bundles/org.eclipse.e4.tools.emf.ui/src/org/eclipse/e4/tools/emf/ui/internal/common/xml/XMLConfiguration.java

/*******************************************************************************
 * Copyright (c) 2010 BestSolution.at 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:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 ******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.xml;

import org.eclipse.e4.tools.emf.ui.internal.ResourceProvider;
import org.eclipse.e4.tools.services.IResourcePool;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextDoubleClickStrategy;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.text.presentation.IPresentationReconciler;
import org.eclipse.jface.text.presentation.PresentationReconciler;
import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.SourceViewerConfiguration;

public class XMLConfiguration extends SourceViewerConfiguration {
	private XMLDoubleClickStrategy doubleClickStrategy;
	private XMLTagScanner tagScanner;
	private XMLScanner scanner;
	private IResourcePool pool;

	public XMLConfiguration(IResourcePool pool) {
		this.pool = pool;
	}

	@Override
	public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
		return new String[] { IDocument.DEFAULT_CONTENT_TYPE, XMLPartitionScanner.XML_COMMENT, XMLPartitionScanner.XML_TAG };
	}

	@Override
	public ITextDoubleClickStrategy getDoubleClickStrategy(ISourceViewer sourceViewer, String contentType) {
		if (doubleClickStrategy == null)
			doubleClickStrategy = new XMLDoubleClickStrategy();
		return doubleClickStrategy;
	}

	protected XMLScanner getXMLScanner() {
		if (scanner == null) {
			scanner = new XMLScanner(pool);
			scanner.setDefaultReturnToken(new Token(new TextAttribute(pool.getColorUnchecked(ResourceProvider.COLOR_DEFAULT))));
		}
		return scanner;
	}

	protected XMLTagScanner getXMLTagScanner() {
		if (tagScanner == null) {
			tagScanner = new XMLTagScanner(pool);
			tagScanner.setDefaultReturnToken(new Token(new TextAttribute(pool.getColorUnchecked(ResourceProvider.COLOR_TAG))));
		}
		return tagScanner;
	}

	@Override
	public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {
		PresentationReconciler reconciler = new PresentationReconciler();

		DefaultDamagerRepairer dr = new DefaultDamagerRepairer(getXMLTagScanner());
		reconciler.setDamager(dr, XMLPartitionScanner.XML_TAG);
		reconciler.setRepairer(dr, XMLPartitionScanner.XML_TAG);

		dr = new DefaultDamagerRepairer(getXMLScanner());
		reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
		reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);

		NonRuleBasedDamagerRepairer ndr = new NonRuleBasedDamagerRepairer(new TextAttribute(pool.getColorUnchecked(ResourceProvider.COLOR_XML_COMMENT)));
		reconciler.setDamager(ndr, XMLPartitionScanner.XML_COMMENT);
		reconciler.setRepairer(ndr, XMLPartitionScanner.XML_COMMENT);

		return reconciler;
	}

}