bitfield.java

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//Bit Field
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class BitField extends JTextField{
  private static final int howManyFieldsAre=18;
  private static  int fieldWidth=12; //Width of the field image
  private static  int fieldHeight=15; //Height of the field image
  public static boolean fieldsOnPortViewerArrayValue[] = new boolean[howManyFieldsAre];
  public static boolean fieldsOnPortViewerArrayIsActive[] = new boolean[howManyFieldsAre];
  private int thisFieldNumber;
  private UpdateField updateField = new UpdateField();
  private static final int fieldUpdateDelay = 100;
  
  public BitField(int coordinateXOnParent, int coordinateYOnParent, int thisFieldNumber, String toolTip){
    InitField();  
    setThisFieldNumber(thisFieldNumber);
    setFieldLocation(coordinateXOnParent,coordinateYOnParent);
    setToolTipText(toolTip);
  }
  private void InitField(){
    setPreferredSize(new Dimension(fieldWidth,fieldHeight));    
    setOpaque(false);
    addMouseListener(new MouseFunctions());
    setDisabledTextColor(Color.BLACK);
    setFont(new Font("Arial",Font.BOLD,12));
    setEditable(false);
    setFieldValue();    
    updateField.start();
  }

  private class MouseFunctions extends MouseAdapter{
    public void mousePressed(MouseEvent e){
      if (e.getButton()==MouseEvent.BUTTON1){
        if (fieldsOnPortViewerArrayIsActive[thisFieldNumber]==true) fieldsOnPortViewerArrayValue[thisFieldNumber]=(!fieldsOnPortViewerArrayValue[thisFieldNumber]);
      }
    }
  }
  
  public void setThisFieldNumber(int thisFieldNumber){
    this.thisFieldNumber=thisFieldNumber;
  }
  public void setFieldLocation(int coordinateXOnParent,int coordinateYOnParent){  
    setBounds(coordinateXOnParent,coordinateYOnParent,fieldWidth,fieldHeight);
  }
  public void setFieldValue(){
    switch(thisFieldNumber){
      case 1:case 11:case 14:case 17: setText(""+((fieldsOnPortViewerArrayValue[thisFieldNumber]==false)?1:0)); break; 
      default: setText(""+((fieldsOnPortViewerArrayValue[thisFieldNumber]==false)?0:1)); break;
    }
  }
  
  private class UpdateField extends Thread{
    boolean fieldTemp;
    public void run(){
      fieldTemp = fieldsOnPortViewerArrayValue[thisFieldNumber];  
      while(true){
        if (fieldTemp != fieldsOnPortViewerArrayValue[thisFieldNumber]){
          setFieldValue();
          fieldTemp = fieldsOnPortViewerArrayValue[thisFieldNumber];
        }
        if (thisFieldNumber==0){
          if (fieldsOnPortViewerArrayValue[0]==false) dataOutActives();   
          if (fieldsOnPortViewerArrayValue[0]==true) dataInActives();   
        }
        try{Thread.sleep(fieldUpdateDelay);}catch(InterruptedException e){}  
      }
    }
  }
  
  private void dataInActives(){
    fieldsOnPortViewerArrayIsActive[0] = true;
    fieldsOnPortViewerArrayIsActive[1] = true;
    fieldsOnPortViewerArrayIsActive[2] = false;
    fieldsOnPortViewerArrayIsActive[3] = false;
    fieldsOnPortViewerArrayIsActive[4] = false;
    fieldsOnPortViewerArrayIsActive[5] = false;
    fieldsOnPortViewerArrayIsActive[6] = false;
    fieldsOnPortViewerArrayIsActive[7] = false;
    fieldsOnPortViewerArrayIsActive[8] = false;
    fieldsOnPortViewerArrayIsActive[9] = false;
    fieldsOnPortViewerArrayIsActive[10] = false;
    fieldsOnPortViewerArrayIsActive[11] = false;
    fieldsOnPortViewerArrayIsActive[12] = false;
    fieldsOnPortViewerArrayIsActive[13] = false;
    fieldsOnPortViewerArrayIsActive[14] = true;
    fieldsOnPortViewerArrayIsActive[15] = false;
    fieldsOnPortViewerArrayIsActive[16] = true;
    fieldsOnPortViewerArrayIsActive[17] = true;
  }
  private void dataOutActives(){
    fieldsOnPortViewerArrayIsActive[0] = true;
    fieldsOnPortViewerArrayIsActive[1] = true;
    fieldsOnPortViewerArrayIsActive[2] = true;
    fieldsOnPortViewerArrayIsActive[3] = true;
    fieldsOnPortViewerArrayIsActive[4] = true;
    fieldsOnPortViewerArrayIsActive[5] = true;
    fieldsOnPortViewerArrayIsActive[6] = true;
    fieldsOnPortViewerArrayIsActive[7] = true;
    fieldsOnPortViewerArrayIsActive[8] = true;
    fieldsOnPortViewerArrayIsActive[9] = true;
    fieldsOnPortViewerArrayIsActive[10] = false;
    fieldsOnPortViewerArrayIsActive[11] = false;
    fieldsOnPortViewerArrayIsActive[12] = false;
    fieldsOnPortViewerArrayIsActive[13] = false;
    fieldsOnPortViewerArrayIsActive[14] = true;
    fieldsOnPortViewerArrayIsActive[15] = false;
    fieldsOnPortViewerArrayIsActive[16] = true;
    fieldsOnPortViewerArrayIsActive[17] = true;
  }
  
}