/******************************************************************
*
*   KEYTRANSLATOR
*   v1.0
*   Jonathan Hey
*
*   Created Dec 26th, 2007
*   Modified Dec 26th, 2007
*
*   Required by the Chord Progression Generator and Progression
*
*   Description:
*   Translates chord numbers into their real names for different keys
*   
*   Future enhancements:
*   Translate different scale types e.g.
*      major/minor/harmonic/natural
*
********************************************************************/

class KeyTranslator
{
  String translateKey = "C";
  int translatePosition = 0;
  String[] triads = new String[7];
  
  // constructors: best initialized with a key
  KeyTranslator(String k){
    translateKey = k;
  }
  
  KeyTranslator(){
  }
  
  // Set method
  void setKey(String k){
    translateKey = k;
    initializeArray(translateKey);
  }
  
  // Get the name of the corresponding chord number
  String getLetter(int p){
    return triads[p];
  }
  
  // sets up arrays with the chord names for numbers for different keys
  void initializeArray(String k){
    if (k == "A"){
      triads[0] = "A";
      triads[1] = "Bm";
      triads[2] = "C#m";
      triads[3] = "D";
      triads[4] = "E";
      triads[5] = "F#m";
      triads[6] = "G#dim";      
    }
    else if (k == "B"){
      triads[0] = "B";
      triads[1] = "C#m";
      triads[2] = "D#m";
      triads[3] = "E";
      triads[4] = "F#";
      triads[5] = "G#m";
      triads[6] = "A#dim";
    }
    else if (k == "C"){
      triads[0] = "C";
      triads[1] = "Dm";
      triads[2] = "Em";
      triads[3] = "F";
      triads[4] = "G";
      triads[5] = "Am";
      triads[6] = "Bdim";
    }
    else if (k == "D"){
      triads[0] = "D";
      triads[1] = "Em";
      triads[2] = "F#m";
      triads[3] = "G";
      triads[4] = "A";
      triads[5] = "Bm";
      triads[6] = "C#dim";      
    }
    else if (k == "E"){
      triads[0] = "E";
      triads[1] = "F#m";
      triads[2] = "G#m";
      triads[3] = "A";
      triads[4] = "B";
      triads[5] = "C#m";
      triads[6] = "D#dim";      
    }
    else if (k == "F"){
      triads[0] = "F";
      triads[1] = "Gm";
      triads[2] = "Am";
      triads[3] = "Bb";
      triads[4] = "C";
      triads[5] = "Dm";
      triads[6] = "Edim";      
    }
    else if (k == "G"){
      triads[0] = "G";
      triads[1] = "Am";
      triads[2] = "Bm";
      triads[3] = "C";
      triads[4] = "D";
      triads[5] = "Em";
      triads[6] = "F#dim";      
    }

  }

}