org.primefaces.component.chart.donut.DonutChartRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2013 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.chart.donut;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.chart.BaseChartRenderer;
import org.primefaces.component.chart.UIChart;
import org.primefaces.model.chart.DonutChartModel;
public class DonutChartRenderer extends BaseChartRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
DonutChart chart = (DonutChart) component;
encodeMarkup(context, chart);
encodeScript(context, chart);
}
protected void encodeScript(FacesContext context, UIChart uichart) throws IOException {
ResponseWriter writer = context.getResponseWriter();
DonutChart chart = (DonutChart) uichart;
String clientId = chart.getClientId(context);
startScript(writer, clientId);
writer.write("$(function(){");
writer.write("PrimeFaces.cw('DonutChart','" + chart.resolveWidgetVar() + "',{");
writer.write("id:'" + clientId + "'");
encodeData(context, chart);
encodeOptions(context, chart);
encodeClientBehaviors(context, chart);
writer.write("},'charts');});");
endScript(writer);
}
protected void encodeOptions(FacesContext context, DonutChart chart) throws IOException {
super.encodeOptions(context, chart);
ResponseWriter writer = context.getResponseWriter();
if(chart.getSliceMargin() != 0)
writer.write(",sliceMargin:" + chart.getSliceMargin());
if(chart.isFill() == false)
writer.write(",fill:false");
if(chart.isShowDataLabels())
writer.write(",showDataLabels:true");
if(chart.getDataFormat() !=null)
writer.write(",dataFormat:'" + chart.getDataFormat()+"'");
}
protected void encodeData(FacesContext context, DonutChart chart) throws IOException {
ResponseWriter writer = context.getResponseWriter();
List data = ((DonutChartModel) chart.getValue()).getData();
writer.write(",data:[");
for(int i = 0; i < data.size() ; i++) {
if(i != 0) {
writer.write(",");
}
writer.write("[");
Map map = (Map) data.get(i);
for(Iterator it = map.keySet().iterator(); it.hasNext();) {
String key = it.next();
Number value = map.get(key);
writer.write("['" + key + "'," + value + "]");
if(it.hasNext()) {
writer.write(",");
}
}
writer.write("]");
}
writer.write("]");
}
}