From f66e89662c091e082bd1d2feb6ac91513ccff273 Mon Sep 17 00:00:00 2001 From: Rafael Cavazin <rafaelcavazin@gmail.com> Date: Sun, 21 Jul 2013 09:59:00 -0400 Subject: [PATCH] Merge branch 'master' of https://github.com/gitblit/gitblit --- src/main/java/com/gitblit/wicket/charting/GooglePieChart.java | 86 +++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 86 insertions(+), 0 deletions(-) diff --git a/src/main/java/com/gitblit/wicket/charting/GooglePieChart.java b/src/main/java/com/gitblit/wicket/charting/GooglePieChart.java new file mode 100644 index 0000000..1f5ae70 --- /dev/null +++ b/src/main/java/com/gitblit/wicket/charting/GooglePieChart.java @@ -0,0 +1,86 @@ +/* + * 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 java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import com.gitblit.utils.StringUtils; + +/** + * Builds an interactive pie chart using the Visualization API. + * + * @author James Moger + * + */ +public class GooglePieChart extends GoogleChart { + + private static final long serialVersionUID = 1L; + + public GooglePieChart(String tagId, String title, String keyName, String valueName) { + super(tagId, title, keyName, valueName); + } + + @Override + protected void appendChart(StringBuilder sb) { + // create dataset + String dName = "data_" + dataName; + line(sb, MessageFormat.format("var {0} = new google.visualization.DataTable();", dName)); + line(sb, MessageFormat.format("{0}.addColumn(''string'', ''{1}'');", dName, keyName)); + line(sb, MessageFormat.format("{0}.addColumn(''number'', ''{1}'');", dName, valueName)); + line(sb, MessageFormat.format("{0}.addRows({1,number,0});", dName, values.size())); + + Collections.sort(values); + List<ChartValue> list = new ArrayList<ChartValue>(); + + int maxSlices = 10; + + if (values.size() > maxSlices) { + list.addAll(values.subList(0, maxSlices)); + } else { + list.addAll(values); + } + + StringBuilder colors = new StringBuilder("colors:["); + for (int i = 0; i < list.size(); i++) { + ChartValue value = list.get(i); + colors.append('\''); + colors.append(StringUtils.getColor(value.name)); + colors.append('\''); + if (i < values.size() - 1) { + colors.append(','); + } + line(sb, MessageFormat.format("{0}.setValue({1,number,0}, 0, ''{2}'');", dName, i, + value.name)); + line(sb, MessageFormat.format("{0}.setValue({1,number,0}, 1, {2,number,0.0});", dName, + i, value.value)); + } + colors.append(']'); + + // instantiate chart + String cName = "chart_" + dataName; + line(sb, MessageFormat.format( + "var {0} = new google.visualization.PieChart(document.getElementById(''{1}''));", + cName, tagId)); + line(sb, + MessageFormat + .format("{0}.draw({1}, '{' title: ''{4}'', {5}, legend: '{' position:''{6}'' '}' '}');", + cName, dName, width, height, title, colors.toString(), showLegend ? "right" : "none")); + line(sb, ""); + } +} \ No newline at end of file -- Gitblit v1.9.1