001/* An applet demonstrating EditablePlot.
002
003 Copyright (c) 1999-2014 The Regents of the University of California.
004 All rights reserved.
005 Permission is hereby granted, without written agreement and without
006 license or royalty fees, to use, copy, modify, and distribute this
007 software and its documentation for any purpose, provided that the above
008 copyright notice and the following two paragraphs appear in all copies
009 of this software.
010
011 IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
012 FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
013 ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
014 THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
015 SUCH DAMAGE.
016
017 THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
018 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
019 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
020 PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
021 CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
022 ENHANCEMENTS, OR MODIFICATIONS.
023
024 PT_COPYRIGHT_VERSION_2
025 COPYRIGHTENDKEY
026
027 */
028package ptolemy.domains.sdf.demo.Sketch;
029
030import ptolemy.actor.CompositeActor;
031import ptolemy.actor.Manager;
032import ptolemy.actor.gui.AWTContainer;
033import ptolemy.actor.gui.MoMLApplet;
034import ptolemy.actor.lib.gui.SketchedSource;
035import ptolemy.data.IntToken;
036import ptolemy.domains.sdf.kernel.SDFDirector;
037import ptolemy.kernel.util.IllegalActionException;
038import ptolemy.plot.EditListener;
039import ptolemy.plot.EditablePlot;
040
041///////////////////////////////////////////////////////////////////
042//// SketchApplet
043
044/**
045 This applet demonstrates the use of the SketchSource actor,
046 and in particular, how to share the same plot display between
047 an instance of SketchedSource and an instance of SequencePlotter.
048
049 @see SketchedSource
050 @author Edward A. Lee
051 @version $Id$
052 @since Ptolemy II 0.4
053 @Pt.ProposedRating Red (eal)
054 @Pt.AcceptedRating Red (reviewmoderator)
055 */
056@SuppressWarnings("serial")
057public class SketchApplet extends MoMLApplet implements EditListener {
058    ///////////////////////////////////////////////////////////////////
059    ////                         public methods                    ////
060
061    /** Execute the model.  This is called by the editable plot widget
062     *  when the user edits the data in the plot.  The execution is
063     *  carried out only if the model is idle (not currently executing).
064     *  @param source The plot containing the modified data.
065     *  @param dataset The data set that has been modified.
066     */
067    @Override
068    public void editDataModified(EditablePlot source, int dataset) {
069        try {
070            if (_manager.getState() == Manager.IDLE) {
071                _sketchedSource.editDataModified(source, dataset);
072                _go();
073            }
074        } catch (IllegalActionException ex) {
075            report(ex);
076        }
077    }
078
079    /** Create the shared plot and set it up based on the director parameters.
080     */
081    @Override
082    public void _createView() {
083        super._createView();
084
085        try {
086            // Find out how many iterations the director expects to run for.
087            CompositeActor toplevel = (CompositeActor) _toplevel;
088            SDFDirector director = (SDFDirector) toplevel.getDirector();
089            int iterations = ((IntToken) director.iterations.getToken())
090                    .intValue();
091
092            _sketchedSource = (SketchedSource) toplevel
093                    .getEntity("SketchedSource");
094
095            // Note: The order of the following is important.
096            // First, specify how long the sketched plot should be.
097            _sketchedSource.length.setToken(new IntToken(iterations));
098
099            // Then, create the plot and place it in this applet,
100            // and specify to both the source and destination actors
101            // to use the same plot widget.
102            EditablePlot plot = new EditablePlot();
103            plot.setSize(700, 300);
104            plot.setTitle("Editable envelope");
105            plot.setXRange(0, iterations);
106            plot.setButtons(true);
107            getContentPane().add(plot);
108            _sketchedSource.place(new AWTContainer(plot));
109            plot.setBackground(null);
110            plot.addEditListener(this);
111        } catch (Exception ex) {
112            report("Error constructing model.", ex);
113        }
114    }
115
116    /** The SketchedSource actor. */
117    public SketchedSource _sketchedSource;
118}