Mercurial Repositories > eric / file comparison
comparison: Helpviewer/History/HistoryTreeModel.py
Helpviewer/History/HistoryTreeModel.py
- changeset 945
- 8cd4d08fa9f6
- parent 791
- 9ec2ac20e54e
- child 1112
- 8a7d1b9d18db
equal
deleted
inserted
replaced
| 944:1b59c4ba121e | 945:8cd4d08fa9f6 |
|---|---|
| 13 from PyQt4.QtGui import QAbstractProxyModel | 13 from PyQt4.QtGui import QAbstractProxyModel |
| 14 | 14 |
| 15 from .HistoryModel import HistoryModel | 15 from .HistoryModel import HistoryModel |
| 16 | 16 |
| 17 import UI.PixmapCache | 17 import UI.PixmapCache |
| 18 | |
| 18 | 19 |
| 19 class HistoryTreeModel(QAbstractProxyModel): | 20 class HistoryTreeModel(QAbstractProxyModel): |
| 20 """ | 21 """ |
| 21 Class implementing the history tree model. | 22 Class implementing the history tree model. |
| 22 """ | 23 """ |
| 23 def __init__(self, sourceModel, parent = None): | 24 def __init__(self, sourceModel, parent=None): |
| 24 """ | 25 """ |
| 25 Constructor | 26 Constructor |
| 26 | 27 |
| 27 @param sourceModel reference to the source model (QAbstractItemModel) | 28 @param sourceModel reference to the source model (QAbstractItemModel) |
| 28 @param parent reference to the parent object (QObject) | 29 @param parent reference to the parent object (QObject) |
| 32 self.__sourceRowCache = [] | 33 self.__sourceRowCache = [] |
| 33 self.__removingDown = False | 34 self.__removingDown = False |
| 34 | 35 |
| 35 self.setSourceModel(sourceModel) | 36 self.setSourceModel(sourceModel) |
| 36 | 37 |
| 37 def headerData(self, section, orientation, role = Qt.DisplayRole): | 38 def headerData(self, section, orientation, role=Qt.DisplayRole): |
| 38 """ | 39 """ |
| 39 Public method to get the header data. | 40 Public method to get the header data. |
| 40 | 41 |
| 41 @param section section number (integer) | 42 @param section section number (integer) |
| 42 @param orientation header orientation (Qt.Orientation) | 43 @param orientation header orientation (Qt.Orientation) |
| 43 @param role data role (integer) | 44 @param role data role (integer) |
| 44 @return header data | 45 @return header data |
| 45 """ | 46 """ |
| 46 return self.sourceModel().headerData(section, orientation, role) | 47 return self.sourceModel().headerData(section, orientation, role) |
| 47 | 48 |
| 48 def data(self, index, role = Qt.DisplayRole): | 49 def data(self, index, role=Qt.DisplayRole): |
| 49 """ | 50 """ |
| 50 Public method to get data from the model. | 51 Public method to get data from the model. |
| 51 | 52 |
| 52 @param index index of history entry to get data for (QModelIndex) | 53 @param index index of history entry to get data for (QModelIndex) |
| 53 @param role data role (integer) | 54 @param role data role (integer) |
| 77 idx = self.sourceModel().index(offset, 0) | 78 idx = self.sourceModel().index(offset, 0) |
| 78 return idx.data(HistoryModel.DateRole) | 79 return idx.data(HistoryModel.DateRole) |
| 79 | 80 |
| 80 return QAbstractProxyModel.data(self, index, role) | 81 return QAbstractProxyModel.data(self, index, role) |
| 81 | 82 |
| 82 def columnCount(self, parent = QModelIndex()): | 83 def columnCount(self, parent=QModelIndex()): |
| 83 """ | 84 """ |
| 84 Public method to get the number of columns. | 85 Public method to get the number of columns. |
| 85 | 86 |
| 86 @param parent index of parent (QModelIndex) | 87 @param parent index of parent (QModelIndex) |
| 87 @return number of columns (integer) | 88 @return number of columns (integer) |
| 88 """ | 89 """ |
| 89 return self.sourceModel().columnCount(self.mapToSource(parent)) | 90 return self.sourceModel().columnCount(self.mapToSource(parent)) |
| 90 | 91 |
| 91 def rowCount(self, parent = QModelIndex()): | 92 def rowCount(self, parent=QModelIndex()): |
| 92 """ | 93 """ |
| 93 Public method to determine the number of rows. | 94 Public method to determine the number of rows. |
| 94 | 95 |
| 95 @param parent index of parent (QModelIndex) | 96 @param parent index of parent (QModelIndex) |
| 96 @return number of rows (integer) | 97 @return number of rows (integer) |
| 123 end = self.__sourceDateRow(parent.row() + 1) | 124 end = self.__sourceDateRow(parent.row() + 1) |
| 124 return end - start | 125 return end - start |
| 125 | 126 |
| 126 def __sourceDateRow(self, row): | 127 def __sourceDateRow(self, row): |
| 127 """ | 128 """ |
| 128 Private method to translate the top level date row into the offset | 129 Private method to translate the top level date row into the offset |
| 129 where that date starts. | 130 where that date starts. |
| 130 | 131 |
| 131 @param row row number of the date (integer) | 132 @param row row number of the date (integer) |
| 132 @return offset where that date starts (integer) | 133 @return offset where that date starts (integer) |
| 133 """ | 134 """ |
| 156 return QModelIndex() | 157 return QModelIndex() |
| 157 startDateRow = self.__sourceDateRow(offset - 1) | 158 startDateRow = self.__sourceDateRow(offset - 1) |
| 158 return self.sourceModel().index( | 159 return self.sourceModel().index( |
| 159 startDateRow + proxyIndex.row(), proxyIndex.column()) | 160 startDateRow + proxyIndex.row(), proxyIndex.column()) |
| 160 | 161 |
| 161 def index(self, row, column, parent = QModelIndex()): | 162 def index(self, row, column, parent=QModelIndex()): |
| 162 """ | 163 """ |
| 163 Public method to create an index. | 164 Public method to create an index. |
| 164 | 165 |
| 165 @param row row number for the index (integer) | 166 @param row row number for the index (integer) |
| 166 @param column column number for the index (integer) | 167 @param column column number for the index (integer) |
| 187 offset = index.internalId() | 188 offset = index.internalId() |
| 188 if offset == 0 or not index.isValid(): | 189 if offset == 0 or not index.isValid(): |
| 189 return QModelIndex() | 190 return QModelIndex() |
| 190 return self.createIndex(offset - 1, 0, 0) | 191 return self.createIndex(offset - 1, 0, 0) |
| 191 | 192 |
| 192 def hasChildren(self, parent = QModelIndex()): | 193 def hasChildren(self, parent=QModelIndex()): |
| 193 """ | 194 """ |
| 194 Public method to check, if an entry has some children. | 195 Public method to check, if an entry has some children. |
| 195 | 196 |
| 196 @param parent index of the entry to check (QModelIndex) | 197 @param parent index of the entry to check (QModelIndex) |
| 197 @return flag indicating the presence of children (boolean) | 198 @return flag indicating the presence of children (boolean) |
| 288 row -= 1 | 289 row -= 1 |
| 289 dateRow = max(0, row) | 290 dateRow = max(0, row) |
| 290 row = sourceIndex.row() - self.__sourceRowCache[dateRow] | 291 row = sourceIndex.row() - self.__sourceRowCache[dateRow] |
| 291 return self.createIndex(row, sourceIndex.column(), dateRow + 1) | 292 return self.createIndex(row, sourceIndex.column(), dateRow + 1) |
| 292 | 293 |
| 293 def removeRows(self, row, count, parent = QModelIndex()): | 294 def removeRows(self, row, count, parent=QModelIndex()): |
| 294 """ | 295 """ |
| 295 Public method to remove entries from the model. | 296 Public method to remove entries from the model. |
| 296 | 297 |
| 297 @param row row of the first entry to remove (integer) | 298 @param row row of the first entry to remove (integer) |
| 298 @param count number of entries to remove (integer) | 299 @param count number of entries to remove (integer) |
