/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Alex Rojkov
*/
package com.caucho.jsf.taglib;
import com.caucho.jsf.event.SetPropertyActionListener;
import javax.el.*;
import javax.faces.component.*;
import javax.faces.event.*;
import javax.faces.webapp.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
public class SetPropertyActionListenerTag
extends TagSupport
{
private ValueExpression _value;
private ValueExpression _target;
public void setValue(ValueExpression value)
{
_value = value;
}
public void setTarget(ValueExpression target)
{
_target = target;
}
public int doStartTag()
throws JspException
{
UIComponentClassicTagBase parent;
parent
= UIComponentClassicTagBase.getParentUIComponentClassicTagBase(this.pageContext);
if (parent == null)
throw new JspException(
"f:setPropertyActionListener must be nested iside a UIComponent tag.");
UIComponent comp = parent.getComponentInstance();
if (parent.getCreated()) {
if (!(comp instanceof ActionSource))
throw new JspException(
"f:valueChangeListener parent must be an ActionSource.");
ActionSource actionSource = (ActionSource) comp;
ActionListener actionListener = createListener();
actionSource.addActionListener(actionListener);
}
return SKIP_BODY;
}
protected ActionListener createListener()
{
SetPropertyActionListener listener = new SetPropertyActionListener();
listener.setValue(_value);
listener.setTarget(_target);
return listener;
}
}