AudioPlayerPanel.java

package tk.amberide.ide.gui.misc;

import tk.amberide.ide.swing.UIUtil;
import java.io.File;
import java.io.IOException;
import tk.amberide.engine.al.Audio;
import tk.amberide.engine.al.Audio.State;
import tk.amberide.engine.al.AudioIO;
import tk.amberide.ide.data.res.Resource;
import tk.amberide.ide.os.OS;
import tk.amberide.ide.swing.Dialogs;
import java.awt.Desktop;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

/**
 *
 * @author Tudor
 */
public class AudioPlayerPanel extends javax.swing.JPanel {

    private File file;
    private Audio sound;
    private javax.swing.Timer timer;
    private final ImageIcon PLAY_ICON = new ImageIcon(ClassLoader.getSystemResource("icon/Player.Play.png"));
    private final ImageIcon PAUSE_ICON = new ImageIcon(ClassLoader.getSystemResource("icon/Player.Pause.png"));

    public AudioPlayerPanel(final Resource<Audio> resource) {
        initComponents();
        sound = resource.get();
        file = resource.getSource();
        openNativeButton.setIcon(UIUtil.getFileSystemIcon("mid"));

        timer = new javax.swing.Timer(100, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (sound.getState() == State.STOPPED) {
                    playButton.setIcon(PLAY_ICON);
                }
                positionSlider.setValue(getPercentProgress());
            }
        });

        positionSlider.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                int value = positionSlider.getValue();
                if (value != getPercentProgress()) {
                    sound.setMillisecondPosition((int) (sound.getMillisecondLength() * ((double) value / (double) 100)));
                }
            }
        });
    }

    /**
     * Creates new form AudioPlayerPanel
     */
    public AudioPlayerPanel(File file) throws Exception {
        this(new Resource<Audio>(AudioIO.read(file), null, file, Resource.AUDIO));
    }

    @Override
    public void removeNotify() {
        super.removeNotify();
        timer.stop();
        sound.stop();
    }

    private int getPercentProgress() {
        return (int) ((((double) sound.getMillisecondPosition()) / ((double) sound.getMillisecondLength())) * 100);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        playButton = new javax.swing.JButton();
        stopButton = new javax.swing.JButton();
        openNativeButton = new javax.swing.JButton();
        positionSlider = new javax.swing.JSlider();
        soundSlider = new javax.swing.JSlider();

        setMaximumSize(new java.awt.Dimension(144, 79));
        setMinimumSize(new java.awt.Dimension(144, 79));

        playButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icon/Player.Play.png"))); // NOI18N
        playButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                playButtonActionPerformed(evt);
            }
        });

        stopButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icon/Player.Stop.png"))); // NOI18N
        stopButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                stopButtonActionPerformed(evt);
            }
        });

        openNativeButton.setMaximumSize(new java.awt.Dimension(24, 24));
        openNativeButton.setMinimumSize(new java.awt.Dimension(24, 24));
        openNativeButton.setPreferredSize(new java.awt.Dimension(24, 24));
        openNativeButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                openNativeButtonActionPerformed(evt);
            }
        });

        positionSlider.setValue(0);
        positionSlider.setAutoscrolls(true);

        soundSlider.setOrientation(javax.swing.JSlider.VERTICAL);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(positionSlider, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, 144, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addComponent(stopButton, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(playButton, javax.swing.GroupLayout.PREFERRED_SIZE, 51, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(openNativeButton, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(soundSlider, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addGap(0, 0, 0))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(0, 0, 0)
                .addComponent(positionSlider, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(playButton, javax.swing.GroupLayout.PREFERRED_SIZE, 51, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(stopButton, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(openNativeButton, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(soundSlider, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(0, 0, 0))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void openNativeButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openNativeButtonActionPerformed
        try {
            if (Desktop.isDesktopSupported()) {
                try {
                    Desktop.getDesktop().open(file);
                    return;
                } catch (Exception ignored) {
                }
            }
            switch (OS.getPlatform()) {
                case WINDOWS:
                    Runtime.getRuntime().exec("rundll32 SHELL32.DLL,ShellExec_RunDLL " + file.getAbsolutePath());
                    return;
            }
        } catch (IOException ex) {
        }
        Dialogs.errorDialog().setMessage("An error occured. File cannot be opened.").setTitle("Sorry I failed.").show();
    }//GEN-LAST:event_openNativeButtonActionPerformed

    private void playButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_playButtonActionPerformed
        switch (sound.getState()) {
            case PLAYING:
                timer.stop();
                sound.pause();
                playButton.setIcon(PLAY_ICON);
                break;
            case STOPPED:
                positionSlider.setValue(0);
                sound.start();
                timer.start();
                playButton.setIcon(PAUSE_ICON);
                break;
            case PAUSED:
                sound.start();
                timer.start();
                playButton.setIcon(PAUSE_ICON);
                break;
        }

    }//GEN-LAST:event_playButtonActionPerformed

    private void stopButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_stopButtonActionPerformed
        timer.stop();
        sound.stop();
    }//GEN-LAST:event_stopButtonActionPerformed
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton openNativeButton;
    private javax.swing.JButton playButton;
    private javax.swing.JSlider positionSlider;
    private javax.swing.JSlider soundSlider;
    private javax.swing.JButton stopButton;
    // End of variables declaration//GEN-END:variables
}