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

Class InternalPasteDataCommandHandler

java.lang.Object

org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler<PasteDataCommand>

org.eclipse.nebula.widgets.nattable.copy.command.InternalPasteDataCommandHandler

All Implemented Interfaces:

ILayerCommandHandler<PasteDataCommand>

Direct Known Subclasses:

FormulaPasteDataCommandHandler, RowSpanningPasteDataCommandHandler

public class InternalPasteDataCommandHandler
extends AbstractLayerCommandHandler<PasteDataCommand>

ILayerCommandHandler for handling PasteDataCommands using the InternalCellClipboard.

Since:

1.4

Field Summary

Fields

Modifier and Type	Field	Description
protected InternalCellClipboard	clipboard
protected SelectionLayer	selectionLayer

Constructor Summary

Constructors

Constructor	Description
InternalPasteDataCommandHandler(SelectionLayer selectionLayer, InternalCellClipboard clipboard)

Method Summary

Modifier and Type	Method	Description
protected boolean	doCommand(PasteDataCommand command)
Class<PasteDataCommand>	getCommandClass()
IUniqueIndexLayer	getPasteLayer(ILayerCell[][] copiedCells)	Identifies the IUniqueIndexLayer from which the cells are copied.
protected Object	getPasteValue(ILayerCell cell, int pasteColumn, int pasteRow)	Returns the value that should be pasted.
protected boolean	isPasteAllowed(ILayerCell sourceCell, ILayerCell targetCell, IConfigRegistry configRegistry)	Checks if the cell at the target coordinates supports the paste operation or not.
protected void	postInternalPaste()	Perform actions after pasting values from the internal clipboard.
protected void	preInternalPaste()	Perform actions prior pasting values from the internal clipboard.

Methods inherited from class org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler

doCommand

Methods inherited from class java.lang.Object

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

Field Detail

selectionLayer

protected SelectionLayer selectionLayer

clipboard

protected InternalCellClipboard clipboard

Constructor Detail

InternalPasteDataCommandHandler

public InternalPasteDataCommandHandler(SelectionLayer selectionLayer,
                                       InternalCellClipboard clipboard)

Parameters:

selectionLayer - SelectionLayer that is needed to determine the position to paste the values to.

clipboard - The InternalCellClipboard that contains the values that should be pasted.

Method Detail

doCommand

protected boolean doCommand(PasteDataCommand command)

Specified by:

doCommand in class AbstractLayerCommandHandler<PasteDataCommand>

isPasteAllowed

protected boolean isPasteAllowed(ILayerCell sourceCell,
                                 ILayerCell targetCell,
                                 IConfigRegistry configRegistry)

Checks if the cell at the target coordinates supports the paste operation or not.

Note: The coordinates need to be related to the SelectionLayer, otherwise the wrong cell will be used for the check.

Parameters:

sourceCell - The ILayerCell that is copied and should be pasted to the target cell.

targetCell - The ILayerCell to which the content of the source cell should be pasted to.

configRegistry - The IConfigRegistry needed to access the configuration values.

Returns:

true if the cell supports the paste operation, false if not

Since:

1.6

getPasteValue

protected Object getPasteValue(ILayerCell cell,
                               int pasteColumn,
                               int pasteRow)

Returns the value that should be pasted.

Parameters:

cell - The ILayerCell from which to retrieve the value to paste from.

pasteColumn - The column position of the cell to paste to.

pasteRow - The row position of the cell to paste to.

Returns:

The value that should be pasted.

getPasteLayer

public IUniqueIndexLayer getPasteLayer(ILayerCell[][] copiedCells)

Identifies the IUniqueIndexLayer from which the cells are copied.

Parameters:

copiedCells - The copied cells from the internal clipboard.

Returns:

The IUniqueIndexLayer if the copied cells are collected from a different layer, or the locally configured SelectionLayer in case there are no copied cells in the internal cell clipboard.

Since:

1.6

preInternalPaste

protected void preInternalPaste()

Perform actions prior pasting values from the internal clipboard. E.g. disabling formula evaluation.

postInternalPaste

protected void postInternalPaste()

Perform actions after pasting values from the internal clipboard. E.g. enabling formula evaluation.

getCommandClass

public Class<PasteDataCommand> getCommandClass()