| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.wsdl.ui.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.Region; |
| import org.eclipse.jface.text.hyperlink.IHyperlink; |
| import org.eclipse.jface.text.hyperlink.IHyperlinkDetector; |
| import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; |
| import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.StructuredModelManager; |
| import org.eclipse.wst.wsdl.Definition; |
| import org.eclipse.wst.wsdl.ui.internal.text.WSDLModelAdapter; |
| import org.eclipse.wst.wsdl.ui.internal.util.OpenOnSelectionHelper; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| import org.w3c.dom.Node; |
| |
| /** |
| * Detects hyperlinks for WSDL files |
| */ |
| public class WSDLHyperlinkDetector implements IHyperlinkDetector { |
| /** |
| * Gets the definition from document |
| * |
| * @param document |
| * @return Definition |
| */ |
| private Definition getDefinition(IDocument document) { |
| Definition definition = null; |
| IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForRead(document); |
| if (model != null) { |
| try { |
| if (model instanceof IDOMModel) { |
| IDOMDocument domDoc = ((IDOMModel) model).getDocument(); |
| if (domDoc != null) { |
| WSDLModelAdapter modelAdapter = (WSDLModelAdapter) domDoc.getAdapterFor(WSDLModelAdapter.class); |
| |
| /* |
| * ISSUE: if adapter does not already exist for domDoc |
| * getAdapterFor will create one. So why is this null |
| * check/creation needed? |
| */ |
| if (modelAdapter == null) { |
| modelAdapter = new WSDLModelAdapter(); |
| domDoc.addAdapter(modelAdapter); |
| modelAdapter.createDefinition(domDoc.getDocumentElement()); |
| } |
| |
| definition = modelAdapter.getDefinition(); |
| } |
| } |
| } |
| finally { |
| model.releaseFromRead(); |
| } |
| } |
| return definition; |
| } |
| |
| public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) { |
| // for now, only capable of creating 1 hyperlink |
| List hyperlinks = new ArrayList(0); |
| |
| if (region != null && textViewer != null) { |
| IDocument document = textViewer.getDocument(); |
| Node node = getCurrentNode(document, region.getOffset()); |
| |
| if (node != null) { |
| Definition definition = getDefinition(textViewer.getDocument()); |
| OpenOnSelectionHelper helper = new OpenOnSelectionHelper(definition); |
| String[] array = helper.computeSpecification(node); |
| if (array != null) { |
| IRegion nodeRegion = region; |
| if (node instanceof IndexedRegion) { |
| IndexedRegion indexed = (IndexedRegion) node; |
| nodeRegion = new Region(indexed.getStartOffset(), indexed.getLength()); |
| } |
| hyperlinks.add(new WSDLHyperlink(nodeRegion, array[0], array[1])); |
| } |
| } |
| } |
| if (hyperlinks.size() == 0) |
| return null; |
| return (IHyperlink[]) hyperlinks.toArray(new IHyperlink[0]); |
| } |
| |
| /** |
| * Returns the node the cursor is currently on in the document. null if no |
| * node is selected |
| * |
| * @param offset |
| * @return Node either element, doctype, text, or null |
| */ |
| private Node getCurrentNode(IDocument document, int offset) { |
| // get the current node at the offset (returns either: element, |
| // doctype, text) |
| IndexedRegion inode = null; |
| IStructuredModel sModel = null; |
| try { |
| sModel = StructuredModelManager.getModelManager().getExistingModelForRead(document); |
| inode = sModel.getIndexedRegion(offset); |
| if (inode == null) |
| inode = sModel.getIndexedRegion(offset - 1); |
| } |
| finally { |
| if (sModel != null) |
| sModel.releaseFromRead(); |
| } |
| |
| if (inode instanceof Node) { |
| return (Node) inode; |
| } |
| return null; |
| } |
| } |