Java tutorial
/********************************************************* Copyright or or Copr. IETR/INSA: Matthieu Wipliez, Jonathan Piat, Maxime Pelcat, Jean-Franois Nezan, Mickal Raulet [mwipliez,jpiat,mpelcat,jnezan,mraulet]@insa-rennes.fr This software is a computer program whose purpose is to prototype parallel applications. This software is governed by the CeCILL-C license under French law and abiding by the rules of distribution of free software. You can use, modify and/ or redistribute the software under the terms of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following URL "http://www.cecill.info". As a counterpart to the access to the source code and rights to copy, modify and redistribute granted by the license, users are provided only with a limited warranty and the software's author, the holder of the economic rights, and the successive licensors have only limited liability. In this respect, the user's attention is drawn to the risks associated with loading, using, modifying and/or developing or reproducing the software by the user in light of its specific status of free software, that may mean that it is complicated to manipulate, and that also therefore means that it is reserved for developers and experienced professionals having in-depth computer knowledge. Users are therefore encouraged to load and test the software's suitability as regards their requirements in conditions enabling the security of their systems and/or data to be ensured and, more generally, to use and operate it in the same conditions as regards security. The fact that you are presently reading this means that you have had knowledge of the CeCILL-C license and that you accept its terms. *********************************************************/ package org.ietr.preesm.mapper.ui; import java.awt.Color; import java.awt.Frame; import java.awt.LinearGradientPaint; import java.awt.Paint; import java.awt.event.WindowEvent; import java.awt.geom.Point2D; import java.util.List; import org.eclipse.swt.SWT; import org.eclipse.swt.awt.SWT_AWT; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Composite; import org.ietr.preesm.mapper.gantt.GanttComponent; import org.ietr.preesm.mapper.gantt.GanttData; import org.ietr.preesm.mapper.gantt.GanttTask; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.labels.IntervalCategoryItemLabelGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.DefaultDrawingSupplier; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.IntervalCategoryDataset; import org.jfree.data.gantt.Task; import org.jfree.data.gantt.TaskSeries; import org.jfree.data.gantt.TaskSeriesCollection; import org.jfree.data.time.SimpleTimePeriod; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RectangleInsets; import org.jfree.ui.RefineryUtilities; /** * Gantt plotter of a mapperdagvertex using JFreeChart * * @author mpelcat */ public class GanttPlotter extends ApplicationFrame { private static final long serialVersionUID = 1L; JFreeChart chart = null; ChartPanel chartPanel = null; /** * Creates a chart. * * @param dataset * a dataset. * * @return A chart. */ private JFreeChart createChart(IntervalCategoryDataset dataset) { JFreeChart chart = ChartFactory.createGanttChart("Solution Gantt", // title "Operators", // x-axis label "Time", // y-axis label null, // data true, // create legend? true, // generate tooltips? false // generate URLs? ); CategoryPlot plot = (CategoryPlot) chart.getPlot(); Paint p = getBackgroundColorGradient(); chart.setBackgroundPaint(p); plot.setBackgroundPaint(Color.white); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.black); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); plot.setOrientation(PlotOrientation.HORIZONTAL); DateAxis xaxis = (DateAxis) plot.getRangeAxis(); xaxis.setDateFormatOverride(new VertexDateFormat()); xaxis.setPositiveArrowVisible(true); DefaultDrawingSupplier d = new DefaultDrawingSupplier(); plot.setDrawingSupplier(d); MyGanttRenderer ren = new MyGanttRenderer(); // ren.setRepaintedListener(new RefreshRepaintedListener(this)); ren.setSeriesItemLabelsVisible(0, false); ren.setSeriesVisibleInLegend(0, false); ren.setSeriesItemLabelGenerator(0, new IntervalCategoryItemLabelGenerator()); ren.setSeriesToolTipGenerator(0, new MapperGanttToolTipGenerator()); ren.setAutoPopulateSeriesShape(false); plot.setRenderer(ren); plot.setDataset(dataset); return chart; } /** * Creates a dataset from a MapperDAGVertex. This dataset is used to prepare * display of a Gantt chart with one line per populated SLAM component. * * @return The dataset. */ private static IntervalCategoryDataset createDataset(GanttData ganttData) { TaskSeries series = new TaskSeries("Scheduled"); // Creating the component lines (operator or communicator) List<GanttComponent> components = ganttData.getComponents(); for (GanttComponent cmp : components) { Task currentJFreeCmp = new Task(cmp.getId(), new SimpleTimePeriod(0, 1)); series.add(currentJFreeCmp); // Setting the series length to the maximum end time of a task long finalCost = cmp.getEndTime(); series.get(cmp.getId()).setDuration(new SimpleTimePeriod(0, finalCost)); for (GanttTask ganttTask : cmp.getTasks()) { String taskName = ganttTask.getId(); long start = ganttTask.getStartTime(); long end = start + ganttTask.getDuration(); Task currentJFreeTask = new Task(taskName, new SimpleTimePeriod(start, end)); currentJFreeCmp.addSubtask(currentJFreeTask); } } TaskSeriesCollection collection = new TaskSeriesCollection(); collection.add(series); return collection; } public static void plotDeployment(GanttData ganttData, Composite delegateDisplay) { GanttPlotter plotter = new GanttPlotter("Solution gantt", ganttData); if (delegateDisplay == null) { plotter.plot(); } else { plotter.plotInComposite(delegateDisplay); } } /** * Starting point for the demonstration application. * * @param args * ignored. */ public void plot() { pack(); RefineryUtilities.centerFrameOnScreen(this); setVisible(true); } /** * Gantt chart plotting function in a given composite */ public void plotInComposite(Composite parent) { Composite composite = new Composite(parent, SWT.EMBEDDED | SWT.FILL); parent.setLayout(new FillLayout()); Frame frame = SWT_AWT.new_Frame(composite); frame.add(getContentPane()); MouseClickedListener listener = new MouseClickedListener(frame); chartPanel.addChartMouseListener(listener); chartPanel.addMouseMotionListener(listener); chartPanel.addMouseListener(listener); } /** * Plotting a Gantt chart */ public GanttPlotter(String title, GanttData ganttData) { super(title); chart = createChart(createDataset(ganttData)); chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); chartPanel.setMouseZoomable(true, true); setContentPane(chartPanel); } @Override public void windowClosing(WindowEvent event) { if (event.equals(WindowEvent.WINDOW_CLOSING)) { } } public static LinearGradientPaint getBackgroundColorGradient() { Point2D start = new Point2D.Float(0, 0); Point2D end = new Point2D.Float(500, 500); float[] dist = { 0.0f, 0.8f }; Color[] colors = { new Color(170, 160, 190), Color.WHITE }; LinearGradientPaint p = new LinearGradientPaint(start, end, dist, colors); return p; } }