/*
* Copyright (c) 2006-2009 by Abacus Research AG, Switzerland.
* All rights reserved.
*
* This file is part of the Abacus Formula Compiler (AFC).
*
* For commercial licensing, please contact sales(at)formulacompiler.com.
*
* AFC is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AFC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with AFC. If not, see <http://www.gnu.org/licenses/>.
*/
package org.formulacompiler.spreadsheet.internal;
import org.formulacompiler.compiler.internal.expressions.ExpressionNode;
import org.formulacompiler.spreadsheet.SpreadsheetException;
public class CellWithSharedExpression extends CellWithExpression
{
private final CellWithExpression baseExpression;
public CellWithSharedExpression( RowImpl _row, CellWithExpression _expression )
{
super( _row );
this.baseExpression = _expression;
}
@Override
public ExpressionNode getExpression() throws SpreadsheetException
{
final ExpressionNode own = super.getExpression();
if (null != own) {
return own;
}
else {
final int colOffset = getColumnIndex() - this.baseExpression.getColumnIndex();
final int rowOffset = getRow().getRowIndex() - this.baseExpression.getRow().getRowIndex();
final ExpressionNode exp = this.baseExpression.getExpression().clone( colOffset, rowOffset );
setExpression( exp );
return exp;
}
}
}