/*--
Copyright (C) 2003-2007 Wolf Paulus.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions, and the disclaimer that follows
these conditions in the documentation and/or other materials provided
with the distribution.
3. The end-user documentation included with the redistribution,
if any, must include the following acknowledgment:
"This product includes software developed by the
SWIXML Project (http://www.swixml.org/)."
Alternately, this acknowledgment may appear in the software itself,
if and wherever such third-party acknowledgments normally appear.
4. The name "Swixml" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact <info_AT_swixml_DOT_org>
5. Products derived from this software may not be called "Swixml",
nor may "Swixml" appear in their name, without prior written
permission from the Swixml Project Management.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE SWIXML PROJECT OR ITS
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
====================================================================
This software consists of voluntary contributions made by many
individuals on behalf of the Swixml Project and was originally
created by Wolf Paulus <wolf_AT_swixml_DOT_org>. For more information
on the Swixml Project, please see <http://www.swixml.org/>.
*/
package org.swixml.layoutconverters;
import java.awt.CardLayout;
import java.awt.LayoutManager;
import java.util.StringTokenizer;
import org.swixml.Attribute;
import org.swixml.LayoutConverter;
import org.swixml.converters.Util;
import org.w3c.dom.Element;
/**
* A layout converter for <code>java.awt.CardLayout</code>.
*
* <p><b>Examples:</b></p>
* <pre>
* <panel layout="CardLayout">
* <panel constraints="card1" />
* <panel constraints="card2" />
* </panel>
* </pre>
*
* <pre>
* <panel layout="CardLayout(10,20)">
* <panel constraints="firstCard" />
* <panel constraints="secondCard" />
* </panel>
* </pre>
*
* <pre>
* <panel>
* <layout type="CardLayout" hgap="10" vgap="20"/>
* <panel constraints="firstCard" />
* <panel constraints="secondCard" />
* </panel>
* </pre>
*
* <p>Here is how to access the card layout manager of a component installed by SwixML
* <code>(CardLayout)((Container)swingEngine.find("id_of_my_CLed_comp")).getLayout()</code></p>
*
* @author Karl Tauber
* @author <a href="mailto:wolf@wolfpaulus.com">Wolf Paulus</a>
*/
public class CardLayoutConverter implements LayoutConverter {
/**
* Returns "cardlayout".
*/
public String getID() {
return "cardlayout";
}
/**
* <p>Creates a CardLayout instance.</p>
*
* <p><b>Examples for Valid XML attribute notations:</b></p>
* <ul>
* <li><code>layout="CardLayout"</code></li>
* <li><code>layout="CardLayout(int hgap, int vgap)"</code></li>
* </ul>
*/
public LayoutManager convertLayoutAttribute( final Attribute attr ) {
StringTokenizer st = new StringTokenizer( attr.getValue(), "(,)" );
st.nextToken(); // skip layout type
int[] para = Util.ia( st );
if (para.length < 2)
return new CardLayout();
else
return new CardLayout( para[ 0 ], para[ 1 ] );
}
/**
* <p>Creates a CardLayout instance.</p>
*
* <p><b>Attributes:</b></p>
* <ul>
* <li><code>hgap</code> (optional): The horizontal gap.</li>
* <li><code>vgap</code> (optional): The vertical gap.</li>
* </ul>
*
* <p><b>Examples for Valid XML element notations:</b></p>
* <ul>
* <li><code><layout type="CardLayout"/></code></li>
* <li><code><layout type="CardLayout" hgap="10" vgap="20"/></code></li>
* </ul>
*/
public LayoutManager convertLayoutElement( final Element element ) {
int hgap = Util.getInteger(element, "hgap", 0);
int vgap = Util.getInteger(element, "vgap", 0);
return new CardLayout(hgap, vgap);
}
/**
* Converts CardLayout constraints.
* The attribute value is used as card name.
*
* <p><b>Examples for Valid XML attribute notations:</b></p>
* <ul>
* <li><code>constraints="cardname"</code></li>
* </ul>
*/
public Object convertConstraintsAttribute( final Attribute attr ) {
//
// CardLayout accepts only constraints of type String
//
return attr.getValue();
}
/**
* Returns always <code>null</code>.
*/
public Object convertConstraintsElement( final Element element ) {
return null;
}
}