Bug 431298 - NPE in ShowHideRelatedContentsHandler

PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService()
there is a non-null activeWindow.

Change-Id: I5b9d471a2b1877bf07e9af46f5a625daf9dc90a5
Signed-off-by: Benoit Maggi <benoit.maggi@cea.fr>

2 files changed, 305 insertions, 302 deletions

diff --git a/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/ModelExplorerUtils.java b/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/ModelExplorerUtils.java
index ad3541dd4e7..d9d8bf6a5f7 100644
--- a/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/ModelExplorerUtils.java
+++ b/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/ModelExplorerUtils.java
@@ -1,211 +1,214 @@
-/*****************************************************************************

- * Copyright (c) 2012, 2014 CEA LIST and others.

- *

- *    

- * All rights reserved. This program and the accompanying materials

- * are made available under the terms of the Eclipse Public License v1.0

- * which accompanies this distribution, and is available at

- * http://www.eclipse.org/legal/epl-v10.html

- *

- * Contributors:

- *  Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation

- *  Christian W. Damus (CEA) - bug 386118

- *

- *****************************************************************************/

-package org.eclipse.papyrus.junit.utils;

-

-import java.util.ArrayList;

-import java.util.Collections;

-import java.util.Iterator;

-import java.util.List;

-

-import org.eclipse.core.commands.AbstractHandler;

-import org.eclipse.core.commands.Command;

-import org.eclipse.core.commands.ExecutionEvent;

-import org.eclipse.core.commands.ExecutionException;

-import org.eclipse.core.commands.IHandler;

-import org.eclipse.core.runtime.IStatus;

-import org.eclipse.core.runtime.Status;

-import org.eclipse.emf.ecore.EObject;

-import org.eclipse.emf.transaction.RunnableWithResult;

-import org.eclipse.jface.viewers.IStructuredSelection;

-import org.eclipse.papyrus.infra.core.editor.IMultiDiagramEditor;

-import org.eclipse.papyrus.infra.emf.utils.EMFHelper;

-import org.eclipse.papyrus.views.modelexplorer.ModelExplorerPage;

-import org.eclipse.papyrus.views.modelexplorer.ModelExplorerPageBookView;

-import org.eclipse.papyrus.views.modelexplorer.ModelExplorerView;

-import org.eclipse.swt.widgets.Display;

-import org.eclipse.ui.IEditorPart;

-import org.eclipse.ui.IViewPart;

-import org.eclipse.ui.IWorkbenchPage;

-import org.eclipse.ui.PartInitException;

-import org.eclipse.ui.PlatformUI;

-import org.eclipse.ui.commands.ICommandService;

-import org.eclipse.ui.part.IPage;

-import org.junit.Assert;

-

-/**

- * Useful methods for the ModelExplorer view

- */

-public class ModelExplorerUtils {

-

-	/**

-	 * the ID of the ModelExplorerView

-	 */

-	private static final String ModelExplorerViewId = "org.eclipse.papyrus.views.modelexplorer.modelexplorer"; //$NON-NLS-1$

-

-	private ModelExplorerUtils() {

-		// to prevent instanciation

-	}

-

-	/**

-	 * 

-	 * @return

-	 *         the opened modelexplorer. Warning, it should be better that Papyrus was opened yet

-	 * @throws PartInitException

-	 */

-	public static ModelExplorerView openModelExplorerView() throws PartInitException {

-		IViewPart modelexplorer = null;

-		modelexplorer = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().showView(ModelExplorerViewId);

-		final ModelExplorerPageBookView view = (ModelExplorerPageBookView)modelexplorer;

-		final IPage currentPage = view.getCurrentPage();

-		final ModelExplorerPage page = (ModelExplorerPage)currentPage;

-		final IViewPart viewer = page.getViewer();

-		Assert.assertNotNull(viewer);

-		viewer.setFocus();

-		return (ModelExplorerView)viewer;

-	}

-

-	/**

-	 * 

-	 * @param view

-	 *        the modelexplorer to manipulate

-	 * @param elements

-	 *        the elements to select

-	 */

-	public static void setSelectionInTheModelexplorer(final ModelExplorerView view, List<?> elements) {

-		view.revealSemanticElement(elements);

-		final List<?> currentSelection = getCurrentSelectionInTheModelExplorer();

-		Assert.assertTrue("The current selection is not the wanted selection", elements.containsAll(currentSelection));

-		Assert.assertTrue("The current selection is not the wanted selection", currentSelection.containsAll(elements));

-	}

-

-	/**

-	 * 

-	 * @return

-	 *         the object selected in the ModelExplorer

-	 *         //TODO : should be moved in the ModelExplorer

-	 */

-	public static List<?> getCurrentSelectionInTheModelExplorer() {

-		final IStructuredSelection currentSelection = (IStructuredSelection)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection(ModelExplorerViewId);

-		final List<Object> selection = new ArrayList<Object>();

-		final Iterator<?> iter = currentSelection.iterator();

-		while(iter.hasNext()) {

-			final Object current = iter.next();

-			EObject eObject = EMFHelper.getEObject(current);

-			if(eObject != null) {

-				selection.add(eObject);

-			} else {

-				selection.add(current);

-			}

-

-		}

-		return selection;

-	}

-

-	/**

-	 * 

-	 * @param view

-	 *        the ModelExplorerView

-	 * @return

-	 *         the root of the Model

-	 *         //TODO : should be moved in the ModelExplorer

-	 */

-	public static final EObject getRootInModelExplorer(final ModelExplorerView view) {

-		view.getCommonViewer().expandToLevel(2);

-

-		// store the root of the model

-		final Object[] visibleElement = view.getCommonViewer().getVisibleExpandedElements();

-		EObject modelRoot = null;

-		if(visibleElement.length > 0) {

-			modelRoot = EMFHelper.getEObject(visibleElement[0]);

-		}

-		Assert.assertNotNull(modelRoot);

-		while(modelRoot.eContainer() != null) {

-			modelRoot = modelRoot.eContainer();

-		}

-		return modelRoot;

-	}

-

-	/**

-	 * 

-	 * @param actionContext

-	 *        the creation context

-	 * @param wantedResult

-	 *        the wanted result

-	 */

-	public static final void testHandlerStatusInModelExplorer(final ModelExplorerView view, final String commandToTest, final EObject actionContext, boolean wantedResult) {

-		setSelectionInTheModelexplorer(view, Collections.singletonList(actionContext));

-		ICommandService commandService = (ICommandService)PlatformUI.getWorkbench().getService(ICommandService.class);

-		Command cmd = commandService.getCommand(commandToTest);

-		IHandler handler = cmd.getHandler();

-		if(handler instanceof AbstractHandler) {

-			((AbstractHandler)handler).setEnabled(commandToTest);

-		}

-		boolean res = handler.isEnabled();

-		Assert.assertEquals(wantedResult, res);

-	}

-

-	/**

-	 * Execute an editor command creation and returns the current papyrus nested editor (you must verify that it is the correct editor to be sure of

-	 * the command execution)

-	 * 

-	 * @param currentPapyrusEditor

-	 *        the current PapyrusEditor

-	 * @param view

-	 *        the model explorer view

-	 * @param commandToExecute

-	 *        the command to execute

-	 * @param actionContext

-	 *        the context used for the commadn (the selected elements)

-	 * @param bundelID

-	 *        the bundle id

-	 * 

-	 * @return

-	 *         the current papyrus nested editor (you must verify that it is the correct editor to be sure of

-	 *         the command execution)

-	 */

-	public static final Object executeCreateNestedEditorHandlerInModelExplorer(final IMultiDiagramEditor currentPapyrusEditor, final ModelExplorerView view, final String commandToExecute, final EObject actionContext, final String bundelID) {

-		setSelectionInTheModelexplorer(view, Collections.singletonList(actionContext));

-		ICommandService commandService = (ICommandService)PlatformUI.getWorkbench().getService(ICommandService.class);

-		final Command cmd = commandService.getCommand(commandToExecute);

-		final IHandler handler = cmd.getHandler();

-		if(handler instanceof AbstractHandler) {

-			((AbstractHandler)handler).setEnabled(commandToExecute);

-		}

-		final RunnableWithResult<?> runnableWithResult = new RunnableWithResult.Impl<Object>() {

-

-			public void run() {

-				try {

-					handler.execute(new ExecutionEvent(cmd, Collections.emptyMap(), null, null));

-				} catch (ExecutionException e) {

-					setStatus(new Status(IStatus.ERROR, bundelID, e.getMessage()));

-				}

-

-				IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();

-				IEditorPart activeEditor = activePage.getActiveEditor();

-				if(currentPapyrusEditor != activeEditor) {

-					setStatus(new Status(IStatus.ERROR, bundelID, "The current active editor is not the wanted Papyrus Editor"));

-				}

-

-				setResult(currentPapyrusEditor.getActiveEditor());

-				setStatus(Status.OK_STATUS);

-			}

-		};

-		Display.getDefault().syncExec(runnableWithResult);

-		Assert.assertEquals(runnableWithResult.getStatus().getMessage(), IStatus.OK, runnableWithResult.getStatus().getSeverity());

-		Object result = runnableWithResult.getResult();

-		Assert.assertNotNull(result);

-		return result;

-	}

-}

+/*****************************************************************************
+ * Copyright (c) 2012, 2014 CEA LIST and others.
+ *
+ *    
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *  Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation
+ *  Christian W. Damus (CEA) - bug 386118
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.junit.utils;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.Command;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.commands.IHandler;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.transaction.RunnableWithResult;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.papyrus.infra.core.editor.IMultiDiagramEditor;
+import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
+import org.eclipse.papyrus.views.modelexplorer.ModelExplorerPage;
+import org.eclipse.papyrus.views.modelexplorer.ModelExplorerPageBookView;
+import org.eclipse.papyrus.views.modelexplorer.ModelExplorerView;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.commands.ICommandService;
+import org.eclipse.ui.part.IPage;
+import org.junit.Assert;
+
+/**
+ * Useful methods for the ModelExplorer view
+ */
+public class ModelExplorerUtils {
+
+	/**
+	 * the ID of the ModelExplorerView
+	 */
+	private static final String ModelExplorerViewId = "org.eclipse.papyrus.views.modelexplorer.modelexplorer"; //$NON-NLS-1$
+
+	private ModelExplorerUtils() {
+		// to prevent instanciation
+	}
+
+	/**
+	 * 
+	 * @return
+	 *         the opened modelexplorer. Warning, it should be better that Papyrus was opened yet
+	 * @throws PartInitException
+	 */
+	public static ModelExplorerView openModelExplorerView() throws PartInitException {
+		IViewPart modelexplorer = null;
+		modelexplorer = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().showView(ModelExplorerViewId);
+		final ModelExplorerPageBookView view = (ModelExplorerPageBookView)modelexplorer;
+		final IPage currentPage = view.getCurrentPage();
+		final ModelExplorerPage page = (ModelExplorerPage)currentPage;
+		final IViewPart viewer = page.getViewer();
+		Assert.assertNotNull(viewer);
+		viewer.setFocus();
+		return (ModelExplorerView)viewer;
+	}
+
+	/**
+	 * 
+	 * @param view
+	 *        the modelexplorer to manipulate
+	 * @param elements
+	 *        the elements to select
+	 */
+	public static void setSelectionInTheModelexplorer(final ModelExplorerView view, List<?> elements) {
+		view.revealSemanticElement(elements);
+		final List<?> currentSelection = getCurrentSelectionInTheModelExplorer();
+		Assert.assertTrue("The current selection is not the wanted selection", elements.containsAll(currentSelection)); //$NON-NLS-1$
+		Assert.assertTrue("The current selection is not the wanted selection", currentSelection.containsAll(elements)); //$NON-NLS-1$
+	}
+
+	/**
+	 * 
+	 * @return
+	 *         the object selected in the ModelExplorer
+	 *         //TODO : should be moved in the ModelExplorer
+	 */
+	public static List<?> getCurrentSelectionInTheModelExplorer() {
+		final List<Object> selection = new ArrayList<Object>();
+		IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		if (activeWorkbenchWindow!=null){
+			final IStructuredSelection currentSelection = (IStructuredSelection)activeWorkbenchWindow.getSelectionService().getSelection(ModelExplorerViewId);
+			final Iterator<?> iter = currentSelection.iterator();
+			while(iter.hasNext()) {
+				final Object current = iter.next();
+				EObject eObject = EMFHelper.getEObject(current);
+				if(eObject != null) {
+					selection.add(eObject);
+				} else {
+					selection.add(current);
+				}
+			}			
+		}
+		return selection;
+	}
+
+	/**
+	 * 
+	 * @param view
+	 *        the ModelExplorerView
+	 * @return
+	 *         the root of the Model
+	 *         //TODO : should be moved in the ModelExplorer
+	 */
+	public static final EObject getRootInModelExplorer(final ModelExplorerView view) {
+		view.getCommonViewer().expandToLevel(2);
+
+		// store the root of the model
+		final Object[] visibleElement = view.getCommonViewer().getVisibleExpandedElements();
+		EObject modelRoot = null;
+		if(visibleElement.length > 0) {
+			modelRoot = EMFHelper.getEObject(visibleElement[0]);
+		}
+		Assert.assertNotNull(modelRoot);
+		while(modelRoot.eContainer() != null) {
+			modelRoot = modelRoot.eContainer();
+		}
+		return modelRoot;
+	}
+
+	/**
+	 * 
+	 * @param actionContext
+	 *        the creation context
+	 * @param wantedResult
+	 *        the wanted result
+	 */
+	public static final void testHandlerStatusInModelExplorer(final ModelExplorerView view, final String commandToTest, final EObject actionContext, boolean wantedResult) {
+		setSelectionInTheModelexplorer(view, Collections.singletonList(actionContext));
+		ICommandService commandService = (ICommandService)PlatformUI.getWorkbench().getService(ICommandService.class);
+		Command cmd = commandService.getCommand(commandToTest);
+		IHandler handler = cmd.getHandler();
+		if(handler instanceof AbstractHandler) {
+			((AbstractHandler)handler).setEnabled(commandToTest);
+		}
+		boolean res = handler.isEnabled();
+		Assert.assertEquals(wantedResult, res);
+	}
+
+	/**
+	 * Execute an editor command creation and returns the current papyrus nested editor (you must verify that it is the correct editor to be sure of
+	 * the command execution)
+	 * 
+	 * @param currentPapyrusEditor
+	 *        the current PapyrusEditor
+	 * @param view
+	 *        the model explorer view
+	 * @param commandToExecute
+	 *        the command to execute
+	 * @param actionContext
+	 *        the context used for the commadn (the selected elements)
+	 * @param bundelID
+	 *        the bundle id
+	 * 
+	 * @return
+	 *         the current papyrus nested editor (you must verify that it is the correct editor to be sure of
+	 *         the command execution)
+	 */
+	public static final Object executeCreateNestedEditorHandlerInModelExplorer(final IMultiDiagramEditor currentPapyrusEditor, final ModelExplorerView view, final String commandToExecute, final EObject actionContext, final String bundelID) {
+		setSelectionInTheModelexplorer(view, Collections.singletonList(actionContext));
+		ICommandService commandService = (ICommandService)PlatformUI.getWorkbench().getService(ICommandService.class);
+		final Command cmd = commandService.getCommand(commandToExecute);
+		final IHandler handler = cmd.getHandler();
+		if(handler instanceof AbstractHandler) {
+			((AbstractHandler)handler).setEnabled(commandToExecute);
+		}
+		final RunnableWithResult<?> runnableWithResult = new RunnableWithResult.Impl<Object>() {
+
+			public void run() {
+				try {
+					handler.execute(new ExecutionEvent(cmd, Collections.emptyMap(), null, null));
+				} catch (ExecutionException e) {
+					setStatus(new Status(IStatus.ERROR, bundelID, e.getMessage()));
+				}
+
+				IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
+				IEditorPart activeEditor = activePage.getActiveEditor();
+				if(currentPapyrusEditor != activeEditor) {
+					setStatus(new Status(IStatus.ERROR, bundelID, "The current active editor is not the wanted Papyrus Editor")); //$NON-NLS-1$
+				}
+
+				setResult(currentPapyrusEditor.getActiveEditor());
+				setStatus(Status.OK_STATUS);
+			}
+		};
+		Display.getDefault().syncExec(runnableWithResult);
+		Assert.assertEquals(runnableWithResult.getStatus().getMessage(), IStatus.OK, runnableWithResult.getStatus().getSeverity());
+		Object result = runnableWithResult.getResult();
+		Assert.assertNotNull(result);
+		return result;
+	}
+}
diff --git a/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/PackageExplorerUtils.java b/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/PackageExplorerUtils.java
index d6ef585d17e..cb3e3f1b8c6 100644
--- a/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/PackageExplorerUtils.java
+++ b/tests/junit/plugins/junit/org.eclipse.papyrus.junit.utils/src/org/eclipse/papyrus/junit/utils/PackageExplorerUtils.java
@@ -1,91 +1,91 @@
-/*****************************************************************************

- * Copyright (c) 2012 CEA LIST.

- *

- *    

- * All rights reserved. This program and the accompanying materials

- * are made available under the terms of the Eclipse Public License v1.0

- * which accompanies this distribution, and is available at

- * http://www.eclipse.org/legal/epl-v10.html

- *

- * Contributors:

- *  Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation

- *

- *****************************************************************************/

-package org.eclipse.papyrus.junit.utils;

-

-import java.util.List;

-

-import org.eclipse.jdt.ui.IPackagesViewPart;

-import org.eclipse.jface.viewers.IStructuredSelection;

-import org.eclipse.ui.IViewPart;

-import org.eclipse.ui.IWorkbenchWindow;

-import org.eclipse.ui.PartInitException;

-import org.eclipse.ui.PlatformUI;

-import org.junit.Assert;

-

-/**

- * 

- * Utils Methods for the Package Explorer

- * 

- */

-public class PackageExplorerUtils {

-

-	/** ID of the Package Explorer View */

-	private static final String PACKAGE_EXPLORER_VIEW_ID = "org.eclipse.jdt.ui.PackageExplorer";

-

-	/**

-	 * This methods opens the PackageExplorerView, and give it the focus

-	 * 

-	 * @throws PartInitException

-	 */

-	public static final IPackagesViewPart openPackageExplorerView() throws PartInitException {

-		final IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

-		IPackagesViewPart pack = null;

-		IViewPart packageExplorer = activeWorkbenchWindow.getActivePage().showView(PACKAGE_EXPLORER_VIEW_ID);

-		pack = (IPackagesViewPart)packageExplorer;

-		Assert.assertNotNull(pack);

-		pack.setFocus();

-		return pack;

-

-	}

-

-	/**

-	 * Set the selection in the PackageExplorer

-	 * 

-	 * @param packageExplorer

-	 *        the package explorer

-	 * @param newSelection

-	 *        the new selection

-	 */

-	public static final void setSelectionInPackageExplorerView(final IPackagesViewPart packageExplorer, final IStructuredSelection newSelection) {

-		packageExplorer.getTreeViewer().expandAll();

-		packageExplorer.getTreeViewer().setSelection(newSelection);

-		//we verify that the current selection is correct in the PackageExplorer

-		IStructuredSelection currentSelection = (IStructuredSelection)packageExplorer.getTreeViewer().getSelection();

-		Assert.assertEquals("Package Explorer: The current selection is not the same as the wanted selection", currentSelection.toList(), newSelection.toList());

-

-		//we verify that the current selection is correct using the selection service

-		currentSelection = getCurrentSelectionInPackageExplorerView();

-		Assert.assertEquals("Package Explorer: The SelectionService doesn't return the wanted selection", currentSelection.toList(), newSelection.toList());

-	}

-

-	/**

-	 * 

-	 * @return

-	 *         the current selection in the PackageExplorer

-	 */

-	public static final IStructuredSelection getCurrentSelectionInPackageExplorerView() {

-		return (IStructuredSelection)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection(PACKAGE_EXPLORER_VIEW_ID);

-	}

-

-	/**

-	 * 

-	 * @return

-	 *         the current selection in the PackageExplorer as List

-	 */

-	public static final List<?> getCurrentSelectionAsListInPackageExplorerView() {

-		final IStructuredSelection selection = (IStructuredSelection)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection(PACKAGE_EXPLORER_VIEW_ID);

-		final List<?> list = selection.toList();

-		return list;

-	}

-}

+/*****************************************************************************
+ * Copyright (c) 2012 CEA LIST.
+ *
+ *    
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *  Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.junit.utils;
+
+import java.util.List;
+
+import org.eclipse.jdt.ui.IPackagesViewPart;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.PlatformUI;
+import org.junit.Assert;
+
+/**
+ * 
+ * Utils Methods for the Package Explorer
+ * 
+ */
+public class PackageExplorerUtils {
+
+	/** ID of the Package Explorer View */
+	private static final String PACKAGE_EXPLORER_VIEW_ID = "org.eclipse.jdt.ui.PackageExplorer"; //$NON-NLS-1$
+
+	/**
+	 * This methods opens the PackageExplorerView, and give it the focus
+	 * 
+	 * @throws PartInitException
+	 */
+	public static final IPackagesViewPart openPackageExplorerView() throws PartInitException {
+		final IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		IPackagesViewPart pack = null;
+		IViewPart packageExplorer = activeWorkbenchWindow.getActivePage().showView(PACKAGE_EXPLORER_VIEW_ID);
+		pack = (IPackagesViewPart)packageExplorer;
+		Assert.assertNotNull(pack);
+		pack.setFocus();
+		return pack;
+
+	}
+
+	/**
+	 * Set the selection in the PackageExplorer
+	 * 
+	 * @param packageExplorer
+	 *        the package explorer
+	 * @param newSelection
+	 *        the new selection
+	 */
+	public static final void setSelectionInPackageExplorerView(final IPackagesViewPart packageExplorer, final IStructuredSelection newSelection) {
+		packageExplorer.getTreeViewer().expandAll();
+		packageExplorer.getTreeViewer().setSelection(newSelection);
+		//we verify that the current selection is correct in the PackageExplorer
+		IStructuredSelection currentSelection = (IStructuredSelection)packageExplorer.getTreeViewer().getSelection();
+		Assert.assertEquals("Package Explorer: The current selection is not the same as the wanted selection", currentSelection.toList(), newSelection.toList()); //$NON-NLS-1$
+
+		//we verify that the current selection is correct using the selection service
+		currentSelection = getCurrentSelectionInPackageExplorerView();
+		Assert.assertEquals("Package Explorer: The SelectionService doesn't return the wanted selection", currentSelection.toList(), newSelection.toList()); //$NON-NLS-1$
+	}
+
+	/**
+	 * 
+	 * @return
+	 *         the current selection in the PackageExplorer
+	 */
+	public static final IStructuredSelection getCurrentSelectionInPackageExplorerView() {
+		return (IStructuredSelection)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection(PACKAGE_EXPLORER_VIEW_ID);
+	}
+
+	/**
+	 * 
+	 * @return
+	 *         the current selection in the PackageExplorer as List
+	 */
+	public static final List<?> getCurrentSelectionAsListInPackageExplorerView() {
+		final IStructuredSelection selection = (IStructuredSelection)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection(PACKAGE_EXPLORER_VIEW_ID);
+		final List<?> list = selection.toList();
+		return list;
+	}
+}