/*
* Copyright 2009-2014 PrimeTek.
*
* 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.contentflow;
import java.io.IOException;
import java.util.Collection;
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.renderkit.CoreRenderer;
import org.primefaces.util.WidgetBuilder;
public class ContentFlowRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
ContentFlow cf = (ContentFlow) component;
encodeMarkup(context, cf);
encodeScript(context, cf);
}
protected void encodeMarkup(FacesContext context, ContentFlow cf) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String style = cf.getStyle();
String styleClass = cf.getStyleClass();
String containerClass = (styleClass == null) ? ContentFlow.CONTAINER_CLASS : ContentFlow.CONTAINER_CLASS + " " + styleClass;
writer.startElement("div", cf);
writer.writeAttribute("id", cf.getClientId(context), null);
writer.writeAttribute("class", containerClass, null);
if(style != null) {
writer.writeAttribute("style", style, null);
}
//indicator
writer.startElement("div", null);
writer.writeAttribute("class", "loadindicator", null);
writer.startElement("div", null);
writer.writeAttribute("class", "indicator", null);
writer.endElement("div");
writer.endElement("div");
//content
encodeContent(context, cf);
//caption
writer.startElement("div", null);
writer.writeAttribute("class", "globalCaption", null);
writer.endElement("div");
writer.endElement("div");
}
protected void encodeContent(FacesContext context, ContentFlow cf) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String var = cf.getVar();
writer.startElement("div", null);
writer.writeAttribute("class", "flow", null);
if (var == null) {
for(UIComponent child : cf.getChildren()) {
if(child.isRendered()) {
writer.startElement("div", null);
writer.writeAttribute("class", "item", null);
child.encodeAll(context);
writer.endElement("div");
}
}
}
else {
Map<String,Object> requestMap = context.getExternalContext().getRequestMap();
Collection<?> value = (Collection<?>) cf.getValue();
if (value != null) {
for (Iterator<?> it = value.iterator(); it.hasNext();) {
requestMap.put(var, it.next());
writer.startElement("div", null);
writer.writeAttribute("class", "item", null);
renderChildren(context, cf);
writer.endElement("div");
}
}
}
writer.endElement("div");
}
protected void encodeScript(FacesContext context, ContentFlow cf) throws IOException {
WidgetBuilder wb = getWidgetBuilder(context);
if (context.isPostback()) {
wb.initWithDomReady("ContentFlow", cf.resolveWidgetVar(), cf.getClientId(context), "contentflow");
} else {
wb.initWithWindowLoad("ContentFlow", cf.resolveWidgetVar(), cf.getClientId(context), "contentflow");
}
wb.finish();
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}