Package org.eclipse.nebula.widgets.nattable.viewport.action

Class AutoScrollDragMode

java.lang.Object

org.eclipse.nebula.widgets.nattable.viewport.action.AutoScrollDragMode

All Implemented Interfaces:

IDragMode

Direct Known Subclasses:

CellSelectionDragMode, ColumnReorderDragMode, FillHandleDragMode, RowReorderDragMode

public abstract class AutoScrollDragMode
extends Object
implements IDragMode

Abstract IDragMode implementation to support auto-scrolling on dragging.

Since:

1.5

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	AutoScrollDragMode.AutoScrollRunnable	Runnable that continuously scrolls the viewport.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	horizontalBorderOffset
protected int	verticalBorderOffset

Constructor Summary

Constructors

Constructor	Description
AutoScrollDragMode(boolean horizontal, boolean vertical)

Method Summary

Modifier and Type	Method	Description
void	mouseMove(NatTable natTable, org.eclipse.swt.events.MouseEvent event)
void	mouseUp(NatTable natTable, org.eclipse.swt.events.MouseEvent event)
protected void	performDragAction(NatTable natTable, int x, int y, SelectionLayer.MoveDirectionEnum horizontal, SelectionLayer.MoveDirectionEnum vertical)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.nebula.widgets.nattable.ui.action.IDragMode

mouseDown

Field Detail

horizontalBorderOffset

protected int horizontalBorderOffset

verticalBorderOffset

protected int verticalBorderOffset

Since:

2.0

Constructor Detail

AutoScrollDragMode

public AutoScrollDragMode(boolean horizontal,
                          boolean vertical)

Parameters:

horizontal - true to support horizontal auto-scrolling.

vertical - true to support vertical auto-scrolling.

Method Detail

mouseMove

public void mouseMove(NatTable natTable,
                      org.eclipse.swt.events.MouseEvent event)

Specified by:

mouseMove in interface IDragMode

mouseUp

public void mouseUp(NatTable natTable,
                    org.eclipse.swt.events.MouseEvent event)

Specified by:

mouseUp in interface IDragMode

performDragAction

protected void performDragAction(NatTable natTable,
                                 int x,
                                 int y,
                                 SelectionLayer.MoveDirectionEnum horizontal,
                                 SelectionLayer.MoveDirectionEnum vertical)

Parameters:

natTable - The NatTable instance the drag operation is currently performed on.

x - The x coordinate of the mouse pointer on mouse move. Corrected to be inside the NatTable client area.

y - The y coordinate of the mouse pointer on mouse move. Corrected to be inside the NatTable client area.

horizontal - The horizontal direction where the auto-scroll should be performed to.

vertical - The vertical direction where the auto-scroll should be performed to.