| /*********************************************************************** |
| * Copyright (c) 2008 by SAP AG, Walldorf. |
| * 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: |
| * SAP AG - initial API and implementation |
| ***********************************************************************/ |
| package org.eclipse.jst.jee.ui.internal.navigator; |
| |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jst.j2ee.model.IModelProvider; |
| import org.eclipse.jst.j2ee.model.IModelProviderEvent; |
| import org.eclipse.jst.j2ee.model.IModelProviderListener; |
| import org.eclipse.jst.j2ee.model.ModelProviderManager; |
| import org.eclipse.jst.j2ee.navigator.internal.J2EEContentProvider; |
| import org.eclipse.jst.javaee.web.WebApp; |
| import org.eclipse.jst.jee.ui.internal.navigator.web.WebAppProvider; |
| import org.eclipse.jst.jee.ui.plugin.JEEUIPlugin; |
| import org.eclipse.swt.widgets.Display; |
| |
| /** |
| * Web 2.5 Content provider is Deployment Descriptor content provider, |
| * used for constructing of the descriptor tree in project explorer. |
| * |
| * @author Dimitar Giormov |
| */ |
| public class Web25ContentProvider extends J2EEContentProvider implements IModelProviderListener { |
| |
| private static final Class IPROJECT_CLASS = IProject.class; |
| |
| private Viewer viewer; |
| |
| private static HashMap<IProject, IModelProvider> groupProvidersMap = new HashMap<IProject, IModelProvider>(); |
| |
| @Override |
| public Object[] getChildren(Object aParentElement) { |
| |
| List<Object> children = new ArrayList<Object>(); |
| IProject project = null; |
| if (aParentElement instanceof IAdaptable) { |
| project = (IProject) ((IAdaptable) aParentElement).getAdapter(IPROJECT_CLASS); |
| if (project != null) { |
| IModelProvider provider = groupProvidersMap.get(project); |
| if (provider != null){ |
| Object mObj = provider.getModelObject(); |
| children.add(new WebAppProvider((WebApp) mObj,project)); |
| } else{ |
| provider = ModelProviderManager.getModelProvider(project); |
| provider.addListener(this); |
| Object mObj = provider.getModelObject(); |
| WebAppProvider webProvider = new WebAppProvider((WebApp) mObj,project); |
| children.add(webProvider); |
| groupProvidersMap.put(project,provider); |
| } |
| } |
| } else if (aParentElement instanceof WebAppProvider){ |
| children.addAll(((WebAppProvider) aParentElement).getChildren()); |
| } else if (aParentElement instanceof AbstractGroupProvider){ |
| children.addAll(((AbstractGroupProvider) aParentElement).getChildren()); |
| } |
| return children.toArray(); |
| } |
| |
| public void inputChanged(Viewer aViewer, Object anOldInput, Object aNewInput) { |
| viewer = aViewer; |
| } |
| |
| @Override |
| public void dispose() { |
| groupProvidersMap.clear(); |
| |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| if (element instanceof WebAppProvider) { |
| return true; |
| } else if (element instanceof AbstractGroupProvider) { |
| return ((AbstractGroupProvider) element).hasChildren(); |
| } else |
| return false; |
| } |
| |
| private void j2eeRefreshContent() { |
| try { |
| Runnable refreshThread = new Runnable() { |
| public void run() { |
| viewer.refresh(); |
| } |
| }; |
| Display.getDefault().asyncExec(refreshThread); |
| } catch (Exception e) { |
| JEEUIPlugin.logError("Error during refresh", e); //$NON-NLS-1$ |
| } |
| } |
| |
| public void projectChanged(final IProject project) { |
| // TODO refresh only the Deployment Description tree of the affected |
| // project instead of the DD tree of all projects. |
| // j2eeRefreshContent(); |
| |
| try |
| { |
| Runnable refreshThread = new Runnable() |
| { |
| public void run() |
| { |
| if (viewer != null) { |
| ISelection sel = ((TreeViewer) viewer).getSelection(); |
| ITreeContentProvider contentProvider = ((ITreeContentProvider) ((TreeViewer) viewer) |
| .getContentProvider()); |
| contentProvider.getChildren(project); |
| ((StructuredViewer) viewer).refresh(project); |
| ((TreeViewer) viewer).setSelection(sel); |
| } |
| } |
| }; |
| Display.getDefault().asyncExec(refreshThread); |
| } catch (Exception e) |
| { |
| JEEUIPlugin.logError("Error during refresh", e); //$NON-NLS-1$ |
| } |
| } |
| |
| public void modelsChanged(IModelProviderEvent event) { |
| projectChanged(event.getProject()); |
| |
| } |
| } |