Java tutorial
/* (C) 2009 Mathijs Vogelzang/University Medical Center Groningen. * For more information go to http://qube.sf.net/ * * This file is part of QuBE (Quantitative Blush Evaluator). * * QuBE is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * QuBE is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with QuBE. If not, see <http://www.gnu.org/licenses/>. */ package nl.umcg.qube.ui; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import nl.umcg.qube.model.CAGSequence; import nl.umcg.qube.model.MoveCorrection; import nl.umcg.qube.model.Polygon; import nl.umcg.qube.process.IBlushCalculator; import nl.umcg.qube.process.IBlushCalculator.CalculationResult; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.ValueMarker; import org.jfree.data.xy.DefaultXYDataset; /** * TODO because this class was made later, it depends a lot on CAGPanel, common * stuff should be pulled up instead of this class getting it all from cagpanel. * * @author mathijs * */ public class StatisticsPanel extends JPanel { private static final long serialVersionUID = 5398400651129966151L; protected CAGPanel cagPanel; protected ChartPanel chartPanel; protected JFreeChart chart; protected DefaultXYDataset dataSet; protected JLabel blushLabel; protected Polygon polygon; protected IBlushCalculator blushCalculator; public void recalc() { if (polygon != null && cagPanel.getSequence() != null) { CAGSequence sequence = cagPanel.getSequence(); MoveCorrection mi = cagPanel.moveCalculator.getMoveCorrection(sequence); while (dataSet.getSeriesCount() > 0) dataSet.removeSeries(dataSet.getSeriesKey(0)); double[] idx = new double[sequence.frameCount() - 2]; double[] val = new double[sequence.frameCount() - 2]; CalculationResult cr = blushCalculator.calculate(sequence, polygon, mi); for (int i = 1; i <= idx.length; i++) { idx[i - 1] = i + 1; val[i - 1] = cr.curve[i]; } dataSet.addSeries("Blush curve", new double[][] { idx, val }); blushLabel.setText(String.format("QuBE value: %.1f", cr.qubeValue)); chartPanel.repaint(); } } public StatisticsPanel(CAGPanel cag_panel) { super(new BorderLayout()); cagPanel = cag_panel; cagPanel.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent arg0) { // redrawing the chart during sequence viewing is very slow // don't update it therefore. if (chart != null && !cagPanel.sequenceRunning()) { chart.getXYPlot().clearDomainMarkers(); chart.getXYPlot().addDomainMarker(new ValueMarker(cagPanel.getCurrentFrameNo() + 1)); } } }); JPanel commandPanel = new JPanel(); JButton calc = new JButton("Recalculate"); calc.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { recalc(); } }); commandPanel.add(calc); blushLabel = new JLabel(""); commandPanel.add(blushLabel); add(commandPanel, BorderLayout.NORTH); dataSet = new DefaultXYDataset(); chart = ChartFactory.createXYLineChart("Blush value", "Frame no.", "arbitrary units", dataSet, PlotOrientation.VERTICAL, true, false, false); chartPanel = new ChartPanel(chart); add(chartPanel); } public void setBlushCalculator(IBlushCalculator calculator) { this.blushCalculator = calculator; } public void resetSequenceOrPolygon() { recalc(); } public void setPolygon(Polygon poly) { this.polygon = poly; } /* * (non-Javadoc) * * @see javax.swing.JComponent#getPreferredSize() */ @Override public Dimension getPreferredSize() { return new Dimension(500, 500); } }