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fpspreadsheet: Fix biff8 incorrectly reading non-contiguous shared formulas. Fix biff8 writing only contiguous shared formulas.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@3594 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2014-09-22 13:35:19 +00:00
parent 82fe17f36f
commit 0e97c6bec0
3 changed files with 12 additions and 35 deletions
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15
components/fpspreadsheet/fpspreadsheet.pas
View File

@ -2885,6 +2885,9 @@ end;
{@@ ----------------------------------------------------------------------------
Determines the cell block sharing the same formula which is used by a given cell
Note: the block may not be contiguous. The function returns the outer edges
of the range.
@param ACell Pointer to the cell being investigated
@param ARow1 (output) Top row index of the shared formula block
@param ACol1 (outout) Left column index of the shared formula block
@ -2912,21 +2915,17 @@ begin
ACol1 := base^.Col;
ACol2 := ACol1;
// ... and go along first COLUMN to find the end of the shared formula block, ...
for c := ACol1+1 to GetLastColIndex do
for c := ACol1+1 to GetLastOccupiedColIndex do
begin
cell := FindCell(ARow1, c);
if (cell = nil) or (cell^.SharedFormulaBase <> base) then
break
else
if (cell <> nil) and (cell^.SharedFormulaBase = base) then
ACol2 := c;
end;
// ... and go along first ROW to find the end of the shared formula block
for r := ARow1 + 1 to GetLastRowIndex do
for r := ARow1 + 1 to GetLastOccupiedRowIndex do
begin
cell := FindCell(r, ACol1);
if (cell = nil) or (cell^.SharedFormulaBase <> base) then
break
else
if (cell <> nil) and (cell^.SharedFormulaBase = base) then
ARow2 := r;
end;

2
components/fpspreadsheet/xlsbiff8.pas
View File

@ -1024,7 +1024,7 @@ end;
*******************************************************************}
procedure TsSpreadBIFF8Writer.WriteStyle(AStream: TStream);
begin
{ BIFF Record header }
{ BIFF record header }
AStream.WriteWord(WordToLE(INT_EXCEL_ID_STYLE));
AStream.WriteWord(WordToLE(4));

30
components/fpspreadsheet/xlscommon.pas
View File

@ -2769,38 +2769,16 @@ var
begin
RPNLength := 0;
// Determine cell range covered by the shared formula in ACell.
// Find range of cells using this shared formula
r1 := ACell^.Row; r2 := r1;
c1 := ACell^.Col; c2 := c1;
r := r1;
c := c1;
while c <= FWorksheet.GetLastColIndex do
begin
cell := FWorksheet.FindCell(r, c);
if (cell <> nil) and (cell^.SharedFormulaBase = ACell^.SharedFormulaBase) then
c2 := c
else
break;
inc(c);
end;
c := c1;
while r <= FWorksheet.GetLastRowIndex do
begin
cell := FWorksheet.FindCell(r, c);
if (cell <> nil) and (cell^.SharedFormulaBase = ACell^.SharedFormulaBase) then
r2 := r
else
break;
inc(r);
end;
// Write BIFF record ID and size
AStream.WriteWord(WordToLE(INT_EXCEL_ID_SHAREDFMLA));
recordSizePos := AStream.Position;
AStream.WriteWord(0); // This is the record size which is not yet known here
startPos := AStream.Position;
// Determine (maximum) cell range covered by the shared formula in ACell.
// Note: it is possible that the range is not contiguous.
FWorksheet.FindSharedFormulaRange(ACell, r1, c1, r2, c2);
// Write borders of cell range covered by the formula
WriteSharedFormulaRange(AStream, r1, c1, r2, c2);