ant/org.eclipse.ant.ui/Ant Editor/org/eclipse/ant/internal/ui/editor/text/AntDocumentSetupParticipant.java

/**********************************************************************
Copyright (c) 2000, 2004 IBM Corp. 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 implementation
**********************************************************************/
package org.eclipse.ant.internal.ui.editor.text;

import org.eclipse.core.filebuffers.IDocumentSetupParticipant;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.rules.DefaultPartitioner;

/**
 * The document setup participant for Ant.
 */
public class AntDocumentSetupParticipant  implements IDocumentSetupParticipant {

	/**
	 * The name of the Ant partitioning.
	 * @since 3.0
	 */
	public final static String ANT_PARTITIONING= "___ant_partitioning";  //$NON-NLS-1$
	
	public AntDocumentSetupParticipant() {
	}
	
	/*
	 * @see org.eclipse.core.filebuffers.IDocumentSetupParticipant#setup(org.eclipse.jface.text.IDocument)
	 */
	public void setup(IDocument document) {
		if (document instanceof IDocumentExtension3) {
			IDocumentExtension3 extension3= (IDocumentExtension3) document;
			IDocumentPartitioner partitioner = createDocumentPartitioner();
			extension3.setDocumentPartitioner(ANT_PARTITIONING, partitioner);
			partitioner.connect(document);
		} 
	}
	
	private IDocumentPartitioner createDocumentPartitioner() {
		return new DefaultPartitioner(
				new AntEditorPartitionScanner(), new String[]{
						AntEditorPartitionScanner.XML_TAG,
						AntEditorPartitionScanner.XML_COMMENT, 
						AntEditorPartitionScanner.XML_CDATA});
	}
}