package jxl.write.biff;

import java.text.DecimalFormat;
import java.text.NumberFormat;
import jxl.Cell;
import jxl.CellType;
import jxl.NumberCell;
import jxl.biff.DoubleHelper;
import jxl.biff.Type;
import jxl.biff.XFRecord;
import jxl.format.CellFormat;

public abstract class NumberRecord extends CellValue {
  private double value;
  
  private NumberFormat format;
  
  private static DecimalFormat defaultFormat = new DecimalFormat("#.###");
  
  protected NumberRecord(int c, int r, double val) {
    super(Type.NUMBER, c, r);
    this.value = val;
  }
  
  protected NumberRecord(int c, int r, double val, CellFormat st) {
    super(Type.NUMBER, c, r, st);
    this.value = val;
  }
  
  protected NumberRecord(NumberCell nc) {
    super(Type.NUMBER, (Cell)nc);
    this.value = nc.getValue();
  }
  
  protected NumberRecord(int c, int r, NumberRecord nr) {
    super(Type.NUMBER, c, r, nr);
    this.value = nr.value;
  }
  
  public CellType getType() {
    return CellType.NUMBER;
  }
  
  public byte[] getData() {
    byte[] celldata = super.getData();
    byte[] data = new byte[celldata.length + 8];
    System.arraycopy(celldata, 0, data, 0, celldata.length);
    DoubleHelper.getIEEEBytes(this.value, data, celldata.length);
    return data;
  }
  
  public String getContents() {
    if (this.format == null) {
      this.format = ((XFRecord)getCellFormat()).getNumberFormat();
      if (this.format == null)
        this.format = defaultFormat; 
    } 
    return this.format.format(this.value);
  }
  
  public double getValue() {
    return this.value;
  }
  
  public void setValue(double val) {
    this.value = val;
  }
  
  public NumberFormat getNumberFormat() {
    return null;
  }
}