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bug 56454: deprecate shiftMerged with unused parameter, move loop-invariant out of for-loop

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1749247 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Javen O'Neal 2016-06-20 01:49:46 +00:00
parent 2804197bdb
commit 55cb9381de
1 changed files with 20 additions and 9 deletions
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29
src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
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@ -931,7 +931,8 @@ public final class HSSFSheet implements org.apache.poi.ss.usermodel.Sheet {
@Override
public List<CellRangeAddress> getMergedRegions() {
List<CellRangeAddress> addresses = new ArrayList<CellRangeAddress>();
for (int i=0; i < _sheet.getNumMergedRegions(); i++) {
int count = _sheet.getNumMergedRegions();
for (int i=0; i < count; i++) {
addresses.add(_sheet.getMergedRegionAt(i));
}
return addresses;
@ -1463,18 +1464,28 @@ public final class HSSFSheet implements org.apache.poi.ss.usermodel.Sheet {
_sheet.setTopRow(toprow);
_sheet.setLeftCol(leftcol);
}
/**
* Shifts the merged regions left or right depending on mode
* <p/>
* TODO: MODE , this is only row specific
*
* Shifts, grows, or shrinks the merged regions due to a row shift
*
* @param startRow the start-index of the rows to shift, zero-based
* @param endRow the end-index of the rows to shift, zero-based
* @param n how far to shift, negative to shift up
* @param isRow unused, kept for backwards compatibility
* @deprecated POI 3.15 beta 2. This will be made private in future releases.
*/
protected void shiftMerged(int startRow, int endRow, int n, boolean isRow) {
shiftMerged(startRow, endRow, n);
}
/**
* Shifts, grows, or shrinks the merged regions due to a row shift
*
* @param startRow the start-index of the rows to shift, zero-based
* @param endRow the end-index of the rows to shift, zero-based
* @param n how far to shift, negative to shift up
*/
private void shiftMerged(int startRow, int endRow, int n) {
List<CellRangeAddress> shiftedRegions = new ArrayList<CellRangeAddress>();
//move merged regions completely if they fall within the new region boundaries when they are shifted
for (int i = 0; i < getNumMergedRegions(); i++) {
@ -1489,8 +1500,8 @@ public final class HSSFSheet implements org.apache.poi.ss.usermodel.Sheet {
}
//only shift if the region outside the shifted rows is not merged too
if (!SheetUtil.containsCell(merged, startRow - 1, 0) &&
!SheetUtil.containsCell(merged, endRow + 1, 0)) {
if (!merged.containsRow(startRow - 1) &&
!merged.containsRow(endRow + 1)) {
merged.setFirstRow(merged.getFirstRow() + n);
merged.setLastRow(merged.getLastRow() + n);
//have to remove/add it back
@ -1589,7 +1600,7 @@ public final class HSSFSheet implements org.apache.poi.ss.usermodel.Sheet {
}
// Shift Merged Regions
shiftMerged(startRow, endRow, n, true);
shiftMerged(startRow, endRow, n);
// Shift Row Breaks
_sheet.getPageSettings().shiftRowBreaks(startRow, endRow, n);