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Apply patch to fix bug 59740: Sheet.shiftRows incorrectly shifts merged region on exists merged region

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1752997 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2016-07-16 20:52:39 +00:00
parent d0e3102fd1
commit af2a99b910
6 changed files with 80 additions and 27 deletions
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3
src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
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@ -1509,7 +1509,8 @@ public final class HSSFSheet implements org.apache.poi.ss.usermodel.Sheet {
* Code ensures that rows don't wrap around<p>
*
* Additionally shifts merged regions that are completely defined in these
* rows (ie. merged 2 cells on a row to be shifted).<p>
* rows (ie. merged 2 cells on a row to be shifted). All merged regions that are
* completely overlaid by shifting will be deleted.<p>
*
* TODO Might want to add bounds checking here
*

3
src/java/org/apache/poi/ss/usermodel/Sheet.java
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@ -696,7 +696,8 @@ public interface Sheet extends Iterable<Row> {
*
* <p>
* Additionally shifts merged regions that are completely defined in these
* rows (ie. merged 2 cells on a row to be shifted).
* rows (ie. merged 2 cells on a row to be shifted). All merged regions that are
* completely overlaid by shifting will be deleted.
* <p>
* @param startRow the row to start shifting
* @param endRow the row to end shifting

14
src/java/org/apache/poi/ss/usermodel/helpers/RowShifter.java
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@ -36,7 +36,6 @@ import org.apache.poi.util.POILogger;
* This abstract class exists to consolidate duplicated code between XSSFRowShifter and HSSFRowShifter (currently methods sprinkled throughout HSSFSheet)
*/
public abstract class RowShifter {
private static final POILogger logger = POILogFactory.getLogger(RowShifter.class);
protected final Sheet sheet;
public RowShifter(Sheet sh) {
@ -44,12 +43,13 @@ public abstract class RowShifter {
}
/**
* Shifts, grows, or shrinks the merged regions due to a row shift
* Shifts, grows, or shrinks the merged regions due to a row shift.
* Merged regions that are completely overlaid by shifting will be deleted.
*
* @param startRow the row to start shifting
* @param endRow the row to end shifting
* @param n the number of rows to shift
* @return an array of affected merged regions
* @return an array of affected merged regions, doesn't contain deleted ones
*/
public List<CellRangeAddress> shiftMergedRegions(int startRow, int endRow, int n) {
List<CellRangeAddress> shiftedRegions = new ArrayList<CellRangeAddress>();
@ -59,6 +59,12 @@ public abstract class RowShifter {
for (int i = 0; i < size; i++) {
CellRangeAddress merged = sheet.getMergedRegion(i);
// remove merged region that overlaps shifting
if (startRow + n <= merged.getFirstRow() && endRow + n >= merged.getLastRow()) {
removedIndices.add(i);
continue;
}
boolean inStart = (merged.getFirstRow() >= startRow || merged.getLastRow() >= startRow);
boolean inEnd = (merged.getFirstRow() <= endRow || merged.getLastRow() <= endRow);
@ -114,7 +120,7 @@ public abstract class RowShifter {
* is of type LINK_DOCUMENT and refers to a cell that was shifted). Hyperlinks
* do not track the content they point to.
*
* @param shifter
* @param shifter the formula shifting policy
*/
public abstract void updateHyperlinks(FormulaShifter shifter);

3
src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFSheet.java
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@ -996,7 +996,8 @@ public class SXSSFSheet implements Sheet
*
* <p>
* Additionally shifts merged regions that are completely defined in these
* rows (ie. merged 2 cells on a row to be shifted).
* rows (ie. merged 2 cells on a row to be shifted). All merged regions that are
* completely overlaid by shifting will be deleted.
* <p>
* @param startRow the row to start shifting
* @param endRow the row to end shifting

3
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFSheet.java
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@ -2913,7 +2913,8 @@ public class XSSFSheet extends POIXMLDocumentPart implements Sheet {
*
* <p>
* Additionally shifts merged regions that are completely defined in these
* rows (ie. merged 2 cells on a row to be shifted).
* rows (ie. merged 2 cells on a row to be shifted). All merged regions that are
* completely overlaid by shifting will be deleted.
* <p>
* @param startRow the row to start shifting
* @param endRow the row to end shifting

77
src/testcases/org/apache/poi/ss/usermodel/BaseTestSheetShiftRows.java
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@ -130,20 +130,6 @@ public abstract class BaseTestSheetShiftRows {
wb.close();
}
/**
* Tests when shifting the first row.
*/
@Test
public final void testActiveCell() throws IOException {
Workbook wb = _testDataProvider.createWorkbook();
Sheet s = wb.createSheet();
s.createRow(0).createCell(0).setCellValue("TEST1");
s.createRow(3).createCell(0).setCellValue("TEST2");
s.shiftRows(0,4,1);
wb.close();
}
/**
* When shifting rows, the page breaks should go with it
*/
@ -308,7 +294,7 @@ public abstract class BaseTestSheetShiftRows {
wb.close();
}
@Ignore
@Ignore("bug 56454: Incorrectly handles merged regions that do not contain column 0")
@Test
public final void shiftWithMergedRegions_bug56454() throws IOException {
Workbook wb = _testDataProvider.createWorkbook();
@ -602,8 +588,7 @@ public abstract class BaseTestSheetShiftRows {
read.close();
}
// bug 56454: Incorrectly handles merged regions that do not contain column 0
@Ignore
@Ignore("bug 56454: Incorrectly handles merged regions that do not contain column 0")
@Test
public void shiftRowsWithMergedRegionsThatDoNotContainColumnZero() throws IOException {
Workbook wb = _testDataProvider.createWorkbook();
@ -635,6 +620,64 @@ public abstract class BaseTestSheetShiftRows {
wb.close();
}
@Test
public void shiftMergedRowsToMergedRowsUp() throws IOException {
Workbook wb = _testDataProvider.createWorkbook();
Sheet sheet = wb.createSheet("test");
populateSheetCells(sheet);
CellRangeAddress A1_E1 = new CellRangeAddress(0, 0, 0, 4);
CellRangeAddress A2_C2 = new CellRangeAddress(1, 1, 0, 2);
sheet.addMergedRegion(A1_E1);
sheet.addMergedRegion(A2_C2);
// A1:E1 should be removed
// A2:C2 will be A1:C1
sheet.shiftRows(1, sheet.getLastRowNum(), -1);
assertEquals(1, sheet.getNumMergedRegions());
assertEquals(CellRangeAddress.valueOf("A1:C1"), sheet.getMergedRegion(0));
wb.close();
}
private void populateSheetCells(Sheet sheet) {
// populate sheet cells
for (int i = 0; i < 2; i++) {
Row row = sheet.createRow(i);
for (int j = 0; j < 5; j++) {
Cell cell = row.createCell(j);
cell.setCellValue(i + "x" + j);
}
}
}
@Test
public void shiftMergedRowsToMergedRowsDown() throws IOException {
Workbook wb = _testDataProvider.createWorkbook();
Sheet sheet = wb.createSheet("test");
// populate sheet cells
populateSheetCells(sheet);
CellRangeAddress A1_E1 = new CellRangeAddress(0, 0, 0, 4);
CellRangeAddress A2_C2 = new CellRangeAddress(1, 1, 0, 2);
sheet.addMergedRegion(A1_E1);
sheet.addMergedRegion(A2_C2);
// A1:E1 should be moved to A2:E2
// A2:C2 will be removed
sheet.shiftRows(0, 0, 1);
assertEquals(1, sheet.getNumMergedRegions());
assertEquals(CellRangeAddress.valueOf("A2:E2"), sheet.getMergedRegion(0));
wb.close();
}
private void createHyperlink(CreationHelper helper, Cell cell, int linkType, String ref) {
cell.setCellValue(ref);
Hyperlink link = helper.createHyperlink(linkType);