/*
* 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.renderkit;
import java.io.IOException;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.ajax4jsf.javascript.JSFunction;
import org.richfaces.application.ServiceTracker;
import org.richfaces.javascript.DnDScript;
import org.richfaces.javascript.JavaScriptService;
/**
* @author abelevich
*
*/
public abstract class DnDRenderBase extends RendererBase {
public void buildAndStoreScript(FacesContext facesContext, UIComponent component) {
JavaScriptService javaScriptService = ServiceTracker.getService(JavaScriptService.class);
DnDScript dragScript = buildClientScript(facesContext, component);
if (javaScriptService != null && dragScript != null) {
javaScriptService.addPageReadyScript(facesContext, dragScript);
}
}
public abstract Map<String, Object> getOptions(FacesContext facesContext, UIComponent component);
public abstract String getScriptName();
public abstract DnDScript createScript(String name);
public String getParentClientId(FacesContext facesContext, UIComponent component) {
UIComponent parent = component.getParent();
return (parent != null) ? parent.getClientId(facesContext) : "";
}
private DnDScript buildClientScript(FacesContext facesContext, UIComponent component) {
DnDScript script = null;
String scriptName = getScriptName();
if (!"".equals(scriptName)) {
JSFunction function = new JSFunction(scriptName);
function.addParameter(component.getClientId(facesContext));
function.addParameter(getOptions(facesContext, component));
script = createScript(function.toScript());
}
return script;
}
@Override
protected void doEncodeEnd(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
buildAndStoreScript(context, component);
}
}