개정판 f93e6d5e
issue #1436: Undo/Redo 기능
Change-Id: I71577986ad523b3973454c7976f250f6c9418687
| HYTOS/HYTOS/QtImageViewerScene.py | ||
|---|---|---|
| 24 | 24 |
|
| 25 | 25 |
def __init__(self, viewer): |
| 26 | 26 |
QGraphicsScene.__init__(self, viewer) |
| 27 |
self._undo_stack = QUndoStack(self) |
|
| 28 |
self._pressed_position = None |
|
| 29 |
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| 30 |
@property |
|
| 31 |
def undo_stack(self): |
|
| 32 |
return self._undo_stack |
|
| 27 | 33 |
|
| 28 | 34 |
def addItem(self, item): |
| 29 | 35 |
""" add given item to scene """ |
| ... | ... | |
| 40 | 46 |
"""delete selected items when press delete key""" |
| 41 | 47 |
from SymbolSvgItem import SymbolSvgItem |
| 42 | 48 |
from EngineeringCloudItem import QEngineeringCloudItem |
| 49 |
from DeleteCommand import DeleteCommand |
|
| 43 | 50 |
|
| 44 | 51 |
if event.key() == Qt.Key_Delete: |
| 45 |
selected = self.selectedItems() |
|
| 46 |
while selected: |
|
| 47 |
item = selected.pop() |
|
| 48 |
if issubclass(type(item), QGraphicsTextItem) and not item.hasFocus(): |
|
| 49 |
self.removeItem(item) |
|
| 50 |
elif type(item) is QEngineeringCloudItem: |
|
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self.removeItem(item) |
|
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elif issubclass(type(item), SymbolSvgItem) or issubclass(type(item), QGraphicsPathItem): |
|
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item.transfer.onRemoved.emit(item) |
|
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selected = [item for item in self.selectedItems() |
|
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if (issubclass(type(item), QGraphicsTextItem) and not item.hasFocus()) or |
|
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(type(item) is QEngineeringCloudItem) or |
|
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(issubclass(type(item), SymbolSvgItem)) or |
|
| 56 |
(issubclass(type(item), QGraphicsPathItem))] |
|
| 57 |
|
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| 58 |
self._undo_stack.push(DeleteCommand(self, selected)) |
|
| 59 |
elif event.key() == Qt.Key_Z and event.modifiers() & Qt.ControlModifier: |
|
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self._undo_stack.undo() |
|
| 61 |
elif event.key() == Qt.Key_R and event.modifiers() & Qt.ControlModifier: |
|
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self._undo_stack.redo() |
|
| 54 | 63 |
|
| 55 | 64 |
QGraphicsScene.keyPressEvent(self, event) |
| 56 | 65 |
|
| 66 |
def mousePressEvent(self, event: 'QGraphicsSceneMouseEvent') -> None: |
|
| 67 |
from SymbolSvgItem import SymbolSvgItem |
|
| 68 |
|
|
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if self.selectedItems() and not (type(self.selectedItems()[0]) is SymbolSvgItem and |
|
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self.selectedItems()[0].get_selected_corner(event.scenePos())): |
|
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self._pressed_position = event.scenePos() |
|
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elif not self.selectedItems() and self.items(event.scenePos()): |
|
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self._pressed_position = event.scenePos() |
|
| 74 |
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|
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super(QtImageViewerScene, self).mousePressEvent(event) |
|
| 76 |
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| 77 |
def mouseReleaseEvent(self, event: 'QGraphicsSceneMouseEvent') -> None: |
|
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from MoveCommand import MoveCommand |
|
| 79 |
|
|
| 80 |
if self._pressed_position and self._pressed_position != event.scenePos() and self.selectedItems(): |
|
| 81 |
self._undo_stack.push(MoveCommand(self, event.scenePos() - self._pressed_position)) |
|
| 82 |
self._pressed_position = None |
|
| 83 |
super(QtImageViewerScene, self).mouseReleaseEvent(event) |
|
| 84 |
|
|
| 57 | 85 |
""" |
| 58 | 86 |
def rectForTile(self, x, y): |
| 59 | 87 |
# Return the rectangle for the tile at position (x, y). |
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