Package org.apache.myfaces.tobago.facelets

Source Code of org.apache.myfaces.tobago.facelets.PopupReferenceHandler

package org.apache.myfaces.tobago.facelets;

/*
* 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.
*/

import com.sun.facelets.tag.TagHandler;
import com.sun.facelets.tag.TagConfig;
import com.sun.facelets.tag.TagAttribute;
import com.sun.facelets.tag.TagException;
import com.sun.facelets.tag.jsf.ComponentSupport;
import com.sun.facelets.FaceletContext;

import javax.el.ELException;
import javax.faces.FacesException;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import java.io.IOException;

import org.apache.myfaces.tobago.event.PopupActionListener;
import org.apache.myfaces.tobago.TobagoConstants;

/*
* User: bommel
* Date: Jan 4, 2007
* Time: 6:25:09 PM
*/
public class PopupReferenceHandler extends TagHandler {

  private final TagAttribute forComponent;

  public PopupReferenceHandler(TagConfig config) {
    super(config);
    forComponent = getAttribute(TobagoConstants.ATTR_FOR);
  }

  public void apply(FaceletContext faceletContext, UIComponent parent)
      throws IOException, FacesException, ELException {
    if (parent instanceof ActionSource) {
      if (ComponentSupport.isNew(parent)) {
        ActionSource actionSource = (ActionSource) parent;
        actionSource.addActionListener(new PopupActionListener(forComponent.getValue()));
      }
    } else {
      throw new TagException(tag, "Parent is not of type ActionSource, type is: " + parent);
    }
  }
}
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