Mercurial Repositories > eric / file comparison
comparison: Graphics/UMLGraphicsView.py
Graphics/UMLGraphicsView.py
- changeset 2027
- 144463496a54
- parent 2025
- 8bb085c59cd2
- child 2028
- 30247d523fdb
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deleted
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| 2026:18f2b30ed046 | 2027:144463496a54 |
|---|---|
| 6 """ | 6 """ |
| 7 Module implementing a subclass of E5GraphicsView for our diagrams. | 7 Module implementing a subclass of E5GraphicsView for our diagrams. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 from PyQt4.QtCore import pyqtSignal, Qt, QSignalMapper, QFileInfo, QEvent | 10 from PyQt4.QtCore import pyqtSignal, Qt, QSignalMapper, QFileInfo, QEvent |
| 11 from PyQt4.QtGui import QAction, QToolBar, QDialog, QPrinter, QPrintDialog | 11 from PyQt4.QtGui import QGraphicsView, QAction, QToolBar, QDialog, QPrinter, QPrintDialog |
| 12 | 12 |
| 13 from E5Graphics.E5GraphicsView import E5GraphicsView | 13 from E5Graphics.E5GraphicsView import E5GraphicsView |
| 14 | 14 |
| 15 from E5Gui import E5MessageBox, E5FileDialog | 15 from E5Gui import E5MessageBox, E5FileDialog |
| 16 | 16 |
| 43 @param name name of the view widget (string) | 43 @param name name of the view widget (string) |
| 44 """ | 44 """ |
| 45 E5GraphicsView.__init__(self, scene, parent) | 45 E5GraphicsView.__init__(self, scene, parent) |
| 46 if name: | 46 if name: |
| 47 self.setObjectName(name) | 47 self.setObjectName(name) |
| 48 self.setViewportUpdateMode(QGraphicsView.FullViewportUpdate) | |
| 48 | 49 |
| 49 self.diagramName = diagramName | 50 self.diagramName = diagramName |
| 50 | 51 |
| 51 self.border = 10 | 52 self.border = 10 |
| 52 self.deltaSize = 100.0 | 53 self.deltaSize = 100.0 |
| 178 """ | 179 """ |
| 179 Private slot to set the enabled state of the size actions. | 180 Private slot to set the enabled state of the size actions. |
| 180 """ | 181 """ |
| 181 diagramSize = self._getDiagramSize(10) | 182 diagramSize = self._getDiagramSize(10) |
| 182 sceneRect = self.scene().sceneRect() | 183 sceneRect = self.scene().sceneRect() |
| 183 if (sceneRect.width() - self.deltaSize) <= diagramSize.width(): | 184 if (sceneRect.width() - self.deltaSize) < diagramSize.width(): |
| 184 self.decWidthAct.setEnabled(False) | 185 self.decWidthAct.setEnabled(False) |
| 185 else: | 186 else: |
| 186 self.decWidthAct.setEnabled(True) | 187 self.decWidthAct.setEnabled(True) |
| 187 if (sceneRect.height() - self.deltaSize) <= diagramSize.height(): | 188 if (sceneRect.height() - self.deltaSize) < diagramSize.height(): |
| 188 self.decHeightAct.setEnabled(False) | 189 self.decHeightAct.setEnabled(False) |
| 189 else: | 190 else: |
| 190 self.decHeightAct.setEnabled(True) | 191 self.decHeightAct.setEnabled(True) |
| 191 | 192 |
| 192 def __sceneChanged(self, areas): | 193 def __sceneChanged(self, areas): |
| 197 """ | 198 """ |
| 198 if len(self.scene().selectedItems()) > 0: | 199 if len(self.scene().selectedItems()) > 0: |
| 199 self.deleteShapeAct.setEnabled(True) | 200 self.deleteShapeAct.setEnabled(True) |
| 200 else: | 201 else: |
| 201 self.deleteShapeAct.setEnabled(False) | 202 self.deleteShapeAct.setEnabled(False) |
| 203 | |
| 204 sceneRect = self.scene().sceneRect() | |
| 205 newWidth = width = sceneRect.width() | |
| 206 newHeight = height = sceneRect.height() | |
| 207 rect = self._getDiagramRect(10) | |
| 208 if width < rect.width(): | |
| 209 newWidth = rect.width() | |
| 210 if height < rect.height(): | |
| 211 newHeight = rect.height() | |
| 212 | |
| 213 if newHeight != height or newWidth != width: | |
| 214 self.setSceneSize(newWidth, newHeight) | |
| 215 self.__checkSizeActions() | |
| 202 | 216 |
| 203 def initToolBar(self): | 217 def initToolBar(self): |
| 204 """ | 218 """ |
| 205 Public method to populate a toolbar with our actions. | 219 Public method to populate a toolbar with our actions. |
| 206 | 220 |
| 317 dlg = UMLSceneSizeDialog(sceneRect.width(), sceneRect.height(), | 331 dlg = UMLSceneSizeDialog(sceneRect.width(), sceneRect.height(), |
| 318 rect.width(), rect.height(), self) | 332 rect.width(), rect.height(), self) |
| 319 if dlg.exec_() == QDialog.Accepted: | 333 if dlg.exec_() == QDialog.Accepted: |
| 320 width, height = dlg.getData() | 334 width, height = dlg.getData() |
| 321 self.setSceneSize(width, height) | 335 self.setSceneSize(width, height) |
| 336 self.__checkSizeActions() | |
| 337 | |
| 338 def autoAdjustSceneSize(self, limit=False): | |
| 339 """ | |
| 340 Public method to adjust the scene size to the diagram size. | |
| 341 | |
| 342 @param limit flag indicating to limit the scene to the | |
| 343 initial size (boolean) | |
| 344 """ | |
| 345 super().autoAdjustSceneSize(limit=limit) | |
| 322 self.__checkSizeActions() | 346 self.__checkSizeActions() |
| 323 | 347 |
| 324 def __saveImage(self): | 348 def __saveImage(self): |
| 325 """ | 349 """ |
| 326 Private method to handle the save context menu entry. | 350 Private method to handle the save context menu entry. |
| 358 def __relayout(self): | 382 def __relayout(self): |
| 359 """ | 383 """ |
| 360 Private method to handle the re-layout context menu entry. | 384 Private method to handle the re-layout context menu entry. |
| 361 """ | 385 """ |
| 362 scene = self.scene() | 386 scene = self.scene() |
| 363 for itm in list(scene.items())[:]: | 387 scene.clear() |
| 364 if itm.scene() == scene: | |
| 365 scene.removeItem(itm) | |
| 366 self.relayout.emit() | 388 self.relayout.emit() |
| 367 | 389 |
| 368 def __printDiagram(self): | 390 def __printDiagram(self): |
| 369 """ | 391 """ |
| 370 Private slot called to print the diagram. | 392 Private slot called to print the diagram. |
