/*********************************************************************
*
* 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.biff;
import jxl.CellFeatures;
import jxl.CellType;
import jxl.format.Alignment;
import jxl.format.CellFormat;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.VerticalAlignment;
import jxl.write.WritableCell;
import jxl.write.WritableCellFeatures;
/**
* An empty cell. Represents an empty, as opposed to a blank cell
* in the workbook
*/
public class EmptyCell implements WritableCell
{
/**
* The row of this empty cell
*/
private int row;
/**
* The column number of this empty cell
*/
private int col;
/**
* Constructs an empty cell at the specified position
*
* @param c the zero based column
* @param r the zero based row
*/
public EmptyCell(int c, int r)
{
row = r;
col = c;
}
/**
* Returns the row number of this cell
*
* @return the row number of this cell
*/
public int getRow()
{
return row;
}
/**
* Returns the column number of this cell
*
* @return the column number of this cell
*/
public int getColumn()
{
return col;
}
/**
* Returns the content type of this cell
*
* @return the content type for this cell
*/
public CellType getType()
{
return CellType.EMPTY;
}
/**
* Quick and dirty function to return the contents of this cell as a string.
*
* @return an empty string
*/
public String getContents()
{
return "";
}
/**
* Accessor for the format which is applied to this cell
*
* @return the format applied to this cell
*/
public CellFormat getCellFormat()
{
return null;
}
/**
* Dummy override
* @param flag the hidden flag
*/
public void setHidden(boolean flag)
{
}
/**
* Dummy override
* @param flag dummy
*/
public void setLocked(boolean flag)
{
}
/**
* Dummy override
* @param align dummy
*/
public void setAlignment(Alignment align)
{
}
/**
* Dummy override
* @param valign dummy
*/
public void setVerticalAlignment(VerticalAlignment valign)
{
}
/**
* Dummy override
* @param line dummy
* @param border dummy
*/
public void setBorder(Border border, BorderLineStyle line)
{
}
/**
* Dummy override
* @param cf dummy
*/
public void setCellFormat(CellFormat cf)
{
}
/**
* Dummy override
* @param cf dummy
* @deprecated
*/
public void setCellFormat(jxl.CellFormat cf)
{
}
/**
* Indicates whether or not this cell is hidden, by virtue of either
* the entire row or column being collapsed
*
* @return TRUE if this cell is hidden, FALSE otherwise
*/
public boolean isHidden()
{
return false;
}
/**
* Implementation of the deep copy function
*
* @param c the column which the new cell will occupy
* @param r the row which the new cell will occupy
* @return a copy of this cell, which can then be added to the sheet
*/
public WritableCell copyTo(int c, int r)
{
return new EmptyCell(c, r);
}
/**
* Accessor for the cell features
*
* @return the cell features or NULL if this cell doesn't have any
*/
public CellFeatures getCellFeatures()
{
return null;
}
/**
* Accessor for the cell features
*
* @return the cell features or NULL if this cell doesn't have any
*/
public WritableCellFeatures getWritableCellFeatures()
{
return null;
}
/**
* Accessor for the cell features
*/
public void setCellFeatures(WritableCellFeatures wcf)
{
}
}
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