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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package org.openoffice.xmerge.converter.xml.sxc.pexcel.records;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.IOException;
import java.awt.Point;
import org.openoffice.xmerge.util.Debug;
import org.openoffice.xmerge.util.EndianConverter;
import org.openoffice.xmerge.converter.xml.sxc.pexcel.PocketExcelConstants;
/**
* Represents a BIFF Record that describes the selected area of a worksheet
*/
public class Selection implements BIFFRecord {
private byte[] rwTop = new byte[2];
private byte colLeft;
private byte[] rwBottom = new byte[2];
private byte colRight;
private byte[] rwActive = new byte[2];
private byte colActive;
/**
* Default Constructor
*/
public Selection() {
this.rwTop = EndianConverter.writeShort((short) 0);
this.colLeft = 0;
this.rwBottom = EndianConverter.writeShort((short) 0);
this.colRight = 0;
this.rwActive = EndianConverter.writeShort((short) 0);
this.colActive = 0;
}
/**
* Constructs a Selection Record from the <code>InputStream</code>
*
* @param is InputStream containing a Pocket Excel Data file.
*/
public Selection(InputStream is) throws IOException {
read(is);
}
/**
* Get the hex code for this particular <code>BIFFRecord</code>
*
* @return the hex code for <code>Selection</code>
*/
public short getBiffType() {
return PocketExcelConstants.CURRENT_SELECTION;
}
/**
* Get the active cell for this particular <code>BIFFRecord</code>
*
* @return the cell position
*/
public Point getActiveCell() {
Point p = new Point(colActive, EndianConverter.readShort(rwActive));
return p;
}
/**
* Set the active cell position for this particular <code>BIFFRecord</code>
*
* @param p The active cell position
*/
public void setActiveCell(Point p) {
colActive = (byte) p.getX();
rwActive = EndianConverter.writeShort((short) p.getY());
}
/**
* Reads a Selection Record from the <code>InputStream</code>
*
* @param input InputStream containing a Pocket Excel Data file.
*/
public int read(InputStream input) throws IOException {
int numOfBytesRead = input.read(rwTop);
colLeft += (byte) input.read();
numOfBytesRead += input.read(rwBottom);
colRight += (byte) input.read();
numOfBytesRead += input.read(rwActive);
colActive += (byte) input.read();
numOfBytesRead += 3;
Debug.log(Debug.TRACE,"\trwTop : "+ EndianConverter.readShort(rwTop) +
" colLeft : " + colLeft +
" rwBottom : " + EndianConverter.readShort(rwBottom) +
" colRight : "+ colRight +
" rwActive : " + EndianConverter.readShort(rwActive) +
" colActive : " + colActive);
return numOfBytesRead;
}
public void write(OutputStream output) throws IOException {
output.write(getBiffType());
output.write(rwTop);
output.write(colLeft);
output.write(rwBottom);
output.write(colRight);
output.write(rwActive);
output.write(colActive);
Debug.log(Debug.TRACE,"Writing Selection record");
}
}
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