org.eclipse.modisco.infra.facet.editor/src-gen/org/eclipse/gmt/modisco/infra/facet/editor/presentation/FacetActionBarContributor.java - modisco/org.eclipse.modisco - Git at Google

 /**
  * Copyright (c) 2009 Mia-Software.
  * 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:
  *     Frederic Madiot (Mia-Software) - meta-model design
  *     Gregoire DUPE (Mia-Software) - design and implementation
  *
  *
  * $Id$
  */
 package org.eclipse.gmt.modisco.infra.facet.editor.presentation;

 import java.util.ArrayList;
 import java.util.Collection;

 import org.eclipse.emf.common.ui.viewer.IViewerProvider;
 import org.eclipse.emf.edit.domain.EditingDomain;
 import org.eclipse.emf.edit.domain.IEditingDomainProvider;
 import org.eclipse.emf.edit.ui.action.ControlAction;
 import org.eclipse.emf.edit.ui.action.CreateChildAction;
 import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
 import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
 import org.eclipse.emf.edit.ui.action.LoadResourceAction;
 import org.eclipse.emf.edit.ui.action.ValidateAction;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.ActionContributionItem;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.action.IContributionItem;
 import org.eclipse.jface.action.IContributionManager;
 import org.eclipse.jface.action.IMenuListener;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.IToolBarManager;
 import org.eclipse.jface.action.MenuManager;
 import org.eclipse.jface.action.Separator;
 import org.eclipse.jface.action.SubContributionItem;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.ISelectionProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.PartInitException;

 /**
  * This is the action bar contributor for the Facet model editor. <!--
  * begin-user-doc --> <!-- end-user-doc -->
  *
  * @generated
  * @deprecated Replaced by EMF Facet
  */
 @Deprecated
 public class FacetActionBarContributor extends
 		EditingDomainActionBarContributor implements ISelectionChangedListener {
 	/**
 	 * This keeps track of the active editor. <!-- begin-user-doc --> <!--
 	 * end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected IEditorPart activeEditorPart;

 	/**
 	 * This keeps track of the current selection provider. <!-- begin-user-doc
 	 * --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected ISelectionProvider selectionProvider;

 	/**
 	 * This action opens the Properties view. <!-- begin-user-doc --> <!--
 	 * end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected IAction showPropertiesViewAction = new Action(
 			FacetEditorPlugin.INSTANCE
 					.getString("_UI_ShowPropertiesView_menu_item")) { //$NON-NLS-1$
 		@Override
 		public void run() {
 			try {
 				getPage().showView("org.eclipse.ui.views.PropertySheet"); //$NON-NLS-1$
 			} catch (PartInitException exception) {
 				FacetEditorPlugin.INSTANCE.log(exception);
 			}
 		}
 	};

 	/**
 	 * This action refreshes the viewer of the current editor if the editor
 	 * implements {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}. <!--
 	 * begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected IAction refreshViewerAction = new Action(
 			FacetEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item")) { //$NON-NLS-1$
 		@Override
 		public boolean isEnabled() {
 			return FacetActionBarContributor.this.activeEditorPart instanceof IViewerProvider;
 		}

 		@Override
 		public void run() {
 			if (FacetActionBarContributor.this.activeEditorPart instanceof IViewerProvider) {
 				Viewer viewer = ((IViewerProvider) FacetActionBarContributor.this.activeEditorPart)
 						.getViewer();
 				if (viewer != null) {
 					viewer.refresh();
 				}
 			}
 		}
 	};

 	/**
 	 * This will contain one
 	 * {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to
 	 * each descriptor generated for the current selection by the item provider.
 	 * <!-- begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected Collection<IAction> createChildActions;

 	/**
 	 * This is the menu manager into which menu contribution items should be
 	 * added for CreateChild actions. <!-- begin-user-doc --> <!-- end-user-doc
 	 * -->
 	 *
 	 * @generated
 	 */
 	protected IMenuManager createChildMenuManager;

 	/**
 	 * This will contain one
 	 * {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding
 	 * to each descriptor generated for the current selection by the item
 	 * provider. <!-- begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected Collection<IAction> createSiblingActions;

 	/**
 	 * This is the menu manager into which menu contribution items should be
 	 * added for CreateSibling actions. <!-- begin-user-doc --> <!--
 	 * end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected IMenuManager createSiblingMenuManager;

 	private final LoadMetaModelResourceAction loadMetaModelAction;
 	private final LoadMoDiscoResourceAction loadMoDiscoResourceAction;

 	/**
 	 * This creates an instance of the contributor. <!-- begin-user-doc --> <!--
 	 * end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	public FacetActionBarContributor() {
 		super(ADDITIONS_LAST_STYLE);
 		this.loadResourceAction = new LoadResourceAction();
 		this.validateAction = new ValidateAction();
 		this.controlAction = new ControlAction();
 		this.loadMetaModelAction = new LoadMetaModelResourceAction();
 		this.loadMoDiscoResourceAction = new LoadMoDiscoResourceAction();
 	}

 	/**
 	 * This adds Separators for editor additions to the tool bar. <!--
 	 * begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void contributeToToolBar(final IToolBarManager toolBarManager) {
 		toolBarManager.add(new Separator("facet-settings")); //$NON-NLS-1$
 		toolBarManager.add(new Separator("facet-additions")); //$NON-NLS-1$
 	}

 	/**
 	 * This adds to the menu bar a menu and some separators for editor
 	 * additions, as well as the sub-menus for object creation items. <!--
 	 * begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void contributeToMenu(final IMenuManager menuManager) {
 		super.contributeToMenu(menuManager);

 		IMenuManager submenuManager = new MenuManager(
 				FacetEditorPlugin.INSTANCE.getString("_UI_FacetEditor_menu"), //$NON-NLS-1$
 				"org.eclipse.gmt.modisco.infra.facetMenuID"); //$NON-NLS-1$
 		menuManager.insertAfter("additions", submenuManager); //$NON-NLS-1$
 		submenuManager.add(new Separator("settings")); //$NON-NLS-1$
 		submenuManager.add(new Separator("actions")); //$NON-NLS-1$
 		submenuManager.add(new Separator("additions")); //$NON-NLS-1$
 		submenuManager.add(new Separator("additions-end")); //$NON-NLS-1$

 		// Prepare for CreateChild item addition or removal.
 		//
 		this.createChildMenuManager = new MenuManager(
 				FacetEditorPlugin.INSTANCE
 						.getString("_UI_CreateChild_menu_item")); //$NON-NLS-1$
 		submenuManager.insertBefore("additions", this.createChildMenuManager); //$NON-NLS-1$

 		// Prepare for CreateSibling item addition or removal.
 		//
 		this.createSiblingMenuManager = new MenuManager(
 				FacetEditorPlugin.INSTANCE
 						.getString("_UI_CreateSibling_menu_item")); //$NON-NLS-1$
 		submenuManager.insertBefore("additions", this.createSiblingMenuManager); //$NON-NLS-1$

 		// Force an update because Eclipse hides empty menus now.
 		//
 		submenuManager.addMenuListener(new IMenuListener() {
 			public void menuAboutToShow(final IMenuManager menuManager) {
 				menuManager.updateAll(true);
 			}
 		});

 		addGlobalActions(submenuManager);
 	}

 	/**
 	 * When the active editor changes, this remembers the change and registers
 	 * with it as a selection provider. <!-- begin-user-doc --> <!--
 	 * end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void setActiveEditor(final IEditorPart part) {
 		super.setActiveEditor(part);
 		this.activeEditorPart = part;

 		// Switch to the new selection provider.
 		//
 		if (this.selectionProvider != null) {
 			this.selectionProvider.removeSelectionChangedListener(this);
 		}
 		if (part == null) {
 			this.selectionProvider = null;
 		} else {
 			this.selectionProvider = part.getSite().getSelectionProvider();
 			this.selectionProvider.addSelectionChangedListener(this);

 			// Fake a selection changed event to update the menus.
 			//
 			if (this.selectionProvider.getSelection() != null) {
 				selectionChanged(new SelectionChangedEvent(
 						this.selectionProvider, this.selectionProvider
 								.getSelection()));
 			}
 		}
 	}

 	/**
 	 * This implements
 	 * {@link org.eclipse.jface.viewers.ISelectionChangedListener}, handling
 	 * {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for
 	 * the children and siblings that can be added to the selected object and
 	 * updating the menus accordingly. <!-- begin-user-doc --> <!-- end-user-doc
 	 * -->
 	 *
 	 * @generated
 	 */
 	public void selectionChanged(final SelectionChangedEvent event) {
 		// Remove any menu items for old selection.
 		//
 		if (this.createChildMenuManager != null) {
 			depopulateManager(this.createChildMenuManager,
 					this.createChildActions);
 		}
 		if (this.createSiblingMenuManager != null) {
 			depopulateManager(this.createSiblingMenuManager,
 					this.createSiblingActions);
 		}

 		// Query the new selection for appropriate new child/sibling descriptors
 		//
 		Collection<?> newChildDescriptors = null;
 		Collection<?> newSiblingDescriptors = null;

 		ISelection selection = event.getSelection();
 		if (selection instanceof IStructuredSelection
 				&& ((IStructuredSelection) selection).size() == 1) {
 			Object object = ((IStructuredSelection) selection)
 					.getFirstElement();

 			EditingDomain domain = ((IEditingDomainProvider) this.activeEditorPart)
 					.getEditingDomain();

 			newChildDescriptors = domain.getNewChildDescriptors(object, null);
 			newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
 		}

 		// Generate actions for selection; populate and redraw the menus.
 		//
 		this.createChildActions = generateCreateChildActions(
 				newChildDescriptors, selection);
 		this.createSiblingActions = generateCreateSiblingActions(
 				newSiblingDescriptors, selection);

 		if (this.createChildMenuManager != null) {
 			populateManager(this.createChildMenuManager,
 					this.createChildActions, null);
 			this.createChildMenuManager.update(true);
 		}
 		if (this.createSiblingMenuManager != null) {
 			populateManager(this.createSiblingMenuManager,
 					this.createSiblingActions, null);
 			this.createSiblingMenuManager.update(true);
 		}
 	}

 	/**
 	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction}
 	 * for each object in <code>descriptors</code>, and returns the collection
 	 * of these actions. <!-- begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected Collection<IAction> generateCreateChildActions(
 			final Collection<?> descriptors, final ISelection selection) {
 		Collection<IAction> actions = new ArrayList<IAction>();
 		if (descriptors != null) {
 			for (Object descriptor : descriptors) {
 				actions.add(new CreateChildAction(this.activeEditorPart,
 						selection, descriptor));
 			}
 		}
 		return actions;
 	}

 	/**
 	 * This generates a
 	 * {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each
 	 * object in <code>descriptors</code>, and returns the collection of these
 	 * actions. <!-- begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected Collection<IAction> generateCreateSiblingActions(
 			final Collection<?> descriptors, final ISelection selection) {
 		Collection<IAction> actions = new ArrayList<IAction>();
 		if (descriptors != null) {
 			for (Object descriptor : descriptors) {
 				actions.add(new CreateSiblingAction(this.activeEditorPart,
 						selection, descriptor));
 			}
 		}
 		return actions;
 	}

 	/**
 	 * This populates the specified <code>manager</code> with
 	 * {@link org.eclipse.jface.action.ActionContributionItem}s based on the
 	 * {@link org.eclipse.jface.action.IAction}s contained in the
 	 * <code>actions</code> collection, by inserting them before the specified
 	 * contribution item <code>contributionID</code>. If
 	 * <code>contributionID</code> is <code>null</code>, they are simply added.
 	 * <!-- begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected void populateManager(final IContributionManager manager,
 			final Collection<? extends IAction> actions,
 			final String contributionID) {
 		if (actions != null) {
 			for (IAction action : actions) {
 				if (contributionID != null) {
 					manager.insertBefore(contributionID, action);
 				} else {
 					manager.add(action);
 				}
 			}
 		}
 	}

 	/**
 	 * This removes from the specified <code>manager</code> all
 	 * {@link org.eclipse.jface.action.ActionContributionItem}s based on the
 	 * {@link org.eclipse.jface.action.IAction}s contained in the
 	 * <code>actions</code> collection. <!-- begin-user-doc --> <!--
 	 * end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected void depopulateManager(final IContributionManager manager,
 			final Collection<? extends IAction> actions) {
 		if (actions != null) {
 			IContributionItem[] items = manager.getItems();
 			for (int i = 0; i < items.length; i++) {
 				// Look into SubContributionItems
 				//
 				IContributionItem contributionItem = items[i];
 				while (contributionItem instanceof SubContributionItem) {
 					contributionItem = ((SubContributionItem) contributionItem)
 							.getInnerItem();
 				}

 				// Delete the ActionContributionItems with matching action.
 				//
 				if (contributionItem instanceof ActionContributionItem) {
 					IAction action = ((ActionContributionItem) contributionItem)
 							.getAction();
 					if (actions.contains(action)) {
 						manager.remove(contributionItem);
 					}
 				}
 			}
 		}
 	}

 	/**
 	 * This populates the pop-up menu before it appears. <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void menuAboutToShow(final IMenuManager menuManager) {
 		super.menuAboutToShow(menuManager);
 		MenuManager submenuManager = null;

 		submenuManager = new MenuManager(FacetEditorPlugin.INSTANCE
 				.getString("_UI_CreateChild_menu_item")); //$NON-NLS-1$
 		populateManager(submenuManager, this.createChildActions, null);
 		menuManager.insertBefore("edit", submenuManager); //$NON-NLS-1$

 		submenuManager = new MenuManager(FacetEditorPlugin.INSTANCE
 				.getString("_UI_CreateSibling_menu_item")); //$NON-NLS-1$
 		populateManager(submenuManager, this.createSiblingActions, null);
 		menuManager.insertBefore("edit", submenuManager); //$NON-NLS-1$
 	}

 	/**
 	 * This inserts global actions before the "additions-end" separator. <!--
 	 * begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	protected void addGlobalActions(final IMenuManager menuManager) {
 		menuManager.insertAfter("additions-end", new Separator("ui-actions")); //$NON-NLS-1$ //$NON-NLS-2$
 		menuManager.insertAfter("ui-actions", this.showPropertiesViewAction); //$NON-NLS-1$

 		this.refreshViewerAction.setEnabled(this.refreshViewerAction
 				.isEnabled());
 		menuManager.insertAfter("ui-actions", this.refreshViewerAction); //$NON-NLS-1$
 		if (this.loadMetaModelAction != null
 				|| this.loadMoDiscoResourceAction != null) {
 			if (this.loadMetaModelAction != null) {
 				menuManager.insertBefore("additions-end", //$NON-NLS-1$
 						new ActionContributionItem(this.loadMetaModelAction));
 			}
 			if (this.loadMoDiscoResourceAction != null) {
 				menuManager.insertBefore("additions-end", //$NON-NLS-1$
 						new ActionContributionItem(
 								this.loadMoDiscoResourceAction));
 			}
 		}
 		super.addGlobalActions(menuManager);
 	}

 	/**
 	 * This ensures that a delete action will clean up all references to deleted
 	 * objects. <!-- begin-user-doc --> <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	protected boolean removeAllReferencesOnDelete() {
 		return true;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see
 	 * org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor#activate
 	 * ()
 	 */
 	@Override
 	public void activate() {
 		super.activate();
 		if (this.loadMetaModelAction != null) {
 			this.loadMetaModelAction.setActiveWorkbenchPart(this.activeEditor);
 		}
 		if (this.loadMoDiscoResourceAction != null) {
 			this.loadMoDiscoResourceAction
 					.setActiveWorkbenchPart(this.activeEditor);
 		}
 		update();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see
 	 * org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor#deactivate
 	 * ()
 	 */
 	@Override
 	public void deactivate() {
 		super.deactivate();
 		if (this.loadMetaModelAction != null) {
 			this.loadMetaModelAction.setActiveWorkbenchPart(null);
 		}
 		if (this.loadMoDiscoResourceAction != null) {
 			this.loadMoDiscoResourceAction.setActiveWorkbenchPart(null);
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see
 	 * org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor#update()
 	 */
 	@Override
 	public void update() {
 		super.update();
 		if (this.loadMetaModelAction != null) {
 			this.loadMetaModelAction.update();
 		}
 		if (this.loadMoDiscoResourceAction != null) {
 			this.loadMoDiscoResourceAction.update();
 		}
 	}

 }
	/**
	* Copyright (c) 2009 Mia-Software.
	* 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:
	* Frederic Madiot (Mia-Software) - meta-model design
	* Gregoire DUPE (Mia-Software) - design and implementation
	*
	*
	* $Id$
	*/
	package org.eclipse.gmt.modisco.infra.facet.editor.presentation;

	import java.util.ArrayList;
	import java.util.Collection;

	import org.eclipse.emf.common.ui.viewer.IViewerProvider;
	import org.eclipse.emf.edit.domain.EditingDomain;
	import org.eclipse.emf.edit.domain.IEditingDomainProvider;
	import org.eclipse.emf.edit.ui.action.ControlAction;
	import org.eclipse.emf.edit.ui.action.CreateChildAction;
	import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
	import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
	import org.eclipse.emf.edit.ui.action.LoadResourceAction;
	import org.eclipse.emf.edit.ui.action.ValidateAction;
	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.ActionContributionItem;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.action.IContributionItem;
	import org.eclipse.jface.action.IContributionManager;
	import org.eclipse.jface.action.IMenuListener;
	import org.eclipse.jface.action.IMenuManager;
	import org.eclipse.jface.action.IToolBarManager;
	import org.eclipse.jface.action.MenuManager;
	import org.eclipse.jface.action.Separator;
	import org.eclipse.jface.action.SubContributionItem;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.ISelectionProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.ui.IEditorPart;
	import org.eclipse.ui.PartInitException;

	/**
	* This is the action bar contributor for the Facet model editor. <!--
	* begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	* @deprecated Replaced by EMF Facet
	*/
	@Deprecated
	public class FacetActionBarContributor extends
	EditingDomainActionBarContributor implements ISelectionChangedListener {
	/**
	* This keeps track of the active editor. <!-- begin-user-doc --> <!--
	* end-user-doc -->
	*
	* @generated
	*/
	protected IEditorPart activeEditorPart;

	/**
	* This keeps track of the current selection provider. <!-- begin-user-doc
	* --> <!-- end-user-doc -->
	*
	* @generated
	*/
	protected ISelectionProvider selectionProvider;

	/**
	* This action opens the Properties view. <!-- begin-user-doc --> <!--
	* end-user-doc -->
	*
	* @generated
	*/
	protected IAction showPropertiesViewAction = new Action(
	FacetEditorPlugin.INSTANCE
	.getString("_UI_ShowPropertiesView_menu_item")) { //$NON-NLS-1$
	@Override
	public void run() {
	try {
	getPage().showView("org.eclipse.ui.views.PropertySheet"); //$NON-NLS-1$
	} catch (PartInitException exception) {
	FacetEditorPlugin.INSTANCE.log(exception);
	}
	}
	};

	/**
	* This action refreshes the viewer of the current editor if the editor
	* implements {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}. <!--
	* begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	protected IAction refreshViewerAction = new Action(
	FacetEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item")) { //$NON-NLS-1$
	@Override
	public boolean isEnabled() {
	return FacetActionBarContributor.this.activeEditorPart instanceof IViewerProvider;
	}

	@Override
	public void run() {
	if (FacetActionBarContributor.this.activeEditorPart instanceof IViewerProvider) {
	Viewer viewer = ((IViewerProvider) FacetActionBarContributor.this.activeEditorPart)
	.getViewer();
	if (viewer != null) {
	viewer.refresh();
	}
	}
	}
	};

	/**
	* This will contain one
	* {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to
	* each descriptor generated for the current selection by the item provider.
	* <!-- begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	protected Collection<IAction> createChildActions;

	/**
	* This is the menu manager into which menu contribution items should be
	* added for CreateChild actions. <!-- begin-user-doc --> <!-- end-user-doc
	* -->
	*
	* @generated
	*/
	protected IMenuManager createChildMenuManager;

	/**
	* This will contain one
	* {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding
	* to each descriptor generated for the current selection by the item
	* provider. <!-- begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	protected Collection<IAction> createSiblingActions;

	/**
	* This is the menu manager into which menu contribution items should be
	* added for CreateSibling actions. <!-- begin-user-doc --> <!--
	* end-user-doc -->
	*
	* @generated
	*/
	protected IMenuManager createSiblingMenuManager;

	private final LoadMetaModelResourceAction loadMetaModelAction;
	private final LoadMoDiscoResourceAction loadMoDiscoResourceAction;

	/**
	* This creates an instance of the contributor. <!-- begin-user-doc --> <!--
	* end-user-doc -->
	*
	* @generated NOT
	*/
	public FacetActionBarContributor() {
	super(ADDITIONS_LAST_STYLE);
	this.loadResourceAction = new LoadResourceAction();
	this.validateAction = new ValidateAction();
	this.controlAction = new ControlAction();
	this.loadMetaModelAction = new LoadMetaModelResourceAction();
	this.loadMoDiscoResourceAction = new LoadMoDiscoResourceAction();
	}

	/**
	* This adds Separators for editor additions to the tool bar. <!--
	* begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void contributeToToolBar(final IToolBarManager toolBarManager) {
	toolBarManager.add(new Separator("facet-settings")); //$NON-NLS-1$
	toolBarManager.add(new Separator("facet-additions")); //$NON-NLS-1$
	}

	/**
	* This adds to the menu bar a menu and some separators for editor
	* additions, as well as the sub-menus for object creation items. <!--
	* begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void contributeToMenu(final IMenuManager menuManager) {
	super.contributeToMenu(menuManager);

	IMenuManager submenuManager = new MenuManager(
	FacetEditorPlugin.INSTANCE.getString("_UI_FacetEditor_menu"), //$NON-NLS-1$
	"org.eclipse.gmt.modisco.infra.facetMenuID"); //$NON-NLS-1$
	menuManager.insertAfter("additions", submenuManager); //$NON-NLS-1$
	submenuManager.add(new Separator("settings")); //$NON-NLS-1$
	submenuManager.add(new Separator("actions")); //$NON-NLS-1$
	submenuManager.add(new Separator("additions")); //$NON-NLS-1$
	submenuManager.add(new Separator("additions-end")); //$NON-NLS-1$

	// Prepare for CreateChild item addition or removal.
	//
	this.createChildMenuManager = new MenuManager(
	FacetEditorPlugin.INSTANCE
	.getString("_UI_CreateChild_menu_item")); //$NON-NLS-1$
	submenuManager.insertBefore("additions", this.createChildMenuManager); //$NON-NLS-1$

	// Prepare for CreateSibling item addition or removal.
	//
	this.createSiblingMenuManager = new MenuManager(
	FacetEditorPlugin.INSTANCE
	.getString("_UI_CreateSibling_menu_item")); //$NON-NLS-1$
	submenuManager.insertBefore("additions", this.createSiblingMenuManager); //$NON-NLS-1$

	// Force an update because Eclipse hides empty menus now.
	//
	submenuManager.addMenuListener(new IMenuListener() {
	public void menuAboutToShow(final IMenuManager menuManager) {
	menuManager.updateAll(true);
	}
	});

	addGlobalActions(submenuManager);
	}

	/**
	* When the active editor changes, this remembers the change and registers
	* with it as a selection provider. <!-- begin-user-doc --> <!--
	* end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void setActiveEditor(final IEditorPart part) {
	super.setActiveEditor(part);
	this.activeEditorPart = part;

	// Switch to the new selection provider.
	//
	if (this.selectionProvider != null) {
	this.selectionProvider.removeSelectionChangedListener(this);
	}
	if (part == null) {
	this.selectionProvider = null;
	} else {
	this.selectionProvider = part.getSite().getSelectionProvider();
	this.selectionProvider.addSelectionChangedListener(this);

	// Fake a selection changed event to update the menus.
	//
	if (this.selectionProvider.getSelection() != null) {
	selectionChanged(new SelectionChangedEvent(
	this.selectionProvider, this.selectionProvider
	.getSelection()));
	}
	}
	}

	/**
	* This implements
	* {@link org.eclipse.jface.viewers.ISelectionChangedListener}, handling
	* {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for
	* the children and siblings that can be added to the selected object and
	* updating the menus accordingly. <!-- begin-user-doc --> <!-- end-user-doc
	* -->
	*
	* @generated
	*/
	public void selectionChanged(final SelectionChangedEvent event) {
	// Remove any menu items for old selection.
	//
	if (this.createChildMenuManager != null) {
	depopulateManager(this.createChildMenuManager,
	this.createChildActions);
	}
	if (this.createSiblingMenuManager != null) {
	depopulateManager(this.createSiblingMenuManager,
	this.createSiblingActions);
	}

	// Query the new selection for appropriate new child/sibling descriptors
	//
	Collection<?> newChildDescriptors = null;
	Collection<?> newSiblingDescriptors = null;

	ISelection selection = event.getSelection();
	if (selection instanceof IStructuredSelection
	&& ((IStructuredSelection) selection).size() == 1) {
	Object object = ((IStructuredSelection) selection)
	.getFirstElement();

	EditingDomain domain = ((IEditingDomainProvider) this.activeEditorPart)
	.getEditingDomain();

	newChildDescriptors = domain.getNewChildDescriptors(object, null);
	newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
	}

	// Generate actions for selection; populate and redraw the menus.
	//
	this.createChildActions = generateCreateChildActions(
	newChildDescriptors, selection);
	this.createSiblingActions = generateCreateSiblingActions(
	newSiblingDescriptors, selection);

	if (this.createChildMenuManager != null) {
	populateManager(this.createChildMenuManager,
	this.createChildActions, null);
	this.createChildMenuManager.update(true);
	}
	if (this.createSiblingMenuManager != null) {
	populateManager(this.createSiblingMenuManager,
	this.createSiblingActions, null);
	this.createSiblingMenuManager.update(true);
	}
	}

	/**
	* This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction}
	* for each object in <code>descriptors</code>, and returns the collection
	* of these actions. <!-- begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	protected Collection<IAction> generateCreateChildActions(
	final Collection<?> descriptors, final ISelection selection) {
	Collection<IAction> actions = new ArrayList<IAction>();
	if (descriptors != null) {
	for (Object descriptor : descriptors) {
	actions.add(new CreateChildAction(this.activeEditorPart,
	selection, descriptor));
	}
	}
	return actions;
	}

	/**
	* This generates a
	* {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each
	* object in <code>descriptors</code>, and returns the collection of these
	* actions. <!-- begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	protected Collection<IAction> generateCreateSiblingActions(
	final Collection<?> descriptors, final ISelection selection) {
	Collection<IAction> actions = new ArrayList<IAction>();
	if (descriptors != null) {
	for (Object descriptor : descriptors) {
	actions.add(new CreateSiblingAction(this.activeEditorPart,
	selection, descriptor));
	}
	}
	return actions;
	}

	/**
	* This populates the specified <code>manager</code> with
	* {@link org.eclipse.jface.action.ActionContributionItem}s based on the
	* {@link org.eclipse.jface.action.IAction}s contained in the
	* <code>actions</code> collection, by inserting them before the specified
	* contribution item <code>contributionID</code>. If
	* <code>contributionID</code> is <code>null</code>, they are simply added.
	* <!-- begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	protected void populateManager(final IContributionManager manager,
	final Collection<? extends IAction> actions,
	final String contributionID) {
	if (actions != null) {
	for (IAction action : actions) {
	if (contributionID != null) {
	manager.insertBefore(contributionID, action);
	} else {
	manager.add(action);
	}
	}
	}
	}

	/**
	* This removes from the specified <code>manager</code> all
	* {@link org.eclipse.jface.action.ActionContributionItem}s based on the
	* {@link org.eclipse.jface.action.IAction}s contained in the
	* <code>actions</code> collection. <!-- begin-user-doc --> <!--
	* end-user-doc -->
	*
	* @generated
	*/
	protected void depopulateManager(final IContributionManager manager,
	final Collection<? extends IAction> actions) {
	if (actions != null) {
	IContributionItem[] items = manager.getItems();
	for (int i = 0; i < items.length; i++) {
	// Look into SubContributionItems
	//
	IContributionItem contributionItem = items[i];
	while (contributionItem instanceof SubContributionItem) {
	contributionItem = ((SubContributionItem) contributionItem)
	.getInnerItem();
	}

	// Delete the ActionContributionItems with matching action.
	//
	if (contributionItem instanceof ActionContributionItem) {
	IAction action = ((ActionContributionItem) contributionItem)
	.getAction();
	if (actions.contains(action)) {
	manager.remove(contributionItem);
	}
	}
	}
	}
	}

	/**
	* This populates the pop-up menu before it appears. <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void menuAboutToShow(final IMenuManager menuManager) {
	super.menuAboutToShow(menuManager);
	MenuManager submenuManager = null;

	submenuManager = new MenuManager(FacetEditorPlugin.INSTANCE
	.getString("_UI_CreateChild_menu_item")); //$NON-NLS-1$
	populateManager(submenuManager, this.createChildActions, null);
	menuManager.insertBefore("edit", submenuManager); //$NON-NLS-1$

	submenuManager = new MenuManager(FacetEditorPlugin.INSTANCE
	.getString("_UI_CreateSibling_menu_item")); //$NON-NLS-1$
	populateManager(submenuManager, this.createSiblingActions, null);
	menuManager.insertBefore("edit", submenuManager); //$NON-NLS-1$
	}

	/**
	* This inserts global actions before the "additions-end" separator. <!--
	* begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	protected void addGlobalActions(final IMenuManager menuManager) {
	menuManager.insertAfter("additions-end", new Separator("ui-actions")); //$NON-NLS-1$ //$NON-NLS-2$
	menuManager.insertAfter("ui-actions", this.showPropertiesViewAction); //$NON-NLS-1$

	this.refreshViewerAction.setEnabled(this.refreshViewerAction
	.isEnabled());
	menuManager.insertAfter("ui-actions", this.refreshViewerAction); //$NON-NLS-1$
	if (this.loadMetaModelAction != null
	\|\| this.loadMoDiscoResourceAction != null) {
	if (this.loadMetaModelAction != null) {
	menuManager.insertBefore("additions-end", //$NON-NLS-1$
	new ActionContributionItem(this.loadMetaModelAction));
	}
	if (this.loadMoDiscoResourceAction != null) {
	menuManager.insertBefore("additions-end", //$NON-NLS-1$
	new ActionContributionItem(
	this.loadMoDiscoResourceAction));
	}
	}
	super.addGlobalActions(menuManager);
	}

	/**
	* This ensures that a delete action will clean up all references to deleted
	* objects. <!-- begin-user-doc --> <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	protected boolean removeAllReferencesOnDelete() {
	return true;
	}

	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor#activate
	* ()
	*/
	@Override
	public void activate() {
	super.activate();
	if (this.loadMetaModelAction != null) {
	this.loadMetaModelAction.setActiveWorkbenchPart(this.activeEditor);
	}
	if (this.loadMoDiscoResourceAction != null) {
	this.loadMoDiscoResourceAction
	.setActiveWorkbenchPart(this.activeEditor);
	}
	update();
	}

	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor#deactivate
	* ()
	*/
	@Override
	public void deactivate() {
	super.deactivate();
	if (this.loadMetaModelAction != null) {
	this.loadMetaModelAction.setActiveWorkbenchPart(null);
	}
	if (this.loadMoDiscoResourceAction != null) {
	this.loadMoDiscoResourceAction.setActiveWorkbenchPart(null);
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor#update()
	*/
	@Override
	public void update() {
	super.update();
	if (this.loadMetaModelAction != null) {
	this.loadMetaModelAction.update();
	}
	if (this.loadMoDiscoResourceAction != null) {
	this.loadMoDiscoResourceAction.update();
	}
	}

	}