개정판 67cd9ddb
issue #366: Undo/Redo for flip
Change-Id: Icea5203d65651f46a832ddff1a821c9b7c4c64a6
| DTI_PID/DTI_PID/Commands/FlipCommand.py | ||
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# coding: utf-8 |
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""" This is flip command module """ |
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import os.path |
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import sys |
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from SymbolSvgItem import SymbolSvgItem |
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from EngineeringErrorItem import QEngineeringErrorItem |
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from PyQt5.QtCore import * |
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from PyQt5.QtGui import * |
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from PyQt5.QtWidgets import * |
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class FlipCommand(QUndoCommand): |
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def __init__(self, scene, items, parent=None): |
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from SymbolSvgItem import SymbolSvgItem |
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super(FlipCommand, self).__init__(parent) |
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self._scene = scene |
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self._items = [item for item in items if issubclass(type(item), SymbolSvgItem) and |
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type(self) is not QEngineeringErrorItem] |
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self._params = None |
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self._flipped = False |
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def undo(self): |
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"""undo""" |
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for idx, item in enumerate(self._items): |
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item.flip = self._params[idx] |
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item.flip_symbol() |
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self._scene.update() |
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self._flipped = False |
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def redo(self): |
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"""redo""" |
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if not self._flipped: |
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_params = [] |
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for idx, item in enumerate(self._items): |
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_params.append(item.flip) |
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item.flip = 0 if item.flip else 1 |
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item.flip_symbol() |
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self._params = _params |
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self._scene.update() |
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| DTI_PID/DTI_PID/QtImageViewerScene.py | ||
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| 61 | 61 |
from EngineeringTextItem import QEngineeringTextItem |
| 62 | 62 |
from DeleteCommand import DeleteCommand |
| 63 | 63 |
from RotateCommand import RotateCommand |
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from FlipCommand import FlipCommand |
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| 64 | 65 |
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try: |
| 66 | 67 |
if event.key() == Qt.Key_Delete: |
| ... | ... | |
| 94 | 95 |
self._undo_stack.redo() |
| 95 | 96 |
elif self.selectedItems() and event.key() == Qt.Key_R and not(event.modifiers() & Qt.ControlModifier): |
| 96 | 97 |
self._undo_stack.push(RotateCommand(self, self.selectedItems())) |
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elif self.selectedItems() and event.key() == Qt.Key_F and not(event.modifiers() & Qt.ControlModifier): |
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self._undo_stack.push(FlipCommand(self, self.selectedItems())) |
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| 97 | 100 |
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| 98 | 101 |
super(QtImageViewerScene, self).keyPressEvent(event) |
| 99 | 102 |
except Exception as ex: |
| DTI_PID/DTI_PID/Shapes/SymbolSvgItem.py | ||
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| 1036 | 1036 |
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| 1037 | 1037 |
if not self.isSelected(): |
| 1038 | 1038 |
return |
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if event.key() == Qt.Key_B: |
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elif event.key() == Qt.Key_B:
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| 1040 | 1040 |
self.bind_close_items() |
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""" |
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elif event.key() == Qt.Key_R and QApplication.keyboardModifiers() != Qt.ControlModifier and \ |
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type(self) is not QEngineeringErrorItem: |
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self.rotateSymbol() |
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""" |
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if event.key() == Qt.Key_O and type(self) is not QEngineeringErrorItem: |
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elif event.key() == Qt.Key_O and type(self) is not QEngineeringErrorItem: |
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| 1047 | 1042 |
pass |
| 1048 | 1043 |
elif event.key() == Qt.Key_C and type(self) is not QEngineeringErrorItem: |
| 1049 | 1044 |
self.changeConnPoint() |
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elif event.key() == Qt.Key_F and type(self) is not QEngineeringErrorItem: |
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self.flip = 1 if self.flip is 0 else 0 |
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self.flip_symbol() |
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| 1053 | 1045 |
elif event.key() == Qt.Key_Return: |
| 1054 | 1046 |
return |
| 1055 | 1047 |
# disable |
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