| /******************************************************************************* |
| * 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 org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.wst.wsdl.ui.internal.WSDLEditor; |
| import org.eclipse.wst.wsdl.ui.internal.WSDLEditorPlugin; |
| import org.eclipse.wst.wsdl.ui.internal.extension.WSDLEditorExtension; |
| import org.eclipse.wst.wsdl.ui.internal.extension.WSDLEditorExtensionRegistry; |
| |
| |
| public class ExtensibleOutlineProvider implements ITreeContentProvider, ILabelProvider |
| { |
| protected WSDLEditorExtension[] treeContentProviderExtensions; |
| protected ITreeContentProvider[] treeContentProviders; |
| |
| protected WSDLEditorExtension[] labelProviderExtensions; |
| protected ILabelProvider[] labelProviders; |
| |
| protected final static Object[] EMPTY_ARRAY = {}; |
| |
| public ExtensibleOutlineProvider(WSDLEditor wsdlEditor) |
| { |
| WSDLEditorExtensionRegistry registry = WSDLEditorPlugin.getInstance().getWSDLEditorExtensionRegistry(); |
| |
| treeContentProviderExtensions = registry.getRegisteredExtensions(WSDLEditorExtension.OUTLINE_TREE_CONTENT_PROVIDER); |
| treeContentProviders = new ITreeContentProvider[treeContentProviderExtensions.length]; |
| for (int i = 0; i < treeContentProviderExtensions.length; i++) |
| { |
| treeContentProviders[i] = (ITreeContentProvider)treeContentProviderExtensions[i].createExtensionObject(WSDLEditorExtension.OUTLINE_TREE_CONTENT_PROVIDER, wsdlEditor); |
| } |
| |
| labelProviderExtensions = registry.getRegisteredExtensions(WSDLEditorExtension.OUTLINE_LABEL_PROVIDER); |
| labelProviders = new ILabelProvider[labelProviderExtensions.length]; |
| for (int i = 0; i < labelProviderExtensions.length; i++) |
| { |
| labelProviders[i] = (ILabelProvider)labelProviderExtensions[i].createExtensionObject(WSDLEditorExtension.OUTLINE_LABEL_PROVIDER, wsdlEditor); |
| } |
| } |
| |
| |
| protected ITreeContentProvider getApplicableTreeContentProvider(Object object) |
| { |
| ITreeContentProvider provider = null; |
| for (int i = 0; i < treeContentProviderExtensions.length; i++) |
| { |
| if (treeContentProviderExtensions[i].isApplicable(object)) |
| { |
| provider = treeContentProviders[i]; |
| if (provider != null) |
| { |
| break; |
| } |
| } |
| } |
| return provider; |
| } |
| |
| |
| protected ILabelProvider getApplicableLabelProvider(Object object) |
| { |
| ILabelProvider provider = null; |
| for (int i = 0; i < labelProviderExtensions.length; i++) |
| { |
| if (labelProviderExtensions[i].isApplicable(object)) |
| { |
| provider = labelProviders[i]; |
| if (provider != null) |
| { |
| break; |
| } |
| } |
| } |
| return provider; |
| } |
| |
| // implements ITreeContentProvider |
| // |
| public Object[] getChildren(Object parentElement) |
| { |
| ITreeContentProvider provider = getApplicableTreeContentProvider(parentElement); |
| //System.out.println("getElements " + provider); |
| return provider != null ? provider.getChildren(parentElement) : EMPTY_ARRAY; |
| } |
| |
| public Object getParent(Object element) |
| { |
| ITreeContentProvider provider = getApplicableTreeContentProvider(element); |
| return provider != null ? provider.getParent(element) : null; |
| } |
| |
| public boolean hasChildren(Object element) |
| { |
| ITreeContentProvider provider = getApplicableTreeContentProvider(element); |
| return provider != null ? provider.hasChildren(element) : false; |
| } |
| |
| public Object[] getElements(Object inputElement) |
| { |
| ITreeContentProvider provider = getApplicableTreeContentProvider(inputElement); |
| //System.out.println("getElements " + provider); |
| return provider != null ? provider.getElements(inputElement) : EMPTY_ARRAY; |
| } |
| |
| public void dispose() |
| { |
| // TODO... call dispose dispose the created label and content providers |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) |
| { |
| for (int i = 0; i < treeContentProviders.length; i++) |
| { |
| treeContentProviders[i].inputChanged(viewer, oldInput, newInput); |
| } |
| } |
| |
| // implements ILabelProvider |
| // |
| public Image getImage(Object element) |
| { |
| ILabelProvider provider = getApplicableLabelProvider(element); |
| return provider != null ? provider.getImage(element) : null; |
| } |
| |
| public String getText(Object element) |
| { |
| String result = null; |
| if (element != null) |
| { |
| ILabelProvider provider = getApplicableLabelProvider(element); |
| result = provider != null ? provider.getText(element) : (element.toString() + "noProviderForClass=" + element.getClass().getName()); |
| } |
| return result != null ? result : ""; |
| } |
| |
| public void addListener(ILabelProviderListener listener) |
| { |
| } |
| |
| public void removeListener(ILabelProviderListener listener) |
| { |
| } |
| |
| public boolean isLabelProperty(Object element, String property) |
| { |
| return false; |
| } |
| } |
| |