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/**
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* Copyright (C) 2018 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.descriptiveDataSet.matrix;
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import java.util.List;
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import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
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import org.eclipse.jface.window.DefaultToolTip;
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import org.eclipse.jface.window.ToolTip;
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import org.eclipse.nebula.widgets.nattable.util.GUIHelper;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Event;
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import org.swtchart.Chart;
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import org.swtchart.IAxis;
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import org.swtchart.ILineSeries;
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import org.swtchart.ILineSeries.PlotSymbolType;
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import org.swtchart.ISeries.SeriesType;
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import org.swtchart.LineStyle;
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import eu.etaxonomy.cdm.model.description.Feature;
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/**
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* @author pplitzner
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* @since Jul 6, 2018
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*
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*/
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public class QuantitativeChartTooltip extends DefaultToolTip {
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private CharacterMatrix matrix;
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public QuantitativeChartTooltip(CharacterMatrix matrix) {
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super(matrix.getNatTable(), ToolTip.NO_RECREATE, false);
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this.matrix = matrix;
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}
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@Override
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protected Object getToolTipArea(Event event) {
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int col = matrix.getNatTable().getColumnPositionByX(event.x);
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int row = matrix.getNatTable().getRowPositionByY(event.y);
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return new Point(col, row);
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}
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@Override
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protected Composite createToolTipContentArea(Event event,
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Composite parent) {
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parent.setLayout(new GridLayout());
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Chart chart = new Chart(parent, SWT.NONE);
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chart.setLayoutData(new GridData(600, 300));
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//get statistics for column
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int colPos = matrix.getNatTable().getColumnPositionByX(event.x);
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int colIndex = matrix.getNatTable().getColumnIndexByPosition(colPos);
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Feature feature = matrix.getIndexToFeatureMap().get(colIndex);
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QuantitativeDataStatistics quantitativeDataStatistics = matrix.getFeatureToQuantDataStatisticsMap().get(feature);
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List<DescriptiveStatistics> statistics = quantitativeDataStatistics.getStatistics();
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//prepare series
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double[] exactMean = statistics.stream().mapToDouble(statistic->statistic.getMean()).toArray();
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double[] mins = statistics.stream().mapToDouble(statistic->statistic.getMin()).toArray();
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double[] maxs = statistics.stream().mapToDouble(statistic->statistic.getMax()).toArray();
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// set chart title
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chart.getTitle().setText(feature.getLabel());
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// create exact/mean series
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ILineSeries meanExactSeries = (ILineSeries) chart.getSeriesSet()
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.createSeries(SeriesType.LINE, "exact/mean");
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meanExactSeries.setYSeries(exactMean);
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meanExactSeries.setLineStyle(LineStyle.NONE);
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meanExactSeries.setSymbolColor(GUIHelper.COLOR_BLUE);
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// create min series
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ILineSeries minSeries = (ILineSeries) chart.getSeriesSet()
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.createSeries(SeriesType.LINE, "min");
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minSeries.setYSeries(mins);
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minSeries.setLineStyle(LineStyle.NONE);
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minSeries.setSymbolType(PlotSymbolType.INVERTED_TRIANGLE);
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minSeries.setSymbolColor(GUIHelper.COLOR_GREEN);
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// create max series
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ILineSeries maxSeries = (ILineSeries) chart.getSeriesSet()
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.createSeries(SeriesType.LINE, "max");
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maxSeries.setYSeries(maxs);
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maxSeries.setLineStyle(LineStyle.NONE);
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maxSeries.setSymbolType(PlotSymbolType.TRIANGLE);
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maxSeries.setSymbolColor(GUIHelper.COLOR_RED);
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IAxis yAxis = chart.getAxisSet().getYAxis(0);
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yAxis.getTitle().setVisible(false);
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IAxis xAxis = chart.getAxisSet().getXAxis(0);
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xAxis.getTitle().setVisible(false);
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chart.getAxisSet().adjustRange();
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return chart;
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}
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@Override
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protected boolean shouldCreateToolTip(Event event) {
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//Differentiation between "index" and "position" is important here
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//"position" is the current visible index
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//"index" refers to the underlying data model
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int colPos = matrix.getNatTable().getColumnPositionByX(event.x);
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int colIndex = matrix.getNatTable().getColumnIndexByPosition(colPos);
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int rowPos = matrix.getNatTable().getRowPositionByY(event.y);
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Feature feature = matrix.getIndexToFeatureMap().get(colIndex);
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QuantitativeDataStatistics dataStatistics = matrix.getFeatureToQuantDataStatisticsMap().get(feature);
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if(matrix.isShowTooltips()
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&& rowPos==1
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&& colIndex>=CharacterMatrix.LEADING_COLUMN_COUNT
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&& dataStatistics!=null) {
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return true;
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}
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return false;
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}
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}
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