/*******************************************************************************
 * Copyright (c) 2003, 2008 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:
 *    Masahide WASHIZAWA - initial API and implementation
 *******************************************************************************/
package org.eclipse.actf.visualization.engines.voicebrowser.internal;

import org.eclipse.actf.visualization.engines.voicebrowser.Context;
import org.eclipse.actf.visualization.engines.voicebrowser.Packet;
import org.eclipse.actf.visualization.engines.voicebrowser.PacketCollection;
import org.w3c.dom.*;


public class StaticTEXTAREARenderer implements IElementRenderer {

	/**
	 * @see org.eclipse.actf.visualization.engines.voicebrowser.internal.IElementRenderer#getPacketCollectionIn(Element, Context)
	 */
	public PacketCollection getPacketCollectionIn(
		Element element,
		Context curContext,
		String url,
		MessageCollection mc) {

		// set `context in' flags
		setContextIn(element, curContext);

		// build result string
		String result = null;

		Node node = element.getFirstChild();
		if (node != null && node.getNodeType() == Node.TEXT_NODE) {
			String nodeValue = node.getNodeValue();
			nodeValue = nodeValue.trim();
			if (nodeValue.length() > 0) {
				result =
					OutLoud.buildResultString(
						mc,
						url,
						element,
						null,
						"hasstr",
						"name=str1",
						nodeValue);
				if (result == null && OutLoud.hprDefltMsg)
					result = "[TextArea: " + nodeValue + "]";
			}
		}
		if (result == null) {
			result = OutLoud.buildResultString(mc, url, element, null, "nostr");
			if (result == null && OutLoud.hprDefltMsg)
				result = "[TextArea.]";
		}
		if (result != null)
			result = result.trim();
		return new PacketCollection(
			new Packet(element, result, curContext, true));
	}

	/**
	 * @see org.eclipse.actf.visualization.engines.voicebrowser.internal.IElementRenderer#getPacketCollectionOut(Element, Context)
	 */
	public PacketCollection getPacketCollectionOut(
		Element element,
		Context curContext,
		String url,
		MessageCollection mc) {
		setContextOut(element, curContext);

		return null;
	}

	/**
	 * @see org.eclipse.actf.visualization.engines.voicebrowser.internal.IElementRenderer#setContextIn(Context)
	 */
	public void setContextIn(Element element, Context curContext) {
		curContext.setGoChild(true);
		curContext.setLineDelimiter(true);
		curContext.setLinkTag(true);
	}

	/**
	 * @see org.eclipse.actf.visualization.engines.voicebrowser.internal.IElementRenderer#setContextOut(Context)
	 */
	public void setContextOut(Element element, Context curContext) {
		curContext.setGoChild(true);
		//		curContext.setLineDelimiter(false);
		//		curContext.setLinkTag(true);
		curContext.setLineDelimiter(true);
		curContext.setLinkTag(false);
	}
}