| /******************************************************************************* |
| * 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.xml.ui.internal.autoedit; |
| |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.DocumentCommand; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.ui.texteditor.ITextEditorExtension3; |
| import org.eclipse.wst.sse.core.IStructuredModel; |
| import org.eclipse.wst.sse.core.StructuredModelManager; |
| import org.eclipse.wst.sse.core.text.IStructuredDocumentRegion; |
| import org.eclipse.wst.sse.ui.internal.StructuredDocumentCommand; |
| import org.eclipse.wst.sse.ui.internal.autoedit.BasicAutoEditStrategy; |
| import org.eclipse.wst.xml.core.document.IDOMElement; |
| import org.eclipse.wst.xml.core.document.IDOMNode; |
| import org.eclipse.wst.xml.ui.internal.Logger; |
| import org.w3c.dom.Node; |
| |
| |
| public class StructuredAutoEditStrategyXML extends BasicAutoEditStrategy { |
| public void customizeDocumentCommand(IDocument document, DocumentCommand command) { |
| StructuredDocumentCommand structuredDocumentCommand = (StructuredDocumentCommand) command; |
| Object textEditor = getActiveTextEditor(); |
| if (!(textEditor instanceof ITextEditorExtension3 && ((ITextEditorExtension3) textEditor).getInsertMode() == ITextEditorExtension3.SMART_INSERT)) |
| return; |
| |
| IStructuredModel model = null; |
| try { |
| model = StructuredModelManager.getModelManager().getExistingModelForRead(document); |
| if (model != null) { |
| if (structuredDocumentCommand.text != null) { |
| smartInsertForComment(structuredDocumentCommand, document, model); |
| smartInsertForEndTag(structuredDocumentCommand, document, model); |
| } |
| } |
| } finally { |
| if (model != null) |
| model.releaseFromRead(); |
| } |
| } |
| |
| private boolean isCommentNode(IDOMNode node) { |
| return (node != null && node instanceof IDOMElement && ((IDOMElement) node).isCommentTag()); |
| } |
| |
| private boolean isDocumentNode(IDOMNode node) { |
| return (node != null && node.getNodeType() == Node.DOCUMENT_NODE); |
| } |
| |
| protected boolean isEndTagRequired(IDOMNode node) { |
| |
| if (node == null) |
| return false; |
| return node.isContainer(); |
| } |
| |
| protected boolean prefixedWith(IDocument document, int offset, String string) { |
| |
| try { |
| return document.getLength() >= string.length() && document.get(offset - string.length(), string.length()).equals(string); |
| } catch (BadLocationException e) { |
| Logger.logException(e); |
| return false; |
| } |
| } |
| |
| protected void smartInsertForComment(StructuredDocumentCommand structuredDocumentCommand, IDocument document, IStructuredModel model) { |
| try { |
| if (structuredDocumentCommand.text.equals("-") && document.getLength() >= 3 && document.get(structuredDocumentCommand.offset - 3, 3).equals("<!-")) { //$NON-NLS-1$ //$NON-NLS-2$ |
| structuredDocumentCommand.text += " "; //$NON-NLS-1$ |
| structuredDocumentCommand.doit = false; |
| structuredDocumentCommand.addCommand(structuredDocumentCommand.offset, 0, " -->", null); //$NON-NLS-1$ |
| } |
| } catch (BadLocationException e) { |
| Logger.logException(e); |
| } |
| |
| } |
| |
| protected void smartInsertForEndTag(StructuredDocumentCommand structuredDocumentCommand, IDocument document, IStructuredModel model) { |
| try { |
| if (structuredDocumentCommand.text.equals("/") && document.getLength() >= 1 && document.get(structuredDocumentCommand.offset - 1, 1).equals("<")) { //$NON-NLS-1$ //$NON-NLS-2$ |
| IDOMNode parentNode = (IDOMNode) ((IDOMNode) model.getIndexedRegion(structuredDocumentCommand.offset - 1)).getParentNode(); |
| if (isCommentNode(parentNode)) { |
| // loop and find non comment node parent |
| while (parentNode != null && isCommentNode(parentNode)) { |
| parentNode = (IDOMNode) parentNode.getParentNode(); |
| } |
| } |
| |
| if (!isDocumentNode(parentNode)) { |
| IStructuredDocumentRegion endTagStructuredDocumentRegion = parentNode.getEndStructuredDocumentRegion(); |
| if (endTagStructuredDocumentRegion == null) { |
| structuredDocumentCommand.text += parentNode.getNodeName(); |
| structuredDocumentCommand.text += ">"; //$NON-NLS-1$ |
| } |
| } |
| } |
| } catch (BadLocationException e) { |
| Logger.logException(e); |
| } |
| |
| } |
| } |