* 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) {
}
/**
- * 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>();
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);
* 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);
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
*/
assertEquals("A3:C3", region.formatAsString());
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();
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();
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);
projects / poi.git / commitdiff