/*
* 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.chart.bar;
import java.io.IOException;
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.component.chart.BaseChartRenderer;
import org.primefaces.component.chart.UIChart;
import org.primefaces.model.chart.CartesianChartModel;
import org.primefaces.model.chart.ChartSeries;
public class BarChartRenderer extends BaseChartRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
BarChart chart = (BarChart) component;
encodeMarkup(context, chart);
encodeScript(context, chart);
}
protected void encodeScript(FacesContext context, UIChart uichart) throws IOException{
ResponseWriter writer = context.getResponseWriter();
BarChart chart = (BarChart) uichart;
String clientId = chart.getClientId(context);
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.write("$(function(){");
writer.write(chart.resolveWidgetVar() + " = new PrimeFaces.widget.BarChart('" + clientId + "', { ");
encodeOptions(context, chart);
encodeClientBehaviors(context, chart);
writer.write("});});");
writer.endElement("script");
}
protected void encodeOptions(FacesContext context, BarChart chart) throws IOException {
ResponseWriter writer = context.getResponseWriter();
CartesianChartModel model = (CartesianChartModel) chart.getValue();
boolean horizontal = chart.getOrientation().equals("horizontal");
List<String> categories = model.getCategories();
//data
writer.write("data:[" );
for(Iterator<ChartSeries> it = model.getSeries().iterator(); it.hasNext();) {
ChartSeries series = it.next();
int i = 1;
writer.write("[");
for(Iterator<Object> x = series.getData().keySet().iterator(); x.hasNext();) {
Number value = series.getData().get(x.next());
String valueToRender = value != null ? value.toString() : "null";
if(horizontal) {
writer.write("[");
writer.write(valueToRender + "," + i);
writer.write("]");
i++;
} else {
writer.write(valueToRender);
}
if(x.hasNext()) {
writer.write(",");
}
}
writer.write("]");
if(it.hasNext()) {
writer.write(",");
}
}
writer.write("]");
//common config
encodeCommonConfig(context, chart);
//series
writer.write(",series:[");
for(Iterator<ChartSeries> it = model.getSeries().iterator(); it.hasNext();) {
ChartSeries series = (ChartSeries) it.next();
writer.write("{");
writer.write("label:'" + series.getLabel() + "'");
writer.write("}");
if(it.hasNext()) {
writer.write(",");
}
}
writer.write("]");
//categories
writer.write(",categories:[");
for(Iterator<String> it = categories.iterator(); it.hasNext();) {
writer.write("'" + it.next() + "'");
if(it.hasNext()) {
writer.write(",");
}
}
writer.write("]");
//config
writer.write(",orientation:'" + chart.getOrientation() + "'");
writer.write(",barPadding:" + chart.getBarPadding());
writer.write(",barMargin:" + chart.getBarMargin());
if(chart.isStacked()) {
writer.write(",stackSeries:true");
}
//boundaries
if(chart.getMin() != Double.MIN_VALUE) writer.write(",min:" + chart.getMin());
if(chart.getMax() != Double.MAX_VALUE) writer.write(",max:" + chart.getMax());
//other
if(chart.isBreakOnNull()) writer.write(",breakOnNull:true");
}
}