eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/descriptiveDataSet/matrix/QuantitativeChartTooltip.java

   1 /**
   2 * Copyright (C) 2018 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.editor.descriptiveDataSet.matrix;
  10
  11 import java.util.List;
  12
  13 import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
  14 import org.eclipse.jface.window.DefaultToolTip;
  15 import org.eclipse.jface.window.ToolTip;
  16 import org.eclipse.nebula.widgets.nattable.util.GUIHelper;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.graphics.Point;
  19 import org.eclipse.swt.layout.FillLayout;
  20 import org.eclipse.swt.layout.GridData;
  21 import org.eclipse.swt.layout.GridLayout;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Event;
  24 import org.eclipse.swt.widgets.Label;
  25 import org.swtchart.Chart;
  26 import org.swtchart.IAxis;
  27 import org.swtchart.ILineSeries;
  28 import org.swtchart.ILineSeries.PlotSymbolType;
  29 import org.swtchart.ISeries.SeriesType;
  30 import org.swtchart.LineStyle;
  31
  32 import eu.etaxonomy.cdm.model.description.Feature;
  33
  34 /**
  35  * @author pplitzner
  36  * @since Jul 6, 2018
  37  *
  38  */
  39 public class QuantitativeChartTooltip extends DefaultToolTip {
  40
  41     private CharacterMatrix matrix;
  42
  43     public QuantitativeChartTooltip(CharacterMatrix matrix) {
  44         super(matrix.getNatTable(), ToolTip.NO_RECREATE, false);
  45         this.matrix = matrix;
  46     }
  47
  48     @Override
  49     protected Object getToolTipArea(Event event) {
  50         int col = matrix.getNatTable().getColumnPositionByX(event.x);
  51         int row = matrix.getNatTable().getRowPositionByY(event.y);
  52         return new Point(col, row);
  53     }
  54
  55     @Override
  56     protected Composite createToolTipContentArea(Event event,
  57             Composite parent) {
  58
  59         int colPos = matrix.getNatTable().getColumnPositionByX(event.x);
  60         int colIndex = matrix.getNatTable().getColumnIndexByPosition(colPos);
  61         Feature feature = matrix.getIndexToFeatureMap().get(colIndex);
  62         QuantitativeDataStatistics dataStatistics = matrix.getFeatureToQuantDataStatisticsMap().get(feature);
  63
  64         Composite tooltip;
  65         if(dataStatistics!=null){
  66             parent.setLayout(new GridLayout());
  67             tooltip = createTooltip(event, parent);
  68         }
  69         else{
  70             tooltip = new Composite(parent, SWT.NONE);
  71             tooltip.setLayout(new FillLayout());
  72             Label label = new Label(tooltip, SWT.NONE);
  73             label.setText(CategoricalChartTooltip.TOOLTIP_NOT_AVAILABLE);
  74         }
  75         return tooltip;
  76
  77     }
  78
  79     private Composite createTooltip(Event event, Composite parent){
  80         Chart chart = new Chart(parent, SWT.NONE);
  81         chart.setLayoutData(new GridData(600, 300));
  82
  83         //get statistics for column
  84         int colPos = matrix.getNatTable().getColumnPositionByX(event.x);
  85         int colIndex = matrix.getNatTable().getColumnIndexByPosition(colPos);
  86         Feature feature = matrix.getIndexToFeatureMap().get(colIndex);
  87         QuantitativeDataStatistics quantitativeDataStatistics = matrix.getFeatureToQuantDataStatisticsMap().get(feature);
  88         List<DescriptiveStatistics> statistics = quantitativeDataStatistics.getStatistics();
  89
  90         //prepare series
  91         double[] exactMean = statistics.stream().mapToDouble(statistic->statistic.getMean()).toArray();
  92         double[] mins = statistics.stream().mapToDouble(statistic->statistic.getMin()).toArray();
  93         double[] maxs = statistics.stream().mapToDouble(statistic->statistic.getMax()).toArray();
  94
  95         // set chart title
  96         chart.getTitle().setText(feature.getLabel());
  97
  98         // create exact/mean series
  99         ILineSeries meanExactSeries = (ILineSeries) chart.getSeriesSet()
 100                 .createSeries(SeriesType.LINE, "exact/mean");
 101         meanExactSeries.setYSeries(exactMean);
 102         meanExactSeries.setLineStyle(LineStyle.NONE);
 103         meanExactSeries.setSymbolColor(GUIHelper.COLOR_BLUE);
 104
 105         // create min series
 106         ILineSeries minSeries = (ILineSeries) chart.getSeriesSet()
 107                 .createSeries(SeriesType.LINE, "min");
 108         minSeries.setYSeries(mins);
 109         minSeries.setLineStyle(LineStyle.NONE);
 110         minSeries.setSymbolType(PlotSymbolType.INVERTED_TRIANGLE);
 111         minSeries.setSymbolColor(GUIHelper.COLOR_GREEN);
 112
 113         // create max series
 114         ILineSeries maxSeries = (ILineSeries) chart.getSeriesSet()
 115                 .createSeries(SeriesType.LINE, "max");
 116         maxSeries.setYSeries(maxs);
 117         maxSeries.setLineStyle(LineStyle.NONE);
 118         maxSeries.setSymbolType(PlotSymbolType.TRIANGLE);
 119         maxSeries.setSymbolColor(GUIHelper.COLOR_RED);
 120
 121         IAxis yAxis = chart.getAxisSet().getYAxis(0);
 122         yAxis.getTitle().setVisible(false);
 123         IAxis xAxis = chart.getAxisSet().getXAxis(0);
 124         xAxis.getTitle().setVisible(false);
 125
 126         chart.getAxisSet().adjustRange();
 127
 128         return chart;
 129     }
 130
 131     @Override
 132     protected boolean shouldCreateToolTip(Event event) {
 133         //Differentiation between "index" and "position" is important here
 134         //"position" is the current visible index
 135         //"index" refers to the underlying data model
 136         int colPos = matrix.getNatTable().getColumnPositionByX(event.x);
 137         int colIndex = matrix.getNatTable().getColumnIndexByPosition(colPos);
 138         int rowPos = matrix.getNatTable().getRowPositionByY(event.y);
 139         Feature feature = matrix.getIndexToFeatureMap().get(colIndex);
 140
 141         if(matrix.isShowTooltips()
 142                 && rowPos==1
 143                 && feature!=null
 144                 && feature.isSupportsQuantitativeData()
 145                 && colIndex>=CharacterMatrix.LEADING_COLUMN_COUNT) {
 146             return true;
 147         }
 148         return false;
 149     }
 150
 151 }