src/camidion/chordhelper/MidiChordHelper.java

   1 package camidion.chordhelper;
   2
   3 import java.applet.Applet;
   4 import java.applet.AppletContext;
   5 import java.applet.AppletStub;
   6 import java.applet.AudioClip;
   7 import java.awt.BorderLayout;
   8 import java.awt.Font;
   9 import java.awt.Frame;
  10 import java.awt.Image;
  11 import java.awt.Toolkit;
  12 import java.awt.event.WindowAdapter;
  13 import java.awt.event.WindowEvent;
  14 import java.io.File;
  15 import java.io.IOException;
  16 import java.io.InputStream;
  17 import java.net.URL;
  18 import java.util.Enumeration;
  19 import java.util.Iterator;
  20 import java.util.List;
  21 import java.util.Vector;
  22
  23 import javax.swing.JFrame;
  24 import javax.swing.JLabel;
  25 import javax.swing.SwingUtilities;
  26 import javax.swing.WindowConstants;
  27 import javax.swing.event.ChangeEvent;
  28 import javax.swing.event.ChangeListener;
  29 import javax.swing.event.TableModelEvent;
  30 import javax.swing.event.TableModelListener;
  31
  32 import camidion.chordhelper.mididevice.MidiSequencerModel;
  33 import camidion.chordhelper.midieditor.PlaylistTableModel;
  34 import camidion.chordhelper.midieditor.SequenceTrackListTableModel;
  35
  36 /**
  37  * MIDI Chord Helper を Java アプリとして起動します。
  38  */
  39 public class MidiChordHelper {
  40         private static int count = 0;
  41         private static AppletFrame frame = null;
  42         private static List<File> fileList = new Vector<File>();
  43         /**
  44          * MIDI Chord Helper を Java アプリとして起動します。
  45          * @param args コマンドライン引数
  46          * @throws Exception 何らかの異常が発生した場合にスローされる
  47          */
  48         public static void main(String[] args) throws Exception {
  49                 if( args.length > 0 ) {
  50                         for( String arg : args ) fileList.add(new File(arg));
  51                 }
  52                 SwingUtilities.invokeLater(new Runnable(){
  53                         @Override
  54                         public void run() {
  55                                 ChordHelperApplet applet;
  56                                 if( count++ > 0 && frame != null) {
  57                                         applet = frame.applet;
  58                                         int windowState = frame.getExtendedState();
  59                                         if( ( windowState & Frame.ICONIFIED ) == 0 ) {
  60                                                 frame.toFront();
  61                                         } else {
  62                                                 frame.setExtendedState(windowState &= ~(Frame.ICONIFIED));
  63                                         }
  64                                 } else {
  65                                         frame = new AppletFrame(applet = new ChordHelperApplet());
  66                                 }
  67                                 applet.deviceModelList.getEditorDialog().loadAndPlay(fileList);
  68                         }
  69                 });
  70         }
  71         private static class AppletFrame extends JFrame
  72                 implements AppletStub, AppletContext
  73         {
  74                 JLabel status_;
  75                 ChordHelperApplet applet;
  76                 public AppletFrame(ChordHelperApplet applet) {
  77                         setTitle(ChordHelperApplet.VersionInfo.NAME);
  78                         (status_ = new JLabel()).setFont(
  79                                 status_.getFont().deriveFont(Font.PLAIN)
  80                         );
  81                         add( this.applet = applet, BorderLayout.CENTER );
  82                         add( status_, BorderLayout.SOUTH );
  83                         applet.setStub(this);
  84                         applet.init();
  85                         Image iconImage = applet.imageIcon == null ? null : applet.imageIcon.getImage();
  86                         setIconImage(iconImage);
  87                         setDefaultCloseOperation( WindowConstants.DO_NOTHING_ON_CLOSE );
  88                         addWindowListener(new WindowAdapter() {
  89                                 @Override
  90                                 public void windowClosing(WindowEvent evt) {
  91                                         if( AppletFrame.this.applet.isConfirmedToExit() )
  92                                                 System.exit(0);
  93                                 }
  94                         });
  95                         new TitleUpdater(applet);
  96                         pack();
  97                         setLocationRelativeTo(null);
  98                         setVisible(true);
  99                         applet.start();
 100                 }
 101                 /**
 102                  * タイトルバー更新器
 103                  */
 104                 private class TitleUpdater implements ChangeListener, TableModelListener {
 105                         MidiSequencerModel sequencerModel;
 106                         /**
 107                          * タイトルバー更新器の構築
 108                          * @param applet 対象アプレット
 109                          */
 110                         public TitleUpdater(ChordHelperApplet applet) {
 111                                 applet.deviceModelList.getEditorDialog().sequenceListTable.getModel().addTableModelListener(this);
 112                                 sequencerModel = applet.deviceModelList.getSequencerModel();
 113                                 sequencerModel.addChangeListener(this);
 114                         }
 115                         /**
 116                          * プレイリスト上で変更されたファイル名をタイトルバーに反映します。
 117                          */
 118                         @Override
 119                         public void tableChanged(TableModelEvent e) {
 120                                 int col = e.getColumn();
 121                                 if( col == PlaylistTableModel.Column.FILENAME.ordinal() ) {
 122                                         setFilenameToTitle();
 123                                 }
 124                                 if( col == TableModelEvent.ALL_COLUMNS ) {
 125                                         setFilenameToTitle();
 126                                 }
 127                         }
 128                         /**
 129                          * 再生中にファイルが切り替わったら、そのファイル名をタイトルバーに反映します。
 130                          */
 131                         @Override
 132                         public void stateChanged(ChangeEvent e) { setFilenameToTitle(); }
 133                         /**
 134                          * シーケンサーにロードされている曲のファイル名をタイトルバーに反映します。
 135                          */
 136                         private void setFilenameToTitle() {
 137                                 SequenceTrackListTableModel seq = sequencerModel.getSequenceTrackListTableModel();
 138                                 String filename = ( seq == null ? null : seq.getFilename() );
 139                                 String title = ChordHelperApplet.VersionInfo.NAME;
 140                                 if( filename != null && ! filename.isEmpty() ) {
 141                                         title = filename + " - " + title;
 142                                 }
 143                                 setTitle(title);
 144                         }
 145                 }
 146                 @Override
 147                 public boolean isActive() { return true; }
 148                 @Override
 149                 public URL getDocumentBase() { return null; }
 150                 @Override
 151                 public URL getCodeBase() { return null; }
 152                 @Override
 153                 public String getParameter(String name) { return null; }
 154                 @Override
 155                 public AppletContext getAppletContext() { return this; }
 156                 @Override
 157                 public void appletResize(int width, int height) {}
 158                 @Override
 159                 public AudioClip getAudioClip(URL url) { return null; }
 160                 @Override
 161                 public Image getImage(URL url) {
 162                         return Toolkit.getDefaultToolkit().getImage(url);
 163                 }
 164                 @Override
 165                 public Applet getApplet(String name) { return null; }
 166                 @Override
 167                 public Enumeration<Applet> getApplets() { return (null); }
 168                 @Override
 169                 public void showDocument(URL url) {}
 170                 @Override
 171                 public void showDocument(URL url, String target) {}
 172                 @Override
 173                 public void showStatus(String status) { status_.setText(status); }
 174                 @Override
 175                 public InputStream getStream(String key) { return null; }
 176                 @Override
 177                 public Iterator<String> getStreamKeys() { return null; }
 178                 @Override
 179                 public void setStream(String key, InputStream stream) throws IOException {}
 180         }
 181 }