/* Histogram application that is capable of reading PlotML files.

@Author: Edward A. Lee

@Version: $Id: HistogramMLApplication.java,v 1.18 2003/04/29 01:22:08 cxh Exp $

@Copyright (c) 1997-2003 The Regents of the University of California.
All rights reserved.

Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the
above copyright notice and the following two paragraphs appear in all
copies of this software.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.

                                                PT_COPYRIGHT_VERSION_2
                                                COPYRIGHTENDKEY
@ProposedRating red (eal@eecs.berkeley.edu)
@AcceptedRating red (cxh@eecs.berkeley.edu)
*/
package ptolemy.plot.plotml;

import ptolemy.plot.Histogram;
import ptolemy.plot.PlotBox;
import ptolemy.plot.Plot;
import ptolemy.gui.Query;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JOptionPane;

//////////////////////////////////////////////////////////////////////////
//// HistogramMLApplication

/**
An application that can histogram data in PlotML format from a URL or
from files specified on the command line.
To compile and run this application, do the following:
<pre>
    javac -classpath ../../.. HistogramMLApplication.java
    java -classpath ../../.. ptolemy.plot.plotml.HistogramMLApplication
</pre>

@author Edward A. Lee
@version $Id: HistogramMLApplication.java,v 1.18 2003/04/29 01:22:08 cxh Exp $
@since Ptolemy II 0.4
@see Histogram
*/
public class HistogramMLApplication extends PlotMLApplication {

    /** Construct a histogram with no command-line arguments.
     *  It initially displays a sample plot.
     *  @exception Exception If command line arguments have problems.
     */
    public HistogramMLApplication() throws Exception {
        this(null);
    }

    /** Construct a plot with the specified command-line arguments.
     *  @param args The command-line arguments.
     *  @exception Exception If command line arguments have problems.
     */
    public HistogramMLApplication(String args[]) throws Exception {
        this(new Histogram(), args);
    }

    /** Construct a plot with the specified command-line arguments
     *  and instance of plot.
     *  @param plot The instance of Histogram to use.
     *  @param args The command-line arguments.
     *  @exception Exception If command line arguments have problems.
     */
    public HistogramMLApplication(Histogram plot, String args[])
            throws Exception {
        super(plot, args);
        setTitle("Ptolemy Histogram");
    }

    ///////////////////////////////////////////////////////////////////
    ////                         public methods                    ////

    /** Create a new plot window and map it to the screen.
     */
    public static void main(String args[]) {
        try {
            HistogramMLApplication plot =
                new HistogramMLApplication(new Histogram(), args);
        } catch (Exception ex) {
            System.err.println(ex.toString());
            ex.printStackTrace();
        }

        // If the -test arg was set, then exit after 2 seconds.
        if (_test) {
            try {
                Thread.sleep(2000);
            }
            catch (InterruptedException e) {
            }
            System.exit(0);
        }
    }

    ///////////////////////////////////////////////////////////////////
    ////                         protected methods                 ////

    /** Display basic information about the application.
     */
    protected void _about() {
        JOptionPane.showMessageDialog(this,
                "HistogramMLApplication class\n" +
                "By: Edward A. Lee, eal@eecs.berkeley.edu " +
                "and Christopher Hylands, cxh@eecs.berkeley.edu\n" +
                "Version " + PlotBox.PTPLOT_RELEASE +
                ", Build: $Id: HistogramMLApplication.java,v 1.18 2003/04/29 01:22:08 cxh Exp $\n\n"+
                "For more information, see\n" +
                "http://ptolemy.eecs.berkeley.edu/java/ptplot\n\n" +
                "Copyright (c) 1997-2003 " +
                "The Regents of the University of California.",
                "About Ptolemy Plot", JOptionPane.INFORMATION_MESSAGE);
    }

    /** Display more detailed information than given by _about().
     */
    protected void _help() {
        JOptionPane.showMessageDialog(this,
                "HistogramMLApplication is a standalone plot " +
                " application.\n" +
                "  File formats understood: PlotML and Ptplot ASCII.\n" +
                "  Left mouse button: Zooming.\n" +
                "  Right mouse button: Editing data (use edit menu to select " +
                "a dataset).\n\n" +
                _usage(),
                "About Ptolemy Plot", JOptionPane.INFORMATION_MESSAGE);
    }

    /** Create a new parser object for the application.  Derived classes can
     *  redefine this method to return a different type of parser.
     *  @return A new parser.
     */
    protected PlotBoxMLParser _newParser() {
        return new HistogramMLParser((Histogram)plot);
    }
}