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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 the number and position of unfrozen
* panes.
*/
public class Pane implements BIFFRecord {
private byte[] x = new byte[2];
private byte[] y = new byte[2];
private byte[] rwTop = new byte[2];
private byte[] colLeft = new byte[2];
private byte pnnAcct;
/**
* Default Constructor
*/
public Pane() {
pnnAcct = (byte) 0x02; // Default setting
}
/**
* Constructs a Pane Record from the <code>InputStream</code>
*
* @param is InputStream containing a Pane record
*/
public Pane(InputStream is) throws IOException {
read(is);
}
/**
* Get the hex code for this particular <code>BIFFRecord</code>
*
* @return the hex code for <code>Pane</code>
*/
public short getBiffType() {
return PocketExcelConstants.PANE_INFO;
}
/**
* Gets the split point for this pane, in the case of splits this will be
* in twips.
*
* @return the split point
*/
public Point getSplitPoint() {
int xTwips = EndianConverter.readShort(x)/11;
int yTwips = EndianConverter.readShort(y)/15;
return (new Point(xTwips, yTwips));
}
/**
* Gets the freeze point for this pane, in the case of freezes this will
* be a zero-based index to either the column or row.
*
* @return the freeze point
*/
public Point getFreezePoint() {
return (new Point(EndianConverter.readShort(x),
EndianConverter.readShort(y)));
}
/**
* Sets the split point for this pane, coordinates are in column row units
* if the split type is freeze or twips if split type is split.
*
* @param splitType contains the X and Y split types (freeze or split)
* @param p the split point
*/
public void setSplitPoint(Point splitType, Point p) {
if(splitType.getX()==SheetSettings.SPLIT
|| splitType.getY()==SheetSettings.SPLIT) {
int yTwips = (int) p.getY();
short yPxl = (short) (yTwips * 15);
y = EndianConverter.writeShort(yPxl);
int xTwips = (int) p.getX();
short xPxl = (short) (xTwips * 11);
x = EndianConverter.writeShort(xPxl);
} else {
y = EndianConverter.writeShort((short) p.getY());
x = EndianConverter.writeShort((short) p.getX());
}
}
/**
* Set the pane number
* 0 - bottom right, 1 - top right
* 2 - bottom left, 3 - top left
*
* @param paneNumber the pane number
*/
public void setPaneNumber(int paneNumber) {
pnnAcct = (byte) paneNumber;
}
/**
* Get the pane number of the active pane
* 0 - bottom right, 1 - top right
* 2 - bottom left, 3 - top left
*
* @return the hex code for <code>Pane</code>
*/
public int getPaneNumber() {
return pnnAcct;
}
/**
* Set the top row visible in the lower pane
*
* @param top 0-based inex of the top row
*/
public void setTop(int top) {
rwTop = EndianConverter.writeShort((short)top);
}
/**
* Set leftmost column visible in the right pane
*
* @param left 0-based index of the leftmost column
*/
public void setLeft(int left) {
colLeft = EndianConverter.writeShort((short)left);
}
/**
* Get the top row visible in the lower pane
*
* @return the hex code for <code>Pane</code>
*/
public int getTop() {
return EndianConverter.readShort(rwTop);
}
/**
* Get leftmost column visible in the right pane
*
* @return 0-based index of the column
*/
public int getLeft() {
return EndianConverter.readShort(colLeft);
}
/**
* Reads a <code>Pane</code> record from the <code>InputStream</code>
*
* @param input <code>InputStream</code> to read from
* @return the total number of bytes read
*/
public int read(InputStream input) throws IOException {
int numOfBytesRead = input.read(x);
numOfBytesRead += input.read(y);
numOfBytesRead += input.read(rwTop);
numOfBytesRead += input.read(colLeft);
pnnAcct = (byte) input.read();
numOfBytesRead++;
Debug.log(Debug.TRACE, "\tx : "+ EndianConverter.readShort(x) +
" y : " + EndianConverter.readShort(y) +
" rwTop : " + EndianConverter.readShort(rwTop) +
" colLeft : " + EndianConverter.readShort(colLeft) +
" pnnAcct : " + pnnAcct);
return numOfBytesRead;
}
public void write(OutputStream output) throws IOException {
output.write(getBiffType());
output.write(x);
output.write(y);
output.write(rwTop);
output.write(colLeft);
output.write(pnnAcct);
Debug.log(Debug.TRACE,"Writing Pane record");
}
}
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