Package com.meapsoft.gui

Source Code of com.meapsoft.gui.GUIExceptionHandler

/*
*  Copyright 2006-2007 Columbia University.
*
*  This file is part of MEAPsoft.
*
*  MEAPsoft is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License version 2 as
*  published by the Free Software Foundation.
*
*  MEAPsoft 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 MEAPsoft; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
*  02110-1301 USA
*
*  See the file "COPYING" for the text of the license.
*/

package com.meapsoft.gui;

import java.awt.Color;
import java.awt.Cursor;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Date;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextArea;
import javax.swing.KeyStroke;
import javax.swing.border.EtchedBorder;

import com.meapsoft.ExceptionHandler;
import com.meapsoft.MEAPUtil;
import com.meapsoft.visualizer.Visualizer;


/**
* GUI interface for the MEAPsoft utilities. 
*
* @author Douglas Repetto (douglas@music.columbia.edu)
* and the MEAP team
*/
public class MEAPsoftGUI extends MEAPUtil implements ActionListener, Runnable
{
    protected JFrame jframe;
  private JPanel mainGuiPanel;
 
  //IO data
  public static String dataDirectory;
  public static String meapsoftDirectory;
 
  //tabbed GUI
  private JTabbedPane tabs;
    private JPanel[] stripes = new JPanel[5];

    // MEAPsoft component panels
    public SegmenterPanel segmenterPanel;
    public FeatExtractorPanel featExtPanel;
    public ComposerPanel composerPanel;
    public SynthesizerPanel synthPanel;
    public PreferencesPanel prefsPanel;
    //public ConsolePanel consolePanel;

  //start button
  private JButton startButton;
    private JPanel goPanel;
    private JLabel statusBar;

    // the thread being used to run the MEAPsoft utilities
    private Thread runThread = null;
    // JPanel containing the progress bar when runThread is being executed
    private JPanel progressPanel = null;
 
    // main background color of the mainGuiPanel
    private Color bgColor;


  public MEAPsoftGUI()
  {   
        jframe = new JFrame("MEAPsoft-"+version);

    String paths[] = MEAPUtil.getPaths();
    if (paths != null)
    {
      meapsoftDirectory = paths[0];
      dataDirectory = paths[1];
    }
    else
      System.exit(-1);

        // Pop up a dialog box instead of spitting stuff out to the
        // console.
        exceptionHandler = new GUIExceptionHandler(jframe, "");

        jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jframe.setResizable(false);
    BuildGUI();
        setDefaultInputFile();
        UpdateInfoTexts();
    //RefreshGUI();
    cycleComposers();

    jframe.show();
  }

    private void setDefaultInputFile()
    {
    String[] inputName = new String[2];
    inputName[0] = dataDirectory + slash + "chris_mann.wav";
    inputName[1] = "chris_mann.wav";
    segmenterPanel.SetInputFileName(inputName);
    }

  private void BuildGUI()
  {
    ////////////////////
    // meta-GUI setup
    ////////////////////

    mainGuiPanel = new JPanel();
    BoxLayout bl = new BoxLayout(mainGuiPanel, BoxLayout.Y_AXIS);
    mainGuiPanel.setLayout(bl);
    jframe.setContentPane(mainGuiPanel);

   
    Action goAction = new AbstractAction() {
      public void actionPerformed(ActionEvent e) {
        System.out.println("got a go...");
        GoButtonPressed();
      }
    };

    KeyStroke keystroke =
      KeyStroke.getKeyStroke('g');//, java.awt.event.InputEvent.CTRL_MASK);
    mainGuiPanel.getInputMap().put(keystroke, "go");
    mainGuiPanel.getActionMap().put("go", goAction);

    Color c = new Color((int)(Math.random() * 127 + 127),
          (int)(Math.random() * 127 + 127),
          (int)(Math.random() * 127 + 127));
        bgColor = c;

    JPanel stripe = new JPanel();
    stripe.setBackground(c);
   
    for (int i = 0; i < 5; i++)
    {
      JPanel p = new JPanel();
      p.add(new JLabel("      MEAP!      "));
      stripes[i] = p;
      stripe.add(p);
    }
   
    mainGuiPanel.add(stripe);
         
    tabs = new JTabbedPane();
    /*
    // Register a change listener
    tabs.addChangeListener(new ChangeListener() {
      // This method is called whenever the selected tab changes
      public void stateChanged(ChangeEvent evt) {
        JTabbedPane pane = (JTabbedPane)evt.getSource();
   
        // Get current tab
        int sel = pane.getSelectedIndex();
        //System.out.println("tab " + sel + " got clicked.");
        JPanel panel = (JPanel)pane.getComponentAt(sel);
        panel.invalidate();
        RefreshGUI();
      }
    });
    */
    tabs.setBackground(c);
    mainGuiPanel.add(tabs);   
   
        //mainGuiPanel.setPreferredSize(new Dimension(700, 600));

    ////////////////////////////
    // now do GUIs for the tabs
    ////////////////////////////
   
    segmenterPanel = new SegmenterPanel(this);
        featExtPanel = new FeatExtractorPanel(this);
    composerPanel = new ComposerPanel(this);
        synthPanel = new SynthesizerPanel(this);
        prefsPanel = new PreferencesPanel(this);

        // add tabs and stripes
        tabs.addTab("segmenter", segmenterPanel);
    tabs.setBackgroundAt(0, segmenterPanel.color);
    stripes[0].setBackground(segmenterPanel.color);

        tabs.addTab("feature extractors", featExtPanel);
    tabs.setBackgroundAt(1, featExtPanel.color);
    stripes[1].setBackground(featExtPanel.color);

        tabs.addTab("composers", composerPanel);
    tabs.setBackgroundAt(2, composerPanel.color);
    stripes[2].setBackground(composerPanel.color);

        tabs.addTab("synthesizer", synthPanel);
    tabs.setBackgroundAt(3, synthPanel.color);
    stripes[3].setBackground(synthPanel.color);

        tabs.addTab("prefs/about", prefsPanel)
    tabs.setBackgroundAt(4, prefsPanel.color);
    stripes[4].setBackground(prefsPanel.color);

        //tabs.addTab("console", consolePanel); 

    /////////////////////
    //go button!
    /////////////////////
    //this appears at the bottom of the screen, but we do it here to use
    //the same color as the rest of the main screen
    goPanel = new JPanel();
    goPanel.setBackground(c);
    startButton = new JButton("go!");
    startButton.setBackground(c);
    startButton.addActionListener(this);
    startButton.setActionCommand("go");
    goPanel.add(startButton);
   
    JButton displayVisualizerButton = new JButton("launch visualizer");
    displayVisualizerButton.addActionListener(this);
    displayVisualizerButton.setActionCommand("launchVisualizer");
    displayVisualizerButton.setBackground(c);
    goPanel.add(displayVisualizerButton);
       
    mainGuiPanel.add(goPanel)

        JPanel statusBarPanel = new JPanel(new GridLayout(1,1));
        statusBarPanel.setBackground(c.brighter());
        statusBarPanel.setBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED));
        statusBar = new JLabel("...");
        statusBar.setBackground(c.brighter());
        statusBarPanel.add(statusBar);

        mainGuiPanel.add(statusBarPanel);

    jframe.validate();
    jframe.pack();
    jframe.repaint();
        //RefreshGUI();
  }
 
  public synchronized void UpdateInfoTexts()
  { 
    //segmenter
    segmenterPanel.outputSegFileLabel.setText(" " 
            + segmenterPanel.outputSegmentsFileName + " ");
    //features
    featExtPanel.inputSegmentsFileLabel.setText(" "
            + featExtPanel.inputSegmentsFileName + " ");
    featExtPanel.outputFeaturesFileLabel.setText(" "
            + featExtPanel.outputFeaturesFileName + " ");
    //composer
    composerPanel.inputFileNameLabel.setText(" "
            + composerPanel.inputFeaturesFileName + " ");
    composerPanel.outputFileNameLabel.setText(" "
            + composerPanel.outputEDLFileName + " ");
    //synth
    synthPanel.fileNameLabel.setText(" "
            + synthPanel.inputEDLFileName + " ");
    RefreshGUI();

        segmenterPanel.initSegmentFile();
        featExtPanel.initFeatFile();
    featExtPanel.enableDisplayButton(false);
        composerPanel.initEDLFile();
    composerPanel.enableDisplayButton(false);
  }
 
  public void cycleComposers()
  {
    //select composer tab
    tabs.setSelectedIndex(2)
   
    int numComposers = composerPanel.controlsPanels.size();
   
    for (int i = 0; i < numComposers; i++)
    { 
      composerPanel.controlsPanel.removeAll();
      composerPanel.controlsPanel.add((JPanel)composerPanel.  controlsPanels.elementAt(i))
      RefreshGUI();
    }
   
    composerPanel.controlsPanel.removeAll();
    composerPanel.controlsPanel.add((JPanel)composerPanel.  controlsPanels.elementAt(0))
    RefreshGUI();

    tabs.setSelectedIndex(0);
  }
 
    public void RefreshGUI()
  {       
    mainGuiPanel.invalidate();
    tabs.invalidate();
    segmenterPanel.invalidate();
    featExtPanel.invalidate();
    composerPanel.invalidate();
    synthPanel.invalidate();
    prefsPanel.invalidate();
    goPanel.invalidate();
   
    jframe.invalidate();
   
    jframe.validate();
    jframe.pack();
    jframe.repaint();   
  }

  public void actionPerformed(ActionEvent arg0)
  {
    String command = arg0.getActionCommand();

    if (command.equals("go"))
    { 
      GoButtonPressed();
        }
        if (command.equals("launchVisualizer"))
        {
          Visualizer visualizer = new Visualizer(composerPanel.featFile,
            composerPanel.edlFile);
        }
    }
 
  public void GoButtonPressed()
  {
    runThread = new Thread(this, "MEAPsoftGUI.run");
    runThread.start();
  }
 
    public synchronized void run()
    {
        jframe.getContentPane().setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

        writeMEAPFile = prefsPanel.saveFilesPrefBox.isSelected();

        updateStatusBar("running Segmenter on "
                        + segmenterPanel.inputSoundFileNameShort + "...");
        if (segmenterPanel.run() != 0)
        {
            runCleanup("Segmenter error.");
            return;
        }

        updateStatusBar("running Feature Extractor on "
                        + featExtPanel.inputSegmentsFileName + "...");
        if (featExtPanel.run() != 0)
        {
            runCleanup("Feature Extractor error.");
            return;
        }
       
        updateStatusBar("running Composer on "
                        + composerPanel.inputFeaturesFileName + "...");
        if (composerPanel.run() != 0)
        {
            runCleanup("Composer error.");
            return;
        }

        updateStatusBar("running Synthesizer on "
                        + synthPanel.inputEDLFileName + "...");
        if (synthPanel.run() != 0)
        {
            runCleanup("Synthesizer error.");
            return;
        }

        runCleanup("Finished MEAPing.");
    }

    private void runCleanup(String message)
    {
        jframe.getContentPane().setCursor(Cursor.getDefaultCursor());
       
        if(progressPanel != null)
            goPanel.remove(progressPanel);
       
        goPanel.add(startButton);

        updateStatusBar(message);

        RefreshGUI();
    }

    private void updateStatusBar(String message)
    {
        String s = new Date()+":   "+message;
        statusBar.setText(s);
    }

    synchronized void setProgressPanel(JPanel panel)
    {
        if(progressPanel != null)
            goPanel.remove(progressPanel);

        progressPanel = panel;

        progressPanel.setBackground(bgColor);

        goPanel.remove(startButton);
        goPanel.add(progressPanel);
        RefreshGUI();
    }

  public static void main(String[] args)
  { 
    //Schedule a job for the event-dispatching thread:
    //creating and showing this application's GUI.
    javax.swing.SwingUtilities.invokeLater(new Runnable() {
      public void run()
      {
        new MEAPsoftGUI();
      }
    });
  }
}


/**
* Default MEAPsoftGUI ExceptionHandler - pops up a dialog box with a
* stack trace.
*
* @author Ron Weiss (ronw@ee.columbia.edu)
*/
class GUIExceptionHandler extends ExceptionHandler
{
    private JFrame frame;
    private String msg;

    public GUIExceptionHandler(JFrame f, String message)
    {
        frame = f;
        msg = message;
    }

   /**
    * ExceptionHandler that pops up a dialog box with a stack trace
    */
    public void handleException(Exception e)
    {
        GUIUtils.ShowDialog(e, msg, GUIUtils.MESSAGE, frame);
    }
}
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