package jxl.read.biff;

import jxl.Range;
import jxl.Sheet;
import jxl.biff.IntegerHelper;
import jxl.biff.RecordData;
import jxl.biff.SheetRangeImpl;

public class MergedCellsRecord extends RecordData {
  private Range[] ranges;
  
  MergedCellsRecord(Record t, Sheet s) {
    super(t);
    byte[] data = getRecord().getData();
    int numRanges = IntegerHelper.getInt(data[0], data[1]);
    this.ranges = new Range[numRanges];
    int pos = 2;
    int firstRow = 0;
    int lastRow = 0;
    int firstCol = 0;
    int lastCol = 0;
    for (int i = 0; i < numRanges; i++) {
      firstRow = IntegerHelper.getInt(data[pos], data[pos + 1]);
      lastRow = IntegerHelper.getInt(data[pos + 2], data[pos + 3]);
      firstCol = IntegerHelper.getInt(data[pos + 4], data[pos + 5]);
      lastCol = IntegerHelper.getInt(data[pos + 6], data[pos + 7]);
      this.ranges[i] = (Range)new SheetRangeImpl(s, firstCol, firstRow, lastCol, lastRow);
      pos += 8;
    } 
  }
  
  public Range[] getRanges() {
    return this.ranges;
  }
}