ds/org.eclipse.pde.ds.ui/src/org/eclipse/pde/internal/ds/ui/editor/DSSourceViewerConfiguration.java

/*******************************************************************************
 * Copyright (c) 2008 Code 9 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:
 *     Code 9 Corporation - initial API and implementation
 *     Chris Aniszczyk <caniszczyk@gmail.com>
 *     Rafael Oliveira Nobrega <rafael.oliveira@gmail.com> - bug 242028
 *******************************************************************************/

package org.eclipse.pde.internal.ds.ui.editor;

import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextHover;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.contentassist.IContentAssistant;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.pde.internal.ds.ui.editor.contentassist.DSContentAssistProcessor;
import org.eclipse.pde.internal.ui.editor.PDESourcePage;
import org.eclipse.pde.internal.ui.editor.text.IColorManager;
import org.eclipse.pde.internal.ui.editor.text.XMLConfiguration;
import org.eclipse.pde.internal.ui.editor.text.XMLPartitionScanner;

public class DSSourceViewerConfiguration extends XMLConfiguration {

	private ContentAssistant fContentAssistant;
	private DSContentAssistProcessor fContentAssistProcessor;
	private DSTextHover fTextHover;

	public DSSourceViewerConfiguration(IColorManager colorManager,
			PDESourcePage page) {
		super(colorManager, page);
	}

	public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
		if (sourceViewer.isEditable() && fContentAssistant == null) {
			fContentAssistProcessor = new DSContentAssistProcessor(fSourcePage);
			fContentAssistant = new ContentAssistant();
			fContentAssistant
					.setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer));
			fContentAssistant.setContentAssistProcessor(
					fContentAssistProcessor, IDocument.DEFAULT_CONTENT_TYPE);
			fContentAssistant.setContentAssistProcessor(
					fContentAssistProcessor, XMLPartitionScanner.XML_TAG);
			fContentAssistant
					.setInformationControlCreator(getInformationControlCreator(true));
			fContentAssistant.setShowEmptyList(false);
			fContentAssistant.addCompletionListener(fContentAssistProcessor);
			fContentAssistant.enableAutoInsert(true);
		}
		return fContentAssistant;
	}

	public void dispose() {
		if (fContentAssistProcessor != null)
			fContentAssistProcessor.dispose();
		super.dispose();
	}

	public ITextHover getTextHover(ISourceViewer sourceViewer,
			String contentType) {
		if (fTextHover == null && fSourcePage != null)
			fTextHover = new DSTextHover(fSourcePage);
		return fTextHover;
	}


}