public class TextBlock {

  // currently working only with squares

  // raw working text variables
  String textBlock = ""; // the original text block
  String wrappedTextBlock = "";
  float textBlockWidth = 0;
  float textBlockHeight = 0;
  float maxActualTextWidth = 0;

  // font info
  float fontLeading = 10.; // in pixels
  float fontSize = 25.;  // in pixels
  PFont font = null;  // the font in use
  
  /** 
  * constructor
  *
  **/

  public TextBlock(String _input, PFont _font, float _fontSize, float _fontLeading, float _textBlockWidth) {
    textBlock = _input;
    font = _font;
    textFont(font);
    fontSize = _fontSize;
    textSize(fontSize);
    fontLeading = _fontLeading;
    textLeading(fontLeading);
    textBlockWidth = _textBlockWidth;
    
    softWrapTextBlock(); 
  } 
  
 
  void softWrapTextBlock() {
    float currentLinePosition = 0;
    int currentLineNumber = 0;

    String[] tokens = textBlock.split(" ");

    for (int i = 0; i < tokens.length; i++) {
      
      currentLinePosition = currentLinePosition + textWidth(tokens[i] + " ");

      if(currentLinePosition > textBlockWidth) {
        
        wrappedTextBlock+="\n" + tokens[i] + " ";   // insert a newline and add the word
        currentLineNumber++; // increment the line number
        currentLinePosition = textWidth(tokens[i] + " ");
      
      } 
      
      else {
        maxActualTextWidth = max(currentLinePosition,maxActualTextWidth);
        wrappedTextBlock += tokens[i] + " "; // add the word
      }

    }
    
    textBlockHeight = fontLeading * (currentLineNumber + 1); 

  }

  /**
   * Getters and Setters 
   *
   **/

  public void setFont(PFont _font) {
    font =  _font;
    softWrapTextBlock(); // rewrap;   
  }

  public PFont getFont() {
    return font; 
  }

  public String getTextBlock() {
   return textBlock;
  }
  
  public String getWrappedTextBlock() {
   return wrappedTextBlock;
  }

  // width
  public float getTextBlockHeight() {
    return textBlockHeight;
  }  
  
  // height
  public float getTextBlockWidth() {
   return textBlockWidth; 
  }

  public float getMaxActualTextWidth() {
   return maxActualTextWidth; 
  }



}