package prefuse.controls;
import java.awt.event.MouseEvent;
import prefuse.visual.VisualItem;
/**
* Control that executes an action when the mouse passes over an item.
*
* @author <a href="http://jheer.org">jeffrey heer</a>
*/
public class HoverActionControl extends ControlAdapter {
private String m_action;
/**
* Create a new HoverActionControl.
* @param action the action to run upon mouse-over. The action is run
* both upon entering and upon exiting the item.
*/
public HoverActionControl(String action) {
m_action = action;
}
/**
* @see prefuse.controls.Control#itemEntered(prefuse.visual.VisualItem, java.awt.event.MouseEvent)
*/
public void itemEntered(VisualItem item, MouseEvent e) {
item.getVisualization().run(m_action);
}
/**
* @see prefuse.controls.Control#itemExited(prefuse.visual.VisualItem, java.awt.event.MouseEvent)
*/
public void itemExited(VisualItem item, MouseEvent e) {
item.getVisualization().run(m_action);
}
} // end of class HoverActionControl