/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. 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 following disclaimer 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
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Jetspeed" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache" or
* "Apache Jetspeed", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* 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 APACHE SOFTWARE FOUNDATION 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 Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.jetspeed.modules.parameters;
//ecs stuff
import org.apache.ecs.ElementContainer;
import org.apache.ecs.html.Table;
import org.apache.ecs.html.Input;
import org.apache.ecs.html.TD;
import org.apache.ecs.html.TR;
// java stuff
import java.util.StringTokenizer;
import java.util.Vector;
import java.util.Map;
import java.util.Enumeration;
//turbine support
import org.apache.turbine.util.RunData;
/**
* Returns a group of check boxes using the following options:
* <UL>
* <LI><code>items</code>: list of comma-delimited check box names/values</LI>
* <LI><code>layout</code> [$northsouth|<strong>$eastwest</strong>]: presentation layout</LI>
* <LI><code>prefix</code>: prefix to use for check box names, default="cb"</LI>
* </UL>
*
* @author <a href="mailto:mark_orciuch@ngsltd.com">Mark Orciuch</a>
* @version $Id: CheckBoxGroup.java,v 1.2 2002/09/20 19:31:44 morciuch Exp $
*/
public class CheckBoxGroup extends ParameterPresentationStyle
{
public static final String ITEMS = "items";
public static final String LAYOUT = "layout";
public static final String LAYOUT_EW = "$eastwest";
public static final String LAYOUT_NS = "$northsouth";
public static final String PREFIX = "prefix";
public static final String PREFIX_DEFAULT = "cb";
/**
* Returns presentation control
*/
public String getContent(RunData data, String name, String value, Map parms)
{
ElementContainer result = new ElementContainer();
String items = (String)parms.get(this.ITEMS);
String layout = (String)parms.get(this.LAYOUT);
String prefix = (String)parms.get(this.PREFIX);
if (prefix == null)
{
prefix = PREFIX_DEFAULT;
}
StringTokenizer st = new StringTokenizer(items, ",");
Vector v = new Vector();
while ( st.hasMoreTokens() )
{
String token = st.nextToken().trim();
if ( !token.equalsIgnoreCase("") )
{
v.add(token);
}
}
Table t = new Table();
for ( Enumeration e = v.elements(); e.hasMoreElements(); )
{
String item = ((String)e.nextElement()).trim();
Input cb = new Input(Input.CHECKBOX, prefix + item, item);
cb.setChecked(value.indexOf(item) >= 0);
cb.setOnClick(getJavascript(name, v, prefix));
ElementContainer temp = new ElementContainer();
temp.addElement(cb).addElement(" ").addElement(item);
if ( layout.equalsIgnoreCase(this.LAYOUT_NS) )
{
t.addElement(new TR().addElement(new TD(temp)));
} else
{
result.addElement(temp);
}
}
if ( layout.equalsIgnoreCase(this.LAYOUT_NS) )
{
result.addElement(t);
}
result.addElement(new Input(Input.HIDDEN, name, value));
return result.toString();
}
/**
*
* @param name
* @param v
* @return string
*/
private String getJavascript(String name, Vector v, String prefix)
{
StringBuffer result = new StringBuffer();
result.append(name).append(".value = ");
for ( Enumeration e = v.elements(); e.hasMoreElements(); )
{
String item = prefix + (String)e.nextElement();
result.append("((");
result.append(item);
result.append(".checked) ? ");
result.append(item);
result.append(".value : '')");
if ( e.hasMoreElements() )
{
result.append(" + \',\' + ");
}
}
return result.toString();
}
/**
* Test method
*/
public static void main(String args[])
{
CheckBoxGroup cbg = new CheckBoxGroup();
java.util.Hashtable parms = new java.util.Hashtable();
parms.put(ITEMS, "Tomaszewski,Gorgon,Zmuda,Szymanowski,Musial,Kasperczak,Deyna,Cmikiewicz,Lato,Szarmach,Gadocha");
System.out.println(cbg.getContent(null, "test", "Deyna,,,,Gorgon,Lato,Szarmach,", parms));
}
}