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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;
import org.openoffice.xmerge.converter.xml.sxc.SheetSettings;
/**
* Represents a BIFF Record that describes worksheet window attributes
*/
public class Window2 implements BIFFRecord {
private final static int FROZEN = 0x08;
private final static int NOSPLIT = 0x01;
private byte[] rwTop = new byte[2];
private byte colLeft;
private byte[] grbit = new byte[2];
/**
* Constructor
*/
public Window2() {
this.rwTop = EndianConverter.writeShort((short) 0);
this.colLeft = 0;
this.grbit = EndianConverter.writeShort((short) 0);
}
/**
* Constructs a Window2 Record from an <code>InputStream</code>
*
* @param is InputStream containing a Window2 Record
*/
public Window2(InputStream is) throws IOException {
read(is);
}
/**
* Get the hex code for this particular <code>BIFFRecord</code>
*
* @return the hex code for <code>Window2</code>
*/
public short getBiffType() {
return PocketExcelConstants.SHEET_WINDOW_INFO;
}
/**
* Sets the split type for this pane, the split type is the same for both
* x and y so we only test against one.
*
* @param splitType the split type based on types defined in
* <code>sheetSettings</code>
*/
public void setSplitType(Point splitType) {
if(splitType.getX()==SheetSettings.SPLIT) {
grbit[0] &= ~FROZEN;
grbit[1] &= ~NOSPLIT;
} else {
grbit[0] |= FROZEN;
grbit[1] |= NOSPLIT;
}
}
/**
* This method tests if this object describes a freeze
*
* @return true if freeze otherwise false
*/
public boolean isFrozen() {
if((grbit[0] & FROZEN) != FROZEN)
return false;
if((grbit[1] & NOSPLIT) != NOSPLIT)
return false;
return true;
}
/**
* This method tests if this object describes a split
*
* @return true if split otherwise false
*/
public boolean isSplit() {
if((grbit[0] & FROZEN) == FROZEN)
return false;
if((grbit[1] & NOSPLIT) == NOSPLIT)
return false;
return true;
}
/**
* Reads a Window2 Record from an <code>InputStream</code>
*
* @param input InputStream containing a Window2 Record
*/
public int read(InputStream input) throws IOException {
int numOfBytesRead = input.read(rwTop);
colLeft = (byte) input.read();
numOfBytesRead++;
numOfBytesRead += input.read(grbit);
Debug.log(Debug.TRACE,"\trwTop : "+ EndianConverter.readShort(rwTop) +
" colLeft : " + colLeft +
" grbit : " + EndianConverter.readShort(grbit));
return numOfBytesRead;
}
public void write(OutputStream output) throws IOException {
output.write(getBiffType());
output.write(rwTop);
output.write(colLeft);
output.write(grbit);
Debug.log(Debug.TRACE,"Writing Window2 record");
}
}
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