/*
* Copyright 2009 Prime Technology.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.accordionpanel;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.tabview.Tab;
import org.primefaces.renderkit.CoreRenderer;
public class AccordionPanelRenderer extends CoreRenderer {
@Override
public void decode(FacesContext facesContext, UIComponent component) {
AccordionPanel accordionPanel = (AccordionPanel) component;
String activeIndexParam = accordionPanel.getClientId(facesContext) + "_active";
Map<String, String> params = facesContext.getExternalContext().getRequestParameterMap();
if(params.containsKey(activeIndexParam)) {
accordionPanel.setActiveIndex(Integer.valueOf(params.get(activeIndexParam)));
}
}
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
AccordionPanel accordionPanel = (AccordionPanel) component;
encodeMarkup(facesContext, accordionPanel);
encodeScript(facesContext, accordionPanel);
}
protected void encodeMarkup(FacesContext facesContext, AccordionPanel accordionPanel) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = accordionPanel.getClientId(facesContext);
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
if(accordionPanel.getStyle() != null) writer.writeAttribute("style", accordionPanel.getStyle(), null);
if(accordionPanel.getStyleClass() != null) writer.writeAttribute("class", accordionPanel.getStyleClass(), null);
writer.startElement("div", null);
writer.writeAttribute("id", clientId + "_acco", null);
encodeTabs(facesContext, accordionPanel);
writer.endElement("div");
encodeStateHolder(facesContext, accordionPanel);
writer.endElement("div");
}
protected void encodeScript(FacesContext facesContext, AccordionPanel acco) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = acco.getClientId(facesContext);
String widgetVar = createUniqueWidgetVar(facesContext, acco);
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.write(widgetVar + " = new PrimeFaces.widget.AccordionPanel('" + clientId + "', {");
writer.write("active:" + acco.getActiveIndex());
writer.write(",animated:'" + acco.getEffect() + "'");
if(acco.getEvent() != null) writer.write(",event:'" + acco.getEvent() + "'");
if(!acco.isAutoHeight()) writer.write(",autoHeight:false");
if(acco.isCollapsible()) writer.write(",collapsible:true");
if(acco.isFillSpace()) writer.write(",fillSpace:true");
if(acco.isDisabled()) writer.write(",disabled:true");
writer.write("});");
writer.endElement("script");
}
protected void encodeStateHolder(FacesContext facesContext, AccordionPanel accordionPanel) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = accordionPanel.getClientId(facesContext);
String stateHolderId = clientId + "_active";
writer.startElement("input", null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("id", stateHolderId, null);
writer.writeAttribute("name", stateHolderId, null);
writer.writeAttribute("value", accordionPanel.getActiveIndex(), null);
writer.endElement("input");
}
protected void encodeTabs(FacesContext facesContext, AccordionPanel accordionPanel) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
for(Iterator<UIComponent> kids = accordionPanel.getChildren().iterator(); kids.hasNext();) {
UIComponent kid = (UIComponent) kids.next();
if(kid.isRendered() && kid instanceof Tab) {
Tab tab = (Tab) kid;
//title
writer.startElement("h3", null);
writer.startElement("a", null);
writer.writeAttribute("href", "#", null);
if(tab.getTitle() != null) {
writer.write(tab.getTitle());
}
writer.endElement("a");
writer.endElement("h3");
//content
writer.startElement("div", null);
renderChild(facesContext, tab);
writer.endElement("div");
}
}
}
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
//Do nothing
}
public boolean getRendersChildren() {
return true;
}
}