plugins/org.eclipse.acceleo.profiler.editor/src/org/eclipse/acceleo/profiler/presentation/ProfilerEditor.java - acceleo/org.eclipse.acceleo - Git at Google

 /*******************************************************************************
  * Copyright (c) 2008, 2012 Obeo.
  * 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:
  *     Obeo - initial API and implementation
  *******************************************************************************/
 package org.eclipse.acceleo.profiler.presentation;

 import java.text.DecimalFormat;
 import java.text.NumberFormat;
 import java.util.Collection;
 import java.util.Iterator;

 import org.eclipse.acceleo.profiler.ProfileEntry;
 import org.eclipse.acceleo.profiler.ProfilerPackage;
 import org.eclipse.acceleo.profiler.provider.ProfilerItemProviderAdapterFactorySpec;
 import org.eclipse.emf.ecore.presentation.EcoreEditor;
 import org.eclipse.emf.ecore.presentation.EcoreEditorPlugin;
 import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
 import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
 import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.IStatusLineManager;
 import org.eclipse.jface.action.IToolBarManager;
 import org.eclipse.jface.viewers.DoubleClickEvent;
 import org.eclipse.jface.viewers.IDoubleClickListener;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TreeSelection;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerComparator;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;

 /**
  * This class implements the profiler editor.
  *
  * @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a>
  */
 public final class ProfilerEditor extends EcoreEditor {

 	/**
 	 * Initialize the Profiler metamodele.
 	 */
 	@SuppressWarnings("unused")
 	private static final ProfilerPackage PKG = ProfilerPackage.eINSTANCE;

 	/** The current sort status of the view. */
 	protected ProfilerSortStatus sortStatus = new ProfilerSortStatus();

 	/**
 	 * Constructor.
 	 */
 	public ProfilerEditor() {
 		super();

 		adapterFactory.addAdapterFactory(new ProfilerItemProviderAdapterFactorySpec());
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecore.presentation.EcoreEditor#createPages()
 	 */
 	@Override
 	public void createPages() {
 		super.createPages();

 		selectionViewer.addDoubleClickListener(new IDoubleClickListener() {
 			public void doubleClick(DoubleClickEvent event) {
 				final Object selected = ((TreeSelection)event.getSelection()).getFirstElement();
 				if (selected instanceof ProfileEntry) {
 					// TODO open template editor
 				}
 			}

 		});

 		selectionViewer.setComparator(new ViewerComparator() {
 			/* (non-Javadoc) */
 			@Override
 			public int compare(Viewer viewer, Object e1, Object e2) {
 				int ret = 0;
 				if (e1 instanceof ProfileEntry && e2 instanceof ProfileEntry) {
 					ProfileEntry entry1 = (ProfileEntry)e1;
 					ProfileEntry entry2 = (ProfileEntry)e2;
 					switch (sortStatus.getSortOrder()) {
 						case ProfilerSortStatus.SORT_BY_CREATION_TIME:
 							ret = (int)(entry1.getCreateTime() - entry2.getCreateTime());
 							break;
 						case ProfilerSortStatus.SORT_BY_TIME:
 							ret = (int)(entry2.getDuration() - entry1.getDuration());
 							break;
 						default:
 							// nothing to do here
 							break;
 					}
 				}
 				return ret;
 			}
 		});

 		selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory) {

 			@Override
 			public Object[] getChildren(Object object) {
 				if (object instanceof ProfileEntry) {
 					return ((ProfileEntry)object).getCallees().toArray();
 				}
 				return super.getChildren(object);
 			}

 			@Override
 			public Object[] getElements(Object object) {
 				return getChildren(object);
 			}
 		});

 		IToolBarManager toolBarManager = getActionBars().getToolBarManager();
 		toolBarManager.add(new ProfilerSortAction(sortStatus, selectionViewer));
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecore.presentation.EcoreEditor#getContentOutlinePage()
 	 */
 	@Override
 	public IContentOutlinePage getContentOutlinePage() {
 		if (contentOutlinePage == null) {
 			/**
 			 * The content outline is just a tree.
 			 *
 			 * @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a>
 			 */
 			@SuppressWarnings("synthetic-access")
 			class MyContentOutlinePage extends ContentOutlinePage {
 				/**
 				 * {@inheritDoc}
 				 *
 				 * @see org.eclipse.ui.views.contentoutline.ContentOutlinePage#createControl(org.eclipse.swt.widgets.Composite)
 				 */
 				@Override
 				public void createControl(Composite parent) {
 					super.createControl(parent);
 					contentOutlineViewer = getTreeViewer();
 					contentOutlineViewer.addSelectionChangedListener(this);

 					// Set up the tree viewer.
 					//
 					contentOutlineViewer
 							.setContentProvider(new ProfilerOutlineContentProvider(adapterFactory));
 					contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
 					contentOutlineViewer.setInput(editingDomain.getResourceSet());

 					// Make sure our popups work.
 					//
 					createContextMenuFor(contentOutlineViewer);

 					if (!editingDomain.getResourceSet().getResources().isEmpty()) {
 						// Select the root object in the view.
 						//
 						contentOutlineViewer.setSelection(StructuredSelection.EMPTY, true);
 					}
 				}

 				/**
 				 * {@inheritDoc}
 				 *
 				 * @see org.eclipse.ui.views.contentoutline.ContentOutlinePage#makeContributions(org.eclipse.jface.action.IMenuManager,
 				 *      org.eclipse.jface.action.IToolBarManager, org.eclipse.jface.action.IStatusLineManager)
 				 */
 				@Override
 				public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager,
 						IStatusLineManager statusLineManager) {
 					super.makeContributions(menuManager, toolBarManager, statusLineManager);
 					contentOutlineStatusLineManager = statusLineManager;
 				}

 				/**
 				 * {@inheritDoc}
 				 *
 				 * @see org.eclipse.ui.views.contentoutline.ContentOutlinePage#setActionBars(org.eclipse.ui.IActionBars)
 				 */
 				@Override
 				public void setActionBars(IActionBars actionBars) {
 					super.setActionBars(actionBars);
 					getActionBarContributor().shareGlobalActions(this, actionBars);
 				}
 			}

 			contentOutlinePage = new MyContentOutlinePage();

 			// Listen to selection so that we can handle it is a special way.
 			//
 			contentOutlinePage.addSelectionChangedListener(new ISelectionChangedListener() {
 				// This ensures that we handle selections correctly.
 				//
 				public void selectionChanged(SelectionChangedEvent event) {
 					handleContentOutlineSelection(event.getSelection());
 				}
 			});
 		}

 		return contentOutlinePage;
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecore.presentation.EcoreEditor#setStatusLineManager(org.eclipse.jface.viewers.ISelection)
 	 */
 	@Override
 	public void setStatusLineManager(ISelection selection) {
 		IStatusLineManager statusLineManager = null;
 		if (currentViewer != null && currentViewer == contentOutlineViewer) {
 			statusLineManager = contentOutlineStatusLineManager;
 		} else {
 			statusLineManager = getActionBars().getStatusLineManager();
 		}

 		if (statusLineManager != null) {
 			if (selection instanceof IStructuredSelection) {
 				Collection<?> collection = ((IStructuredSelection)selection).toList();
 				switch (collection.size()) {
 					case 0:
 						statusLineManager.setMessage(getString("_UI_NoObjectSelected")); //$NON-NLS-1$
 						break;
 					case 1:
 						String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection
 								.iterator().next());
 						statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text)); //$NON-NLS-1$
 						break;
 					default:
 						final Iterator<?> it = collection.iterator();
 						double percentage = 0;
 						long duration = 0;
 						long count = 0;
 						while (it.hasNext()) {
 							final Object select = it.next();
 							if (select instanceof ProfileEntry) {
 								final ProfileEntry entry = (ProfileEntry)select;
 								percentage += entry.getPercentage();
 								duration += entry.getDuration();
 								count += entry.getCount();
 							}
 						}
 						final NumberFormat format = new DecimalFormat();
 						format.setMaximumIntegerDigits(3);
 						format.setMaximumFractionDigits(2);
 						final String statusString = Integer.toString(collection.size()) + " [" //$NON-NLS-1$
 								+ format.format(percentage) + "% / " + duration + "ms / " + count + " times]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 						statusLineManager.setMessage(getString("_UI_MultiObjectSelected", statusString)); //$NON-NLS-1$
 						break;
 				}
 			} else {
 				statusLineManager.setMessage(""); //$NON-NLS-1$
 			}
 		}
 	}

 	/**
 	 * This looks up a string in the plugin's plugin.properties file.
 	 *
 	 * @param key
 	 *            message key in the properties file
 	 * @return the message string
 	 */
 	private static String getString(String key) {
 		return ProfilerEditorPlugin.INSTANCE.getString(key);
 	}

 	/**
 	 * This looks up a string in plugin.properties, making a substitution.
 	 *
 	 * @param key
 	 *            message key in the properties file
 	 * @param s1
 	 *            the object to substitute
 	 * @return the message string
 	 */
 	private static String getString(String key, Object s1) {
 		return EcoreEditorPlugin.INSTANCE.getString(key, new Object[] {s1 });
 	}

 	/**
 	 * Selection changed listener.
 	 *
 	 * @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a>
 	 */
 	@SuppressWarnings("synthetic-access")
 	private final class ChangementListener implements ISelectionChangedListener {
 		/**
 		 * {@inheritDoc}
 		 *
 		 * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
 		 */
 		public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
 			setSelection(selectionChangedEvent.getSelection());
 			if (currentViewer != contentOutlineViewer && contentOutlineViewer != null
 					&& !contentOutlineViewer.getControl().isDisposed()) {
 				if (contentOutlineViewer.getContentProvider() == null) {
 					contentOutlineViewer
 							.setContentProvider(new ProfilerOutlineContentProvider(adapterFactory));
 				}
 				contentOutlineViewer.setInput(((TreeSelection)selectionChangedEvent.getSelection())
 						.getFirstElement());
 			}
 		}
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecore.presentation.EcoreEditor#setCurrentViewer(org.eclipse.jface.viewers.Viewer)
 	 */
 	@SuppressWarnings("synthetic-access")
 	@Override
 	public void setCurrentViewer(Viewer viewer) {
 		// If it is changing...
 		//
 		if (currentViewer != viewer) {
 			if (selectionChangedListener == null) {
 				// Create the listener on demand.
 				//
 				selectionChangedListener = new ChangementListener();
 			}

 			// Stop listening to the old one.
 			//
 			if (currentViewer != null) {
 				currentViewer.removeSelectionChangedListener(selectionChangedListener);
 			}

 			// Start listening to the new one.
 			//
 			if (viewer != null) {
 				viewer.addSelectionChangedListener(selectionChangedListener);
 			}

 			// Remember it.
 			//
 			currentViewer = viewer;

 			// Set the editors selection based on the current viewer's
 			// selection.
 			//
 			if (currentViewer == null) {
 				setSelection(StructuredSelection.EMPTY);
 			} else {
 				setSelection(currentViewer.getSelection());
 			}
 		}
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecore.presentation.EcoreEditor#showOutlineView()
 	 */
 	@Override
 	protected boolean showOutlineView() {
 		return true;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2008, 2012 Obeo.
	* 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:
	* Obeo - initial API and implementation
	*******************************************************************************/
	package org.eclipse.acceleo.profiler.presentation;

	import java.text.DecimalFormat;
	import java.text.NumberFormat;
	import java.util.Collection;
	import java.util.Iterator;

	import org.eclipse.acceleo.profiler.ProfileEntry;
	import org.eclipse.acceleo.profiler.ProfilerPackage;
	import org.eclipse.acceleo.profiler.provider.ProfilerItemProviderAdapterFactorySpec;
	import org.eclipse.emf.ecore.presentation.EcoreEditor;
	import org.eclipse.emf.ecore.presentation.EcoreEditorPlugin;
	import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
	import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
	import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
	import org.eclipse.jface.action.IMenuManager;
	import org.eclipse.jface.action.IStatusLineManager;
	import org.eclipse.jface.action.IToolBarManager;
	import org.eclipse.jface.viewers.DoubleClickEvent;
	import org.eclipse.jface.viewers.IDoubleClickListener;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TreeSelection;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.viewers.ViewerComparator;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
	import org.eclipse.ui.views.contentoutline.IContentOutlinePage;

	/**
	* This class implements the profiler editor.
	*
	* @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a>
	*/
	public final class ProfilerEditor extends EcoreEditor {

	/**
	* Initialize the Profiler metamodele.
	*/
	@SuppressWarnings("unused")
	private static final ProfilerPackage PKG = ProfilerPackage.eINSTANCE;

	/** The current sort status of the view. */
	protected ProfilerSortStatus sortStatus = new ProfilerSortStatus();

	/**
	* Constructor.
	*/
	public ProfilerEditor() {
	super();

	adapterFactory.addAdapterFactory(new ProfilerItemProviderAdapterFactorySpec());
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecore.presentation.EcoreEditor#createPages()
	*/
	@Override
	public void createPages() {
	super.createPages();

	selectionViewer.addDoubleClickListener(new IDoubleClickListener() {
	public void doubleClick(DoubleClickEvent event) {
	final Object selected = ((TreeSelection)event.getSelection()).getFirstElement();
	if (selected instanceof ProfileEntry) {
	// TODO open template editor
	}
	}

	});

	selectionViewer.setComparator(new ViewerComparator() {
	/* (non-Javadoc) */
	@Override
	public int compare(Viewer viewer, Object e1, Object e2) {
	int ret = 0;
	if (e1 instanceof ProfileEntry && e2 instanceof ProfileEntry) {
	ProfileEntry entry1 = (ProfileEntry)e1;
	ProfileEntry entry2 = (ProfileEntry)e2;
	switch (sortStatus.getSortOrder()) {
	case ProfilerSortStatus.SORT_BY_CREATION_TIME:
	ret = (int)(entry1.getCreateTime() - entry2.getCreateTime());
	break;
	case ProfilerSortStatus.SORT_BY_TIME:
	ret = (int)(entry2.getDuration() - entry1.getDuration());
	break;
	default:
	// nothing to do here
	break;
	}
	}
	return ret;
	}
	});

	selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory) {

	@Override
	public Object[] getChildren(Object object) {
	if (object instanceof ProfileEntry) {
	return ((ProfileEntry)object).getCallees().toArray();
	}
	return super.getChildren(object);
	}

	@Override
	public Object[] getElements(Object object) {
	return getChildren(object);
	}
	});

	IToolBarManager toolBarManager = getActionBars().getToolBarManager();
	toolBarManager.add(new ProfilerSortAction(sortStatus, selectionViewer));
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecore.presentation.EcoreEditor#getContentOutlinePage()
	*/
	@Override
	public IContentOutlinePage getContentOutlinePage() {
	if (contentOutlinePage == null) {
	/**
	* The content outline is just a tree.
	*
	* @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a>
	*/
	@SuppressWarnings("synthetic-access")
	class MyContentOutlinePage extends ContentOutlinePage {
	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.ui.views.contentoutline.ContentOutlinePage#createControl(org.eclipse.swt.widgets.Composite)
	*/
	@Override
	public void createControl(Composite parent) {
	super.createControl(parent);
	contentOutlineViewer = getTreeViewer();
	contentOutlineViewer.addSelectionChangedListener(this);

	// Set up the tree viewer.
	//
	contentOutlineViewer
	.setContentProvider(new ProfilerOutlineContentProvider(adapterFactory));
	contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
	contentOutlineViewer.setInput(editingDomain.getResourceSet());

	// Make sure our popups work.
	//
	createContextMenuFor(contentOutlineViewer);

	if (!editingDomain.getResourceSet().getResources().isEmpty()) {
	// Select the root object in the view.
	//
	contentOutlineViewer.setSelection(StructuredSelection.EMPTY, true);
	}
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.ui.views.contentoutline.ContentOutlinePage#makeContributions(org.eclipse.jface.action.IMenuManager,
	* org.eclipse.jface.action.IToolBarManager, org.eclipse.jface.action.IStatusLineManager)
	*/
	@Override
	public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager,
	IStatusLineManager statusLineManager) {
	super.makeContributions(menuManager, toolBarManager, statusLineManager);
	contentOutlineStatusLineManager = statusLineManager;
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.ui.views.contentoutline.ContentOutlinePage#setActionBars(org.eclipse.ui.IActionBars)
	*/
	@Override
	public void setActionBars(IActionBars actionBars) {
	super.setActionBars(actionBars);
	getActionBarContributor().shareGlobalActions(this, actionBars);
	}
	}

	contentOutlinePage = new MyContentOutlinePage();

	// Listen to selection so that we can handle it is a special way.
	//
	contentOutlinePage.addSelectionChangedListener(new ISelectionChangedListener() {
	// This ensures that we handle selections correctly.
	//
	public void selectionChanged(SelectionChangedEvent event) {
	handleContentOutlineSelection(event.getSelection());
	}
	});
	}

	return contentOutlinePage;
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecore.presentation.EcoreEditor#setStatusLineManager(org.eclipse.jface.viewers.ISelection)
	*/
	@Override
	public void setStatusLineManager(ISelection selection) {
	IStatusLineManager statusLineManager = null;
	if (currentViewer != null && currentViewer == contentOutlineViewer) {
	statusLineManager = contentOutlineStatusLineManager;
	} else {
	statusLineManager = getActionBars().getStatusLineManager();
	}

	if (statusLineManager != null) {
	if (selection instanceof IStructuredSelection) {
	Collection<?> collection = ((IStructuredSelection)selection).toList();
	switch (collection.size()) {
	case 0:
	statusLineManager.setMessage(getString("_UI_NoObjectSelected")); //$NON-NLS-1$
	break;
	case 1:
	String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection
	.iterator().next());
	statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text)); //$NON-NLS-1$
	break;
	default:
	final Iterator<?> it = collection.iterator();
	double percentage = 0;
	long duration = 0;
	long count = 0;
	while (it.hasNext()) {
	final Object select = it.next();
	if (select instanceof ProfileEntry) {
	final ProfileEntry entry = (ProfileEntry)select;
	percentage += entry.getPercentage();
	duration += entry.getDuration();
	count += entry.getCount();
	}
	}
	final NumberFormat format = new DecimalFormat();
	format.setMaximumIntegerDigits(3);
	format.setMaximumFractionDigits(2);
	final String statusString = Integer.toString(collection.size()) + " [" //$NON-NLS-1$
	+ format.format(percentage) + "% / " + duration + "ms / " + count + " times]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	statusLineManager.setMessage(getString("_UI_MultiObjectSelected", statusString)); //$NON-NLS-1$
	break;
	}
	} else {
	statusLineManager.setMessage(""); //$NON-NLS-1$
	}
	}
	}

	/**
	* This looks up a string in the plugin's plugin.properties file.
	*
	* @param key
	* message key in the properties file
	* @return the message string
	*/
	private static String getString(String key) {
	return ProfilerEditorPlugin.INSTANCE.getString(key);
	}

	/**
	* This looks up a string in plugin.properties, making a substitution.
	*
	* @param key
	* message key in the properties file
	* @param s1
	* the object to substitute
	* @return the message string
	*/
	private static String getString(String key, Object s1) {
	return EcoreEditorPlugin.INSTANCE.getString(key, new Object[] {s1 });
	}

	/**
	* Selection changed listener.
	*
	* @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a>
	*/
	@SuppressWarnings("synthetic-access")
	private final class ChangementListener implements ISelectionChangedListener {
	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
	*/
	public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
	setSelection(selectionChangedEvent.getSelection());
	if (currentViewer != contentOutlineViewer && contentOutlineViewer != null
	&& !contentOutlineViewer.getControl().isDisposed()) {
	if (contentOutlineViewer.getContentProvider() == null) {
	contentOutlineViewer
	.setContentProvider(new ProfilerOutlineContentProvider(adapterFactory));
	}
	contentOutlineViewer.setInput(((TreeSelection)selectionChangedEvent.getSelection())
	.getFirstElement());
	}
	}
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecore.presentation.EcoreEditor#setCurrentViewer(org.eclipse.jface.viewers.Viewer)
	*/
	@SuppressWarnings("synthetic-access")
	@Override
	public void setCurrentViewer(Viewer viewer) {
	// If it is changing...
	//
	if (currentViewer != viewer) {
	if (selectionChangedListener == null) {
	// Create the listener on demand.
	//
	selectionChangedListener = new ChangementListener();
	}

	// Stop listening to the old one.
	//
	if (currentViewer != null) {
	currentViewer.removeSelectionChangedListener(selectionChangedListener);
	}

	// Start listening to the new one.
	//
	if (viewer != null) {
	viewer.addSelectionChangedListener(selectionChangedListener);
	}

	// Remember it.
	//
	currentViewer = viewer;

	// Set the editors selection based on the current viewer's
	// selection.
	//
	if (currentViewer == null) {
	setSelection(StructuredSelection.EMPTY);
	} else {
	setSelection(currentViewer.getSelection());
	}
	}
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecore.presentation.EcoreEditor#showOutlineView()
	*/
	@Override
	protected boolean showOutlineView() {
	return true;
	}
	}