/*********************************************************************
*
* Copyright (C) 2002 Andrew Khan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
***************************************************************************/
package jxl.write.biff;
import jxl.BooleanCell;
import jxl.CellType;
import jxl.biff.Type;
import jxl.format.CellFormat;
/**
* A boolean cell's last calculated value
*/
public abstract class BooleanRecord extends CellValue
{
/**
* The boolean value of this cell. If this cell represents an error,
* this will be false
*/
private boolean value;
/**
* Constructor invoked by the user API
*
* @param c the column
* @param r the row
* @param val the value
*/
protected BooleanRecord(int c, int r, boolean val)
{
super(Type.BOOLERR, c, r);
value = val;
}
/**
* Overloaded constructor invoked from the API, which takes a cell
* format
*
* @param c the column
* @param r the row
* @param val the value
* @param st the cell format
*/
protected BooleanRecord(int c, int r, boolean val, CellFormat st)
{
super(Type.BOOLERR, c, r, st);
value = val;
}
/**
* Constructor used when copying a workbook
*
* @param nc the number to copy
*/
protected BooleanRecord(BooleanCell nc)
{
super(Type.BOOLERR, nc);
value = nc.getValue();
}
/**
* Copy constructor
*
* @param c the column
* @param r the row
* @param br the record to copy
*/
protected BooleanRecord(int c, int r, BooleanRecord br)
{
super(Type.BOOLERR, c, r, br);
value = br.value;
}
/**
* Interface method which Gets the boolean value stored in this cell. If
* this cell contains an error, then returns FALSE. Always query this cell
* type using the accessor method isError() prior to calling this method
*
* @return TRUE if this cell contains TRUE, FALSE if it contains FALSE or
* an error code
*/
public boolean getValue()
{
return value;
}
/**
* Returns the numerical value as a string
*
* @return The numerical value of the formula as a string
*/
public String getContents()
{
// return Boolean.toString(value) - only available in 1.4 or later
return (new Boolean(value)).toString();
}
/**
* Returns the cell type
*
* @return The cell type
*/
public CellType getType()
{
return CellType.BOOLEAN;
}
/**
* Sets the value
*
* @param val the boolean value
*/
protected void setValue(boolean val)
{
value = val;
}
/**
* Gets the binary data for output to file
*
* @return the binary data
*/
public byte[] getData()
{
byte[] celldata = super.getData();
byte[] data = new byte[celldata.length + 2];
System.arraycopy(celldata, 0, data, 0, celldata.length);
if (value)
{
data[celldata.length] = 1;
}
return data;
}
}
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