Enhancement : Part presentation abstraction

The part presentation handles all details of rendering a part.

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Enhancement : Part presentation abstraction

First cut for part presentation abstraction in diagram editors. 

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Merge : master to T416279
Merge : master to T416279
Merge : master into T416279
Enhancement : Flexible diagram node shapes

Fix the regression caused by replacing deprecated event handling where
the shape reorder action causes ClassCastException.

https://bugs.eclipse.org/bugs/show_bug.cgi?id=383924
Enhancement : Flexible diagram node shapes

Fix several stack overflow errors and other issues.

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=383924
Merge : master into T416279
Enhancement : Part presentation abstraction

Split form weights change on every render.

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Enhancement : Part presentation abstraction

Calling part().visible() explicitly when refreshing validation marker
images.

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Merge : master into T416279
Merge : master into T416279
Merge : master into T416279
Enhancement : Part presentation abstraction

Miscellaneous fixes for the sdef editor.

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Merge master into T416279
Merge : master into T416279
Enhancement : Part presentation abstraction

Fix for missing PropertyEditorDef image.

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Enhancement : Part presentation abstraction

java.lang.IllegalStateException: MasterDetailsContentNodeDef element is already disposed.
	at org.eclipse.sapphire.ElementImpl.assertNotDisposed(ElementImpl.java:1005)
	at org.eclipse.sapphire.ElementImpl.property(ElementImpl.java:355)
	at org.eclipse.sapphire.ui.forms.MasterDetailsContentNodeDef$Impl.getLabel(Unknown Source)
	at org.eclipse.sapphire.ui.def.internal.SectionDefLabelDefaultValueProvider.dispose(SectionDefLabelDefaultValueProvider.java:70)
	at org.eclipse.sapphire.services.ServiceProxy.dispose(ServiceProxy.java:130)
	at org.eclipse.sapphire.services.ServiceContext.dispose(ServiceContext.java:201)
	at org.eclipse.sapphire.Property.dispose(Property.java:739)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ElementList.disposeOther(ElementList.java:985)
	at org.eclipse.sapphire.Property.dispose(Property.java:743)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ElementList.disposeOther(ElementList.java:985)
	at org.eclipse.sapphire.Property.dispose(Property.java:743)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ElementList.disposeOther(ElementList.java:985)
	at org.eclipse.sapphire.Property.dispose(Property.java:743)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ElementList.disposeOther(ElementList.java:985)
	at org.eclipse.sapphire.Property.dispose(Property.java:743)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ElementList.disposeOther(ElementList.java:985)
	at org.eclipse.sapphire.Property.dispose(Property.java:743)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ElementHandle.disposeOther(ElementHandle.java:428)
	at org.eclipse.sapphire.Property.dispose(Property.java:743)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ElementList.disposeOther(ElementList.java:985)
	at org.eclipse.sapphire.Property.dispose(Property.java:743)
	at org.eclipse.sapphire.ElementImpl.dispose(ElementImpl.java:985)
	at org.eclipse.sapphire.ui.SapphireEditor.dispose(SapphireEditor.java:663)
	at org.eclipse.sapphire.ui.swt.xml.editor.SapphireEditorForXml.dispose(SapphireEditorForXml.java:157)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.invalidate(CompatibilityPart.java:226)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.destroy(CompatibilityPart.java:392)
	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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:877)
	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:857)
	at org.eclipse.e4.core.internal.di.InjectorImpl.uninject(InjectorImpl.java:179)
	at org.eclipse.e4.core.internal.di.Requestor.uninject(Requestor.java:142)
	at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:82)
	at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:107)
	at org.eclipse.e4.core.internal.contexts.EclipseContext.removeListenersTo(EclipseContext.java:454)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.uninject(ContextInjectionFactory.java:144)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeRemoveGui(PartRenderingEngine.java:908)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$3(PartRenderingEngine.java:828)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$8.run(PartRenderingEngine.java:823)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.removeGui(PartRenderingEngine.java:808)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$1.handleEvent(PartRenderingEngine.java:153)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41)
	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)
	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4688)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:205)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38)
	at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)
	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
	at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
	at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
	at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
	at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:80)
	at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:58)
	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
	at org.eclipse.e4.ui.model.application.ui.impl.UIElementImpl.setToBeRendered(UIElementImpl.java:290)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.hidePart(PartServiceImpl.java:1161)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.hidePart(PartServiceImpl.java:1096)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.closePart(StackRenderer.java:1069)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.access$5(StackRenderer.java:1051)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer$11.close(StackRenderer.java:945)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1833)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:283)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:613)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	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:109)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:80)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:372)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:226)
	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:636)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1426)

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Enhancement : Part presentation abstraction

java.lang.ClassCastException: org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage$1 cannot be cast to org.eclipse.sapphire.ui.forms.swt.presentation.FormComponentPresentation
	at org.eclipse.sapphire.ui.forms.swt.presentation.SapphireActionPresentation.setMenuItemImage(SapphireActionPresentation.java:287)
	at org.eclipse.sapphire.ui.forms.swt.presentation.SapphireActionPresentation.renderMenuItem(SapphireActionPresentation.java:214)
	at org.eclipse.sapphire.ui.forms.swt.presentation.internal.SapphireMenuActionPresentation.render(SapphireMenuActionPresentation.java:141)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage$ContentOutlineActionSupport.handleSelectionChangedEvent(MasterDetailsEditorPage.java:1706)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage$ContentOutlineActionSupport.<init>(MasterDetailsEditorPage.java:1665)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage$ContentOutlineActionSupport.<init>(MasterDetailsEditorPage.java:1641)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage.createContentOutline(MasterDetailsEditorPage.java:1033)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage.access$2(MasterDetailsEditorPage.java:609)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage$MasterSection.<init>(MasterDetailsEditorPage.java:1911)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage$RootSection.createMasterPart(MasterDetailsEditorPage.java:1779)
	at org.eclipse.ui.forms.MasterDetailsBlock.createContent(MasterDetailsBlock.java:161)
	at org.eclipse.ui.forms.MasterDetailsBlock.createContent(MasterDetailsBlock.java:142)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage$RootSection.createContent(MasterDetailsEditorPage.java:1755)
	at org.eclipse.sapphire.ui.forms.swt.MasterDetailsEditorPage.createFormContent(MasterDetailsEditorPage.java:305)
	at org.eclipse.ui.forms.editor.FormPage$1.run(FormPage.java:152)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.forms.editor.FormPage.createPartControl(FormPage.java:150)
	at org.eclipse.sapphire.ui.forms.swt.SapphireEditorFormPage.createPartControl(SapphireEditorFormPage.java:109)
	at org.eclipse.ui.forms.editor.FormEditor.pageChange(FormEditor.java:471)
	at org.eclipse.sapphire.ui.SapphireEditor.pageChange(SapphireEditor.java:563)
	at org.eclipse.ui.part.MultiPageEditorPart.setActivePage(MultiPageEditorPart.java:1083)
	at org.eclipse.ui.forms.editor.FormEditor.setActivePage(FormEditor.java:603)
	at org.eclipse.sapphire.ui.SapphireEditor.addPages(SapphireEditor.java:497)
	at org.eclipse.ui.forms.editor.FormEditor.createPages(FormEditor.java:138)
	at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:358)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:142)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:96)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:323)
	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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:877)
	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:857)
	at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:119)
	at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:333)
	at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:254)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:102)
	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:71)
	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:53)
	at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:949)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:633)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:735)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:706)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:700)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:685)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1096)
	at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer$1.handleEvent(LazyStackRenderer.java:66)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41)
	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)
	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4688)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:205)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38)
	at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)
	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
	at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
	at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
	at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
	at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:80)
	at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:58)
	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
	at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:171)
	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:580)
	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:547)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:605)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:322)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1029)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3122)
	at org.eclipse.ui.internal.WorkbenchPage.access$21(WorkbenchPage.java:3044)
	at org.eclipse.ui.internal.WorkbenchPage$8.run(WorkbenchPage.java:3026)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3022)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2986)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2977)
	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:534)
	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:493)
	at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:360)
	at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:167)
	at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:268)
	at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:233)
	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:275)
	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:251)
	at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:376)
	at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$4.open(PackageExplorerPart.java:538)
	at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:47)
	at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:875)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:176)
	at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:873)
	at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1170)
	at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1277)
	at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:278)
	at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:272)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:312)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:613)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	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:109)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:80)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:372)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:226)
	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:636)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1450)

Bugzilla : https://bugs.eclipse.org/bugs/show_bug.cgi?id=416279
Merge : master into T416279