Package org.jdesktop.swingx.rollover

Class TreeRolloverController<T extends JTree>

java.lang.Object
org.jdesktop.swingx.rollover.RolloverController<T>
org.jdesktop.swingx.rollover.TreeRolloverController<T>
All Implemented Interfaces:
PropertyChangeListener, EventListener
public class TreeRolloverController<T extends JTree> extends RolloverController<T>
listens to rollover properties. Repaints effected component regions. Updates link cursor.
Author:
Jeanette Winzenburg

  • Constructor Details

    • TreeRolloverController

      public TreeRolloverController()

  • Method Details

    • rollover

      protected void rollover(Point oldLocation, Point newLocation)
      Description copied from class: RolloverController
      called on change of client property Rollover_Key.
      Specified by:
      rollover in class RolloverController<T extends JTree>
      Parameters:
      oldLocation - the old value of the rollover location.
      newLocation - the new value of the rollover location.

    • getRolloverRenderer

      protected RolloverRenderer getRolloverRenderer(Point location, boolean prepare)
      Description copied from class: RolloverController
      Returns the rolloverRenderer at the given location.

      The result may be null if there is none or if rollover is not enabled. If the prepare flag is true, the renderer will be prepared with value and state as appropriate for the given location. Note: PRE - the location must be valid in cell coordinate space.

      Specified by:
      getRolloverRenderer in class RolloverController<T extends JTree>
      Parameters:
      location - a valid location in cell coordinates, p.x == column, p.y == row.
      Returns:
      RolloverRenderer at the given location

    • getFocusedCell

      protected Point getFocusedCell()
      Description copied from class: RolloverController
      The coordinates of the focused cell in view coordinates. This method is called if the click action is invoked by a keyStroke. The returned cell coordinates should be related to what is typically interpreted as "focused" in the context of the component. p.x == focused column, p.y == focused row. A null return value or any coordinate value of < 0 is interpreted as "outside".
      Specified by:
      getFocusedCell in class RolloverController<T extends JTree>
      Returns:
      the location of the focused cell.