org.eclipse.swt.dnd
Class TreeDragUnderEffect

java.lang.Object
  |
  +--org.eclipse.swt.dnd.DragUnderEffect
        |
        +--org.eclipse.swt.dnd.TreeDragUnderEffect

class TreeDragUnderEffect

extends DragUnderEffect

Field Summary

private int	currentEffect
private static int	EXPAND_HYSTERESIS
private long	expandBeginTime
private TreeItem	expandItem
private static int	SCROLL_HYSTERESIS
private static int	SCROLL_WIDTH
private long	scrollBeginTime
private TreeItem	scrollItem
private TreeItem[]	selection
private Tree	tree

Constructor Summary

(package private)

TreeDragUnderEffect(Tree tree)

Method Summary

private int	checkEffect(int effect)
private void	expand(TreeItem item, int x, int y)
private void	expandHover(int effect, TreeItem item, int x, int y)
private TreeItem	findItem(int x, int y)
private TreeItem	getNextVisibleItem(TreeItem item, boolean includeChildren)
private TreeItem	getPreviousVisibleItem(TreeItem item)
private void	scroll(TreeItem item, int x, int y)
private void	scrollHover(int effect, TreeItem item, int x, int y)
private void	setDragUnderEffect(int effect, TreeItem item)
private void	setDropSelection(TreeItem item)
(package private) void	show(int effect, int x, int y)

Methods inherited from class java.lang.Object

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

Field Detail

tree

private Tree tree

currentEffect

private int currentEffect

selection

private TreeItem[] selection

scrollItem

private TreeItem scrollItem

scrollBeginTime

private long scrollBeginTime

SCROLL_HYSTERESIS

private static final int SCROLL_HYSTERESIS

SCROLL_WIDTH

private static final int SCROLL_WIDTH

expandItem

private TreeItem expandItem

expandBeginTime

private long expandBeginTime

EXPAND_HYSTERESIS

private static final int EXPAND_HYSTERESIS

Constructor Detail

TreeDragUnderEffect

TreeDragUnderEffect(Tree tree)

Method Detail

show

void show(int effect,
          int x,
          int y)

Specified by:

show in class DragUnderEffect

checkEffect

private int checkEffect(int effect)

findItem

private TreeItem findItem(int x,
                          int y)

setDragUnderEffect

private void setDragUnderEffect(int effect,
                                TreeItem item)

setDropSelection

private void setDropSelection(TreeItem item)

scrollHover

private void scrollHover(int effect,
                         TreeItem item,
                         int x,
                         int y)

scroll

private void scroll(TreeItem item,
                    int x,
                    int y)

expandHover

private void expandHover(int effect,
                         TreeItem item,
                         int x,
                         int y)

expand

private void expand(TreeItem item,
                    int x,
                    int y)

getNextVisibleItem

private TreeItem getNextVisibleItem(TreeItem item,
                                    boolean includeChildren)

getPreviousVisibleItem

private TreeItem getPreviousVisibleItem(TreeItem item)