Java tutorial
/** * Copyright 2012-2013 Wicked Charts (http://wicked-charts.googlecode.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.googlecode.wickedcharts.wicket6.highcharts.features.basic; import java.text.MessageFormat; import javax.swing.text.html.Option; import org.apache.wicket.Component; import org.apache.wicket.behavior.Behavior; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.JavaScriptReferenceHeaderItem; import org.apache.wicket.markup.head.OnDomReadyHeaderItem; import com.googlecode.wickedcharts.highcharts.jackson.JsonRenderer; import com.googlecode.wickedcharts.highcharts.options.Options; import com.googlecode.wickedcharts.highcharts.options.processing.Feature; import com.googlecode.wickedcharts.highcharts.options.processing.FeatureCheckingOptionsProcessor; import com.googlecode.wickedcharts.highcharts.options.processing.IOptionsProcessor; import com.googlecode.wickedcharts.highcharts.options.processing.IdGeneratorProcessor; import com.googlecode.wickedcharts.highcharts.options.processing.OptionsProcessorContext; import com.googlecode.wickedcharts.highcharts.options.util.OptionsUtil; import com.googlecode.wickedcharts.wicket6.JavaScriptResourceRegistry; import com.googlecode.wickedcharts.wicket6.highcharts.Chart; import com.googlecode.wickedcharts.wicket6.highcharts.JsonRendererFactory; import com.googlecode.wickedcharts.wicket6.highcharts.features.drilldown.DrilldownProcessor; import com.googlecode.wickedcharts.wicket6.highcharts.features.global.GlobalProcessor; import com.googlecode.wickedcharts.wicket6.highcharts.features.interaction.InteractionProcessor; import com.googlecode.wickedcharts.wicket6.highcharts.features.livedata.LiveDataProcessor; import com.googlecode.wickedcharts.wicket6.highcharts.features.selection.SelectionProcessor; /** * This behavior takes in an {@link Options} object containing the configuration * of a chart and calls the proper javascript to display the chart in the * component to which this behavior is added. * * @author Tom Hombergs (tom.hombergs@gmail.com) * */ public class ChartBehavior extends Behavior { private static final long serialVersionUID = 1L; private final Chart chart; private static final Feature[] SUPPORTED_FEATURES = new Feature[] { Feature.DRILLDOWN, Feature.GLOBAL, Feature.INTERACTION, Feature.LIVEDATA, Feature.SELECTION }; /** * Constructor. * * @param options * the options for the chart. The {@link Option} class is very * similar in structure to the Highcharts API reference, see * http://www.highcharts.com/ref/. */ public ChartBehavior(final Chart container) { this.chart = container; } private void addTheme(final IHeaderResponse response, final JsonRenderer renderer) { if (this.chart.getTheme() != null) { response.render(OnDomReadyHeaderItem.forScript( MessageFormat.format("Highcharts.setOptions({0});", renderer.toJson(this.chart.getTheme())))); } else if (this.chart.getThemeUrl() != null) { response.render(JavaScriptReferenceHeaderItem.forUrl(this.chart.getThemeUrl())); } else if (this.chart.getThemeReference() != null) { response.render(JavaScriptReferenceHeaderItem.forReference(this.chart.getThemeReference())); } } /** * Includes the javascript that calls the Highcharts library to visualize the * chart. * * @param response * the Wicket HeaderResponse * @param options * the options containing the data to display * @param renderer * the JsonRenderer responsible for rendering the options * @param markupId * the DOM ID of the chart component. */ protected void includeChartJavascript(final IHeaderResponse response, final Options options, final JsonRenderer renderer, final String markupId) { String chartVarname = this.chart.getJavaScriptVarName(); String optionsVarname = markupId + "Options"; response.render(OnDomReadyHeaderItem .forScript(MessageFormat.format("var {0} = {1};window.{2} = new Highcharts.Chart({0});", optionsVarname, renderer.toJson(options), chartVarname))); } private void includeJavascriptDependencies(final IHeaderResponse response, final Options options) { JavaScriptResourceRegistry.getInstance().getJQueryEntry().addToHeaderResponse(response); JavaScriptResourceRegistry.getInstance().getHighchartsEntry().addToHeaderResponse(response); if (OptionsUtil.needsExportingJs(options)) { JavaScriptResourceRegistry.getInstance().getHighchartsExportingEntry().addToHeaderResponse(response); } if (OptionsUtil.needsHighchartsMoreJs(options)) { JavaScriptResourceRegistry.getInstance().getHighchartsMoreEntry().addToHeaderResponse(response); } } @Override public void onConfigure(final Component component) { super.onConfigure(component); OptionsProcessorContext context = new OptionsProcessorContext(this.chart.getOptions()); IOptionsProcessor featureProcessor = new FeatureCheckingOptionsProcessor(SUPPORTED_FEATURES); featureProcessor.processOptions(this.chart.getOptions(), context); IOptionsProcessor idProcessor = new IdGeneratorProcessor(); idProcessor.processOptions(this.chart.getOptions(), context); LiveDataProcessor liveDataProcessor = new LiveDataProcessor(component); liveDataProcessor.processOptions(this.chart.getOptions(), context); InteractionProcessor interactionProcessor = new InteractionProcessor(this.chart); interactionProcessor.processOptions(this.chart.getOptions(), context); SelectionProcessor selectionProcessor = new SelectionProcessor(this.chart); selectionProcessor.processOptions(this.chart.getOptions(), context); } @Override public void renderHead(final Component component, final IHeaderResponse response) { component.setOutputMarkupId(true); Options options = this.chart.getOptions(); final String id = component.getMarkupId(); OptionsUtil.getInstance().setRenderTo(options, id); JsonRenderer renderer = JsonRendererFactory.getInstance().getRenderer(); includeJavascriptDependencies(response, options); addTheme(response, renderer); OptionsProcessorContext context = new OptionsProcessorContext(options); DrilldownProcessor drilldownProcessor = new DrilldownProcessor(component, response); drilldownProcessor.processOptions(options, context); GlobalProcessor globalProcessor = new GlobalProcessor(response); globalProcessor.processOptions(options, context); includeChartJavascript(response, options, renderer, id); } }