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| Re: getX and getY in CreateReferenceFeature [message #652095 is a reply to message #651953] |
Wed, 02 February 2011 16:39   |
 hdw 
Messages: 4
Registered: February 2011 |
Junior Member |
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I want to use an other solution.
In this solution I got a new problem.
I wan to make a port. This port shall be only a straight line (polyline)
wen I want to make a connection a exceptions happens.
public PictogramElement add(final IAddContext context) {
//...
final BoxRelativeAnchor boxAnchor =
peCreateService.createBoxRelativeAnchor(containerShape);
...
createGraphicalPort(boxAnchor);
//...
}
private void createGraphicalPort(BoxRelativeAnchor boxAnchor) {
IGaService gaService = Graphiti.getGaService();
//Rectangle rec = gaService.createRectangle(boxAnchor);
Polyline poly = gaService.createPolyline(boxAnchor ,new int[]{0,PORT_SIZE/2,PORT_SIZE,PORT_SIZE/2});
//rec.setStyle(styleProvider.getStyle(StyleProvider.PORT));
poly.setStyle(styleProvider.getStyle(StyleProvider.PORT));
//gaService.setLocationAndSize(rec, 0, 0, PORT_SIZE, PORT_SIZE);
gaService.setLocationAndSize(poly, 0, 0, PORT_SIZE, PORT_SIZE);
}
If there is only the rectangle and not the polyline, it works.
Because of the exceptions:
new vertexes and connection can't be added.
contex menues and context buttons aren't be shown.
and other exceptions.
Here the exceptions (when the connection will be create):
!ENTRY org.eclipse.ui 4 0 2011-02-02 17:23:39.158
!MESSAGE Unhandled event loop exception
!STACK 0
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException)
at org.eclipse.swt.SWT.error(SWT.java:4083)
at org.eclipse.swt.SWT.error(SWT.java:3998)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:137)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3515)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3164)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
Caused by: java.lang.NullPointerException
at org.eclipse.graphiti.ui.internal.util.draw2d.LineSeg.getLineIntersectionsWithLineSegs(LineSeg.java:465)
at org.eclipse.graphiti.ui.internal.util.draw2d.GFChopboxAnchor.getIntersectionPoints(GFChopboxAnchor.java:175)
at org.eclipse.graphiti.ui.internal.util.draw2d.GFChopboxAnchor.getLocation(GFChopboxAnchor.java:126)
at org.eclipse.graphiti.ui.internal.util.draw2d.GFChopboxAnchor.getLocation(GFChopboxAnchor.java:99)
at org.eclipse.draw2d.AbstractRouter.getStartPoint(AbstractRouter.java:69)
at org.eclipse.draw2d.ConnectionRouter$NullConnectionRouter.route(ConnectionRouter.java:92)
at org.eclipse.draw2d.PolylineConnection.layout(PolylineConnection.java:176)
at org.eclipse.draw2d.Figure.validate(Figure.java:1894)
at org.eclipse.draw2d.Figure.validate(Figure.java:1896)
at org.eclipse.draw2d.Figure.validate(Figure.java:1896)
at org.eclipse.draw2d.FreeformViewport$FreeformViewportLayout.calculatePreferredSize(FreeformViewport.java:25)
at org.eclipse.draw2d.AbstractLayout.getPreferredSize(AbstractLayout.java:110)
at org.eclipse.draw2d.AbstractHintLayout.getPreferredSize(AbstractHintLayout.java:90)
at org.eclipse.draw2d.Figure.getPreferredSize(Figure.java:807)
at org.eclipse.draw2d.ScrollPaneSolver.solve(ScrollPaneSolver.java:82)
at org.eclipse.draw2d.FigureCanvas.layoutViewport(FigureCanvas.java:325)
at org.eclipse.draw2d.FigureCanvas.access$4(FigureCanvas.java:323)
at org.eclipse.draw2d.FigureCanvas$3.notifyValidating(FigureCanvas.java:292)
at org.eclipse.draw2d.UpdateManager.fireValidating(UpdateManager.java:143)
at org.eclipse.draw2d.DeferredUpdateManager.performValidation(DeferredUpdateManager.java:214)
at org.eclipse.draw2d.DeferredUpdateManager.performUpdate(DeferredUpdateManager.java:190)
at org.eclipse.draw2d.DeferredUpdateManager$UpdateRequest.run(DeferredUpdateManager.java:44)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
... 23 more |
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