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License Agreement. Rich Faces - Natural Ajax for Java Server Faces (JSF) 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.view.facelets.html;
import  javax.faces.view.facelets.ComponentConfig;
import  javax.faces.view.facelets.ComponentHandler;
import  javax.faces.view.facelets.FaceletContext;
import  javax.faces.view.facelets.MetaRule;
import  javax.faces.view.facelets.MetaRuleset;
import  javax.faces.view.facelets.Metadata;
import  javax.faces.view.facelets.MetadataTarget;
import  javax.faces.view.facelets.TagAttribute;
import  org.richfaces.event.ItemChangeEvent;
import  org.richfaces.event.ItemChangeSource;

Dec 2, 2010
public class PanelMenuTagHandler extends ComponentHandler {
    private static final MetaRule META_RULE = new PanelMenuMetaRule();
    public PanelMenuTagHandler(ComponentConfig config) {
    protected MetaRuleset createMetaRuleset(Class type) {
        MetaRuleset metaRuleset = super.createMetaRuleset(type);
        return metaRuleset;
    private static class PanelMenuMetaRule extends MetaRule {
        public Metadata applyRule(String name, TagAttribute attribute, MetadataTarget meta) {
            if (meta.isTargetInstanceOf(ItemChangeSource.class)) {
                if ("itemChangeListener".equals(name)) {
                    return new ItemChangeExpressionMetadata(attribute);
            return null;
    private static final class ItemChangeExpressionMetadata extends Metadata {
        private static final Class<?>[] ITEM_CHANGE_SIG = new Class[] { ItemChangeEvent.class };
        private final TagAttribute attr;
        ItemChangeExpressionMetadata(TagAttribute attr) {
            this. = attr;
        public void applyMetadata(FaceletContext ctxObject instance) {
            ((ItemChangeSource) instance).addItemChangeListener(new MethodExpressionItemChangeListener(this.
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