pascal/lazarus-ccr
1
0
Fork 0
Code Issues Releases Activity

fpspreadsheet: Add ods reading support for cell borders, border line styles and border colors. Borders of ods files are displayed in fpsgrid correctly.

Browse Source 
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@3106 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2014-05-27 13:09:23 +00:00
parent 82da39dd9f
commit 632b9d6200
3 changed files with 156 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

120
components/fpspreadsheet/fpsopendocument.pas
View File

@ -74,6 +74,7 @@ type
procedure ReadNumFormats(AStylesNode: TDOMNode);
procedure ReadStyles(AStylesNode: TDOMNode);
{ Record writing methods }
procedure ReadBlank(ARow, ACol: Word; ACellNode: TDOMNode);
procedure ReadFormula(ARow : Word; ACol : Word; ACellNode: TDOMNode);
procedure ReadLabel(ARow : Word; ACol : Word; ACellNode: TDOMNode);
procedure ReadNumber(ARow : Word; ACol : Word; ACellNode: TDOMNode);
@ -332,6 +333,16 @@ begin
end;
end;
procedure TsSpreadOpenDocReader.ReadBlank(ARow, ACol: Word; ACellNode: TDOMNode);
var
styleName: String;
begin
FWorkSheet.WriteBlank(ARow, ACol);
styleName := GetAttrValue(ACellNode, 'table:style-name');
ApplyStyleToCell(ARow, ACol, stylename);
end;
procedure TsSpreadOpenDocReader.ReadDateMode(SpreadSheetNode: TDOMNode);
var
CalcSettingsNode, NullDateNode: TDOMNode;
@ -433,6 +444,8 @@ begin
ReadNumber(Row, Col, CellNode)
else if (ParamValueType = 'date') or (ParamValueType = 'time') then
ReadDate(Row, Col, CellNode)
else if (ParamValueType = '') then
ReadBlank(Row, Col, CellNode)
else if ParamFormula <> '' then
ReadLabel(Row, Col, CellNode);
@ -464,9 +477,14 @@ begin
ReadNumber(ARow, ACol, ACellNode);
end;
procedure TsSpreadOpenDocReader.ReadLabel(ARow: Word; ACol : Word; ACellNode : TDOMNode);
procedure TsSpreadOpenDocReader.ReadLabel(ARow: Word; ACol: Word; ACellNode: TDOMNode);
var
styleName: String;
begin
FWorkSheet.WriteUTF8Text(ARow,ACol,UTF8Encode(ACellNode.TextContent));
FWorkSheet.WriteUTF8Text(ARow, ACol, UTF8Encode(ACellNode.TextContent));
styleName := GetAttrValue(ACellNode, 'table:style-name');
ApplyStyleToCell(ARow, ACol, stylename);
end;
procedure TsSpreadOpenDocReader.ReadNumber(ARow: Word; ACol : Word; ACellNode : TDOMNode);
@ -728,6 +746,7 @@ end;
procedure TsSpreadOpenDocReader.ReadStyles(AStylesNode: TDOMNode);
var
fs: TFormatSettings;
style: TStyleData;
styleNode: TDOMNode;
styleChildNode: TDOMNode;
@ -739,11 +758,78 @@ var
numFmtIndexDefault: Integer;
wrap: Boolean;
borders: TsCellBorders;
borderStyles: TsCellBorderStyles;
s: String;
procedure SetBorderStyle(ABorder: TsCellBorder; AStyleValue: String);
var
L: TStringList;
i: Integer;
isSolid: boolean;
s: String;
wid: Double;
linestyle: String;
rgb: DWord;
p: Integer;
begin
L := TStringList.Create;
try
L.Delimiter := ' ';
L.StrictDelimiter := true;
L.DelimitedText := AStyleValue;
wid := 0;
rgb := 0;
linestyle := '';
for i:=0 to L.Count-1 do begin
s := L[i];
if (s = 'solid') or (s = 'dashed') or (s = 'fine-dashed') or (s = 'dotted')
then linestyle := s;
if s[1] = '#' then begin
s[1] := '$';
rgb := StrToInt(s);
end;
p := pos('pt', s);
if p = Length(s)-1 then begin
wid := StrToFloat(copy(s, 1, p-1), fs);
continue;
end;
p := pos('mm', s);
if p = Length(s)-1 then begin
wid := mmToPts(StrToFloat(copy(s, 1, p-1), fs));
Continue;
end;
p := pos('cm', s);
if p = Length(s)-1 then begin
wid := cmToPts(StrToFloat(copy(s, 1, p-1), fs));
Continue;
end;
end;
borderStyles[ABorder].LineStyle := lsThin;
if (linestyle = 'solid') then begin
if (wid >= 2) then borderStyles[ABorder].LineStyle := lsThick
else if (wid >= 1) then borderStyles[ABorder].LineStyle := lsMedium
end else
if (linestyle = 'dotted') then
borderStyles[ABorder].LineStyle := lsHair
else
if (linestyle = 'dashed') then
borderStyles[ABorder].LineStyle := lsDashed
else
if (linestyle = 'fine-dashed') then
borderStyles[ABorder].LineStyle := lsDotted;
borderStyles[ABorder].Color := Workbook.AddColorToPalette(LongRGBToExcelPhysical(rgb));
finally
L.Free;
end;
end;
begin
if not Assigned(AStylesNode) then
exit;
fs := DefaultFormatSettings;
fs.DecimalSeparator := '.';
numFmtIndexDefault := NumFormatList.FindByName('N0');
styleNode := AStylesNode.FirstChild;
@ -764,14 +850,34 @@ begin
while Assigned(styleChildNode) do begin
if styleChildNode.NodeName = 'style:table-cell-properties' then begin
// Borders
s := GetAttrValue(styleChildNode, 'fo:border');
if (s <>'') then begin
borders := borders + [cbNorth, cbSouth, cbEast, cbWest];
SetBorderStyle(cbNorth, s);
SetBorderStyle(cbSouth, s);
SetBorderStyle(cbEast, s);
SetBorderStyle(cbWest, s);
end;
s := GetAttrValue(styleChildNode, 'fo:border-top');
if (s <> '') and (s <> 'none') then Include(borders, cbNorth);
if (s <> '') and (s <> 'none') then begin
Include(borders, cbNorth);
SetBorderStyle(cbNorth, s);
end;
s := GetAttrValue(styleChildNode, 'fo:border-right');
if (s <> '') and (s <> 'none') then Include(borders, cbEast);
if (s <> '') and (s <> 'none') then begin
Include(borders, cbEast);
SetBorderStyle(cbEast, s);
end;
s := GetAttrValue(styleChildNode, 'fo:border-bottom');
if (s <> '') and (s <> 'none') then Include(borders, cbSouth);
if (s <> '') and (s <> 'none') then begin
Include(borders, cbSouth);
SetBorderStyle(cbSouth, s);
end;
s := GetAttrValue(styleChildNode, 'fo:border-left');
if (s <> '') and (s <> 'none') then Include(borders, cbWest);
if (s <> '') and (s <> 'none') then begin
Include(borders, cbWest);
SetBorderStyle(cbWest, s);
end;
// Text wrap
s := GetAttrValue(styleChildNode, 'fo:wrap-option');
@ -792,7 +898,7 @@ begin
style.WordWrap := wrap;
style.TextRotation := trHorizontal;
style.Borders := borders;
style.BorderStyles := DEFAULT_BORDERSTYLES;
style.BorderStyles := borderStyles;
style.BackgroundColor := scNotDefined;
styleIndex := FStyleList.Add(style);

28
components/fpspreadsheet/fpspreadsheet.pas
View File

@ -550,6 +550,7 @@ type
procedure RemoveAllFonts;
procedure SetDefaultFont(const AFontName: String; ASize: Single);
{ Color handling }
function AddColorToPalette(AColorValue: TsColorValue): TsColor;
function FPSColorToHexString(AColor: TsColor; ARGBColor: TFPColor): String;
function GetColorName(AColorIndex: TsColor): string;
function GetPaletteColor(AColorIndex: TsColor): TsColorValue;
@ -2831,6 +2832,33 @@ begin
Result := FFontList.Count;
end;
{@@
Adds a color to the palette and returns its palette index, but only if the
color does not already exist - in this case, it returns the index of the
existing color entry. }
function TsWorkbook.AddColorToPalette(AColorValue: TsColorValue): TsColor;
var
i: Integer;
begin
// No palette yet? Add the 16 first entries of the default_palette. They are
// common to all palettes
if Length(FPalette) = 0 then begin
SetLength(FPalette, 16);
for i := 0 to 15 do
FPalette[i] := DEFAULT_PALETTE[i];
end;
// Now look for the color. Is already in the existing palette?
for Result := 0 to Length(FPalette)-1 do
if FPalette[Result] = AColorValue then
exit;
// No. Add it to the palette.
Result := Length(FPalette);
SetLength(FPalette, Result+1);
FPalette[Result] := AColorValue;
end;
{@@
Converts a fpspreadsheet color into into a string RRGGBB.
Note that colors are written to xls files as ABGR (where A is 0).

15
components/fpspreadsheet/fpsutils.pas
View File

@ -102,6 +102,9 @@ function FormatDateTime(const FormatStr: string; DateTime: TDateTime;
function FormatDateTime(const FormatStr: string; DateTime: TDateTime;
const FormatSettings: TFormatSettings; Options : TFormatDateTimeOptions = []): string;
function cmToPts(AValue: Double): Double;
function mmToPts(AValue: Double): Double;
implementation
uses
@ -1290,5 +1293,17 @@ begin
DateTimeToString(Result, FormatStr, DateTime, FormatSettings,Options);
end;
{ Converts centimeters to points (72 pts = 1 inch) }
function cmToPts(AValue: Double): Double;
begin
Result := AValue/(2.54*72);
end;
{ Converts millimeters to points (72 pts = 1 inch) }
function mmToPts(AValue: Double): Double;
begin
Result := AValue/(25.4*72);
end;
end.