[p2-dev] Reuse of P2 UI

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[p2-dev] Reuse of P2 UI

From: Eugen Reiswich <ereiswich@xxxxxxxxxxxxxx>
Date: Fri, 5 Nov 2010 09:23:17 +0100
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Hi folks,

I'm trying to reuse some P2 UI elements as introduced in this presentation: http://www.slideshare.net/PascalRapicault/discovering-the-p2-api

Basically I would like to reuse the"Available Software"-page where I can choose/edit update sites and features to install, the "Install Details"-page which summarizes the items to be installed and the licenses page. I would like to integrate all this pages in my RCP-View, not in a Wizard.

Trying to reuse the "InstalledSoftware"-page resulted in a NPE (note: I've checked the box "Support software installation in the launch application" in my launch configuration):

InstalledSoftwarePage installedSoftwarePage = new InstalledSoftwarePage();

installedSoftwarePage.createControl(parent);

!ENTRY org.eclipse.core.jobs 4 2 2010-11-05 09:15:34.160

!MESSAGE An internal error occurred during: "Fetching children of _SELF_".

!STACK 0

java.lang.NullPointerException

at org.eclipse.equinox.internal.p2.ui.model.ProfileElement.getQueryable(ProfileElement.java:55)

at org.eclipse.equinox.internal.p2.ui.QueryProvider.getQueryDescriptor(QueryProvider.java:54)

at org.eclipse.equinox.internal.p2.ui.model.QueriedElement.fetchChildren(QueriedElement.java:102)

at org.eclipse.equinox.internal.p2.ui.model.RemoteQueriedElement.fetchDeferredChildren(RemoteQueriedElement.java:34)

at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:235)

at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

!ENTRY org.eclipse.ui.workbench 4 0 2010-11-05 09:15:34.177

!MESSAGE Unable to create view ID P2UIExamples.view: An unexpected exception was thrown.

!STACK 0

java.lang.NullPointerException

at org.eclipse.equinox.internal.p2.ui.ProvUIActivator.addProvisioningListener(ProvUIActivator.java:106)

at org.eclipse.equinox.internal.p2.ui.dialogs.InstalledIUGroup.createViewer(InstalledIUGroup.java:75)

at org.eclipse.equinox.internal.p2.ui.dialogs.StructuredIUGroup.createGroupComposite(StructuredIUGroup.java:80)

at org.eclipse.equinox.internal.p2.ui.dialogs.InstalledIUGroup.<init>(InstalledIUGroup.java:51)

at org.eclipse.equinox.p2.ui.InstalledSoftwarePage.createControl(InstalledSoftwarePage.java:95)

at p2uiexamples.View.createPartControl(View.java:76)

at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:375)

at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:229)

at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)

at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313)

at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:529)

at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)

at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)

at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)

at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)

at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1254)

at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1207)

at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1606)

at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:647)

at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:574)

at org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:568)

at org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:272)

at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:981)

at org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:2632)

at org.eclipse.ui.internal.WorkbenchWindow$27.run(WorkbenchWindow.java:2986)

at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

at org.eclipse.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:2967)

at org.eclipse.ui.internal.WorkbenchWindow.busyOpenPage(WorkbenchWindow.java:771)

at org.eclipse.ui.internal.Workbench$23.runWithException(Workbench.java:1221)

at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)

at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)

at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)

at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3586)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3279)

at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)

at org.eclipse.ui.internal.Workbench$31.runWithException(Workbench.java:1567)

at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)

at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:179)

at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)

at org.eclipse.swt.widgets.Display.syncExec(Display.java:4233)

at org.eclipse.ui.internal.StartupThreading.runWithoutExceptions(StartupThreading.java:94)

at org.eclipse.ui.internal.Workbench.init(Workbench.java:1562)

at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2567)

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 p2uiexamples.Application.start(Application.java:20)

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)

Any help will be appreciated,

Eugen

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References:
- [p2-dev] Project meta data is out of date for rt.equinox.p2
  - From: portal on behalf of emo

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