//**************************************
// Name: Event handlig with Menu
// Description:with the help of this code JAVA menu is easy for beginers.
// By: Vikrant Kumar Upadhyay
//
// Inputs:no
//
// Returns:no
//
// Assumes:no
//
// Side Effects:no
//
//This code is copyrighted and has// limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=5433&lngWId=2//for details.//**************************************
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class event6 extends Frame implements MouseListener
{
MenuBar mb;
Menu m1,m2;
MenuItem mi1,mi2,mi3;
CheckboxMenuItem cmi1,cmi2,cmi3;
int dr;
Color c;
int x1,x2,y1,y2;
public event6()
{
super("VIKRANT MCA-5");
mb=new MenuBar();
m1=new Menu("SHAPE");
m2=new Menu("COLOR");
mi1=new MenuItem("RED");
mi2=new MenuItem("GREEN");
mi3=new MenuItem("BLUE");
cmi1=new CheckboxMenuItem("Line");
cmi2=new CheckboxMenuItem("RECT");
cmi3=new CheckboxMenuItem("Oval");
mb.add(m1);
mb.add(m2);
m1.add(cmi1);
m1.add(cmi2);
m1.add(cmi3);
m2.add(mi1);
m2.add(mi2);
m2.add(mi3);
setMenuBar(mb);
myl1 o1=new myl1();
myl2 o2=new myl2();
cmi1.addItemListener(o1);
cmi2.addItemListener(o1);
cmi3.addItemListener(o1);
mi1.addActionListener(o2);
mi2.addActionListener(o2);
mi3.addActionListener(o2);
addMouseListener(this);
setSize(400,400);
setVisible(true);
dr=0;
c=Color.GREEN;
}
public class myl1 implements ItemListener
{
public void itemStateChanged(ItemEvent e)
{
if(e.getSource()==cmi1)
dr=1;
if(e.getSource()==cmi2)
dr=2;
if(e.getSource()==cmi3)
dr=3;
}
}
class myl2 implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==mi1)
{
c=Color.RED;
}
if(e.getSource()==mi2)
c=Color.GREEN;
if(e.getSource()==mi3)
c=Color.BLUE;
}
}
public void mousePressed(MouseEvent e)
{
if(e.getButton()==1)
{
x1=e.getX();
y1=e.getY();
}
}
public void mouseReleased(MouseEvent e)
{
if(e.getButton()==1)
{
x2=e.getX();
y2=e.getY();
repaint();
}
}
public void mouseClicked(MouseEvent e)
{
}
public void mouseExited(MouseEvent e)
{
}
public void mouseEntered(MouseEvent e)
{
}
public void update(Graphics g)
{
paint(g);
}
public void paint(Graphics g)
{
g.setColor(c);
switch(dr)
{
case 1:
{
g.drawLine(x1,y1,x2,y2);
break;
}
case 2:
{
g.drawRect(Math.min(x1,x2),Math.min(y1,y2),Math.abs(x1-x2),Math.abs(y1-y2));
break;
}
case 3:
{
g.drawOval(Math.min(x1,x2),Math.min(y1,y2),Math.abs(x1-x2),Math.abs(y1-y2));
}
}
}
public static void main(String args[])
{
new event6();
}
}
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