/*
* 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.chart.renderer;
import java.io.IOException;
import java.util.Iterator;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.chart.Chart;
import org.primefaces.model.chart.PieChartModel;
import org.primefaces.util.ComponentUtils;
public class PieRenderer extends BasePlotRenderer {
@Override
protected void encodeData(FacesContext context, Chart chart) throws IOException {
ResponseWriter writer = context.getResponseWriter();
PieChartModel model = (PieChartModel) chart.getModel();
writer.write(",data:[[" );
for(Iterator<String> it = model.getData().keySet().iterator(); it.hasNext();) {
String key = it.next();
Number value = model.getData().get(key);
writer.write("[\"" + ComponentUtils.escapeText(key) + "\"," + value + "]");
if(it.hasNext()) {
writer.write(",");
}
}
writer.write("]]");
}
@Override
protected void encodeOptions(FacesContext context, Chart chart) throws IOException {
super.encodeOptions(context, chart);
ResponseWriter writer = context.getResponseWriter();
PieChartModel model = (PieChartModel) chart.getModel();
int diameter = model.getDiameter();
int sliceMargin = model.getSliceMargin();
boolean fill = model.isFill();
boolean showDataLabels = model.isShowDataLabels();
String dataFormat = model.getDataFormat();
if(diameter != 0) writer.write(",diameter:" + diameter);
if(sliceMargin != 0) writer.write(",sliceMargin:" + sliceMargin);
if(!fill) writer.write(",fill:false");
if(showDataLabels) writer.write(",showDataLabels:true");
if(dataFormat != null) writer.write(",dataFormat:\"" + dataFormat + "\"");
}
}