| package org.eclipse.gmf.tooling.examples.linklf.diagram.navigator; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| |
| import org.eclipse.core.resources.IFile; |
| 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.gmf.runtime.emf.core.GMFEditingDomainFactory; |
| import org.eclipse.gmf.tooling.examples.linklf.diagram.part.LinklfDiagramEditorPlugin; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.navigator.ICommonContentExtensionSite; |
| import org.eclipse.ui.navigator.ICommonContentProvider; |
| |
| /** |
| * @generated |
| */ |
| public class LinklfDomainNavigatorContentProvider 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 LinklfDomainNavigatorContentProvider() { |
| myAdapterFctoryContentProvier = new AdapterFactoryContentProvider(LinklfDiagramEditorPlugin.getInstance().getItemProvidersAdapterFactory()); |
| TransactionalEditingDomain editingDomain = GMFEditingDomainFactory.INSTANCE.createEditingDomain(); |
| myEditingDomain = (AdapterFactoryEditingDomain) editingDomain; |
| myEditingDomain.setResourceToReadOnlyMap(new HashMap() { |
| |
| 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) { |
| unloadAllResources(); |
| asyncRefresh(); |
| return true; |
| } |
| |
| public boolean handleResourceDeleted(Resource resource) { |
| unloadAllResources(); |
| asyncRefresh(); |
| return true; |
| } |
| |
| public boolean handleResourceMoved(Resource resource, final URI newURI) { |
| unloadAllResources(); |
| asyncRefresh(); |
| return true; |
| } |
| }); |
| } |
| |
| /** |
| * @generated |
| */ |
| public void dispose() { |
| myWorkspaceSynchronizer.dispose(); |
| myWorkspaceSynchronizer = null; |
| myViewerRefreshRunnable = null; |
| myViewer = null; |
| unloadAllResources(); |
| ((TransactionalEditingDomain) myEditingDomain).dispose(); |
| myEditingDomain = null; |
| } |
| |
| /** |
| * @generated |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| myViewer = viewer; |
| } |
| |
| /** |
| * @generated |
| */ |
| void unloadAllResources() { |
| for (Resource nextResource : myEditingDomain.getResourceSet().getResources()) { |
| nextResource.unload(); |
| } |
| } |
| |
| /** |
| * @generated |
| */ |
| void asyncRefresh() { |
| if (myViewer != null && !myViewer.getControl().isDisposed()) { |
| myViewer.getControl().getDisplay().asyncExec(myViewerRefreshRunnable); |
| } |
| } |
| |
| /** |
| * @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 LinklfDomainNavigatorItem) { |
| return wrapEObjects(myAdapterFctoryContentProvier.getChildren(((LinklfDomainNavigatorItem) 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 LinklfDomainNavigatorItem((EObject) objects[i], parentElement, myAdapterFctoryContentProvier)); |
| } |
| } |
| return result.toArray(); |
| } |
| |
| /** |
| * @generated |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof LinklfAbstractNavigatorItem) { |
| LinklfAbstractNavigatorItem abstractNavigatorItem = (LinklfAbstractNavigatorItem) element; |
| return abstractNavigatorItem.getParent(); |
| } |
| return null; |
| } |
| |
| /** |
| * @generated |
| */ |
| public boolean hasChildren(Object element) { |
| return element instanceof IFile || getChildren(element).length > 0; |
| } |
| |
| } |