Mega Code Archive
DBGrid To Html Table
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Title: DBGrid To Html Table
Question: Deal with Font, bgColor, Alignment.
(*//
function ColorToHtml(mColor: TColor): string;
function StrToHtml(mStr: string; mFont: TFont = nil): string;
//*)
Answer:
///////Begin Source
function ColorToHtml(mColor: TColor): string;
begin
mColor := ColorToRGB(mColor);
Result := Format('#%.2x%.2x%.2x',
[GetRValue(mColor), GetGValue(mColor), GetBValue(mColor)]);
end; { ColorToHtml }
function StrToHtml(mStr: string; mFont: TFont = nil): string;
var
vLeft, vRight: string;
begin
Result := mStr;
Result := StringReplace(Result, '&', '&', [rfReplaceAll]);
Result := StringReplace(Result, ', '<', [rfReplaceAll]);
Result := StringReplace(Result, '', '>', [rfReplaceAll]);
if not Assigned(mFont) then Exit;
vLeft := Format('',
[mFont.Name, ColorToHtml(mFont.Color)]);
vRight := '';
if fsBold in mFont.Style then begin
vLeft := vLeft + '';
vRight := '' + vRight;
end;
if fsItalic in mFont.Style then begin
vLeft := vLeft + '';
vRight := '' + vRight;
end;
if fsUnderline in mFont.Style then begin
vLeft := vLeft + '';
vRight := '' + vRight;
end;
if fsStrikeOut in mFont.Style then begin
vLeft := vLeft + '';
vRight := '' + vRight;
end;
Result := vLeft + Result + vRight;
end; { StrToHtml }
function DBGridToHtmlTable(mDBGrid: TDBGrid; mStrings: TStrings;
mCaption: TCaption = ''): Boolean;
const
cAlignText: array[TAlignment] of string = ('LEFT', 'RIGHT', 'CENTER');
var
vColFormat: string;
vColText: string;
vAllWidth: Integer;
vWidths: array of Integer;
vBookmark: string;
I, J: Integer;
begin
Result := False;
if not Assigned(mStrings) then Exit;
if not Assigned(mDBGrid) then Exit;
if not Assigned(mDBGrid.DataSource) then Exit;
if not Assigned(mDBGrid.DataSource.DataSet) then Exit;
if not mDBGrid.DataSource.DataSet.Active then Exit;
vBookmark := mDBGrid.DataSource.DataSet.Bookmark;
mDBGrid.DataSource.DataSet.DisableControls;
try
J := 0;
vAllWidth := 0;
for I := 0 to mDBGrid.Columns.Count - 1 do
if mDBGrid.Columns[I].Visible then begin
Inc(J);
SetLength(vWidths, J);
vWidths[J - 1] := mDBGrid.Columns[I].Width;
Inc(vAllWidth, mDBGrid.Columns[I].Width);
end;
if J 0 then Exit;
mStrings.Clear;
mStrings.Add(Format('',
[ColorToHtml(mDBGrid.Color)]));
if mCaption '' then
mStrings.Add(Format('%s', [StrToHtml(mCaption)]));
vColFormat := '';
vColText := '';
vColFormat := vColFormat + ''#13#10;
vColText := vColText + ''#13#10;
J := 0;
for I := 0 to mDBGrid.Columns.Count - 1 do
if mDBGrid.Columns[I].Visible then begin
vColFormat := vColFormat + Format(
' DisplayText%d'#13#10,
[ColorToHtml(mDBGrid.Columns[I].Color),
cAlignText[mDBGrid.Columns[I].Alignment],
Round(vWidths[J] / vAllWidth * 100), J]);
vColText := vColText + Format(
' %s'#13#10,
[ColorToHtml(mDBGrid.Columns[I].Title.Color),
cAlignText[mDBGrid.Columns[I].Alignment],
Round(vWidths[J] / vAllWidth * 100),
StrToHtml(mDBGrid.Columns[I].Title.Caption,
mDBGrid.Columns[I].Title.Font)]);
Inc(J);
end;
vColFormat := vColFormat + ''#13#10;
vColText := vColText + ''#13#10;
mStrings.Text := mStrings.Text + vColText;
mDBGrid.DataSource.DataSet.First;
while not mDBGrid.DataSource.DataSet.Eof do begin
J := 0;
vColText := vColFormat;
for I := 0 to mDBGrid.Columns.Count - 1 do
if mDBGrid.Columns[I].Visible then begin
vColText := StringReplace(vColText, Format('DisplayText%d, [J]),
Format('%s, [StrToHtml(mDBGrid.Columns[I].Field.DisplayText,
mDBGrid.Columns[I].Font)]),
[rfReplaceAll]);
Inc(J);
end;
mStrings.Text := mStrings.Text + vColText;
mDBGrid.DataSource.DataSet.Next;
end;
mStrings.Add('');
finally
mDBGrid.DataSource.DataSet.Bookmark := vBookmark;
mDBGrid.DataSource.DataSet.EnableControls;
vWidths := nil;
end;
Result := True;
end; { DBGridToHtmlTable }
///////End Source
{ uses ShellApi; }
///////Begin Demo
procedure TForm1.Button1Click(Sender: TObject);
begin
DBGridToHtmlTable(DBGrid1, Memo1.Lines, Caption);
Memo1.Lines.SaveToFile('c:\temp.htm');
ShellExecute(Handle, nil, 'c:\temp.htm', nil, nil, SW_SHOW);
end;
///////End Demo
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