?? rectbutton.java
字號:
import java.awt.*;
import java.awt.event.*;
import java.util.*;
//swing classes
import com.sun.java.swing.text.*;
import com.sun.java.swing.*;
import com.sun.java.swing.event.*;
import com.sun.java.swing.border.*;
import com.sun.java.swing.tree.*;
public class RectButton extends JToggleButton implements Command
{
Mediator med;
public RectButton(ActionListener act, Mediator md)
{
super("R");
//setSize(new Dimension(25,25));
//setBorder(new EmptyBorder(5,5,5,5));
setToolTipText("Draw rectangle");
addActionListener(act);
med = md;
med.registerRectButton(this);
}
//-------------------------------------------
public void Execute()
{
if (isSelected())
{
med.startRectangle();
}
}
}
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