dateformularecord.java

实现JAVA界面的代码GWT

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   DateFormulaRecord.java

package jxl.read.biff;

import java.text.NumberFormat;
import jxl.*;
import jxl.biff.*;
import jxl.biff.formula.*;

// Referenced classes of package jxl.read.biff:
//            DateRecord, NumberFormulaRecord, SheetImpl, BOFRecord, 
//            WorkbookParser

class DateFormulaRecord extends DateRecord
    implements DateCell, FormulaData, DateFormulaCell
{

    private String formulaString;
    private ExternalSheet externalSheet;
    private WorkbookMethods nameTable;
    private byte data[];

    public DateFormulaRecord(NumberFormulaRecord t, FormattingRecords fr, ExternalSheet es, WorkbookMethods nt, boolean nf, SheetImpl si)
        throws FormulaException
    {
        super(t, t.getXFIndex(), fr, nf, si);
        externalSheet = es;
        nameTable = nt;
        data = t.getFormulaData();
    }

    public CellType getType()
    {
        return CellType.DATE_FORMULA;
    }

    public byte[] getFormulaData()
        throws FormulaException
    {
        if(!getSheet().getWorkbookBof().isBiff8())
            throw new FormulaException(FormulaException.BIFF8_SUPPORTED);
        else
            return data;
    }

    public String getFormula()
        throws FormulaException
    {
        if(formulaString == null)
        {
            byte tokens[] = new byte[data.length - 16];
            System.arraycopy(data, 16, tokens, 0, tokens.length);
            FormulaParser fp = new FormulaParser(tokens, this, externalSheet, nameTable, getSheet().getWorkbook().getSettings());
            fp.parse();
            formulaString = fp.getFormula();
        }
        return formulaString;
    }

    public double getValue()
    {
        return 0.0D;
    }

    public NumberFormat getNumberFormat()
    {
        return null;
    }
}