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package javax.swing.plaf.basic;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.plaf.*;
import javax.swing.border.*;
BasicRadioButtonMenuItem implementation
Author: Georges Saab, David Karlton
/**
* BasicRadioButtonMenuItem implementation
*
* @author Georges Saab
* @author David Karlton
*/
public class BasicRadioButtonMenuItemUI extends BasicMenuItemUI
{
Returns a new instance of BasicRadioButtonMenuItemUI
. Params: - b – a component
Returns: a new instance of BasicRadioButtonMenuItemUI
/**
* Returns a new instance of {@code BasicRadioButtonMenuItemUI}.
*
* @param b a component
* @return a new instance of {@code BasicRadioButtonMenuItemUI}
*/
public static ComponentUI createUI(JComponent b) {
return new BasicRadioButtonMenuItemUI();
}
protected String getPropertyPrefix() {
return "RadioButtonMenuItem";
}
Invoked when mouse event occurs.
Params: - item – a menu item
- e – a mouse event
- path – an array of
MenuElement
- manager – an instance of
MenuSelectionManager
/**
* Invoked when mouse event occurs.
*
* @param item a menu item
* @param e a mouse event
* @param path an array of {@code MenuElement}
* @param manager an instance of {@code MenuSelectionManager}
*/
public void processMouseEvent(JMenuItem item,MouseEvent e,MenuElement[] path,MenuSelectionManager manager) {
Point p = e.getPoint();
if(p.x >= 0 && p.x < item.getWidth() &&
p.y >= 0 && p.y < item.getHeight()) {
if(e.getID() == MouseEvent.MOUSE_RELEASED) {
manager.clearSelectedPath();
item.doClick(0);
item.setArmed(false);
} else
manager.setSelectedPath(path);
} else if(item.getModel().isArmed()) {
MenuElement[] newPath = new MenuElement[path.length-1];
int i,c;
for(i=0,c=path.length-1;i<c;i++)
newPath[i] = path[i];
manager.setSelectedPath(newPath);
}
}
}