line] + list(properties): | |
| 188 self.breakpoints[row][i] = value | |
| 189 i += 1 | |
| 190 self.emit(SIGNAL("dataChanged(const QModelIndex &, const QModelIndex &)"), | |
| 191 index1, index2) | |
| 192 | |
| 193 def setBreakPointEnabledByIndex(self, index, enabled): | |
| 194 """ | |
| 195 Public method to set the enabled state of a breakpoint given by index. | |
| 196 | |
| 197 @param index index of the breakpoint (QModelIndex) | |
| 198 @param enabled flag giving the enabled state (boolean) | |
| 199 """ | |
| 200 if index.isValid(): | |
| 201 row = index.row() | |
| 202 col = 4 | |
| 203 index1 = self.createIndex(row, col, self.breakpoints[row]) | |
| 204 self.emit(\ | |
| 205 SIGNAL("dataAboutToBeChanged(const QModelIndex &, const QModelIndex &)"), | |
| 206 index1, index1) | |
| 207 self.breakpoints[row][col] = enabled | |
| 208 self.emit(SIGNAL("dataChanged(const QModelIndex &, const QModelIndex &)"), | |
| 209 index1, index1) | |
| 210 | |
| 211 def deleteBreakPointByIndex(self, index): | |
| 212 """ | |
| 213 Public method to set the values of a breakpoint given by index. | |
| 214 | |
| 215 @param index index of the breakpoint (QModelIndex) | |
| 216 """ | |
| 217 if index.isValid(): | |
| 218 row = index.row() | |
| 219 self.beginRemoveRows(QModelIndex(), row, row) | |
| 220 del self.breakpoints[row] | |
| 221 self.endRemoveRows() | |
| 222 | |
| 223 def deleteBreakPoints(self, idxList): | |
| 224 """ | |
| 225 Public method to delete a list of breakpoints given by their indexes. | |
| 226 | |
| 227 @param idxList list of breakpoint indexes (list of QModelIndex) | |
| 228 """ | |
| 229 rows = [] | |
| 230 for index in idxList: | |
| 231 if index.isValid(): | |
| 232 rows.append(index.row()) | |
| 233 rows.sort(reverse = True) | |
| 234 for row in rows: | |
| 235 self.beginRemoveRows(QModelIndex(), row, row) | |
| 236 del self.breakpoints[row] | |
| 237 self.endRemoveRows() | |
| 238 | |
| 239 def deleteAll(self): | |
| 240 """ | |
| 241 Public method to delete all breakpoints. | |
| 242 """ | |
| 243 if self.breakpoints: | |
| 244 self.beginRemoveRows(QModelIndex(), 0, len(self.breakpoints) - 1) | |
| 245 self.breakpoints = [] | |
| 246 self.endRemoveRows() | |
| 247 | |
| 248 def getBreakPointByIndex(self, index): | |
| 249 """ | |
| 250 Public method to get the values of a breakpoint given by index. | |
| 251 | |
| 252 @param index index of the breakpoint (QModelIndex) | |
| 253 @return breakpoint (list of seven values (filename, line number, | |
| 254 condition, temporary flag, enabled flag, ignore count)) | |
| 255 """ | |
| 256 if index.isValid(): | |
| 257 return self.breakpoints[index.row()][:] # return a copy | |
| 258 else: | |
| 259 return [] | |
| 260 | |
| 261 def getBreakPointIndex(self, fn, lineno): | |
| 262 """ | |
| 263 Public method to get the index of a breakpoint given by filename and line number. | |
| 264 | |
| 265 @param fn filename of the breakpoint (string) | |
| 266 @param line line number of the breakpoint (integer) | |
| 267 @return index (QModelIndex) | |
| 268 """ | |
| 269 for row in range(len(self.breakpoints)): | |
| 270 bp = self.breakpoints[row] | |
| 271 if bp[0] == fn and bp[1] == lineno: | |
| 272 return self.createIndex(row, 0, self.breakpoints[row]) | |
| 273 | |
| 274 return QModelIndex() | |
| 275 | |
| 276 def isBreakPointTemporaryByIndex(self, index): | |
| 277 """ | |
| 278 Public method to test, if a breakpoint given by it's index is temporary. | |
| 279 | |
| 280 @param index index of the breakpoint to test (QModelIndex) | |
| 281 @return flag indicating a temporary breakpoint (boolean) | |
| 282 """ | |
| 283 if index.isValid(): | |
| 284 return self.breakpoints[index.row()][3] | |
| 285 else: | |
| 286 return False |
