src/camidion/chordhelper/midieditor/MidiProgramSelecter.java

   1 package camidion.chordhelper.midieditor;
   2
   3 import javax.swing.JComboBox;
   4
   5 import camidion.chordhelper.music.MIDISpec;
   6
   7 /**
   8  * MIDI Instrument (Program) - 音色選択
   9  */
  10 public class MidiProgramSelecter extends JComboBox<String> {
  11         private int family;
  12         private MidiProgramFamilySelecter familySelecter = null;
  13         public MidiProgramSelecter() {
  14                 setFamily(-1);
  15         }
  16         public void setFamilySelecter( MidiProgramFamilySelecter mpfs ) {
  17                 familySelecter = mpfs;
  18         }
  19         public void setFamily( int family ) {
  20                 int program_no = getProgram();
  21                 this.family = family;
  22                 removeAllItems();
  23                 if( family < 0 ) {
  24                         setMaximumRowCount(16);
  25                         for( int i=0; i < MIDISpec.instrumentNames.length; i++ ) {
  26                                 addItem(i+": " + MIDISpec.instrumentNames[i]);
  27                         }
  28                         setSelectedIndex(program_no);
  29                 }
  30                 else {
  31                         setMaximumRowCount(8);
  32                         for( int i=0; i < 8; i++ ) {
  33                                 program_no = i + family * 8;
  34                                 addItem( program_no + ": " + MIDISpec.instrumentNames[program_no] );
  35                         }
  36                         setSelectedIndex(0);
  37                 }
  38         }
  39         public int getProgram() {
  40                 int program_no = getSelectedIndex();
  41                 if( family > 0 && program_no >= 0 ) program_no += family * 8;
  42                 return program_no;
  43         }
  44         public String getProgramName() { return (String)( getSelectedItem() ); }
  45         public void setProgram( int program_no ) {
  46                 if( getItemCount() == 0 ) return; // To ignore event triggered by removeAllItems()
  47                 if( family >= 0 && program_no >= 0 && family == program_no / 8 ) {
  48                         setSelectedIndex(program_no % 8);
  49                 }
  50                 else {
  51                         if( family >= 0 ) setFamily(-1);
  52                         if( familySelecter != null ) familySelecter.setSelectedIndex(0);
  53                         if( program_no < getItemCount() ) setSelectedIndex(program_no);
  54                 }
  55         }
  56 }