Mercurial Repositories > eric / file comparison
comparison: eric6/E5Gui/E5TreeWidget.py
eric6/E5Gui/E5TreeWidget.py
- changeset 8268
- 6b8128e0c9d1
- parent 8234
- fcb6b4b96274
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| 8267:6baca884c73a | 8268:6b8128e0c9d1 |
|---|---|
| 5 | 5 |
| 6 """ | 6 """ |
| 7 Module implementing specialized tree views. | 7 Module implementing specialized tree views. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 import enum | |
| 11 | |
| 10 from PyQt5.QtCore import pyqtSignal, Qt | 12 from PyQt5.QtCore import pyqtSignal, Qt |
| 11 from PyQt5.QtWidgets import QTreeWidget, QTreeWidgetItem, QAbstractItemView | 13 from PyQt5.QtWidgets import QTreeWidget, QTreeWidgetItem, QAbstractItemView |
| 14 | |
| 15 | |
| 16 class E5TreeWidgetItemsState(enum.Enum): | |
| 17 """ | |
| 18 Class defining the items expansion state. | |
| 19 """ | |
| 20 COLLAPSED = 0 | |
| 21 EXPANDED = 1 | |
| 12 | 22 |
| 13 | 23 |
| 14 class E5TreeWidget(QTreeWidget): | 24 class E5TreeWidget(QTreeWidget): |
| 15 """ | 25 """ |
| 16 Class implementing an extended tree widget. | 26 Class implementing an extended tree widget. |
| 18 @signal itemControlClicked(QTreeWidgetItem) emitted after a Ctrl-Click | 28 @signal itemControlClicked(QTreeWidgetItem) emitted after a Ctrl-Click |
| 19 on an item | 29 on an item |
| 20 @signal itemMiddleButtonClicked(QTreeWidgetItem) emitted after a click | 30 @signal itemMiddleButtonClicked(QTreeWidgetItem) emitted after a click |
| 21 of the middle button on an item | 31 of the middle button on an item |
| 22 """ | 32 """ |
| 23 ItemsCollapsed = 0 | |
| 24 ItemsExpanded = 1 | |
| 25 | |
| 26 itemControlClicked = pyqtSignal(QTreeWidgetItem) | 33 itemControlClicked = pyqtSignal(QTreeWidgetItem) |
| 27 itemMiddleButtonClicked = pyqtSignal(QTreeWidgetItem) | 34 itemMiddleButtonClicked = pyqtSignal(QTreeWidgetItem) |
| 28 | 35 |
| 29 def __init__(self, parent=None): | 36 def __init__(self, parent=None): |
| 30 """ | 37 """ |
| 34 """ | 41 """ |
| 35 super().__init__(parent) | 42 super().__init__(parent) |
| 36 | 43 |
| 37 self.__refreshAllItemsNeeded = True | 44 self.__refreshAllItemsNeeded = True |
| 38 self.__allTreeItems = [] | 45 self.__allTreeItems = [] |
| 39 self.__showMode = E5TreeWidget.ItemsCollapsed | 46 self.__showMode = E5TreeWidgetItemsState.COLLAPSED |
| 40 | 47 |
| 41 self.setVerticalScrollMode(QAbstractItemView.ScrollMode.ScrollPerPixel) | 48 self.setVerticalScrollMode(QAbstractItemView.ScrollMode.ScrollPerPixel) |
| 42 | 49 |
| 43 self.itemChanged.connect(self.__scheduleRefresh) | 50 self.itemChanged.connect(self.__scheduleRefresh) |
| 44 | 51 |
| 45 def setDefaultItemShowMode(self, mode): | 52 def setDefaultItemShowMode(self, mode): |
| 46 """ | 53 """ |
| 47 Public method to set the default item show mode. | 54 Public method to set the default item show mode. |
| 48 | 55 |
| 49 @param mode default mode (ItemsCollapsed, ItemsExpanded) | 56 @param mode default mode |
| 50 @exception ValueError raised to indicate a bad parameter value | 57 @type E5TreeWidgetItemsState |
| 51 """ | 58 """ |
| 52 if mode not in [E5TreeWidget.ItemsCollapsed, | |
| 53 E5TreeWidget.ItemsExpanded]: | |
| 54 raise ValueError("Bad value for 'mode' parameter.") | |
| 55 | |
| 56 self.__showMode = mode | 59 self.__showMode = mode |
| 57 | 60 |
| 58 def allItems(self): | 61 def allItems(self): |
| 59 """ | 62 """ |
| 60 Public method to get a list of all items. | 63 Public method to get a list of all items. |
| 227 else: | 230 else: |
| 228 for itm in allItems: | 231 for itm in allItems: |
| 229 itm.setHidden(False) | 232 itm.setHidden(False) |
| 230 for index in range(self.topLevelItemCount()): | 233 for index in range(self.topLevelItemCount()): |
| 231 self.topLevelItem(index).setHidden(False) | 234 self.topLevelItem(index).setHidden(False) |
| 232 if self.__showMode == E5TreeWidget.ItemsCollapsed: | 235 if self.__showMode == E5TreeWidgetItemsState.COLLAPSED: |
| 233 self.collapseAll() | 236 self.collapseAll() |
| 234 | 237 |
| 235 def clear(self): | 238 def clear(self): |
| 236 """ | 239 """ |
| 237 Public slot to clear the tree. | 240 Public slot to clear the tree. |
