/**
 * MatrixCell.java
 *
 * Copyright 2000 Eliad Technologies, Inc. All Rights Reserved.
 *
 * This software is the proprietary information of Eliad Technologies, Inc.
 */
package MultiDimTable;

import com.eliad.model.ExtentCell;


final public class MatrixCell implements MatrixCellModel
{
  private int anchorRow_, anchorColumn_, rowCount_, columnCount_;
  private ExtentCell cacheExtentCell_ = null;
  private Object value_;

  public MatrixCell(Object value, int anchorRow, int anchorColumn, int rowCount, int columnCount)
  {
    value_ = value;
    setSpannedArea(anchorRow, anchorColumn, rowCount, columnCount);
  }

  public boolean isSpanEmpty()
  {
    return (rowCount_ == 1 && columnCount_ == 1);
  }

  public ExtentCell getExtentCell()
  {
    if (isSpanEmpty())
      return null;

    return cacheExtentCell_;
  }

  public void setSpannedArea(int anchorRow, int anchorColumn, int rowCount, int columnCount)
  {
    anchorRow_    = anchorRow;
    anchorColumn_ = anchorColumn;
    rowCount_     = rowCount;
    columnCount_  = columnCount;
    makeExtentCell();
  }

  private void makeExtentCell()
  {
    cacheExtentCell_ = new ExtentCell()
    {
      public int    getRow()         { return anchorRow_; }
      public int    getRowCount()    { return rowCount_;  }
      public int    getColumn()      { return anchorColumn_; }
      public int    getColumnCount() { return columnCount_; }
      public Object getIdentifier()  { return null; }
    };
  }

  public Object getValue()
  {
    return value_;
  }

  public void setValue(Object obj)
  {
    value_ = obj;
  }
}