/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.myfaces.trinidadinternal.facelets;
import javax.el.ELException;
import javax.el.ValueExpression;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import org.apache.myfaces.trinidadinternal.taglib.listener.SetActionListener;
import com.sun.facelets.FaceletContext;
import com.sun.facelets.FaceletException;
import com.sun.facelets.tag.TagAttribute;
import com.sun.facelets.tag.TagConfig;
import com.sun.facelets.tag.TagHandler;
import com.sun.facelets.tag.jsf.ComponentSupport;
/**
*/
public class SetActionListenerTag extends TagHandler
{
public SetActionListenerTag(TagConfig tagConfig)
{
super(tagConfig);
_from = getRequiredAttribute("from");
_to = getRequiredAttribute("to");
}
@SuppressWarnings("deprecation")
public void apply(FaceletContext faceletContext,
UIComponent parent) throws FaceletException, ELException
{
if (ComponentSupport.isNew(parent))
{
// =-=AEW Couldn't this be cached?
ValueExpression fromExpression = _from.getValueExpression(faceletContext,
Object.class);
ValueExpression toExpression= _to.getValueExpression(faceletContext,
Object.class);
ActionSource actionSource= (ActionSource) parent;
SetActionListener listener = new SetActionListener();
listener.setValueExpression(SetActionListener.FROM_KEY,
fromExpression);
listener.setValueExpression(SetActionListener.TO_KEY,
toExpression);
actionSource.addActionListener(listener);
}
}
private final TagAttribute _from;
private final TagAttribute _to;
}