/*
* The contents of this file are subject to the GNU Lesser General Public
* License Version 2.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.gnu.org/copyleft/lesser.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Developer:
* Todd Ditchendorf, todd@ditchnet.org
*
*/

/**
 *	@author Todd Ditchendorf
 *	@version 0.8
 *	@since 0.8
 */
package org.ditchnet.jsp.taglib.tabs.handler;

import java.io.IOException;

import javax.servlet.jsp.JspException;

import com.frameworkset.common.tag.BaseBodyTag;


/**
 *	@author Todd Ditchendorf
 *	@since 0.8
 *	
 *	JSP Tag that renders an XHTML <code>input</code> element of type 
 *	<code>button</code> with a JavaScript handler to switch the focus of
 *	a specified tab container to the next tab index.
 */
 public final class NextTabButtonTag extends BaseBodyTag {

	private String id;
	private String tabContainerId;
	
	public void setId(final String id) {
		this.id = id;
	}
	
	public void setTabContainerId(final String tabContainerId) {
		this.tabContainerId = tabContainerId;
	}
	 
	public int doAfterBody() throws  JspException {
		
//		StringWriter evalResult = new StringWriter();
		StringBuffer buff		= new StringBuffer();
		
		buff.append("\n\t<input type=\"button\" ")
			.append("class=\"ditch-next-tab-button\" ")
			.append("onclick=\"org.ditchnet.jsp.")
			.append("TabUtils.nextTabButtonClicked(event,'")
			.append(tabContainerId).append("',false); return false;\"");
		if (null != id && 0 != id.length()) {
			buff.append(" id=\"").append(id).append("\"");
		}
		buff.append(" value=\"");
		String evalResult = this.getBodyContent().getString();
		buff.append(evalResult);
		//getJspBody().invoke(evalResult);
		buff.append("\" />\n");

		//getJspContext().getOut().print(buff);
		try {
//			this.getPreviousOut().print(buff);
			bodyContent.getEnclosingWriter().print(buff);
//			out.print(buff);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		//move to dofinally()
//		bodyContent.clearBody();
		return SKIP_BODY;
	}

	@Override
	public void doFinally() {
		id = null;
		tabContainerId = null;
		if(bodyContent != null)
			bodyContent.clearBody();
		super.doFinally();
	}
	
}