| /******************************************************************************* |
| * Copyright (c) 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.core.tools.runtime; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import org.eclipse.core.internal.content.ContentTypeManager; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.content.IContentType; |
| import org.eclipse.core.tools.*; |
| import org.eclipse.jface.viewers.*; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * Content type Spy view. This view shows detailed information about the currently |
| * the content type registry . |
| * |
| */ |
| public class ContentTypeView extends SpyView implements IAdaptable { |
| |
| private static class ContentTypeContentProvider extends AbstractTreeContentProvider { |
| |
| public ContentTypeContentProvider() { |
| super(true); |
| } |
| |
| protected boolean acceptInput(Object input) { |
| return true; |
| } |
| |
| private TreeContentProviderNode addContentType(IContentType type, Set visited) { |
| ContentTypePropertySource wrapped = new ContentTypePropertySource(type); |
| if (!visited.add(wrapped)) |
| return getNodeFor(wrapped); |
| IContentType base = type.getBaseType(); |
| TreeContentProviderNode newNode = createNode(null, wrapped); |
| if (base == null) { |
| getRootNode().addChild(newNode); |
| return newNode; |
| } |
| TreeContentProviderNode baseTypeNode = addContentType(base, visited); |
| baseTypeNode.addChild(newNode); |
| return newNode; |
| } |
| |
| private TreeContentProviderNode getNodeFor(Object type) { |
| return getRootNode().findNode(type); |
| } |
| |
| protected void rebuild(Viewer viewer, Object input) { |
| IContentType[] allTypes = ContentTypeManager.getInstance().getAllContentTypes(); |
| Set visited = new HashSet(allTypes.length); |
| for (int i = 0; i < allTypes.length; i++) |
| addContentType(allTypes[i], visited); |
| } |
| } |
| |
| /** JFace's tree component used to present resource details. */ |
| private AbstractTreeViewer viewer; |
| |
| public void createPartControl(Composite parent) { |
| viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL); |
| viewer.setContentProvider(new ContentTypeContentProvider()); |
| viewer.setInput(""); //$NON-NLS-1$ |
| getSite().setSelectionProvider(viewer); |
| } |
| } |