/*
* 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.metergauge;
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.MeterGaugeChartModel;
public class MeterGaugeChartRenderer extends BaseChartRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
MeterGaugeChart chart = (MeterGaugeChart) component;
encodeMarkup(context, chart);
encodeScript(context, chart);
}
protected void encodeScript(FacesContext context, UIChart uichart) throws IOException{
ResponseWriter writer = context.getResponseWriter();
MeterGaugeChart chart = (MeterGaugeChart) uichart;
String clientId = chart.getClientId(context);
startScript(writer, clientId);
writer.write("$(function(){");
writer.write("PrimeFaces.cw('MeterGaugeChart','" + chart.resolveWidgetVar() + "',{");
writer.write("id:'" + clientId + "'");
encodeData(context, chart);
encodeOptions(context, chart);
encodeClientBehaviors(context, chart);
writer.write("},'charts');});");
endScript(writer);
}
protected void encodeData(FacesContext context, MeterGaugeChart chart) throws IOException {
ResponseWriter writer = context.getResponseWriter();
MeterGaugeChartModel model = (MeterGaugeChartModel) chart.getValue();
writer.write(",data:[[" + model.getValue() + "]]");
}
protected void encodeOptions(FacesContext context, MeterGaugeChart chart) throws IOException {
super.encodeOptions(context, chart);
ResponseWriter writer = context.getResponseWriter();
MeterGaugeChartModel model = (MeterGaugeChartModel)chart.getValue();
String label = chart.getLabel();
encodeNumberList(context, "intervals", model.getIntervals());
encodeNumberList(context, "ticks", model.getTicks());
if(label != null) {
writer.write(",label:'" + label + "'");
}
writer.write(",showTickLabels:" + chart.isShowTickLabels());
writer.write(",labelHeightAdjust:" + chart.getLabelHeightAdjust());
writer.write(",intervalOuterRadius:" + chart.getIntervalOuterRadius());
if(chart.getMin() != Double.MIN_VALUE) writer.write(",min:" + chart.getMin());
if(chart.getMax() != Double.MAX_VALUE) writer.write(",max:" + chart.getMax());
}
protected void encodeNumberList(FacesContext context, String name, List<Number> values) throws IOException {
if(values != null) {
ResponseWriter writer = context.getResponseWriter();
writer.write("," + name + ":[");
for(Iterator<Number> it = values.iterator(); it.hasNext();) {
Number number = it.next();
writer.write(number.toString());
if(it.hasNext()) {
writer.write(",");
}
}
writer.write("]");
}
}
}