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Bugzilla 53763: avoid style mess when using HSSFOptimiser

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1397548 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov 2012-10-12 12:55:45 +00:00
parent 96959c79f8
commit 6000b0e528
5 changed files with 74 additions and 11 deletions
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1
patch.xml
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@ -65,7 +65,6 @@
<target name="patchpackage" depends="createpatch,newfiles">
<delete file="${patch.package}"/>
<tar includes="${tar.file.list}"
excludes="${patch.file}"
destfile="${patch.package}"
basedir="."
compression="gzip" >

1
src/documentation/content/xdocs/status.xml
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@ -34,6 +34,7 @@
<changes>
<release version="3.9-beta1" date="2012-??-??">
<action dev="poi-developers" type="fix">53763 - avoid style mess when using HSSFOptimiser </action>
<action dev="poi-developers" type="fix">52972 - preserve leading / trailing spaces in SXSSF </action>
<action dev="poi-developers" type="fix">53965 - Fixed XmlValueOutOfRangeExceptio calling getDataValidations for custom validations with XSSFSheet </action>
<action dev="poi-developers" type="fix">53974 - Avoid NPE when constructing HSSFWorbook on Google App Engine</action>

23
src/java/org/apache/poi/hssf/model/InternalWorkbook.java
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@ -82,12 +82,16 @@ import org.apache.poi.hssf.record.WindowProtectRecord;
import org.apache.poi.hssf.record.WriteAccessRecord;
import org.apache.poi.hssf.record.WriteProtectRecord;
import org.apache.poi.hssf.record.common.UnicodeString;
import org.apache.poi.ss.formula.FormulaShifter;
import org.apache.poi.ss.formula.udf.UDFFinder;
import org.apache.poi.ss.formula.ptg.*;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ss.formula.EvaluationWorkbook.ExternalName;
import org.apache.poi.ss.formula.EvaluationWorkbook.ExternalSheet;
import org.apache.poi.ss.formula.FormulaShifter;
import org.apache.poi.ss.formula.ptg.Area3DPtg;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.ss.formula.ptg.OperandPtg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.Ref3DPtg;
import org.apache.poi.ss.formula.udf.UDFFinder;
import org.apache.poi.ss.usermodel.BuiltinFormats;
import org.apache.poi.util.Internal;
import org.apache.poi.util.POILogFactory;
@ -846,6 +850,19 @@ public final class InternalWorkbook {
numxfs--;
}
/**
* Removes ExtendedFormatRecord record with given index from the
* file's list. This will make all
* subsequent font indicies drop by one,
* so you'll need to update those yourself!
* @param index of the Extended format record (0-based)
*/
public void removeExFormatRecord(int index) {
int xfptr = records.getXfpos() - (numxfs - 1) + index;
records.remove(xfptr); // this updates XfPos for us
numxfs--;
}
/**
* creates a new Cell-type Extneded Format Record and adds it to the end of

19
src/java/org/apache/poi/hssf/usermodel/HSSFOptimiser.java
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@ -252,13 +252,18 @@ public class HSSFOptimiser {
}
// Zap the un-needed user style records
for(int i=21; i<newPos.length; i++) {
if(zapRecords[i]) {
workbook.getWorkbook().removeExFormatRecord(
xfrs[i]
);
}
}
// removing by index, because removing by object may delete
// styles we did not intend to (the ones that _were_ duplicated and not the duplicates)
int max = newPos.length;
int removed = 0; // to adjust index after deletion
for(int i=21; i<max; i++) {
if(zapRecords[i + removed]) {
workbook.getWorkbook().removeExFormatRecord(i);
i--;
max--;
removed++;
}
}
// Finally, update the cells to point at their new extended format records
for(int sheetNum=0; sheetNum<workbook.getNumberOfSheets(); sheetNum++) {

41
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFOptimiser.java
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@ -224,6 +224,7 @@ public final class TestHSSFOptimiser extends TestCase {
assertEquals(21, r.getCell(0).getCellValueRecord().getXFIndex());
// cs2 -> 22
assertEquals(22, r.getCell(1).getCellValueRecord().getXFIndex());
assertEquals(22, r.getCell(1).getCellStyle().getFont(wb).getFontHeight());
// cs3 = cs1 -> 21
assertEquals(21, r.getCell(2).getCellValueRecord().getXFIndex());
// cs4 --> 24 -> 23
@ -269,4 +270,44 @@ public final class TestHSSFOptimiser extends TestCase {
// csD -> cs1 -> 21
assertEquals(21, r.getCell(8).getCellValueRecord().getXFIndex());
}
public void testOptimiseStylesCheckActualStyles() {
HSSFWorkbook wb = new HSSFWorkbook();
// Several styles
assertEquals(21, wb.getNumCellStyles());
HSSFCellStyle cs1 = wb.createCellStyle();
cs1.setBorderBottom(HSSFCellStyle.BORDER_THICK);
HSSFCellStyle cs2 = wb.createCellStyle();
cs2.setBorderBottom(HSSFCellStyle.BORDER_DASH_DOT);
HSSFCellStyle cs3 = wb.createCellStyle(); // = cs1
cs3.setBorderBottom(HSSFCellStyle.BORDER_THICK);
assertEquals(24, wb.getNumCellStyles());
// Use them
HSSFSheet s = wb.createSheet();
HSSFRow r = s.createRow(0);
r.createCell(0).setCellStyle(cs1);
r.createCell(1).setCellStyle(cs2);
r.createCell(2).setCellStyle(cs3);
assertEquals(21, r.getCell(0).getCellValueRecord().getXFIndex());
assertEquals(22, r.getCell(1).getCellValueRecord().getXFIndex());
assertEquals(23, r.getCell(2).getCellValueRecord().getXFIndex());
// Optimise
HSSFOptimiser.optimiseCellStyles(wb);
// Check
assertEquals(23, wb.getNumCellStyles());
assertEquals(HSSFCellStyle.BORDER_THICK, r.getCell(0).getCellStyle().getBorderBottom());
assertEquals(HSSFCellStyle.BORDER_DASH_DOT, r.getCell(1).getCellStyle().getBorderBottom());
assertEquals(HSSFCellStyle.BORDER_THICK, r.getCell(2).getCellStyle().getBorderBottom());
}
}