| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.wsdl.ui.internal.outline; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.wst.wsdl.ui.internal.model.ModelAdapter; |
| import org.eclipse.wst.wsdl.ui.internal.model.ModelAdapterFactory; |
| import org.eclipse.wst.wsdl.ui.internal.model.ModelAdapterListener; |
| |
| |
| |
| public class ModelAdapterContentProvider implements ITreeContentProvider, ModelAdapterListener |
| { |
| protected Viewer viewer; |
| protected ModelAdapterFactory adapterFactory; |
| |
| public ModelAdapterContentProvider(ModelAdapterFactory adapterFactory) |
| { |
| this.adapterFactory = adapterFactory; |
| } |
| |
| protected void attachListener(Object object) |
| { |
| ModelAdapter adapter = adapterFactory.getAdapter(object); |
| // TODO: port check |
| // ModelAdapter adapter = EcoreUtil.getAdapter(adapterFactory.eAdapters(),object); |
| if (adapter != null) |
| { |
| adapter.addListener(this); |
| } |
| } |
| |
| public void propertyChanged(Object object, String property) |
| { |
| if (viewer != null) |
| { |
| if (viewer instanceof StructuredViewer) |
| { |
| ((StructuredViewer)viewer).refresh(object); |
| } |
| else |
| { |
| viewer.refresh(); |
| } |
| } |
| } |
| |
| /* |
| * @see ITreeContentProvider#getChildren(Object) |
| */ |
| public Object[] getChildren(Object parentObject) |
| { |
| attachListener(parentObject); |
| |
| List list = null; |
| // TODO: port check |
| ModelAdapter modelAdapter = adapterFactory.getAdapter(parentObject); |
| // ModelAdapter modelAdapter = EcoreUtil.getAdapter(adapterFactory.eAdapters(),parentObject); |
| if (modelAdapter != null) |
| { |
| list = (List)modelAdapter.getProperty(parentObject, ModelAdapter.CHILDREN_PROPERTY); |
| } |
| list = list != null ? list : Collections.EMPTY_LIST; |
| return list.toArray(); |
| } |
| |
| /* |
| * @see ITreeContentProvider#getParent(Object) |
| */ |
| public Object getParent(Object element) |
| { |
| return null; |
| } |
| |
| /* |
| * @see ITreeContentProvider#hasChildren(Object) |
| */ |
| public boolean hasChildren(Object element) |
| { |
| Object[] children = getChildren(element); |
| return children != null && children.length > 0; |
| } |
| |
| /* |
| * @see IStructuredContentProvider#getElements(Object) |
| */ |
| public Object[] getElements(Object inputElement) |
| { |
| return getChildren(inputElement); |
| } |
| |
| /* |
| * @see IContentProvider#dispose() |
| */ |
| public void dispose() |
| { |
| viewer = null; |
| } |
| |
| /* |
| * @see IContentProvider#inputChanged(Viewer, Object, Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) |
| { |
| this.viewer = viewer; |
| } |
| } |