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    
10       //INFRASTRUCTURE FOR THE PROGRAM -- LAUNCHING A "GRAPHICS" THREAD
11   
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   
27       //FEATURED VARIABLS
28   
29       private static SPainter miro;
30       private static Pitch[] pitches;
31   
32       //THE INTERPRETER
33   
34       public static void interpreter() {
35   
36           initialization(); //MIRO AND PITCHES
37   
38           String oldMelody = "";
39   
40           while (true) {
41               String input = getInput();
42               try {
43                   playMelody(input, pitches);
44                   //if (input.equalsIgnoreCase("AGAIN")){
45                   //   playMelody(again, pitches);
46                   //}
47               } catch (Exception ex) {
48                   showErrorMessage(ex.toString());
49               }
50               if (input.equalsIgnoreCase("EXIT")) {
51                   break;
52               }
53               if (input.equalsIgnoreCase("AGAIN")) try {
54                   playMelody(oldMelody, pitches);
55   
56               } catch (Exception ex) {
57                   showErrorMessage(ex.toString());
58               }
59   
60               oldMelody = input;
61   
62   
63           }
64   
65           cleanup(); //MIRO HAS TO GO
66       }
67   
68       //METHODS PERTAINING TO THE CHOMESTHETIC PITCHES
69       private static Pitch[] establishPitches(SPainter painter) {
70           Pitch[] pitches = new Pitch[21];
71   
72           Pitch pitchMiddleC = new Pitch("C", painter);
73           pitches[0] = pitchMiddleC;
74   
75           Pitch pitchLowC = new Pitch("C,", painter);
76           pitches[1] = pitchLowC;
77   
78           Pitch pitchHighC = new Pitch("c", painter);
79           pitches[2] = pitchHighC;
80   
81           Pitch pitchMiddleD = new Pitch("D", painter);
82           pitches[3] = pitchMiddleD;
83   
84           Pitch pitchLowD = new Pitch("D,", painter);
85           pitches[4] = pitchLowD;
86   
87           Pitch pitchHighD = new Pitch("d", painter);
88           pitches[5] = pitchHighD;
89   
90           Pitch pitchMiddleE = new Pitch("E", painter);
91           pitches[6] = pitchMiddleE;
92   
93           Pitch pitchLowE = new Pitch("E,", painter);
94           pitches[7] = pitchLowE;
95   
96           Pitch pitchHighE = new Pitch("e", painter);
97           pitches[8] = pitchHighE;
98   
99           Pitch pitchMiddleF = new Pitch("F", painter);
100          pitches[9] = pitchMiddleF;
101  
102          Pitch pitchLowF = new Pitch("F,", painter);
103          pitches[10] = pitchLowF;
104  
105          Pitch pitchHighF = new Pitch("f", painter);
106          pitches[11] = pitchHighF;
107  
108          Pitch pitchMiddleG = new Pitch("G", painter);
109          pitches[12] = pitchMiddleG;
110  
111          Pitch pitchLowG = new Pitch("G,", painter);
112          pitches[13] = pitchLowG;
113  
114          Pitch pitchHighG = new Pitch("g", painter);
115          pitches[14] = pitchHighG;
116  
117          Pitch pitchMiddleA = new Pitch("A", painter);
118          pitches[15] = pitchMiddleA;
119  
120          Pitch pitchLowA = new Pitch("A,", painter);
121          pitches[16] = pitchLowA;
122  
123          Pitch pitchHighA = new Pitch("a", painter);
124          pitches[17] = pitchHighA;
125  
126          Pitch pitchMiddleB = new Pitch("B", painter);
127          pitches[18] = pitchMiddleB;
128  
129          Pitch pitchLowB = new Pitch("B,", painter);
130          pitches[19] = pitchLowB;
131  
132          Pitch pitchHighB = new Pitch("b", painter);
133          pitches[20] = pitchHighB;
134  
135          return pitches;
136      }
137  
138      private static Pitch find (String token, Pitch[] pitches) throws Exception {
139          for (int i = 0; i < pitches.length; i = i + 1) {
140              Pitch pitch = pitches[i];
141              if (pitch.abcName().equals(token)) {
142                  return pitch;
143              }
144          }
145          throw new Exception("### PITCH " + token + "NOT FOUND");
146      }
147  
148      private static void display(Pitch[] pitches) {
149          for (int i = 0; i < pitches.length; i = i + 1) {
150              System.out.println(pitches[i].toString());
151          }
152      }
153  
154      private static void playMelody(String input, Pitch[] pitches) throws Exception {
155          Scanner scanner = new Scanner (input);
156          while (scanner.hasNext()) {
157              String token = scanner.next();
158              String pitchName;
159              String duration = "";
160              if (token.indexOf(",") < 0) {
161                  pitchName = token.substring(0, 1);
162                  duration = token.substring(1);
163              } else {
164                  pitchName = token.substring(0, 2);
165                  duration = token.substring(2);
166              }
167              if (duration.length() == 0) {duration = "1";}
168              Pitch pitch = find(pitchName, pitches);
169              pitch.play(duration);
170          }
171      }
172  
173      //INITIALIZATION, CLEANUP, GETTING INPUT, ERROR MESSAGING
174      static private void showErrorMessage(String message) {
175          miro.setVisible(false);
176          JOptionPane.showMessageDialog(null, message);
177      }
178  
179      private static void initialization() {
180          //ESTABLISH THE PAINTER AND GIVE IT A SUBSTANTIAL BRUSH WIDTH
181          miro = new SPainter ("Chromesthesia", 500, 500);
182          miro.setVisible(false);
183          miro.setBrushWidth(7);
184          //ESTABLISH THE CHROMESTITIC PITCH CLASS OBJECTS
185          pitches = establishPitches(miro);
186          display(pitches);
187      }
188  
189      private static String getInput() {
190          miro.setVisible(false);
191          String label = "Please enter a melody in ABC notation, or EXIT ... ";
192          String input = JOptionPane.showInputDialog(null, label);
193          miro.setVisible(true);
194          if (input == null) {input = "";}
195          return input;
196      }
197  
198      static private void cleanup() {
199          System.exit(0);
200      }
201  
202  }
203