Java tutorial
/** * Copyright 2012 Universitat Pompeu Fabra. * * 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.onexus.website.api.pages.search.figures.bar; import org.apache.wicket.markup.head.HeaderItem; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.JavaScriptHeaderItem; import org.apache.wicket.markup.head.OnLoadHeaderItem; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.model.IModel; import org.apache.wicket.resource.JQueryPluginResourceReference; import org.apache.wicket.util.string.Strings; import org.onexus.collection.api.ICollectionManager; import org.onexus.collection.api.IEntityTable; import org.onexus.collection.api.query.Filter; import org.onexus.collection.api.query.Query; import org.onexus.collection.api.utils.QueryUtils; import org.onexus.resource.api.ORI; import org.onexus.website.api.pages.browser.IEntitySelection; import org.onexus.website.api.utils.HtmlDataResourceModel; import javax.inject.Inject; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; public class BarFigurePanel extends Panel { @Inject private ICollectionManager collectionManager; private ORI parentOri; private IEntitySelection selection; private BarFigureConfig config; private WebMarkupContainer chart; private static final HeaderItem JS_HIGHCHARTS = JavaScriptHeaderItem .forReference(new JQueryPluginResourceReference(BarFigurePanel.class, "highcharts.js")); public BarFigurePanel(String id, ORI parentOri, IEntitySelection selection, BarFigureConfig config) { super(id); this.parentOri = parentOri; this.selection = selection; this.config = config; chart = new WebMarkupContainer("chart"); chart.setOutputMarkupId(true); add(chart); } @Override public void renderHead(IHeaderResponse response) { response.render(JS_HIGHCHARTS); response.render(OnLoadHeaderItem.forScript(newJavaScript())); } private Query createQuery() { Query query = new Query(); query.setOn(parentOri); CollectionField value = config.getValue(); CollectionField xAxis = config.getxAxis(); CollectionField yAxis = config.getyAxis(); String valueAlias = QueryUtils.newCollectionAlias(query, value.getCollection()); String xAxisAlias = QueryUtils.newCollectionAlias(query, xAxis.getCollection()); String yAxisAlias = QueryUtils.newCollectionAlias(query, yAxis.getCollection()); query.setFrom(valueAlias); query.addSelect(valueAlias, Arrays.asList(value.getField())); query.addSelect(xAxisAlias, Arrays.asList(xAxis.getField())); query.addSelect(yAxisAlias, Arrays.asList(yAxis.getField())); if (selection != null) { Filter filter = selection.buildFilter(query); QueryUtils.and(query, filter); } return query; } private String newJavaScript() { StringBuilder code = new StringBuilder(); Query query = createQuery(); CollectionField value = config.getValue(); CollectionField xAxis = config.getxAxis(); CollectionField yAxis = config.getyAxis(); IEntityTable table = collectionManager.load(query); List<String> categories = new ArrayList<String>(); Map<String, Map<String, String>> values = new HashMap<String, Map<String, String>>(); while (table.next()) { String xAxisData = String.valueOf(table.getEntity(xAxis.getCollection()).get(xAxis.getField())); String yAxisData = String.valueOf(table.getEntity(yAxis.getCollection()).get(yAxis.getField())); String valueData = String.valueOf(table.getEntity(value.getCollection()).get(value.getField())); if (!categories.contains(xAxisData)) { categories.add(xAxisData); } if (!values.containsKey(yAxisData)) { values.put(yAxisData, new HashMap<String, String>()); } values.get(yAxisData).put(xAxisData, valueData); } table.close(); code.append("$(function () { $('#"); code.append(chart.getMarkupId()); String initUrl = config.getInit(); String init; if (Strings.isEmpty(initUrl)) { init = " chart: {\n" + " type: 'bar'\n" + " },\n" + "\n" + " title: {\n" + " text: null\n" + " },\n" + "\n" + " xAxis: {\n" + " labels: {\n" + " enabled: " + (categories.size() > 30 ? "false" : "true") + "\n" + " }," + " categories: [ ${categories} ]\n" + " },\n" + " yAxis: {\n" + " min: 0,\n" + " title: {\n" + " text: 'mutated samples'\n" + " }\n" + " },\n" + " tooltip: {\n" + " valueDecimals: 0,\n" + " valueSuffix: ' samples'\n" + " },\n" + " plotOptions: {\n" + " series: {\n" + " stacking: 'normal'\n" + " }\n" + " },\n" + " legend: {\n" + " layout: 'vertical',\n" + " align: 'right',\n" + " verticalAlign: 'top',\n" + " x: 0,\n" + " y: 30,\n" + " floating: false,\n" + " borderWidth: 1,\n" + " backgroundColor: '#FFFFFF',\n" + " shadow: true,\n" + " labelFormatter: function() {\n" + " return this.name.length>20 ? this.name.substr(0,19)+'...' : this.name;\n" + " }" + " },\n" + " credits: {\n" + " enabled: false\n" + " },\n" + " series: [ ${series} ] "; } else { IModel<String> initModel = new HtmlDataResourceModel(parentOri, initUrl); init = initModel.getObject(); } // Build categories StringBuilder categoriesText = new StringBuilder(); Iterator<String> categoriesIterator = categories.iterator(); while (categoriesIterator.hasNext()) { categoriesText.append("'").append(categoriesIterator.next()).append("'"); if (categoriesIterator.hasNext()) { categoriesText.append(", "); } } init = init.replace("${categories}", categoriesText.toString()); // Build series StringBuilder seriesText = new StringBuilder(); Iterator<String> seriesIterator = values.keySet().iterator(); while (seriesIterator.hasNext()) { String serieName = seriesIterator.next(); seriesText.append("{ name: '").append(serieName).append("'\n, data: ["); categoriesIterator = categories.iterator(); while (categoriesIterator.hasNext()) { seriesText.append(values.get(serieName).get(categoriesIterator.next())); if (categoriesIterator.hasNext()) { seriesText.append(", "); } } if (seriesIterator.hasNext()) { seriesText.append("] }, \n"); } else { seriesText.append("] }\n"); } } init = init.replace("${series}", seriesText.toString()); code.append("').highcharts({" + init + "});})"); return code.toString(); } }