Chromesthesia.java
1    package chromesthesia2;
2    
3    import java.util.Scanner;
4    import javax.swing.JOptionPane;
5    import javax.swing.SwingUtilities;
6    import painter.SPainter;
7    
8    public class Chromesthesia {
9        // INFRASTRUCTURE FOR THE PROGRAM -- LAUNCHING A "GRAPHICS" THREAD
10   
11       public static void main(String[] args) {
12           SwingUtilities.invokeLater(new ThreadForGUI());
13       }
14   
15       private static class ThreadForGUI implements Runnable {
16           @Override
17           public void run() {
18               new Chromesthesia();
19           }
20       }
21   
22       public Chromesthesia() {
23           interpreter();
24       }
25   
26       // FEATURED VARIABLES
27   
28       private static SPainter miro;
29       private static Pitch[] pitches;
30       private static String data;
31   
32       // THE INTERPRETER
33   
34       public static void interpreter() {
35           initialization(); // miro and pitches
36           while (true) {
37               String input = getInput();
38               if (input.equalsIgnoreCase("EXIT")) {
39                   break;
40               } else if(input.equalsIgnoreCase("AGAIN")){
41                   try {
42                       playMelody(data, pitches);
43                   } catch (Exception ex) {
44                       showErrorMessage(ex.toString());
45                   }
46               }
47               else {
48                   try {
49                       data = input;
50                       playMelody(input, pitches);
51                   } catch (Exception ex) {
52                       showErrorMessage(ex.toString());
53                   }
54               }
55           }
56           cleanup(); // miro has to go
57       }
58   
59       // METHODS PERTAINING TO THE CHROMESTHETIC PITCHES
60       private static Pitch[] establishPitches(SPainter painter) {
61           Pitch[] pitches = new Pitch[21];
62   
63           Pitch pitchMiddleC = new Pitch("C", painter);
64           Pitch pitchLowC = new Pitch("C,", painter);
65           Pitch pitchHighC = new Pitch("c", painter);
66           Pitch pitchMiddleD = new Pitch("D", painter);
67           Pitch pitchLowD = new Pitch("D,", painter);
68           Pitch pitchHighD = new Pitch("d", painter);
69           Pitch pitchMiddleE = new Pitch("E", painter);
70           Pitch pitchLowE = new Pitch("E,", painter);
71           Pitch pitchHighE = new Pitch("e", painter);
72           Pitch pitchMiddleF = new Pitch("F", painter);
73           Pitch pitchLowF = new Pitch("F,", painter);
74           Pitch pitchHighF = new Pitch("f", painter);
75           Pitch pitchMiddleG = new Pitch("G", painter);
76           Pitch pitchLowG = new Pitch("G,", painter);
77           Pitch pitchHighG = new Pitch("g", painter);
78           Pitch pitchMiddleA = new Pitch("A", painter);
79           Pitch pitchLowA = new Pitch("A,", painter);
80           Pitch pitchHighA = new Pitch("a", painter);
81           Pitch pitchMiddleB = new Pitch("B", painter);
82           Pitch pitchLowB = new Pitch("B,", painter);
83           Pitch pitchHighB = new Pitch("b", painter);
84   
85   
86           pitches[0] = pitchMiddleC;
87           pitches[1] = pitchLowC;
88           pitches[2] = pitchHighC;
89           pitches[3] = pitchMiddleD;
90           pitches[4] = pitchLowD;
91           pitches[5] = pitchHighD;
92           pitches[6] = pitchMiddleE;
93           pitches[7] = pitchLowE;
94           pitches[8] = pitchHighE;
95   
96           pitches[9] = pitchMiddleF;
97           pitches[10] = pitchLowF;
98           pitches[11] = pitchHighF;
99           pitches[12] = pitchMiddleG;
100          pitches[13] = pitchLowG;
101          pitches[14] = pitchHighG;
102          pitches[15] = pitchMiddleA;
103          pitches[16] = pitchLowA;
104          pitches[17] = pitchHighA;
105  
106          pitches[18] = pitchMiddleB;
107          pitches[19] = pitchLowB;
108          pitches[20] = pitchHighB;
109          return pitches;
110      }
111  
112      private static Pitch find(String token, Pitch[] pitches) throws Exception {
113          for (int i = 0; i < pitches.length; i = i + 1) {
114              Pitch pitch = pitches[i];
115              if (pitch.abcName().equals(token)) {
116                  return pitch;
117              }
118          }
119          throw new Exception("### PITCH " + token + " NOT FOUND");
120      }
121  
122      private static void display(Pitch[] pitches) {
123          for (int i = 0; i < pitches.length; i = i + 1) {
124              System.out.println(pitches[i].toString());
125          }
126      }
127  
128      private static void playMelody(String input, Pitch[] pitches) throws Exception {
129          Scanner scanner = new Scanner(input);
130          while (scanner.hasNext()) {
131              String token = scanner.next();
132              String pitchName;
133              String duration = "";
134              if (token.indexOf(",") < 0){
135                  pitchName = token.substring(0,1);
136                  duration = token.substring(1);
137              } else {
138                  pitchName = token.substring(0,2);
139                  duration = token.substring(2);
140              }
141              if (duration.length() == 0){ duration = "1";}
142              Pitch pitch = find(pitchName,pitches);
143              pitch.play(duration);
144          }
145      }
146  
147      private static void playMelodyAgain(String input, Pitch[] pitches) throws Exception {
148          Scanner scanner = new Scanner(input);
149          while (scanner.hasNext()) {
150              String token = scanner.next();
151              String pitchName;
152              String duration = "";
153              if (token.indexOf(",") < 0){
154                  pitchName = token.substring(0,1);
155                  duration = token.substring(1);
156              } else {
157                  pitchName = token.substring(0,2);
158                  duration = token.substring(2);
159              }
160              if (duration.length() == 0){ duration = "1";}
161              Pitch pitch = find(pitchName,pitches);
162              pitch.play(duration);
163          }
164      }
165  
166      // INITIALIZATION, CLEANUP, GETTING INPUT, ERROR MESSAGING
167  
168      static private void showErrorMessage(String message) {
169          miro.setVisible(false);
170          JOptionPane.showMessageDialog(null, message);
171      }
172  
173      private static void initialization() {
174          // ESTABLISH THE PAINTER AND GIVE IT A SUBSTANTIAL BRUSH WIDTH
175          miro = new SPainter("Chromesthesia", 500, 500);
176          miro.setVisible(false);
177          miro.setBrushWidth(7);
178  
179          // ESTABLISH THE CHROMESTITIC PITCH CLASS OBJECTS
180          pitches = establishPitches(miro);
181          display(pitches);
182      }
183  
184      private static String getInput() {
185          miro.setVisible(false);
186          String label = "Please enter a melody in ABC notation, or EXIT ...     ";
187          String input = JOptionPane.showInputDialog(null, label);
188          miro.setVisible(true);
189          if (input == null) {
190              input = "";
191          }
192          return input;
193      }
194  
195      static private void cleanup() {
196          System.exit(0);
197      }
198  }
199