org.eclipse.nebula.widgets.nattable.selection

Class MoveSelectionCommandHandler<T extends MoveSelectionCommand>

java.lang.Object

org.eclipse.nebula.widgets.nattable.selection.MoveSelectionCommandHandler<T>

Type Parameters:

T - an instance of the MoveSelectionCommand

All Implemented Interfaces:

ILayerCommandHandler<T>

Direct Known Subclasses:

MoveCellSelectionCommandHandler

public abstract class MoveSelectionCommandHandler<T extends MoveSelectionCommand>
extends Object
implements ILayerCommandHandler<T>

Abstraction of the selection behavior during navigation in the grid. Implementations of this class specify what to select when the selection moves by responding to the MoveSelectionCommand.

See Also:

MoveCellSelectionCommandHandler, MoveRowSelectionCommandHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected SelectionLayer	selectionLayer

Constructor Summary

Constructors

Constructor and Description
MoveSelectionCommandHandler(SelectionLayer selectionLayer)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	doCommand(ILayer targetLayer, T command)
protected abstract void	moveLastSelectedDown(int stepSize, boolean withShiftMask, boolean withControlMask)
protected abstract void	moveLastSelectedLeft(int stepSize, boolean withShiftMask, boolean withControlMask)
protected abstract void	moveLastSelectedRight(int stepSize, boolean withShiftMask, boolean withControlMask)
protected abstract void	moveLastSelectedUp(int stepSize, boolean withShiftMask, boolean withControlMask)
protected void	moveSelection(SelectionLayer.MoveDirectionEnum moveDirection, int stepSize, boolean withShiftMask, boolean withControlMask)

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.command.ILayerCommandHandler

getCommandClass

Field Detail

selectionLayer

protected final SelectionLayer selectionLayer

Constructor Detail

MoveSelectionCommandHandler

public MoveSelectionCommandHandler(SelectionLayer selectionLayer)

Method Detail

doCommand

public boolean doCommand(ILayer targetLayer,
                T command)

Specified by:

doCommand in interface ILayerCommandHandler<T extends MoveSelectionCommand>

Parameters:

targetLayer - the target layer

command - the command

Returns:

true if the command has been handled, false otherwise

moveSelection

protected void moveSelection(SelectionLayer.MoveDirectionEnum moveDirection,
                 int stepSize,
                 boolean withShiftMask,
                 boolean withControlMask)

moveLastSelectedRight

protected abstract void moveLastSelectedRight(int stepSize,
                         boolean withShiftMask,
                         boolean withControlMask)

moveLastSelectedLeft

protected abstract void moveLastSelectedLeft(int stepSize,
                        boolean withShiftMask,
                        boolean withControlMask)

moveLastSelectedUp

protected abstract void moveLastSelectedUp(int stepSize,
                      boolean withShiftMask,
                      boolean withControlMask)

moveLastSelectedDown

protected abstract void moveLastSelectedDown(int stepSize,
                        boolean withShiftMask,
                        boolean withControlMask)