bibliothek.extension.gui.dock.util
Class MouseOverListener

java.lang.Object
  java.awt.event.MouseAdapter
      bibliothek.extension.gui.dock.util.MouseOverListener

All Implemented Interfaces:

ContainerListener, MouseListener, MouseMotionListener, MouseWheelListener, EventListener

public abstract class MouseOverListener
extends MouseAdapter
implements ContainerListener

A class that can observe a Component and the children of the same component to find out whether the mouse is over the base component. This also works if the children of the base component do not let MouseEvents through.

Author:

Benjamin Sigg

Constructor Summary

MouseOverListener(Component parent)
Creates a new listener

Method Summary

protected void	added(Component component) Adds listeners to component and its children.
protected abstract void	changed() Called whenever the mouse-over state changed.
void	componentAdded(ContainerEvent e)
void	componentRemoved(ContainerEvent e)
boolean	isMouseOver() Tells whether the mouse is currently over the base component.
void	mouseEntered(MouseEvent e)
void	mouseExited(MouseEvent e)
protected void	removed(Component component) Removes listeners from component and its children.

Methods inherited from class java.awt.event.MouseAdapter

mouseClicked, mouseDragged, mouseMoved, mousePressed, mouseReleased, mouseWheelMoved

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MouseOverListener

public MouseOverListener(Component parent)

Creates a new listener

Parameters:

parent - the component to observe

Method Detail

mouseEntered

public void mouseEntered(MouseEvent e)

Specified by:

mouseEntered in interface MouseListener

Overrides:

mouseEntered in class MouseAdapter

mouseExited

public void mouseExited(MouseEvent e)

Specified by:

mouseExited in interface MouseListener

Overrides:

mouseExited in class MouseAdapter

changed

protected abstract void changed()

Called whenever the mouse-over state changed.

isMouseOver

public boolean isMouseOver()

Tells whether the mouse is currently over the base component.

Returns:

true if the mouse is within the borders of the base component

componentAdded

public void componentAdded(ContainerEvent e)

Specified by:

componentAdded in interface ContainerListener

added

protected void added(Component component)

Adds listeners to component and its children.

Parameters:

component - the new component to observe

componentRemoved

public void componentRemoved(ContainerEvent e)

Specified by:

componentRemoved in interface ContainerListener

removed

protected void removed(Component component)

Removes listeners from component and its children.

Parameters:

component - the component which should no longer be observed