/*****************************************************************************
* Copyright (c) 2015 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Dirk Fauth <dirk.fauth@googlemail.com> - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.nebula.widgets.nattable.copy.command;
import org.eclipse.nebula.widgets.nattable.copy.InternalCellClipboard;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.nebula.widgets.nattable.selection.SelectionUtils;
/**
* Specialized {@link CopyDataCommandHandler} that stores the copied cells in
* the {@link InternalCellClipboard} so it can be pasted within NatTable.
*
* @since 1.4
*/
public class InternalCopyDataCommandHandler extends CopyDataCommandHandler {
protected InternalCellClipboard clipboard;
/**
* Creates an instance that only checks the {@link SelectionLayer} for the
* data to add to the system clipboard and the given
* {@link InternalCellClipboard}.
*
* @param selectionLayer
* The {@link SelectionLayer} within the NatTable. Can not be
* <code>null</code>.
* @param clipboard
* The {@link InternalCellClipboard} that should be used for
* copy/paste operations within a NatTable instance.
*/
public InternalCopyDataCommandHandler(SelectionLayer selectionLayer, InternalCellClipboard clipboard) {
super(selectionLayer);
this.clipboard = clipboard;
}
@Override
public boolean doCommand(CopyDataToClipboardCommand command) {
// copy to clipboard
super.doCommand(command);
// only copy if contiguous cells
if (SelectionUtils.hasConsecutiveSelection(this.selectionLayer)) {
preInternalCopy();
// remember cells to copy to support paste
this.clipboard.setCopiedCells(assembleCopiedDataStructure());
postInternalCopy();
}
return true;
}
/**
* Perform actions prior copying values to the internal clipboard. E.g.
* disabling formula evaluation.
*/
protected void preInternalCopy() {}
/**
* Perform actions after copying values to the internal clipboard. E.g.
* enabling formula evaluation.
*/
protected void postInternalCopy() {}
}