Mercurial Repositories > eric / file comparison
comparison: eric7/EricWidgets/EricTreeView.py
eric7/EricWidgets/EricTreeView.py
- branch
- eric7
- changeset 8358
- 144a6b854f70
- parent 8356
- 68ec9c3d4de5
- child 8761
- f05818ae6431
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| 8357:a081458cc57b | 8358:144a6b854f70 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing specialized tree views. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import Qt | |
| 11 from PyQt6.QtWidgets import QTreeView | |
| 12 | |
| 13 | |
| 14 class EricTreeView(QTreeView): | |
| 15 """ | |
| 16 Class implementing a tree view supporting removal of entries. | |
| 17 """ | |
| 18 def keyPressEvent(self, evt): | |
| 19 """ | |
| 20 Protected method implementing special key handling. | |
| 21 | |
| 22 @param evt reference to the event (QKeyEvent) | |
| 23 """ | |
| 24 if ( | |
| 25 evt.key() in [Qt.Key.Key_Delete, Qt.Key.Key_Backspace] and | |
| 26 self.model() is not None | |
| 27 ): | |
| 28 self.removeSelected() | |
| 29 evt.setAccepted(True) | |
| 30 else: | |
| 31 super().keyPressEvent(evt) | |
| 32 | |
| 33 def removeSelected(self): | |
| 34 """ | |
| 35 Public method to remove the selected entries. | |
| 36 """ | |
| 37 if ( | |
| 38 self.model() is None or | |
| 39 self.selectionModel() is None or | |
| 40 not self.selectionModel().hasSelection() | |
| 41 ): | |
| 42 # no models available or nothing selected | |
| 43 return | |
| 44 | |
| 45 selectedRows = self.selectionModel().selectedRows() | |
| 46 for idx in reversed(sorted(selectedRows)): | |
| 47 self.model().removeRow(idx.row(), idx.parent()) | |
| 48 | |
| 49 def removeAll(self): | |
| 50 """ | |
| 51 Public method to clear the view. | |
| 52 """ | |
| 53 if self.model() is not None: | |
| 54 self.model().removeRows(0, self.model().rowCount(self.rootIndex()), | |
| 55 self.rootIndex()) |
