Fix bug #44070 - patch from Gian Carlo Pace

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@609620 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2008-01-07 14:51:37 +00:00
parent cb032b7f1f
commit 9966418b86
3 changed files with 88 additions and 1 deletions

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@ -1202,6 +1202,12 @@ public class HSSFSheet
row2Replace.createCellFromRecord( cellRecord );
sheet.addValueRecord( rowNum + n, cellRecord );
}
// move comments if exist (can exist even if cell is null)
HSSFComment comment = getCellComment(rowNum, col);
if (comment != null) {
comment.setRow(rowNum + n);
}
}
}
if ( endRow == lastrow || endRow + n > lastrow ) lastrow = Math.min( endRow + n, 65535 );
@ -1671,7 +1677,21 @@ public class HSSFSheet
* @return cell comment or <code>null</code> if not found
*/
public HSSFComment getCellComment(int row, int column){
return HSSFCell.findCellComment(sheet, row, column);
// Don't call findCellComment directly, otherwise
// two calls to this method will result in two
// new HSSFComment instances, which is bad
HSSFRow r = getRow(row);
if(r != null) {
HSSFCell c = r.getCell((short)column);
if(c != null) {
return c.getCellComment();
} else {
// No cell, so you will get new
// objects every time, sorry...
return HSSFCell.findCellComment(sheet, row, column);
}
}
return null;
}
}

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@ -25,6 +25,8 @@ import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.util.TempFile;
import java.io.File;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
@ -170,5 +172,70 @@ public class TestSheetShiftRows extends TestCase {
assertTrue("Row number 6 should have a pagebreak", s.isRowBroken(6));
}
public void testShiftWithComments() throws Exception {
String filename = System.getProperty( "HSSF.testdata.path" );
filename = filename + "/comments.xls";
FileInputStream fin = new FileInputStream( filename );
HSSFWorkbook wb = new HSSFWorkbook( fin );
fin.close();
HSSFSheet sheet = wb.getSheet("Sheet1");
assertEquals(3, sheet.getLastRowNum());
// Verify comments are in the position expected
assertNotNull(sheet.getCellComment(0,0));
assertNull(sheet.getCellComment(1,0));
assertNotNull(sheet.getCellComment(2,0));
assertNotNull(sheet.getCellComment(3,0));
String comment1 = sheet.getCellComment(0,0).getString().getString();
assertEquals(comment1,"comment top row1 (index0)\n");
String comment3 = sheet.getCellComment(2,0).getString().getString();
assertEquals(comment3,"comment top row3 (index2)\n");
String comment4 = sheet.getCellComment(3,0).getString().getString();
assertEquals(comment4,"comment top row4 (index3)\n");
// Shifting all but first line down to test comments shifting
sheet.shiftRows(1, sheet.getLastRowNum(), 1, true, true);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
wb.write(outputStream);
// Test that comments were shifted as expected
assertEquals(4, sheet.getLastRowNum());
assertNotNull(sheet.getCellComment(0,0));
assertNull(sheet.getCellComment(1,0));
assertNull(sheet.getCellComment(2,0));
assertNotNull(sheet.getCellComment(3,0));
assertNotNull(sheet.getCellComment(4,0));
String comment1_shifted = sheet.getCellComment(0,0).getString().getString();
assertEquals(comment1,comment1_shifted);
String comment3_shifted = sheet.getCellComment(3,0).getString().getString();
assertEquals(comment3,comment3_shifted);
String comment4_shifted = sheet.getCellComment(4,0).getString().getString();
assertEquals(comment4,comment4_shifted);
// Write out and read back in again
// Ensure that the changes were persisted
wb = new HSSFWorkbook( new ByteArrayInputStream(outputStream.toByteArray()) );
sheet = wb.getSheet("Sheet1");
assertEquals(4, sheet.getLastRowNum());
// Verify comments are in the position expected after the shift
assertNotNull(sheet.getCellComment(0,0));
assertNull(sheet.getCellComment(1,0));
assertNull(sheet.getCellComment(2,0));
assertNotNull(sheet.getCellComment(3,0));
assertNotNull(sheet.getCellComment(4,0));
comment1_shifted = sheet.getCellComment(0,0).getString().getString();
assertEquals(comment1,comment1_shifted);
comment3_shifted = sheet.getCellComment(3,0).getString().getString();
assertEquals(comment3,comment3_shifted);
comment4_shifted = sheet.getCellComment(4,0).getString().getString();
assertEquals(comment4,comment4_shifted);
}
}