/*
* Copyright 2009-2011 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.timeline;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Iterator;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.model.timeline.Timeline;
import org.primefaces.model.timeline.TimelineEvent;
import org.primefaces.renderkit.CoreRenderer;
public class TimelineRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
UITimeline tl = (UITimeline) component;
encodeMarkup(context, tl);
encodeScript(context, tl);
}
public void encodeMarkup(FacesContext context, UITimeline tl) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = tl.getClientId(context);
writer.startElement("div", tl);
writer.writeAttribute("id", clientId, "id");
if(tl.getStyle() != null) writer.writeAttribute("style", tl.getStyle(), "style");
if(tl.getStyleClass() != null) writer.writeAttribute("class", tl.getStyleClass(), "styleClass");
//rest of the dom is created on the client side
writer.endElement("div");
}
public void encodeScript(FacesContext context, UITimeline tl) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = tl.getClientId(context);
List<Timeline> model = tl.getValue();
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.write("$(function() {");
writer.write(tl.resolveWidgetVar() + " = new PrimeFaces.widget.Timeline('" + clientId +"', {");
writer.write("min_zoom:" + tl.getMinZoom());
writer.write(",max_zoom:" + tl.getMaxZoom());
if(!tl.isZoomable())
writer.write(",display_zoom_level:false);");
if(!model.isEmpty()) {
writer.write(",data_source: [");
for(Iterator<Timeline> it = model.iterator(); it.hasNext();) {
Timeline timeline = it.next();
String id = timeline.getId();
writer.write("{");
writer.write("\"id\":\"" + timeline.getId() + "\"");
writer.write(",\"title\":\"" + timeline.getTitle() + "\"");
writer.write(",\"initial_zoom\":\"" + timeline.getInitialZoom() + "\"");
writer.write(",\"focus_date\":\"" + formatter.format(timeline.getFocusDate()) + "\"");
//events
writer.write(",\"events\":[");
for(Iterator<TimelineEvent> eventIter = timeline.getEvents().iterator(); eventIter.hasNext();) {
encodeEvent(context, eventIter.next(), formatter, id);
if(eventIter.hasNext()) {
writer.write(",");
}
}
writer.write("]}");
if(it.hasNext()) {
writer.write(",");
}
}
writer.write("]");
}
writer.write("});});");
writer.endElement("script");
}
public void encodeEvent(FacesContext context, TimelineEvent event, SimpleDateFormat formatter, String timelineId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.write("{");
writer.write("\"id\":\"" + timelineId + "-" + event.getId() + "\"");
writer.write(",\"title\":\"" + event.getTitle() + "\"");
writer.write(",\"description\":\"" + event.getDescription() + "\"");
writer.write(",\"startdate\":\"" + formatter.format(event.getStartDate()) + "\"");
writer.write(",\"importance\":\"" + event.getImportance() + "\"");
if(event.getEndDate() != null)
writer.write(",\"enddate\":\"" + formatter.format(event.getEndDate()) + "\"");
if(event.getIcon() != null)
writer.write(",\"icon\":\"" + getResourceURL(context , event.getIcon()) + "\"");
writer.write("}");
}
}