Package org.eclipse.nebula.widgets.nattable.grid.command

Class AutoResizeColumnCommandHandler

java.lang.Object

org.eclipse.nebula.widgets.nattable.grid.command.AutoResizeColumnCommandHandler

All Implemented Interfaces:

ILayerCommandHandler<AutoResizeColumnsCommand>

public class AutoResizeColumnCommandHandler
extends Object
implements ILayerCommandHandler<AutoResizeColumnsCommand>

This command is triggered by the InitializeAutoResizeColumnsCommand. The selected columns picked from the SelectionLayer by the above command. This handler runs as a second step.

This handler assumes that the target layer is the NatTable itself on calling doCommand()

Field Summary

Fields

Modifier and Type	Field	Description
protected ILayer	commandLayer	The layer on which the command should be fired.
protected ILayer	positionLayer	The layer to use for calculation of the column positions.

Constructor Summary

Constructors

Constructor	Description
AutoResizeColumnCommandHandler(GridLayer gridLayer)
AutoResizeColumnCommandHandler(ILayer commandLayer, ILayer positionLayer)

Method Summary

Modifier and Type	Method	Description
protected int[]	convertFromPositionToCommandLayer(int[] columnPositions)	Translates the column positions the layer stack upwards as the resulting MultiColumnResizeCommand will be fired on the command layer which is on top of the position layer.
boolean	doCommand(ILayer targetLayer, AutoResizeColumnsCommand command)
Class<AutoResizeColumnsCommand>	getCommandClass()

Methods inherited from class java.lang.Object

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

Field Detail

commandLayer

protected final ILayer commandLayer

The layer on which the command should be fired. Usually this will be the GridLayer

positionLayer

protected final ILayer positionLayer

The layer to use for calculation of the column positions. Needs to be a layer at a lower position in the layer composition. Typically the body layer stack.

Constructor Detail

AutoResizeColumnCommandHandler

public AutoResizeColumnCommandHandler(ILayer commandLayer,
                                      ILayer positionLayer)

Parameters:

commandLayer - The layer on which the command should be fired. Usually this will be the GridLayer.

positionLayer - The layer to use for calculation of the column positions. Needs to be a layer at a lower position in the layer composition. Typically the body layer stack.

AutoResizeColumnCommandHandler

public AutoResizeColumnCommandHandler(GridLayer gridLayer)

Parameters:

gridLayer - The GridLayer to which this command handler should be registered

Method Detail

getCommandClass

public Class<AutoResizeColumnsCommand> getCommandClass()

Specified by:

getCommandClass in interface ILayerCommandHandler<AutoResizeColumnsCommand>

doCommand

public boolean doCommand(ILayer targetLayer,
                         AutoResizeColumnsCommand command)

Specified by:

doCommand in interface ILayerCommandHandler<AutoResizeColumnsCommand>

Parameters:

targetLayer - the target layer

command - the command

Returns:

true if the command has been handled, false otherwise

convertFromPositionToCommandLayer

protected int[] convertFromPositionToCommandLayer(int[] columnPositions)

Translates the column positions the layer stack upwards as the resulting MultiColumnResizeCommand will be fired on the command layer which is on top of the position layer.

Parameters:

columnPositions - The column positions to convert to the positions in the command layer

Returns:

The translated column positions for the local command layer.