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Don't swap AreaPtg references from relative to absolute, by correctly processing the fields. Patch from bug #44293

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@615255 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2008-01-25 16:15:49 +00:00
parent 159a3b3bcb
commit f57fda3af5
4 changed files with 123 additions and 7 deletions
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1
src/documentation/content/xdocs/changes.xml
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@ -36,6 +36,7 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.0.2-FINAL" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="fix">44293 - Avoid swapping AreaPtgs from relative to absolute</action>
<action dev="POI-DEVELOPERS" type="fix">44292 - Correctly process the last paragraph in a word file</action>
<action dev="POI-DEVELOPERS" type="fix">44254 - Avoid some unread byte warnings, and properly understand DVALRecord</action>
<action dev="POI-DEVELOPERS" type="add">Add another formula evaluation method, evaluateFormulaCell(cell), which will re-calculate the value for a formula, without affecting the formula itself.</action>

1
src/documentation/content/xdocs/status.xml
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@ -33,6 +33,7 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.0.2-FINAL" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="fix">44293 - Avoid swapping AreaPtgs from relative to absolute</action>
<action dev="POI-DEVELOPERS" type="fix">44292 - Correctly process the last paragraph in a word file</action>
<action dev="POI-DEVELOPERS" type="fix">44254 - Avoid some unread byte warnings, and properly understand DVALRecord</action>
<action dev="POI-DEVELOPERS" type="add">Add another formula evaluation method, evaluateFormulaCell(cell), which will re-calculate the value for a formula, without affecting the formula itself.</action>

14
src/java/org/apache/poi/hssf/record/formula/AreaPtg.java
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@ -43,9 +43,9 @@ public class AreaPtg
private short field_3_first_column;
private short field_4_last_column;
private BitField rowRelative = BitFieldFactory.getInstance(0x8000);
private BitField colRelative = BitFieldFactory.getInstance(0x4000);
private BitField column = BitFieldFactory.getInstance(0x3FFF);
private final static BitField rowRelative = BitFieldFactory.getInstance(0x8000);
private final static BitField colRelative = BitFieldFactory.getInstance(0x4000);
private final static BitField columnMask = BitFieldFactory.getInstance(0x3FFF);
protected AreaPtg() {
//Required for clone methods
@ -157,7 +157,7 @@ public class AreaPtg
*/
public short getFirstColumn()
{
return column.getShortValue(field_3_first_column);
return columnMask.getShortValue(field_3_first_column);
}
/**
@ -204,7 +204,7 @@ public class AreaPtg
*/
public void setFirstColumn(short column)
{
field_3_first_column = column; // fixme
field_3_first_column=columnMask.setShortValue(field_3_first_column, column);
}
/**
@ -220,7 +220,7 @@ public class AreaPtg
*/
public short getLastColumn()
{
return column.getShortValue(field_4_last_column);
return columnMask.getShortValue(field_4_last_column);
}
/**
@ -269,7 +269,7 @@ public class AreaPtg
*/
public void setLastColumn(short column)
{
field_4_last_column = column; // fixme
field_4_last_column=columnMask.setShortValue(field_4_last_column, column);
}
/**

114
src/testcases/org/apache/poi/hssf/record/formula/TestAreaPtg.java Normal file
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@ -0,0 +1,114 @@
/* ====================================================================
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
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hssf.record.formula;
import junit.framework.TestCase;
import org.apache.poi.hssf.model.FormulaParser;
/**
* Tests for {@link AreaPtg}.
*
* @author Dmitriy Kumshayev
*/
public class TestAreaPtg extends TestCase
{
AreaPtg relative;
AreaPtg absolute;
protected void setUp() throws Exception
{
super.setUp();
short firstRow=5;
short lastRow=13;
short firstCol=7;
short lastCol=17;
relative = new AreaPtg(firstRow,lastRow,firstCol,lastCol,true,true,true,true);
absolute = new AreaPtg(firstRow,lastRow,firstCol,lastCol,false,false,false,false);
}
public void testSetColumnsAbsolute()
{
resetColumns(absolute);
validateReference(true, absolute);
}
public void testSetColumnsRelative()
{
resetColumns(relative);
validateReference(false, relative);
}
private void validateReference(boolean abs, AreaPtg ref)
{
assertEquals("First column reference is not "+(abs?"absolute":"relative"),abs,!ref.isFirstColRelative());
assertEquals("Last column reference is not "+(abs?"absolute":"relative"),abs,!ref.isLastColRelative());
assertEquals("First row reference is not "+(abs?"absolute":"relative"),abs,!ref.isFirstRowRelative());
assertEquals("Last row reference is not "+(abs?"absolute":"relative"),abs,!ref.isLastRowRelative());
}
public void resetColumns(AreaPtg aptg)
{
short fc = aptg.getFirstColumn();
short lc = aptg.getLastColumn();
aptg.setFirstColumn(fc);
aptg.setLastColumn(lc);
assertEquals(fc , aptg.getFirstColumn() );
assertEquals(lc , aptg.getLastColumn() );
}
public void testFormulaParser()
{
String formula1="SUM($E$5:$E$6)";
String expectedFormula1="SUM($F$5:$F$6)";
String newFormula1 = shiftAllColumnsBy1(formula1);
assertEquals("Absolute references changed", expectedFormula1, newFormula1);
String formula2="SUM(E5:E6)";
String expectedFormula2="SUM(F5:F6)";
String newFormula2 = shiftAllColumnsBy1(formula2);
assertEquals("Relative references changed", expectedFormula2, newFormula2);
}
private String shiftAllColumnsBy1(String formula)
{
int letUsShiftColumn1By1Column=1;
FormulaParser parser = new FormulaParser(formula,null);
parser.parse();
final Ptg[] ptgs = parser.getRPNPtg();
for(int i=0; i<ptgs.length; i++)
{
Ptg ptg = ptgs[i];
if (ptg instanceof AreaPtg )
{
AreaPtg aptg = (AreaPtg)ptg;
aptg.setFirstColumn((short)(aptg.getFirstColumn()+letUsShiftColumn1By1Column));
aptg.setLastColumn((short)(aptg.getLastColumn()+letUsShiftColumn1By1Column));
}
}
String newFormula = parser.toFormulaString(ptgs);
return newFormula;
}
}