/*
* Copyright 2000-2001,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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 1.4 2004/02/23 03:01:20 jford 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(ITEMS);
String layout = (String)parms.get(LAYOUT);
String prefix = (String)parms.get(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(LAYOUT_NS) )
{
t.addElement(new TR().addElement(new TD(temp)));
} else
{
result.addElement(temp);
}
}
if ( layout.equalsIgnoreCase(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));
}
}