| /* |
| * Copyright (c) 2010, 2012, 2015 Eike Stepper (Berlin, Germany) 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: |
| * Martin Fluegge - initial API and implementation |
| * |
| */ |
| package org.eclipse.emf.cdo.dawn.examples.acore.diagram.navigator; |
| |
| import org.eclipse.emf.cdo.dawn.examples.acore.diagram.part.AcoreDiagramEditorPlugin; |
| |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.emf.workspace.util.WorkspaceSynchronizer; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.gmf.runtime.emf.core.GMFEditingDomainFactory; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.navigator.ICommonContentExtensionSite; |
| import org.eclipse.ui.navigator.ICommonContentProvider; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| |
| /** |
| * @generated |
| */ |
| public class AcoreDomainNavigatorContentProvider implements ICommonContentProvider |
| { |
| |
| /** |
| * @generated |
| */ |
| private AdapterFactoryContentProvider myAdapterFctoryContentProvier; |
| |
| /** |
| * @generated |
| */ |
| private static final Object[] EMPTY_ARRAY = new Object[0]; |
| |
| /** |
| * @generated |
| */ |
| private Viewer myViewer; |
| |
| /** |
| * @generated |
| */ |
| private AdapterFactoryEditingDomain myEditingDomain; |
| |
| /** |
| * @generated |
| */ |
| private WorkspaceSynchronizer myWorkspaceSynchronizer; |
| |
| /** |
| * @generated |
| */ |
| private Runnable myViewerRefreshRunnable; |
| |
| /** |
| * @generated |
| */ |
| public AcoreDomainNavigatorContentProvider() |
| { |
| myAdapterFctoryContentProvier = new AdapterFactoryContentProvider( |
| AcoreDiagramEditorPlugin.getInstance().getItemProvidersAdapterFactory()); |
| TransactionalEditingDomain editingDomain = GMFEditingDomainFactory.INSTANCE.createEditingDomain(); |
| myEditingDomain = (AdapterFactoryEditingDomain)editingDomain; |
| myEditingDomain.setResourceToReadOnlyMap(new HashMap() |
| { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public Object get(Object key) |
| { |
| if (!containsKey(key)) |
| { |
| put(key, Boolean.TRUE); |
| } |
| return super.get(key); |
| } |
| }); |
| myViewerRefreshRunnable = new Runnable() |
| { |
| public void run() |
| { |
| if (myViewer != null) |
| { |
| myViewer.refresh(); |
| } |
| } |
| }; |
| myWorkspaceSynchronizer = new WorkspaceSynchronizer(editingDomain, new WorkspaceSynchronizer.Delegate() |
| { |
| public void dispose() |
| { |
| } |
| |
| public boolean handleResourceChanged(final Resource resource) |
| { |
| for (Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) |
| { |
| Resource nextResource = (Resource)it.next(); |
| nextResource.unload(); |
| } |
| if (myViewer != null) |
| { |
| myViewer.getControl().getDisplay().asyncExec(myViewerRefreshRunnable); |
| } |
| return true; |
| } |
| |
| public boolean handleResourceDeleted(Resource resource) |
| { |
| for (Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) |
| { |
| Resource nextResource = (Resource)it.next(); |
| nextResource.unload(); |
| } |
| if (myViewer != null) |
| { |
| myViewer.getControl().getDisplay().asyncExec(myViewerRefreshRunnable); |
| } |
| return true; |
| } |
| |
| public boolean handleResourceMoved(Resource resource, final URI newURI) |
| { |
| for (Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) |
| { |
| Resource nextResource = (Resource)it.next(); |
| nextResource.unload(); |
| } |
| if (myViewer != null) |
| { |
| myViewer.getControl().getDisplay().asyncExec(myViewerRefreshRunnable); |
| } |
| return true; |
| } |
| }); |
| } |
| |
| /** |
| * @generated |
| */ |
| public void dispose() |
| { |
| myWorkspaceSynchronizer.dispose(); |
| myWorkspaceSynchronizer = null; |
| myViewerRefreshRunnable = null; |
| for (Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) |
| { |
| Resource resource = (Resource)it.next(); |
| resource.unload(); |
| } |
| ((TransactionalEditingDomain)myEditingDomain).dispose(); |
| myEditingDomain = null; |
| } |
| |
| /** |
| * @generated |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) |
| { |
| myViewer = viewer; |
| } |
| |
| /** |
| * @generated |
| */ |
| public Object[] getElements(Object inputElement) |
| { |
| return getChildren(inputElement); |
| } |
| |
| /** |
| * @generated |
| */ |
| public void restoreState(IMemento aMemento) |
| { |
| } |
| |
| /** |
| * @generated |
| */ |
| public void saveState(IMemento aMemento) |
| { |
| } |
| |
| /** |
| * @generated |
| */ |
| public void init(ICommonContentExtensionSite aConfig) |
| { |
| } |
| |
| /** |
| * @generated |
| */ |
| public Object[] getChildren(Object parentElement) |
| { |
| if (parentElement instanceof IFile) |
| { |
| IFile file = (IFile)parentElement; |
| URI fileURI = URI.createPlatformResourceURI(file.getFullPath().toString(), true); |
| Resource resource = myEditingDomain.getResourceSet().getResource(fileURI, true); |
| return wrapEObjects(myAdapterFctoryContentProvier.getChildren(resource), parentElement); |
| } |
| |
| if (parentElement instanceof AcoreDomainNavigatorItem) |
| { |
| return wrapEObjects( |
| myAdapterFctoryContentProvier.getChildren(((AcoreDomainNavigatorItem)parentElement).getEObject()), |
| parentElement); |
| } |
| return EMPTY_ARRAY; |
| } |
| |
| /** |
| * @generated |
| */ |
| public Object[] wrapEObjects(Object[] objects, Object parentElement) |
| { |
| Collection result = new ArrayList(); |
| for (int i = 0; i < objects.length; i++) |
| { |
| if (objects[i] instanceof EObject) |
| { |
| result.add(new AcoreDomainNavigatorItem((EObject)objects[i], parentElement, myAdapterFctoryContentProvier)); |
| } |
| } |
| return result.toArray(); |
| } |
| |
| /** |
| * @generated |
| */ |
| public Object getParent(Object element) |
| { |
| if (element instanceof AcoreAbstractNavigatorItem) |
| { |
| AcoreAbstractNavigatorItem abstractNavigatorItem = (AcoreAbstractNavigatorItem)element; |
| return abstractNavigatorItem.getParent(); |
| } |
| return null; |
| } |
| |
| /** |
| * @generated |
| */ |
| public boolean hasChildren(Object element) |
| { |
| return element instanceof IFile || getChildren(element).length > 0; |
| } |
| |
| } |