/**
 * License Agreement.
 *
 *  JBoss RichFaces - Ajax4jsf Component Library
 *
 * Copyright (C) 2007  Exadel, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation.
 *
 * This library 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.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */

package org.richfaces.taglib;

import javax.faces.component.UIComponent;
import javax.faces.el.MethodBinding;

import org.richfaces.event.DataFilterSliderEvent;

import com.sun.facelets.FaceletContext;
import com.sun.facelets.tag.MetaRule;
import com.sun.facelets.tag.MetaRuleset;
import com.sun.facelets.tag.Metadata;
import com.sun.facelets.tag.MetadataTarget;
import com.sun.facelets.tag.TagAttribute;
import com.sun.facelets.tag.jsf.ComponentConfig;
import com.sun.facelets.tag.jsf.ComponentHandler;


public class DataFilterSliderListenerTagHandler extends ComponentHandler {
    private final static String SLIDER_LISTENER = "sliderListener";


    public DataFilterSliderListenerTagHandler(ComponentConfig config) {
        super(config);
    }

    protected MetaRuleset createMetaRuleset(Class clazz) {
        MetaRuleset ruleset = super.createMetaRuleset(clazz);

        ruleset.addRule(new MetaRule() {

            public Metadata applyRule(String name, final TagAttribute attribute, MetadataTarget metadataTarget) {
                if (SLIDER_LISTENER.equals(name)) {
                    return new Metadata() {
                        public void applyMetadata(FaceletContext context, Object object) {
                            MethodBinding binding = context.getFacesContext().getApplication().createMethodBinding(attribute.getValue(), new Class[] {DataFilterSliderEvent.class});
                            ((UIComponent) object).getAttributes().put(SLIDER_LISTENER, binding);
                        }
                    };
                }
                return null;
            }
        });

        return ruleset;
    }
}

