/**************************************************************
 * You can modify the template of this file in the
 * directory ..\JCreator\Templates\Template_2\Project_Name.java
 *
 * You can also create your own project template by making a new
 * folder in the directory ..\JCreator\Template\. Use the other
 * templates as examples.
 *
 */

import java.awt.*;
import java.applet.*;
import java.awt.event.*;




public class BDD extends Applet implements MouseListener, ActionListener, MouseMotionListener
{   
	Arbore Arb = new Arbore();  
	
	int coordX; 
	
	int coordY;
	
	int transX;
	
	int transY;
	
	boolean apas,att;
	TextField nodeInput = new TextField("", 15)	;
	
	Button but1 = new Button("Calculeaza");
    Button but2 = new Button("Centreaza");
    Button but3 = new Button("Reset");
    
    Label label = new Label("Expresia Logica : ");
    ExprLogic e;
    
    Panel p = new Panel();

	public void init()
	{ Graphics g;
	   
	  addMouseMotionListener(this);
	  addMouseListener(this);
	
	  add(label);
      add(nodeInput);
      add(but1);
      add(but2);
      add(but3);
     
      //this.add(p);
     // label.show(10,10);
     // p.show(10,10);
      but1.addActionListener(this);
      but2.addActionListener(this);
      but3.addActionListener(this);
      att = false;
	  
	  
	  transX = 0;
	  transY = 0;
	  apas = false;
	
	   int nrNod[] = new int[30];
       Nod n;
      
    
    
       
	}

	public void paint(Graphics g)
	{
	  setBackground(Color.black);
	  //g.setColor(new Color(0,0,100));
      //g.fillRect(0,0,getSize().width,getSize().height); 
      
	   if (Arb.getParinte()!=null)
       Arb.DesenArbore(g,Arb,15,transX,transY);
      
      g.setColor(new Color(200,200,100));
      g.fillRect(0,0,getSize().width,50); 
	}

    public void repaint(Graphics g)
    { 
          
    }

public void mouseDragged (MouseEvent e)
{   
   int pozX,pozY;
   
   pozX = e.getX();
   pozY = e.getY();
   if (apas == false)
     { coordX  = e.getX();
       coordY  = e.getY(); 
       apas =true;
       pozX = coordX;
       pozY = coordY;
      }
   else    
   if (pozX !=coordX || pozY != coordY)
      {transX += pozX - coordX;
       transY += pozY - coordY;
       coordX = pozX;
       coordY = pozY;
       repaint();       
       }
	
	}

public void mouseClicked(MouseEvent e)
{

	
	 }

public void mouseMoved(MouseEvent e)
{}

public void mouseReleased(MouseEvent e)
{apas = false;}

public void mousePressed(MouseEvent e)
{}

public void mouseEntered(MouseEvent e)
{}

public void mouseExited(MouseEvent e)
{}

public void actionPerformed(ActionEvent ev)
{
	
	String com = ev.getActionCommand();
	
	String ex;
	

	if (com.equals("Calculeaza")) 
	   
	   { ex = nodeInput.getText();
	     if (ex != "" )
	        {
	     	 ExprLogic e = new ExprLogic(ex);
	     	 Arb = new Arbore();
         	 Arb=Arb.Creare(0,ex,1,Arb,e);
             Arb.desenBinar(Arb.getParinte(),Arb.nrNivel(Arb.getParinte()), getSize().width/2,getSize().height/4,6,12,80,1); 
		   //  att = true;		                 
             repaint();
             }
        }     
	
	if (com.equals("Centreaza")) 
	    { transX = 0;
	      transY = 0;
	      repaint();
	    }  
	
	if (com.equals("Reset"))     
	    { 
	      Arb = new Arbore();
	      nodeInput.setText(""); 
	      repaint();
	    } 
	}

}