| commit | author | age | ||
| 44bbc4 | 1 | /* |
| JM | 2 | * Copyright 2011 gitblit.com. |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package com.gitblit.wicket.charting; | |
| 17 | ||
| 18 | import java.text.MessageFormat; | |
| 19 | import java.util.Collections; | |
| 20 | ||
| db91a3 | 21 | import com.gitblit.utils.StringUtils; |
| JM | 22 | |
| 44bbc4 | 23 | /** |
| JM | 24 | * Builds an interactive pie chart using the Visualization API. |
| 25 | * | |
| 26 | * @author James Moger | |
| 27 | * | |
| 28 | */ | |
| 29 | public class GooglePieChart extends GoogleChart { | |
| 30 | ||
| 31 | private static final long serialVersionUID = 1L; | |
| 32 | ||
| 33 | public GooglePieChart(String tagId, String title, String keyName, String valueName) { | |
| 34 | super(tagId, title, keyName, valueName); | |
| 35 | } | |
| 36 | ||
| 37 | @Override | |
| 38 | protected void appendChart(StringBuilder sb) { | |
| 39 | // create dataset | |
| 40 | String dName = "data_" + dataName; | |
| 41 | line(sb, MessageFormat.format("var {0} = new google.visualization.DataTable();", dName)); | |
| 42 | line(sb, MessageFormat.format("{0}.addColumn(''string'', ''{1}'');", dName, keyName)); | |
| 43 | line(sb, MessageFormat.format("{0}.addColumn(''number'', ''{1}'');", dName, valueName)); | |
| 44 | line(sb, MessageFormat.format("{0}.addRows({1,number,0});", dName, values.size())); | |
| 45 | ||
| 46 | Collections.sort(values); | |
| 47 | ||
| db91a3 | 48 | StringBuilder colors = new StringBuilder("colors:["); |
| 44bbc4 | 49 | for (int i = 0; i < values.size(); i++) { |
| JM | 50 | ChartValue value = values.get(i); |
| db91a3 | 51 | colors.append('\''); |
| JM | 52 | colors.append(StringUtils.getColor(value.name)); |
| 53 | colors.append('\''); | |
| 54 | if (i < values.size() - 1) { | |
| 55 | colors.append(','); | |
| 56 | } | |
| 44bbc4 | 57 | line(sb, MessageFormat.format("{0}.setValue({1,number,0}, 0, ''{2}'');", dName, i, |
| JM | 58 | value.name)); |
| 59 | line(sb, MessageFormat.format("{0}.setValue({1,number,0}, 1, {2,number,0.0});", dName, | |
| 60 | i, value.value)); | |
| 61 | } | |
| db91a3 | 62 | colors.append(']'); |
| 44bbc4 | 63 | |
| JM | 64 | // instantiate chart |
| 65 | String cName = "chart_" + dataName; | |
| 66 | line(sb, MessageFormat.format( | |
| 67 | "var {0} = new google.visualization.PieChart(document.getElementById(''{1}''));", | |
| 68 | cName, tagId)); | |
| 69 | line(sb, | |
| 70 | MessageFormat | |
| db91a3 | 71 | .format("{0}.draw({1}, '{'width: {2,number,0}, height: {3,number,0}, chartArea:'{'left:20,top:20'}', title: ''{4}'', {5} '}');", |
| JM | 72 | cName, dName, width, height, title, colors.toString())); |
| 44bbc4 | 73 | line(sb, ""); |
| JM | 74 | } |
| 75 | } | |
