javax.swing.plaf.basic
public class BasicTreeUI.ComponentHandler extends ComponentAdapter implements ActionListener
Field Summary | |
---|---|
protected JScrollBar | scrollBar ScrollBar that is being adjusted |
protected Timer | timer
Timer used when inside a scrollpane and the scrollbar is adjusting |
Constructor Summary | |
---|---|
ComponentHandler()
Constructor |
Method Summary | |
---|---|
void | actionPerformed(ActionEvent ae)
Public as a result of Timer. |
void | componentMoved(ComponentEvent e)
Invoked when the component's position changes.
|
protected JScrollPane | getScrollPane()
Returns the JScrollPane housing the JTree, or null if one isn't found.
|
protected void | startTimer()
Creates, if necessary, and starts a Timer to check if needed to resize
the bounds |
Parameters: ae is the action performed
Parameters: e the event that occurs when moving the component
Returns: JScrollPane housing the JTree, or null if one isn't found.