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/*
* Copyright 2011 gitblit.com.
*
* 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 com.gitblit.wicket.charting;
import java.text.MessageFormat;
import com.gitblit.utils.StringUtils;
/**
* Implementation of a Pie chart using the flotr2 library
*
* @author Tim Ryan
*
*/
public class Flotr2PieChart extends Chart {
private static final long serialVersionUID = 1L;
public Flotr2PieChart(String tagId, String title, String keyName, String valueName) {
super(tagId, title, keyName, valueName);
}
@Override
protected void appendChart(StringBuilder sb) {
String dName = "data_" + dataName;
line(sb, "var selected_" + dataName + " = null;");
line(sb, MessageFormat.format("var {0} = Flotr.draw(document.getElementById(''{1}''),", dName, tagId));
// Add the data
line(sb, "[");
for (int i = 0; i < values.size(); i++) {
ChartValue value = values.get(i);
if(i > 0){
sb.append(",");
}
line(sb, MessageFormat.format("'{'data : [ [0, {0}] ], label : ''{1}'', color: ''{2}'' '}'", Float.toString(value.value), value.name, StringUtils.getColor(value.name)));
}
line(sb, "]");
// Add the options
line(sb, ", {");
line(sb, MessageFormat.format("title : ''{0}'',", title));
line(sb, "fontSize : 2,");
line(sb, "pie : {");
line(sb, " show : true,");
line(sb, " labelFormatter : function (pie, slice) {");
line(sb, " if(slice / pie > .05)");
line(sb, " return Math.round(slice / pie * 100).toString() + \"%\";");
line(sb, " }");
line(sb, "}");
line(sb, ", mouse: {");
line(sb, " track: true,");
line(sb, " lineColor: '#002060',");
line(sb, " trackFormatter: function (obj)");
line(sb, " {");
line(sb, " selected_" + dataName + " = obj.series.label;");
line(sb, " return obj.series.label + \": \" + parseInt(obj.y) + \" (\" + Math.round(obj.fraction * 100) + \"%)\";" );
line(sb, " }");
line(sb, "}");
line(sb, ", xaxis: {");
line(sb, " margin: false,");
line(sb, " showLabels: false,");
line(sb, " showMinorLabels: false");
line(sb, "}");
line(sb, ", yaxis: {");
line(sb, " margin: false,");
line(sb, " min: 20,");
line(sb, " showLabels: false,");
line(sb, " showMinorLabels: false");
line(sb, "}");
line(sb, ", grid: {");
line(sb, " verticalLines: false,");
line(sb, " minorVerticalLines: null,");
line(sb, " horizontalLines: false,");
line(sb, " minorHorizontalLines: null,");
line(sb, " outlineWidth: 0");
line(sb, "}");
line(sb, ", legend: {");
if(showLegend){
line(sb, " show: true");
}
else {
line(sb, " show: false");
}
line(sb, "}");
line(sb, "});");
if(clickUrl != null && clickUrl.isEmpty() == false){
line(sb, MessageFormat.format("Flotr.EventAdapter.observe(document.getElementById(''{0}''), ''flotr:click'', function (mouse, a, b, c) '{'", tagId));
line(sb, " window.location.href = \"" + clickUrl + "\" + selected_" + dataName + ";");
line(sb, "});");
}
}
}
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