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changed ValueReferencePtg to REferencePtg -- will do ValueReferencePtg via subclass

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352546 13f79535-47bb-0310-9956-ffa450edef68
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Andrew C. Oliver 2002-04-28 22:22:47 +00:00
parent a7ad9decb6
commit d0c85667da
1 changed files with 188 additions and 0 deletions
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src/java/org/apache/poi/hssf/record/formula/ReferencePtg.java Normal file
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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache POI" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache POI", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* ValueReferencePtg.java
*
* Created on November 21, 2001, 5:27 PM
*/
package org.apache.poi.hssf.record.formula;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.BitField;
import org.apache.poi.hssf.util.ReferenceUtil;
/**
* ValueReferencePtg - handles references (such as A1, A2, IA4) - Should also
* be made to handle relative versus absolute references but I don't know enough
* about using them in excel to know if its correct. Seems inverted to me.
* FIXME = correct abs vs relative references
* @author Andrew C. Oliver (acoliver@apache.org)
*/
public class ReferencePtg extends Ptg
{
private final static int SIZE = 5;
public final static byte sid = 0x24;
private short field_1_row;
private short field_2_col;
private BitField rowRelative = new BitField(0x8000);
private BitField colRelative = new BitField(0x4000);
/** Creates new ValueReferencePtg */
public ReferencePtg()
{
}
/**
* Takes in a String represnetation of a cell reference and fills out the
* numeric fields.
*/
public ReferencePtg(String cellref) {
int[] xy = ReferenceUtil.getXYFromReference(cellref);
setRow((short)xy[0]);
setColumn((short)xy[1]);
setColRelative(true);
setRowRelative(true);
}
/** Creates new ValueReferencePtg */
public ReferencePtg(byte[] data, int offset)
{
offset++; // adjust for ptg
field_1_row = LittleEndian.getShort(data, offset + 0);
field_2_col = LittleEndian.getShort(data, offset + 2);
}
public String toString()
{
StringBuffer buffer = new StringBuffer("[ValueReferencePtg]\n");
buffer.append("row = ").append(getRow()).append("\n");
buffer.append("col = ").append(getColumnRaw()).append("\n");
buffer.append("rowrelative = ").append(isRowRelative()).append("\n");
buffer.append("colrelative = ").append(isColRelative()).append("\n");
return buffer.toString();
}
public void writeBytes(byte [] array, int offset)
{
array[offset] = sid;
LittleEndian.putShort(array,offset+1,field_1_row);
LittleEndian.putShort(array,offset+3,field_2_col);
}
public void setRow(short row)
{
field_1_row = row;
}
public short getRow()
{
return field_1_row;
}
public boolean isRowRelative()
{
return rowRelative.isSet(field_2_col);
}
public void setRowRelative(boolean rel) {
field_2_col=rowRelative.setShortBoolean(field_2_col,rel);
}
public boolean isColRelative()
{
return colRelative.isSet(field_2_col);
}
public void setColRelative(boolean rel) {
field_2_col=colRelative.setShortBoolean(field_2_col,rel);
}
public void setColumnRaw(short col)
{
field_2_col = col;
}
public short getColumnRaw()
{
return field_2_col;
}
public void setColumn(short col)
{
field_2_col = col; // fix this
}
public short getColumn()
{
return rowRelative.setShortBoolean(colRelative.setShortBoolean(field_2_col,false),false);
}
public int getSize()
{
return SIZE;
}
public String toFormulaString()
{
return ReferenceUtil.getReferenceFromXY(getRow(),getColumn());
}
}