SushiSplatterChartOptions.java

package sushi.application.pages.monitoring.visualisation;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import org.apache.tools.ant.util.DateUtils;

import sushi.event.SushiEvent;
import sushi.event.SushiEventType;
import sushi.visualisation.SushiChartConfiguration;

import com.googlecode.wickedcharts.highcharts.options.Axis;
import com.googlecode.wickedcharts.highcharts.options.AxisType;
import com.googlecode.wickedcharts.highcharts.options.ChartOptions;
import com.googlecode.wickedcharts.highcharts.options.DateTimeLabelFormat;
import com.googlecode.wickedcharts.highcharts.options.DateTimeLabelFormat.DateTimeProperties;
import com.googlecode.wickedcharts.highcharts.options.Function;
import com.googlecode.wickedcharts.highcharts.options.Options;
import com.googlecode.wickedcharts.highcharts.options.SeriesType;
import com.googlecode.wickedcharts.highcharts.options.Title;
import com.googlecode.wickedcharts.highcharts.options.Tooltip;
import com.googlecode.wickedcharts.highcharts.options.color.RgbaColor;
import com.googlecode.wickedcharts.highcharts.options.series.Coordinate;
import com.googlecode.wickedcharts.highcharts.options.series.CustomCoordinatesSeries;

/**
 * This class prepares a splatter diagram that illustrates the attribute values of an attribute of an eventtype
 * This object can be used to create a chart-object with the wicked chart framework.
 */
	public class SushiSplatterChartOptions extends Options{
		
	  public SushiEventType eventType;
	  public String attributeName;
	  public String title;

      private static final long serialVersionUID = 1L;

	  public SushiSplatterChartOptions(SushiChartConfiguration configuration) throws Exception {
		  eventType = configuration.getEventType();
		  attributeName = configuration.getAttributeName();
		  title = configuration.getTitle();
		  
		  
		    ChartOptions chartOptions = new ChartOptions();
		    chartOptions.setType(SeriesType.SCATTER);
		    this.setChartOptions(chartOptions);

		    this.setTitle(new Title(title));

		    //X-Achse    
		    Axis xAxis = new Axis();
		    xAxis.setType(AxisType.DATETIME);

		    DateTimeLabelFormat dateTimeLabelFormat = new DateTimeLabelFormat()
		    	.setProperty(DateTimeProperties.DAY, "%e.%m.%Y")
		        .setProperty(DateTimeProperties.MONTH, "%m/%Y")
		        .setProperty(DateTimeProperties.YEAR, "%Y");
		    	
		    xAxis.setDateTimeLabelFormats(dateTimeLabelFormat);
		    
		    this.setxAxis(xAxis);

		    //Y-Achse
		    Axis yAxis = new Axis();
		    yAxis.setTitle(new Title(attributeName));
		    yAxis.setType(AxisType.LINEAR);
		    
		    this.setyAxis(yAxis);

		    //Tooltip
		    Tooltip tooltip = new Tooltip();
		    tooltip
		        .setFormatter(new Function(
		            "return '<b>'+ this.series.name +'</b><br/>'+Highcharts.dateFormat('%e.%m.%Y', this.x) +': '+ this.y ;"));
		    this.setTooltip(tooltip);
		    
		    CustomCoordinatesSeries<String, Number> series = new CustomCoordinatesSeries<String, Number>();
		    series.setColor(new RgbaColor(119, 152, 191, 0.5f));
		    series.setName(eventType.getTypeName());
		    series.setData(getSeriesData());
		    addSeries(series);

		  }

	  /**
	   * prepares data for the chart
	   * @return data series
	   * @throws Exception
	   */
		private List<Coordinate<String, Number>> getSeriesData() throws Exception {
			
		    List<Coordinate<String, Number>> seriesData = new ArrayList<Coordinate<String, Number>>();
			
			for (SushiEvent event : SushiEvent.findByEventType(eventType)) {
				Serializable value = event.getValues().get(attributeName);
				if (value == null) throw new Exception("AttributeName " + attributeName + " contains null-Values for " + eventType);
				//values should be integer
				int intValue = 0;
				try { intValue = Integer.parseInt((String) value);}
				catch(Exception e) { intValue = (Integer) value;};
				seriesData.add(new Coordinate<String, Number>
							(DateUtils.format(event.getTimestamp(), "'Date.UTC('yyyy, M, d, h, m, s')'"), intValue));
			}
			
			return seriesData;
		}
	}