externalsheetrecord.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:   ExternalSheetRecord.java

package jxl.write.biff;

import java.util.ArrayList;
import java.util.Iterator;
import jxl.biff.IntegerHelper;
import jxl.biff.Type;
import jxl.biff.WritableRecordData;

class ExternalSheetRecord extends WritableRecordData
{
    private static class XTI
    {

        int supbookIndex;
        int firstTab;
        int lastTab;

        void sheetInserted(int index)
        {
            if(firstTab >= index)
                firstTab++;
            if(lastTab >= index)
                lastTab++;
        }

        void sheetRemoved(int index)
        {
            if(firstTab == index)
                firstTab = 0;
            if(lastTab == index)
                lastTab = 0;
            if(firstTab > index)
                firstTab--;
            if(lastTab > index)
                lastTab--;
        }

        XTI(int s, int f, int l)
        {
            supbookIndex = s;
            firstTab = f;
            lastTab = l;
        }
    }


    private byte data[];
    private ArrayList xtis;

    public ExternalSheetRecord(jxl.read.biff.ExternalSheetRecord esf)
    {
        super(Type.EXTERNSHEET);
        xtis = new ArrayList(esf.getNumRecords());
        XTI xti = null;
        for(int i = 0; i < esf.getNumRecords(); i++)
        {
            xti = new XTI(esf.getSupbookIndex(i), esf.getFirstTabIndex(i), esf.getLastTabIndex(i));
            xtis.add(xti);
        }

    }

    public ExternalSheetRecord()
    {
        super(Type.EXTERNSHEET);
        xtis = new ArrayList();
    }

    int getIndex(int supbookind, int sheetind)
    {
        Iterator i = xtis.iterator();
        XTI xti = null;
        boolean found = false;
        int pos = 0;
        while(i.hasNext() && !found) 
        {
            xti = (XTI)i.next();
            if(xti.supbookIndex == supbookind && xti.firstTab == sheetind)
                found = true;
            else
                pos++;
        }
        if(!found)
        {
            xti = new XTI(supbookind, sheetind, sheetind);
            xtis.add(xti);
            pos = xtis.size() - 1;
        }
        return pos;
    }

    public byte[] getData()
    {
        byte data[] = new byte[2 + xtis.size() * 6];
        int pos = 0;
        IntegerHelper.getTwoBytes(xtis.size(), data, 0);
        pos += 2;
        Iterator i = xtis.iterator();
        XTI xti = null;
        while(i.hasNext()) 
        {
            xti = (XTI)i.next();
            IntegerHelper.getTwoBytes(xti.supbookIndex, data, pos);
            IntegerHelper.getTwoBytes(xti.firstTab, data, pos + 2);
            IntegerHelper.getTwoBytes(xti.lastTab, data, pos + 4);
            pos += 6;
        }
        return data;
    }

    public int getSupbookIndex(int index)
    {
        return ((XTI)xtis.get(index)).supbookIndex;
    }

    public int getFirstTabIndex(int index)
    {
        return ((XTI)xtis.get(index)).firstTab;
    }

    public int getLastTabIndex(int index)
    {
        return ((XTI)xtis.get(index)).lastTab;
    }

    void sheetInserted(int index)
    {
        XTI xti = null;
        for(Iterator i = xtis.iterator(); i.hasNext(); xti.sheetInserted(index))
            xti = (XTI)i.next();

    }

    void sheetRemoved(int index)
    {
        XTI xti = null;
        for(Iterator i = xtis.iterator(); i.hasNext(); xti.sheetRemoved(index))
            xti = (XTI)i.next();

    }
}