Parcurgere in latime

import java.applet.Applet;

import java.awt.Button;

import java.awt.Color;

import java.awt.Event;

import java.awt.Font;

import java.awt.Graphics;

public class index extends Applet {

Font f = new Font("Calibri", Font.BOLD, 20);

int valoare = 0;

Button next;

@Override

public void init() {

next = new Button("Urmatoarea ramura");

add(next);

}

@Override

public boolean action(Event e, Object args) {

if (e.target == next) //target = apasa

{

valoare++;

}

addNode();

return true;

}

@Override

public void paint(Graphics g) {

setBackground(Color.gray);

}

public void addNode() {

Graphics g = this.getGraphics();

g.setFont(f);

g.drawString("Parcurgere în lăţime", 20, 20);

g.drawRoundRect(615, 40, 40, 40, 40, 40);

g.drawString("1", 631, 67);

if (valoare == 2) {

g.drawRoundRect(460, 140, 40, 40, 40, 40);

g.drawLine(616, 70, 500, 150);// ramura stinga

g.drawString("2", 475, 166);

} else if (valoare == 3) {

g.drawRoundRect(760, 140, 40, 40, 40, 40);

g.drawString("3", 775, 166);

g.drawLine(656, 70, 762, 150);//ramura dreapta

} else if (valoare == 4) {

g.drawRoundRect(338, 268, 40, 40, 40, 40);//1 inel

g.drawString("4", 353, 294);

g.drawLine(460, 165, 370, 270);//ramura stinga

} else if (valoare == 5) {

g.drawRoundRect(568, 268, 40, 40, 40, 40);//2 inel

g.drawString("5", 583, 294);

g.drawLine(500, 165, 580, 270);//ramura dreapta

} else if (valoare == 6) {

g.drawRoundRect(640, 268, 40, 40, 40, 40);//3 inel

g.drawString("6", 655, 294);

g.drawLine(760, 165, 670, 270);//ramura stinga

} else if (valoare == 7) {

g.drawRoundRect(870, 268, 40, 40, 40, 40);//4 inel

g.drawString("7", 885, 294);

g.drawLine(800, 165, 880, 270);//ramura dreapta

} else if (valoare == 8) {

g.drawRoundRect(240, 398, 40, 40, 40, 40);//1 inel

g.drawString("8", 255, 424);

g.drawLine(340, 300, 270, 400);//ramura stinga

}

else if (valoare == 9) {

g.drawLine(600, 70, 510, 130);// linia de la sageata

g.drawLine(510, 130, 510, 120);//de la sageata linia in sus

g.drawLine(510, 130, 520, 130);//de la sageata linia orizont

g.drawString("2", 520, 490);

} else if (valoare == 10) {

g.drawLine(510, 160, 740, 160);

g.drawLine(740, 160, 730, 150);

g.drawLine(740, 160, 730, 170);

g.drawString("3", 540, 490);

} else if (valoare == 11) {

g.drawString("4", 560, 490);

g.drawLine(720, 175, 390, 275);

g.drawLine(390, 275, 405, 280);

g.drawLine(390, 275, 400, 265);

} else if (valoare == 12) {

g.drawString("5", 580, 490);

g.drawLine(400, 290, 550, 290);

g.drawLine(550, 290, 540, 280);

g.drawLine(550, 290, 540, 300);

}

else if (valoare == 13) {

g.drawString("6", 600, 490);

g.drawLine(613, 290, 637, 290);

g.drawLine( 637, 290, 630, 300);

g.drawLine( 637, 290, 630, 280);

}

else if (valoare == 14) {

g.drawString("7", 620, 490);

g.drawLine(700, 290, 850, 290);

g.drawLine(850, 290, 840, 280);

g.drawLine(850, 290, 840, 300);

}

else if (valoare == 15) {

g.drawString("8", 640, 490);

g.drawLine( 285, 415, 865, 305 );

g.drawLine( 285, 415, 295, 405);

g.drawLine( 285, 415, 296, 420);

}

//Liniile

g.drawLine(500, 470, 650, 470);

g.drawLine(500, 495, 650, 495);

g.drawString("1", 500, 490);

}

}