content: /**
   *   Copyright 2012-2019 Wicked Charts (http://github.com/adessoAG/wicked-charts)
   *
   *   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 de.adesso.wickedcharts.wicket8.highcharts.features.basic;
  
  import de.adesso.wickedcharts.highcharts.jackson.JsonRenderer;
  import de.adesso.wickedcharts.highcharts.options.Options;
  import de.adesso.wickedcharts.highcharts.options.processing.*;
  import de.adesso.wickedcharts.highcharts.options.util.OptionsUtil;
  import de.adesso.wickedcharts.wicket8.JavaScriptResourceRegistry;
  import de.adesso.wickedcharts.wicket8.highcharts.Chart;
  import de.adesso.wickedcharts.wicket8.highcharts.JsonRendererFactory;
  import de.adesso.wickedcharts.wicket8.highcharts.features.drilldown.DrilldownProcessor;
  import de.adesso.wickedcharts.wicket8.highcharts.features.global.GlobalProcessor;
  import de.adesso.wickedcharts.wicket8.highcharts.features.interaction.InteractionProcessor;
  import de.adesso.wickedcharts.wicket8.highcharts.features.livedata.LiveDataProcessor;
  import de.adesso.wickedcharts.wicket8.highcharts.features.selection.SelectionProcessor;
  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 java.text.MessageFormat;
  
  /**
   * 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 container The chart component
       */
      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 resourceRegistry = JavaScriptResourceRegistry.getInstance();
          resourceRegistry.getJQueryEntry().addToHeaderResponse(response);
          resourceRegistry.getHighchartsEntry().addToHeaderResponse(response);
          if (OptionsUtil.needsExportingJs(options)) {
              resourceRegistry.getHighchartsExportingEntry().addToHeaderResponse(response);
          }
          if (OptionsUtil.needsHighchartsMoreJs(options)) {
              resourceRegistry.getHighchartsMoreEntry().addToHeaderResponse(response);
          }
          if (OptionsUtil.needsFunnelJs(options)) {
              resourceRegistry.getFunnelEntry().addToHeaderResponse(response);
          }
          if (OptionsUtil.needsHeatmapJs(options)) {
              resourceRegistry.getHeatmapEntry().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);
      }
  
  }
  