/*
* JBoss, Home of Professional Open Source
* Copyright ${year}, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.taglib;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.component.UIParameter;
import javax.faces.component.behavior.ClientBehavior;
import javax.faces.component.behavior.ClientBehaviorHolder;
import javax.faces.context.FacesContext;
import javax.faces.view.facelets.BehaviorConfig;
import javax.faces.view.facelets.ComponentConfig;
import javax.faces.view.facelets.ComponentHandler;
import javax.faces.view.facelets.CompositeFaceletHandler;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.FaceletHandler;
import org.richfaces.component.AbstractParameter;
import org.richfaces.component.UIHashParameter;
import org.richfaces.component.behavior.ComponentControlBehavior;
import org.richfaces.view.facelets.html.CustomBehaviorHandler;
/**
* @author Anton Belevich
*
*/
public class ComponentControlHandler extends CustomBehaviorHandler {
public ComponentControlHandler(BehaviorConfig config) {
super(config);
}
@Override
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
super.apply(ctx, parent);
processNestedTags(ctx, parent);
}
private void processNestedTags(FaceletContext ctx, UIComponent parent) throws IOException {
if (nextHandler instanceof CompositeFaceletHandler) {
FaceletHandler[] children = ((CompositeFaceletHandler) nextHandler).getHandlers();
for (FaceletHandler handler : children) {
processNextHandler(ctx, handler, parent);
}
} else {
processNextHandler(ctx, nextHandler, parent);
}
}
private void processNextHandler(FaceletContext ctx, FaceletHandler handler, UIComponent parent) throws IOException {
if (handler instanceof ComponentHandler) {
ComponentHandler componentHandler = (ComponentHandler) handler;
ComponentConfig componentConfig = componentHandler.getComponentConfig();
String componentType = componentConfig.getComponentType();
if (isUIParameter(componentType)) {
FacesContext facesContext = ctx.getFacesContext();
UIComponent component = (UIComponent) facesContext.getApplication().createComponent(componentType);
componentHandler.setAttributes(ctx, component);
if (parent instanceof ClientBehaviorHolder) {
ClientBehaviorHolder clientBehaviorHolder = ((ClientBehaviorHolder) parent);
Map<String, List<ClientBehavior>> clientBehaviors = clientBehaviorHolder.getClientBehaviors();
String eventName = getEventName();
if (eventName == null) {
eventName = clientBehaviorHolder.getDefaultEventName();
}
if (eventName != null) {
List<ClientBehavior> eventClientBehaviors = clientBehaviors.get(eventName);
for (ClientBehavior clientBehavior : eventClientBehaviors) {
if (clientBehavior instanceof ComponentControlBehavior) {
((ComponentControlBehavior) clientBehavior).getChildren().add(component);
}
}
}
}
componentHandler.applyNextHandler(ctx, component);
}
}
}
private boolean isUIParameter(String type) {
return (UIParameter.COMPONENT_TYPE.equals(type) || UIHashParameter.COMPONENT_TYPE.equals(type) || AbstractParameter.COMPONENT_TYPE
.equals(type));
}
@Override
public boolean isWrapping() {
return false;
}
}