Chromesthesia.java
1    
2    package chromesthesia2;
3    
4    import java.util.Scanner;
5    import javax.swing.JOptionPane;
6    import javax.swing.SwingUtilities;
7    import painter.SPainter;
8    
9    public class Chromesthesia {
10   
11       // INFRASTRUCTURE FOR THE PROGRAM -- LAUNCHING A "GRAPHICS" THREAD
12       public static void main(String[] args) {
13           SwingUtilities.invokeLater(new ThreadForGUI());
14       }
15   
16       private static class ThreadForGUI implements Runnable {
17           @Override
18           public void run() {
19               new Chromesthesia();
20           }
21       }
22   
23       public Chromesthesia() {
24           interpreter();
25       }
26       // FEATURED VARIABLES
27   
28       private static SPainter miro;
29       private static Pitch[] pitches;
30   
31       // THE INTERPRETER
32   
33       public static void interpreter() {
34           initialization(); // miro and pitches
35           String previousMelody = " ";
36           while (true) {
37               String input = getInput();
38               if (input.equalsIgnoreCase("EXIT")) {
39                   break;
40               } else if (input.equalsIgnoreCase("AGAIN")) {
41                   if (previousMelody != " ") {
42                       try {
43                           playMelody(previousMelody, pitches);
44                       } catch (Exception ex) {
45                           showErrorMessage(ex.toString());
46                       }
47                   } else {
48                       showErrorMessage("There was no previous melody");
49                   }
50               } else previousMelody = input;
51               try {
52                   playMelody(input, pitches);
53               } catch (Exception ex) {
54                   showErrorMessage(ex.toString());
55               }
56           }
57   
58   
59           cleanup(); // miro has to go
60       }
61   
62   
63   
64   
65       // METHODS PERTAINING TO THE CHROMESTHETIC PITCHES
66       private static Pitch[] establishPitches(SPainter painter) {
67           Pitch[] pitches = new Pitch[21];
68           Pitch pitchMiddleC = new Pitch("C",painter);
69           pitches[0] = pitchMiddleC;
70           Pitch pitchLowC = new Pitch("C,",painter);
71           pitches[1] = pitchLowC;
72           Pitch pitchHighC = new Pitch("c",painter);
73           pitches[2] = pitchHighC;
74           Pitch pitchMiddleD = new Pitch("D",painter);
75           pitches[3] = pitchMiddleD;
76           Pitch pitchLowD = new Pitch("D,",painter);
77           pitches[4] = pitchLowD;
78           Pitch pitchHighD = new Pitch("d",painter);
79           pitches[5] = pitchHighD;
80           Pitch pitchMiddleE = new Pitch("E",painter);
81           pitches[6] = pitchMiddleE;
82           Pitch pitchLowE = new Pitch("E,",painter);
83           pitches[7] = pitchLowE;
84           Pitch pitchHighE = new Pitch("e",painter);
85           pitches[8] = pitchHighE;
86           Pitch pitchMiddleF = new Pitch("F",painter);
87           pitches[9] = pitchMiddleF;
88           Pitch pitchLowF = new Pitch("F,",painter);
89           pitches[10] = pitchLowF;
90           Pitch pitchHighF = new Pitch("f",painter);
91           pitches[11] = pitchHighF;
92           Pitch pitchMiddleG = new Pitch("G",painter);
93           pitches[12] = pitchMiddleG;
94           Pitch pitchLowG = new Pitch("G,",painter);
95           pitches[13] = pitchLowG;
96           Pitch pitchHighG = new Pitch("g",painter);
97           pitches[14] = pitchHighG;
98           Pitch pitchMiddleA = new Pitch("A",painter);
99           pitches[15] = pitchMiddleA;
100          Pitch pitchLowA = new Pitch("A,",painter);
101          pitches[16] = pitchLowA;
102          Pitch pitchHighA = new Pitch("a",painter);
103          pitches[17] = pitchHighA;
104          Pitch pitchMiddleB = new Pitch("B",painter);
105          pitches[18] = pitchMiddleB;
106          Pitch pitchLowB = new Pitch("B,",painter);
107          pitches[19] = pitchLowB;
108          Pitch pitchHighB = new Pitch("b",painter);
109          pitches[20] = pitchHighB;
110          return pitches;
111      }
112  
113      private static Pitch find(String token, Pitch[] pitches) throws Exception {
114          for ( int i = 0; i < pitches.length; i = i + 1 ) {
115              Pitch pitch = pitches[i];
116              if ( pitch.abcName().equals(token) ) {
117                  return pitch;
118              }
119          }
120          throw new Exception("### PITCH " + token + " NOT FOUND");
121      }
122  
123      private static void display(Pitch[] pitches) {
124          for ( int i = 0; i < pitches.length; i = i + 1 ) {
125              System.out.println(pitches[i].toString());
126          }
127      }
128  
129      private static void playMelody(String input, Pitch[] pitches) throws Exception {
130          Scanner scanner = new Scanner(input);
131          while (scanner.hasNext()) {
132              String token = scanner.next();
133              String pitchName;
134              String duration = " ";
135              if (token.indexOf(",") < 0) {
136                  pitchName = token.substring(0, 1);
137                  duration = token.substring(1);
138              } else {
139                  pitchName = token.substring(0, 2);
140                  duration = token.substring(2);
141              }
142              if (duration.length() == 0) { duration = "1"; }
143              Pitch pitch = find(pitchName, pitches);
144              pitch.play(duration);
145          }
146      }
147  
148  // INITIALIZATION, CLEANUP, GETTING INPUT, ERROR MESSAGING
149  
150      static private void showErrorMessage(String message) {
151          miro.setVisible(false);
152          JOptionPane.showMessageDialog(null, message);
153      }
154  
155      private static void initialization()
156      {
157          // ESTABLISH THE PAINTER AND GIVE IT A SUBSTANTIAL BRUSH WIDTH
158          miro = new SPainter("Chromesthesia",500,500);
159          miro.setVisible(false);
160          miro.setBrushWidth(7);
161  // ESTABLISH THE CHROMESTITIC PITCH CLASS OBJECT
162          pitches = establishPitches(miro);
163          display(pitches);
164  
165      }
166  
167      private static String getInput()
168      {
169          miro.setVisible(false);
170          String label = "Please enter a melody in ABC notation, AGAIN, or EXIT ...     ";
171          String input = JOptionPane.showInputDialog(null,label);
172          miro.setVisible(true);
173          if ( input == null ) { input = ""; }
174          return input;
175  
176      }
177      private static void cleanup()
178      {
179  
180          System.exit(0);
181      }
182  
183  }
184