| /******************************************************************************* |
| * 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.internal; |
| |
| import java.util.HashMap; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.source.AnnotationModel; |
| import org.eclipse.jface.text.source.IAnnotationModel; |
| import org.eclipse.ui.texteditor.AbstractDocumentProvider; |
| import org.eclipse.wst.sse.core.IStructuredModel; |
| |
| |
| /** |
| * An IModelProvider that builds StructuredModels on top of IDocuments. A |
| * prototype for "any IEditorInput" support |
| * |
| * *** VERY UNTESTED *** TODO: Currently BROKEN |
| * |
| * @deprecated |
| */ |
| public class NullModelProvider extends AbstractDocumentProvider implements IModelProvider { |
| |
| private static NullModelProvider _instance = null; |
| |
| public static synchronized NullModelProvider getInstance() { |
| if (_instance == null) { |
| _instance = new NullModelProvider(); |
| } |
| return _instance; |
| } |
| |
| private HashMap fModelMap = new HashMap(1); |
| |
| public NullModelProvider() { |
| super(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.texteditor.AbstractDocumentProvider#createAnnotationModel(java.lang.Object) |
| */ |
| protected IAnnotationModel createAnnotationModel(Object element) { |
| return new AnnotationModel(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.texteditor.AbstractDocumentProvider#createDocument(java.lang.Object) |
| */ |
| protected IDocument createDocument(Object element) { |
| // return getModel(element).getStructuredDocument(); |
| return new Document(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.texteditor.AbstractDocumentProvider#createElementInfo(java.lang.Object) |
| */ |
| // protected ElementInfo createElementInfo(Object element) throws |
| // CoreException { |
| // if (fModelMap.get(element) != null) |
| // fModelMap.put(element, |
| // getModelManager().createUnManagedStructuredModelFor(ContentTypeIdentifierForXML.ContentTypeID_XML)); |
| // return super.createElementInfo(element); |
| // } |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.texteditor.AbstractDocumentProvider#disposeElementInfo(java.lang.Object, |
| * org.eclipse.ui.texteditor.AbstractDocumentProvider.ElementInfo) |
| */ |
| protected void disposeElementInfo(Object element, ElementInfo info) { |
| fModelMap.remove(element); |
| super.disposeElementInfo(element, info); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.texteditor.AbstractDocumentProvider#doSaveDocument(org.eclipse.core.runtime.IProgressMonitor, |
| * java.lang.Object, org.eclipse.jface.text.IDocument, boolean) |
| */ |
| protected void doSaveDocument(IProgressMonitor monitor, Object element, IDocument document, boolean overwrite) { |
| return; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.ui.IModelProvider#getModel(java.lang.Object) |
| */ |
| public IStructuredModel getModel(Object element) { |
| return (IStructuredModel) fModelMap.get(element); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.texteditor.AbstractDocumentProvider#getOperationRunner(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| protected IRunnableContext getOperationRunner(IProgressMonitor monitor) { |
| return null; |
| } |
| } |