Android Open Source - FindYourWords Capture Word

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License

The source code is released under:

Apache License

Java Source Code

/**
 * CaptureWord is a class that search if the fingher touch have found a word
 * /*from  w w  w.  ja v  a 2 s . c  o  m*/
 * Commands explain which direction the finger have take.
 * 
 * Commands:
 * 0: vertical up
 * 1: diagonal up rigth
 * 2: horizontal rigth
 * 3: diagonal down rigth
 * 4: vertical down
 * 5: diagonal down left 
 * 6: horizontal left
 * 7: diagonal up left
 * 
 * @author Sara Craba
 * @version 1.0
 */

package grid;

import word.OneWord;
import mainClasses.MainActivity;
import android.util.Log;

public class CaptureWord 
{  
  /**
   * The controlCaptureWord method make all control to search if a fingher touch have found a word.
   * @param inTouch_coord    first cell touched 
   * @param outTouch_coord  last cell touched
   * @param mCells      grid of the game
   * @return          a word string if have found a word, null otherwise 
   */
  protected static String controlCaptureWord(Cell inTouch_coord, Cell outTouch_coord)
  {
    //control if with the coordinates is possible to find a word
    if(Cell.possibleWord(inTouch_coord, outTouch_coord))
    {
          Log.i("CaptureWord", " not possible coordinate to find word");
      return null;
    }
    
    //check what direction have take a fingher
    int command = Cell.fingherDirection(inTouch_coord, outTouch_coord);
    
    //calculate distance from the two cells
    int wordLength= Cell.distanceFromTwoPoints(inTouch_coord, outTouch_coord, command);
    
    //note: the word can be read in two possible verse
    StringBuilder possibleWord = new StringBuilder();
    
    //built a word from first cell touched  to last cell touched 
    int varA, varB;
    for (int index=0; index< wordLength; index++)
    {
      //initialization of varA and varB
      varA = inTouch_coord.getCoordX() + (((command==0)||(command==4))?0:((command>4)?-index:index));
      varB = inTouch_coord.getCoordY() + (((command==2)||(command==6))?0:
                                ((command>2)&&(command<6)?index:-index));
      
      possibleWord.append(GridManager.mCells[varB][varA].getLetter());
    }
    
    String possibleStringWord= possibleWord.toString();
    possibleStringWord= possibleStringWord.toLowerCase();
    
    //control if the word is in the list
    if(GridManager.wordsMap.containsKey(possibleStringWord))
    {
      strikeWord(possibleStringWord);
      return possibleStringWord;
    }
    else
    {
      //reverse the string to read it in the other verse
      possibleWord.reverse();
      possibleStringWord= possibleWord.toString();
      possibleStringWord= possibleStringWord.toLowerCase();
      
      if(GridManager.wordsMap.containsKey(possibleStringWord))
      {
        strikeWord(possibleStringWord);
        return possibleStringWord;
      }
      
      Log.i("CaptureWord", "not a correct word");
      
      return null;
    }
  }
  
  /**
   * The strikeWord method strike the word into the list of words to search 
   * @param wordToStrike    word to strike
   */
  protected static void strikeWord(String wordToStrike)
  {
    OneWord oneWordSupport=  GridManager.wordsMap.get(wordToStrike);
    oneWordSupport.strikeWordFunction();
    
    MainActivity.wordList.invalidate();
  }
}

Java Source Code List

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