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Fix bug #43008, by deprecating setCellNum() on HSSFCell, and adding moveCell() to HSSFRow, which correctly updates all the references

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@610392 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2008-01-09 14:27:51 +00:00
parent 0f4d8d90ed
commit 1f691642c3
5 changed files with 114 additions and 19 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="add">43008 - Add a moveCell method to HSSFRow, and deprecate setCellNum(), which didn't update things properly</action>
<action dev="POI-DEVELOPERS" type="fix">43058 - Support setting row grouping on files from CR IX, which lack GutsRecords</action>
<action dev="POI-DEVELOPERS" type="fix">31795 - Support cloning of sheets with certain drawing objects on them</action>
<action dev="POI-DEVELOPERS" type="fix">43902 - Don't consider merged regions when auto-sizing columns</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="add">43008 - Add a moveCell method to HSSFRow, and deprecate setCellNum(), which didn't update things properly</action>
<action dev="POI-DEVELOPERS" type="fix">43058 - Support setting row grouping on files from CR IX, which lack GutsRecords</action>
<action dev="POI-DEVELOPERS" type="fix">31795 - Support cloning of sheets with certain drawing objects on them</action>
<action dev="POI-DEVELOPERS" type="fix">43902 - Don't consider merged regions when auto-sizing columns</action>

40
src/java/org/apache/poi/hssf/usermodel/HSSFCell.java
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@ -24,17 +24,33 @@
*/
package org.apache.poi.hssf.usermodel;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import org.apache.poi.hssf.model.FormulaParser;
import org.apache.poi.hssf.model.Sheet;
import org.apache.poi.hssf.model.Workbook;
import org.apache.poi.hssf.record.*;
import org.apache.poi.hssf.record.BlankRecord;
import org.apache.poi.hssf.record.BoolErrRecord;
import org.apache.poi.hssf.record.CellValueRecordInterface;
import org.apache.poi.hssf.record.CommonObjectDataSubRecord;
import org.apache.poi.hssf.record.ExtendedFormatRecord;
import org.apache.poi.hssf.record.FormulaRecord;
import org.apache.poi.hssf.record.LabelSSTRecord;
import org.apache.poi.hssf.record.NoteRecord;
import org.apache.poi.hssf.record.NumberRecord;
import org.apache.poi.hssf.record.ObjRecord;
import org.apache.poi.hssf.record.Record;
import org.apache.poi.hssf.record.SubRecord;
import org.apache.poi.hssf.record.TextObjectRecord;
import org.apache.poi.hssf.record.UnicodeString;
import org.apache.poi.hssf.record.aggregates.FormulaRecordAggregate;
import org.apache.poi.hssf.record.formula.Ptg;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* High level representation of a cell in a row of a spreadsheet.
* Cells can be numeric, formula-based or string-based (text). The cell type
@ -266,15 +282,25 @@ public class HSSFCell
}
/**
* set the cell's number within the row (0 based)
* Set the cell's number within the row (0 based).
* @param num short the cell number
* @deprecated Doesn't update the row's idea of what cell this is, use {@link HSSFRow#moveCell(HSSFCell, short)} instead
*/
public void setCellNum(short num)
{
record.setColumn(num);
}
/**
* Updates the cell record's idea of what
* column it belongs in (0 based)
* @param num the new cell number
*/
protected void updateCellNum(short num)
{
record.setColumn(num);
}
/**
* get the cell's number within the row
* @return short reperesenting the column number (logical!)

42
src/java/org/apache/poi/hssf/usermodel/HSSFRow.java
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@ -22,15 +22,14 @@
*/
package org.apache.poi.hssf.usermodel;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.apache.poi.hssf.model.Sheet;
import org.apache.poi.hssf.model.Workbook;
import org.apache.poi.hssf.record.CellValueRecordInterface;
import org.apache.poi.hssf.record.RowRecord;
import java.util.HashMap;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* High level representation of a row of a spreadsheet.
*
@ -157,11 +156,15 @@ public class HSSFRow
* remove the HSSFCell from this row.
* @param cell to remove
*/
public void removeCell(HSSFCell cell)
{
public void removeCell(HSSFCell cell) {
removeCell(cell, true);
}
private void removeCell(HSSFCell cell, boolean alsoRemoveRecords) {
if(alsoRemoveRecords) {
CellValueRecordInterface cval = cell.getCellValueRecord();
sheet.removeValueRecord(getRowNum(), cval);
}
short column=cell.getCellNum();
if(cell!=null && column<cells.length)
{
@ -234,10 +237,33 @@ public class HSSFRow
return row.getOutlineLevel();
}
/**
* Moves the supplied cell to a new column, which
* must not already have a cell there!
* @param cell The cell to move
* @param newColumn The new column number (0 based)
*/
public void moveCell(HSSFCell cell, short newColumn) {
// Ensure the destination is free
if(cells.length > newColumn && cells[newColumn] != null) {
throw new IllegalArgumentException("Asked to move cell to column " + newColumn + " but there's already a cell there");
}
// Check it's one of ours
if(! cells[cell.getCellNum()].equals(cell)) {
throw new IllegalArgumentException("Asked to move a cell, but it didn't belong to our row");
}
// Move the cell to the new position
// (Don't remove the records though)
removeCell(cell, false);
cell.updateCellNum(newColumn);
addCell(cell);
}
/**
* used internally to add a cell.
*/
private void addCell(HSSFCell cell)
{
short column=cell.getCellNum();

41
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFRow.java
View File

@ -102,7 +102,48 @@ public class TestHSSFRow
file.delete();
assertEquals(-1, sheet.getRow((short) 0).getLastCellNum());
assertEquals(-1, sheet.getRow((short) 0).getFirstCellNum());
}
public void testMoveCell() throws Exception {
HSSFWorkbook workbook = new HSSFWorkbook();
HSSFSheet sheet = workbook.createSheet();
HSSFRow row = sheet.createRow((short) 0);
HSSFRow rowB = sheet.createRow((short) 1);
HSSFCell cellA2 = rowB.createCell((short)0);
assertEquals(0, rowB.getFirstCellNum());
assertEquals(0, rowB.getFirstCellNum());
assertEquals(-1, row.getLastCellNum());
assertEquals(-1, row.getFirstCellNum());
HSSFCell cellB2 = row.createCell((short) 1);
HSSFCell cellB3 = row.createCell((short) 2);
HSSFCell cellB4 = row.createCell((short) 3);
assertEquals(1, row.getFirstCellNum());
assertEquals(3, row.getLastCellNum());
// Try to move to somewhere else that's used
try {
row.moveCell(cellB2, (short)3);
fail();
} catch(IllegalArgumentException e) {}
// Try to move one off a different row
try {
row.moveCell(cellA2, (short)3);
fail();
} catch(IllegalArgumentException e) {}
// Move somewhere spare
assertNotNull(row.getCell((short)1));
row.moveCell(cellB2, (short)5);
assertNull(row.getCell((short)1));
assertNotNull(row.getCell((short)5));
assertEquals(5, cellB2.getCellNum());
assertEquals(2, row.getFirstCellNum());
assertEquals(5, row.getLastCellNum());
}