Componentes.Terceros.FastRe.../internal/4.2/1/Source/ExportPack/frxExportXML.pas
2007-11-18 19:40:07 +00:00

670 lines
21 KiB
ObjectPascal
Raw Permalink Blame History

{******************************************}
{ }
{ FastReport v4.0 }
{ XML Excel export }
{ }
{ Copyright (c) 1998-2007 }
{ by Alexander Fediachov, }
{ Fast Reports Inc. }
{ }
{******************************************}
{ Improved by Bysoev Alexander }
{ Kanal-B@Yandex.ru }
{******************************************}
unit frxExportXML;
interface
{$I frx.inc}
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, extctrls, Printers, ComObj, frxClass, frxExportMatrix, frxProgress
{$IFDEF Delphi6}, Variants {$ENDIF};
type
TfrxXMLExportDialog = class(TForm)
OkB: TButton;
CancelB: TButton;
SaveDialog1: TSaveDialog;
GroupPageRange: TGroupBox;
DescrL: TLabel;
AllRB: TRadioButton;
CurPageRB: TRadioButton;
PageNumbersRB: TRadioButton;
PageNumbersE: TEdit;
GroupQuality: TGroupBox;
WCB: TCheckBox;
ContinuousCB: TCheckBox;
PageBreaksCB: TCheckBox;
OpenExcelCB: TCheckBox;
BackgrCB: TCheckBox;
procedure FormCreate(Sender: TObject);
procedure PageNumbersEChange(Sender: TObject);
procedure PageNumbersEKeyPress(Sender: TObject; var Key: Char);
procedure FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
end;
TfrxXMLExport = class(TfrxCustomExportFilter)
private
FExportPageBreaks: Boolean;
FExportStyles: Boolean;
FFirstPage: Boolean;
FMatrix: TfrxIEMatrix;
FOpenExcelAfterExport: Boolean;
FPageBottom: Extended;
FPageLeft: Extended;
FPageRight: Extended;
FPageTop: Extended;
FPageOrientation: TPrinterOrientation;
FProgress: TfrxProgress;
FShowProgress: Boolean;
FWysiwyg: Boolean;
FBackground: Boolean;
FCreator: String;
FEmptyLines: Boolean;
procedure ExportPage(Stream: TStream);
function ChangeReturns(const Str: String): String;
function TruncReturns(const Str: WideString): WideString;
public
constructor Create(AOwner: TComponent); override;
class function GetDescription: String; override;
function ShowModal: TModalResult; override;
function Start: Boolean; override;
procedure Finish; override;
procedure FinishPage(Page: TfrxReportPage; Index: Integer); override;
procedure StartPage(Page: TfrxReportPage; Index: Integer); override;
procedure ExportObject(Obj: TfrxComponent); override;
published
property ExportStyles: Boolean read FExportStyles write FExportStyles default True;
property ExportPageBreaks: Boolean read FExportPageBreaks write FExportPageBreaks default True;
property OpenExcelAfterExport: Boolean read FOpenExcelAfterExport
write FOpenExcelAfterExport default False;
property ShowProgress: Boolean read FShowProgress write FShowProgress;
property Wysiwyg: Boolean read FWysiwyg write FWysiwyg default True;
property Background: Boolean read FBackground write FBackground default False;
property Creator: String read FCreator write FCreator;
property EmptyLines: Boolean read FEmptyLines write FEmptyLines;
property SuppressPageHeadersFooters;
end;
implementation
uses frxUtils, frxFileUtils, frxUnicodeUtils, frxRes, frxrcExports;
{$R *.dfm}
const
Xdivider = 1.376;
Ydivider = 1.376;
MargDiv = 26.6;
XLMaxHeight = 409;
{ TfrxXMLExport }
constructor TfrxXMLExport.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FExportPageBreaks := True;
FExportStyles := True;
FShowProgress := True;
FWysiwyg := True;
FBackground := True;
FCreator := 'FastReport';
FilterDesc := frxGet(8105);
DefaultExt := frxGet(8106);
FEmptyLines := True;
end;
class function TfrxXMLExport.GetDescription: String;
begin
Result := frxResources.Get('XlsXMLexport');
end;
function TfrxXMLExport.TruncReturns(const Str: WideString): WideString;
begin
Result := Str;
if Copy(Result, Length(Result) - 1, 2) = #13#10 then
Delete(Result, Length(Result) - 1, 2);
end;
function TfrxXMLExport.ChangeReturns(const Str: String): String;
var
i: Integer;
begin
Result := '';
for i := 1 to Length(Str) do
begin
if Str[i] = '&' then
Result := Result + '&'
else if (i < Length(Str)) and (Str[i] = #13) and (Str[i + 1] = #10) then
Result := Result + '&#10'
else if Str[i] = '"' then
Result := Result + '&quot;'
else if Str[i] = '<' then
Result := Result + '&lt;'
else if Str[i] = '>' then
Result := Result + '&gt;'
else if (Str[i] <> #10) then
Result := Result + Str[i]
end;
end;
procedure TfrxXMLExport.ExportPage(Stream: TStream);
var
i, x, y, dx, dy, fx, fy, Page: Integer;
s: WideString;
sb, si, su: String;
dcol, drow: Extended;
Vert, Horiz: String;
obj: TfrxIEMObject;
EStyle: TfrxIEMStyle;
St: String;
PageBreak: TStringList;
function IsDigits(const Str: String): Boolean;
var
i: Integer;
begin
Result := True;
for i := 1 to Length(Str) do
if not((AnsiChar(Str[i]) in ['0'..'9', ',' ,'.' ,'-', ' ', '<27>']) or (Ord(Str[i]) = 160)) then
begin
Result := False;
break;
end;
end;
procedure WriteExpLn(const str: String);
begin
if Length(str) > 0 then
Stream.Write(str[1], Length(str));
Stream.Write(#13#10, 2);
end;
procedure AlignFR2AlignExcel(HAlign: TfrxHAlign; VAlign: TfrxVAlign;
var AlignH, AlignV: String);
begin
if HAlign = haLeft then
AlignH := 'Left'
else if HAlign = haRight then
AlignH := 'Right'
else if HAlign = haCenter then
AlignH := 'Center'
else if HAlign = haBlock then
AlignH := 'Justify'
else
AlignH := '';
if VAlign = vaTop then
AlignV := 'Top'
else if VAlign = vaBottom then
AlignV := 'Bottom'
else if VAlign = vaCenter then
AlignV := 'Center'
else
AlignV := '';
end;
function ConvertFormat(const fstr: string): string;
var
err, p : integer;
s: string;
begin
result := '';
s := '';
if length(fstr)>0 then
begin
p := pos('.', fstr);
if p > 0 then
begin
s := Copy(fstr, p+1, length(fstr)-p-1);
val(s, p ,err);
SetLength(s, p);
if p>0 then
begin
FillChar(s[1], p, '0');
s:='.' + s;
end;
end;
case fstr[length(fstr)] of
'n': result := '#,##0' + s;
'f': result := '0' + s;
'g': result := '0.##';
'm': result := '#,##0.00';
// 'm': result := '#,##0.00&quot<6F>.;&quot;';
else
result := '#,##0.00';
end;
end;
end;
begin
PageBreak := TStringList.Create;
try
if FShowProgress then
begin
FProgress := TfrxProgress.Create(nil);
FProgress.Execute(FMatrix.PagesCount, 'Exporting pages', True, True);
end;
WriteExpLn('<?xml version="1.0"?>');
WriteExpLn('<?mso-application progid="Excel.Sheet"?>');
WriteExpLn('<?fr-application created="' + UTF8Encode(FCreator) + '"?>');
WriteExpLn('<?fr-application homesite="http://www.fast-report.com"?>');
WriteExpLn('<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet"');
WriteExpLn(' xmlns:o="urn:schemas-microsoft-com:office:office"');
WriteExpLn(' xmlns:x="urn:schemas-microsoft-com:office:excel"');
WriteExpLn(' xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"');
WriteExpLn(' xmlns:html="http://www.w3.org/TR/REC-html40">');
WriteExpLn('<DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">');
WriteExpLn('<Title>' + UTF8Encode(Report.ReportOptions.Name) + '</Title>');
WriteExpLn('<Author>' + UTF8Encode(Report.ReportOptions.Author) + '</Author>');
WriteExpLn('<Created>' + DateToStr(Date) + 'T' + TimeToStr(Time) + 'Z</Created>');
WriteExpLn('<Version>' + UTF8Encode(Report.ReportOptions.VersionMajor) + '.' +
UTF8Encode(Report.ReportOptions.VersionMinor) + '.' +
UTF8Encode(Report.ReportOptions.VersionRelease) + '.' +
UTF8Encode(Report.ReportOptions.VersionBuild) + '</Version>');
WriteExpLn('</DocumentProperties>');
WriteExpLn('<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">');
WriteExpLn('<ProtectStructure>False</ProtectStructure>');
WriteExpLn('<ProtectWindows>False</ProtectWindows>');
WriteExpLn('</ExcelWorkbook>');
if FExportStyles then
begin
WriteExpLn('<Styles>');
for x := 0 to FMatrix.StylesCount - 1 do
begin
EStyle := FMatrix.GetStyleById(x);
s := 's' + IntToStr(x);
WriteExpLn('<Style ss:ID="'+s+'">');
if fsBold in EStyle.Font.Style then
sb := ' ss:Bold="1"'
else
sb := '';
if fsItalic in EStyle.Font.Style then
si := ' ss:Italic="1"'
else
si := '';
if fsUnderline in EStyle.Font.Style then
su := ' ss:Underline="Single"'
else
su := '';
WriteExpLn('<Font '+
'ss:FontName="' + EStyle.Font.Name + '" '+
'ss:Size="' + IntToStr(EStyle.Font.Size) + '" ' +
'ss:Color="' + HTMLRGBColor(EStyle.Font.Color) + '"' + sb + si + su + '/>');
WriteExpLn('<Interior ss:Color="' + HTMLRGBColor(EStyle.Color) +
'" ss:Pattern="Solid"/>');
AlignFR2AlignExcel(EStyle.HAlign, EStyle.VAlign, Horiz, Vert);
if (EStyle.Rotation > 0) and (EStyle.Rotation <= 90) then
s := 'ss:Rotate="' + IntToStr(EStyle.Rotation) + '"'
else if (EStyle.Rotation < 360) and (EStyle.Rotation >= 270) then
s := 'ss:Rotate="' + IntToStr(EStyle.Rotation - 360) + '"'
else
s := '';
si := '" ss:WrapText="1" ';
WriteExpLn('<Alignment ss:Horizontal="' + Horiz + '" ss:Vertical="' + Vert + si + s +'/>');
WriteExpLn('<Borders>');
if EStyle.FrameWidth > 1 then
i := 3
else
i := 1;
s := 'ss:Weight="' + IntToStr(i) + '" ';
si := 'ss:Color="' + HTMLRGBColor(EStyle.FrameColor) + '" ';
if (ftLeft in EStyle.FrameTyp) then
WriteExpLn('<Border ss:Position="Left" ss:LineStyle="Continuous" ' + s + si + '/>');
if (ftRight in EStyle.FrameTyp) then
WriteExpLn('<Border ss:Position="Right" ss:LineStyle="Continuous" ' + s + si + '/>');
if (ftTop in EStyle.FrameTyp) then
WriteExpLn('<Border ss:Position="Top" ss:LineStyle="Continuous" ' + s + si + '/>');
if (ftBottom in EStyle.FrameTyp) then
WriteExpLn('<Border ss:Position="Bottom" ss:LineStyle="Continuous" ' + s + si + '/>');
WriteExpLn('</Borders>');
if (EStyle.DisplayFormat.Kind = fkNumeric) and
(EStyle.DisplayFormat.FormatStr <> '') and
(EStyle.DisplayFormat.FormatStr <> '%2.2n') and
(EStyle.DisplayFormat.FormatStr <> '') then
WriteExpLn('<NumberFormat ss:Format="' + UTF8Encode(ConVertFormat(EStyle.DisplayFormat.FormatStr)) + '"/>');
WriteExpLn('</Style>');
end;
WriteExpLn('</Styles>');
end;
s := 'Page 1';
WriteExpLn('<Worksheet ss:Name="' + UTF8Encode(s) + '">');
WriteExpLn('<Table ss:ExpandedColumnCount="' + IntToStr(FMatrix.Width) + '"' +
' ss:ExpandedRowCount="' + IntToStr(FMatrix.Height) + '" x:FullColumns="1" x:FullRows="1">');
for x := 1 to FMatrix.Width - 1 do
begin
dcol := (FMatrix.GetXPosById(x) - FMatrix.GetXPosById(x - 1)) / Xdivider;
WriteExpLn('<Column ss:AutoFitWidth="0" ss:Width="' +
frFloat2Str(dcol, 2) + '"/>');
end;
st := '';
Page := 0;
for y := 0 to FMatrix.Height - 2 do
begin
drow := (FMatrix.GetYPosById(y + 1) - FMatrix.GetYPosById(y)) / Ydivider;
WriteExpLn('<Row ss:Height="' + frFloat2Str(drow, 2) + '">');
if FMatrix.PagesCount > Page then
if FMatrix.GetYPosById(y) >= FMatrix.GetPageBreak(Page) then
begin
Inc(Page);
PageBreak.Add(IntToStr(y + 1));
if FShowProgress then
begin
FProgress.Tick;
if FProgress.Terminated then
break;
end;
end;
for x := 0 to FMatrix.Width - 1 do
begin
if FShowProgress then
if FProgress.Terminated then
break;
si := ' ss:Index="' + IntToStr(x + 1) + '" ';
i := FMatrix.GetCell(x, y);
if (i <> -1) then
begin
Obj := FMatrix.GetObjectById(i);
if Obj.Counter = 0 then
begin
FMatrix.GetObjectPos(i, fx, fy, dx, dy);
Obj.Counter := 1;
if Obj.IsText then
begin
if dx > 1 then
begin
s := 'ss:MergeAcross="' + IntToStr(dx - 1) + '" ';
Inc(dx);
end
else
s := '';
if dy > 1 then
sb := 'ss:MergeDown="' + IntToStr(dy - 1) + '" '
else
sb := '';
if FExportStyles then
st := 'ss:StyleID="' + 's' + IntToStr(Obj.StyleIndex) + '" '
else
st := '';
WriteExpLn('<Cell' + si + s + sb + st + '>');
s := TruncReturns(Obj.Memo.Text);
if (Obj.Style.DisplayFormat.Kind = fkNumeric) and IsDigits(s) then
begin
s := StringReplace(s, ThousandSeparator, '', [rfReplaceAll]);
s := StringReplace(s, CurrencyString, '', [rfReplaceAll]);
if Obj.Style.DisplayFormat.DecimalSeparator <> '' then
s := StringReplace(s, Obj.Style.DisplayFormat.DecimalSeparator, '.', [rfReplaceAll])
else
s := StringReplace(s, DecimalSeparator, '.', [rfReplaceAll]);
s := Trim(s);
si := ' ss:Type="Number"';
WriteExpLn('<Data' + si + '>' + UTF8Encode(s) + '</Data>');
end
else
begin
si := ' ss:Type="String"';
s := ChangeReturns(UTF8Encode(s));
WriteExpLn('<Data' + si + '>' + s + '</Data>');
end;
WriteExpLn('</Cell>');
end;
end
end
else
WriteExpLn('<Cell' + si + '/>');
end;
WriteExpLn('</Row>');
end;
WriteExpLn('</Table>');
WriteExpLn('<WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">');
WriteExpLn('<PageSetup>');
if FPageOrientation = poLandscape then
WriteExpLn('<Layout x:Orientation="Landscape"/>');
WriteExpLn('<PageMargins x:Bottom="' + frFloat2Str(FPageBottom / MargDiv, 2) +
'" x:Left="' + frFloat2Str(FPageLeft / MargDiv, 2) +
'" x:Right="' + frFloat2Str(FPageRight / MargDiv, 2) +
'" x:Top="' + frFloat2Str(FPageTop / MargDiv, 2) + '"/>');
WriteExpLn('</PageSetup>');
WriteExpLn('</WorksheetOptions>');
if FExportPageBreaks then
begin
WriteExpLn('<PageBreaks xmlns="urn:schemas-microsoft-com:office:excel">');
WriteExpLn('<RowBreaks>');
for i := 0 to FMatrix.PagesCount - 2 do
begin
WriteExpLn('<RowBreak>');
WriteExpLn('<Row>' + PageBreak[i] + '</Row>');
WriteExpLn('</RowBreak>');
end;
WriteExpLn('</RowBreaks>');
WriteExpLn('</PageBreaks>');
end;
WriteExpLn('</Worksheet>');
WriteExpLn('</Workbook>');
finally
PageBreak.Free;
end;
if FShowProgress then
FProgress.Free;
end;
function TfrxXMLExport.ShowModal: TModalResult;
begin
if not Assigned(Stream) then
begin
with TfrxXMLExportDialog.Create(nil) do
begin
OpenExcelCB.Visible := not SlaveExport;
if SlaveExport then
FOpenExcelAfterExport := False;
if (FileName = '') and (not SlaveExport) then
SaveDialog1.FileName := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(Report.FileName)), SaveDialog1.DefaultExt)
else
SaveDialog1.FileName := FileName;
ContinuousCB.Checked := (not EmptyLines) or SuppressPageHeadersFooters;
PageBreaksCB.Checked := FExportPageBreaks and (not ContinuousCB.Checked);
WCB.Checked := FWysiwyg;
OpenExcelCB.Checked := FOpenExcelAfterExport;
BackgrCB.Checked := FBackground;
if PageNumbers <> '' then
begin
PageNumbersE.Text := PageNumbers;
PageNumbersRB.Checked := True;
end;
Result := ShowModal;
if Result = mrOk then
begin
PageNumbers := '';
CurPage := False;
if CurPageRB.Checked then
CurPage := True
else if PageNumbersRB.Checked then
PageNumbers := PageNumbersE.Text;
FExportPageBreaks := PageBreaksCB.Checked and (not ContinuousCB.Checked);
EmptyLines := not ContinuousCB.Checked;
SuppressPageHeadersFooters := ContinuousCB.Checked;
FWysiwyg := WCB.Checked;
FOpenExcelAfterExport := OpenExcelCB.Checked;
FBackground := BackgrCB.Checked;
if not SlaveExport then
begin
if DefaultPath <> '' then
SaveDialog1.InitialDir := DefaultPath;
if SaveDialog1.Execute then
FileName := SaveDialog1.FileName
else
Result := mrCancel;
end
else
FileName := ChangeFileExt(GetTempFile, SaveDialog1.DefaultExt);
end;
Free;
end;
end else
Result := mrOk;
end;
function TfrxXMLExport.Start: Boolean;
begin
if (FileName <> '') or Assigned(Stream) then
begin
if (ExtractFilePath(FileName) = '') and (DefaultPath <> '') then
FileName := DefaultPath + '\' + FileName;
FFirstPage := True;
FMatrix := TfrxIEMatrix.Create(UseFileCache, Report.EngineOptions.TempDir);
FMatrix.ShowProgress := ShowProgress;
FMatrix.MaxCellHeight := XLMaxHeight * Ydivider;
FMatrix.Background := FBackground and FEmptyLines;
FMatrix.BackgroundImage := False;
FMatrix.Printable := ExportNotPrintable;
FMatrix.RichText := True;
FMatrix.PlainRich := True;
FMatrix.EmptyLines := FEmptyLines;
FExportPageBreaks := FExportPageBreaks and FEmptyLines;
if FWysiwyg then
FMatrix.Inaccuracy := 0.5
else
FMatrix.Inaccuracy := 10;
FMatrix.DeleteHTMLTags := True;
Result := True
end
else
Result := False;
end;
procedure TfrxXMLExport.StartPage(Page: TfrxReportPage; Index: Integer);
begin
if FFirstPage then
begin
FFirstPage := False;
FPageLeft := Page.LeftMargin;
FPageTop := Page.TopMargin;
FPageBottom := Page.BottomMargin;
FPageRight := Page.RightMargin;
FPageOrientation := Page.Orientation;
end;
end;
procedure TfrxXMLExport.ExportObject(Obj: TfrxComponent);
begin
if Obj is TfrxView then
FMatrix.AddObject(TfrxView(Obj));
end;
procedure TfrxXMLExport.FinishPage(Page: TfrxReportPage; Index: Integer);
begin
FMatrix.AddPage(Page.Orientation, Page.Width, Page.Height, Page.LeftMargin,
Page.TopMargin, Page.RightMargin, Page.BottomMargin);
end;
procedure TfrxXMLExport.Finish;
var
Exp: TStream;
Excel: Variant;
begin
FMatrix.Prepare;
try
if Assigned(Stream) then
Exp := Stream
else
Exp := TFileStream.Create(FileName, fmCreate);
try
ExportPage(Exp);
finally
if not Assigned(Stream) then
Exp.Free;
end;
try
if FOpenExcelAfterExport and (not Assigned(Stream)) then
begin
Excel := CreateOLEObject('Excel.Application');
Excel.Visible := True;
Excel.WorkBooks.Open(FileName);
end;
finally
Excel := Unassigned;
end;
except
on e: Exception do
case Report.EngineOptions.NewSilentMode of
simSilent: Report.Errors.Add(e.Message);
simMessageBoxes: frxErrorMsg(e.Message);
simReThrow: raise;
end;
end;
FMatrix.Free;
end;
{ TfrxXMLExportDialog }
procedure TfrxXMLExportDialog.FormCreate(Sender: TObject);
begin
Caption := frxGet(8100);
OkB.Caption := frxGet(1);
CancelB.Caption := frxGet(2);
GroupPageRange.Caption := frxGet(7);
AllRB.Caption := frxGet(3);
CurPageRB.Caption := frxGet(4);
PageNumbersRB.Caption := frxGet(5);
DescrL.Caption := frxGet(9);
GroupQuality.Caption := frxGet(8);
ContinuousCB.Caption := frxGet(8950);
PageBreaksCB.Caption := frxGet(6);
WCB.Caption := frxGet(8102);
BackgrCB.Caption := frxGet(8103);
OpenExcelCB.Caption := frxGet(8104);
SaveDialog1.Filter := frxGet(8105);
SaveDialog1.DefaultExt := frxGet(8106);
if UseRightToLeftAlignment then
FlipChildren(True);
end;
procedure TfrxXMLExportDialog.PageNumbersEChange(Sender: TObject);
begin
PageNumbersRB.Checked := True;
end;
procedure TfrxXMLExportDialog.PageNumbersEKeyPress(Sender: TObject;
var Key: Char);
begin
case key of
'0'..'9':;
#8, '-', ',':;
else
key := #0;
end;
end;
procedure TfrxXMLExportDialog.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_F1 then
frxResources.Help(Self);
end;
end.