/*
* 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;
// Turbine support
import org.apache.turbine.modules.Assembler;
import org.apache.turbine.util.RunData;
// Jetspeed logging classes
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
// Java support
import java.util.Map;
import java.util.Hashtable;
import java.util.Iterator;
/**
* Interface to be implemented by parameter presentation style class
*
* @author <a href="mailto:mark_orciuch@ngsltd.com">Mark Orciuch</a>
* @version $Id: ParameterPresentationStyle.java,v 1.4 2004/02/23 03:01:20 jford Exp $
*/
public abstract class ParameterPresentationStyle extends Assembler
{
/**
* Static initialization of the logger for this class
*/
private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(ParameterPresentationStyle.class.getName());
private Map styleparms = null;
/**
* Returns presentation method html fragment
*
* @param data run context info
* @param name name for the returned control
* @param value default value for the control
* @param parms hashtable with presentation parameters
* @return html for the control
*/
public abstract String getContent(RunData data, String name, String value, Map parms);
/**
* Allows to initialize style parameter hashtable
*
* @param parms
*/
public void setParms(Map parms)
{
this.styleparms = parms;
}
/**
* Allows to retrieve a style parameter with default
*
* @param key
* @param def
* @return object
*/
public Object getParm(String key, Object def)
{
Object result = null;
if ( this.styleparms != null )
{
result = this.styleparms.get(key);
}
if ( result == null )
{
result = def;
}
return result;
}
/**
* <P>Returns javascript event definitions as defined by "[name].style.javascript:[event]".</P>
* <P> For example: <CODE>symbols.style.javascipt:onChange</CODE>
*
* @return map of javascript events
*/
public Map getJavascriptEvents()
{
Hashtable result = null;
if (this.styleparms != null)
{
Iterator it = this.styleparms.keySet().iterator();
while (it.hasNext())
{
String parmkey = (String) it.next();
if (parmkey.startsWith("javascript:"))
{
try
{
if (result == null)
{
result = new Hashtable();
}
String event = parmkey.substring(parmkey.lastIndexOf(":") + 1);
result.put(event, this.styleparms.get(parmkey));
}
catch (Exception e)
{
logger.error("Exception", e);
}
}
}
}
return result;
}
}