| Reducing 2 Palette Tools to 1 Tool [message #1194414] |
Mon, 18 November 2013 13:52  |
 Erik Schondorff
Messages: 25
Registered: October 2013 |
Junior Member |
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Hi community,
I have a question again 
My problem sounds not problematic, but I have not an other idea:
I have two Creation Tools in my palette for the elements A1 and B2. Every element does semantically the same job, but for different scopes. A1 can be placed in the diagram directly and the other element, B2, can be placed only in the compartment of A1.
Because both elements do the same job, I wanted to reduce it to one Creation Tool, so I deleted the Creation Tool for B2. After it, I extended A1CompartmentItemSemanticEditPolicy.getCreateCommand(CreateElementRequest). So if the element type is B2, initialize a new CreateElementRequest with the the
type of B2 and return a new B2CreateCommand. But this doesnt work and runs into following exception:
### --- ### --- ###
!ENTRY org.eclipse.gmf.runtime.diagram.ui 4 4 2013-11-18 14:48:33.804
!MESSAGE execute
!STACK 0
org.eclipse.core.commands.ExecutionException: While executing the operation, an exception occurred
at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:521)
at org.eclipse.papyrus.commands.CheckedOperationHistory.execute(CheckedOperationHistory.java:182)
at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:206)
at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:169)
at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:156)
at org.eclipse.gef.tools.AbstractTool.executeCommand(AbstractTool.java:425)
at org.eclipse.gef.tools.AbstractTool.executeCurrentCommand(AbstractTool.java:438)
at org.eclipse.papyrus.uml.diagram.common.service.AspectUnspecifiedTypeCreationTool.performCreation(AspectUnspecifiedTypeCreationTool.java:133)
at org.eclipse.gef.tools.CreationTool.handleButtonUp(CreationTool.java:189)
at org.eclipse.gef.tools.AbstractTool.mouseUp(AbstractTool.java:1200)
at org.eclipse.gef.EditDomain.mouseUp(EditDomain.java:301)
at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseReleased(DomainEventDispatcher.java:380)
at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseUp(LightweightSystem.java:548)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:220)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1053)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:942)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
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:353)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
at org.eclipse.equinox.launcher.Main.main(Main.java:1414)
Caused by: java.lang.NullPointerException
at org.eclipse.emf.workspace.AbstractEMFOperation.inheritedOptions(AbstractEMFOperation.java:252)
at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:138)
at org.eclipse.gmf.runtime.diagram.ui.commands.SemanticCreateCommand.doExecuteWithResult(SemanticCreateCommand.java:91)
at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:134)
at org.eclipse.gmf.runtime.common.core.command.CompositeCommand.doExecuteWithResult(CompositeCommand.java:403)
at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:134)
at org.eclipse.gmf.runtime.common.core.command.CompositeCommand.doExecuteWithResult(CompositeCommand.java:403)
at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:134)
at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:513)
... 39 more
### --- ### --- ###
This was my most intuitive way to solve my problem.
Has anybody an idea?
Thanks a lot.
Best regards, Erik
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