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Componentes.Terceros.FastRe.../internal/4.2/1/Source/ExportPack/frxExportHTML.pas
david f2dddaa81b Importación inicial 
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.FastReport@13 475b051d-3a53-6940-addd-820bf0cfe0d7
2007-11-18 19:40:07 +00:00

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{******************************************}
{ }
{ FastReport v4.0 }
{ HTML table export filter }
{ }
{ Copyright (c) 1998-2007 }
{ by Alexander Fediachov, }
{ Fast Reports Inc. }
{ }
{******************************************}
unit frxExportHTML;
interface
{$I frx.inc}
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ExtCtrls, frxClass, JPEG, ShellAPI, frxExportMatrix, frxProgress
{$IFDEF Delphi6}, Variants {$ENDIF}, frxExportImage;
type
TfrxHTMLExportDialog = class(TForm)
SaveDialog1: TSaveDialog;
GroupQuality: TGroupBox;
StylesCB: TCheckBox;
PicsSameCB: TCheckBox;
FixWidthCB: TCheckBox;
NavigatorCB: TCheckBox;
MultipageCB: TCheckBox;
GroupPageRange: TGroupBox;
DescrL: TLabel;
AllRB: TRadioButton;
CurPageRB: TRadioButton;
PageNumbersRB: TRadioButton;
PageNumbersE: TEdit;
OpenAfterCB: TCheckBox;
OkB: TButton;
CancelB: TButton;
BackgrCB: TCheckBox;
PicturesL: TLabel;
PFormatCB: TComboBox;
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;
TfrxHTMLExport = class(TfrxCustomExportFilter)
private
Exp: TStream;
FAbsLinks: Boolean;
FCurrentPage: Integer;
FExportPictures: Boolean;
FExportStyles: Boolean;
FFixedWidth: Boolean;
FMatrix: TfrxIEMatrix;
FMozillaBrowser: Boolean;
FMultipage: Boolean;
FNavigator: Boolean;
FOpenAfterExport: Boolean;
FPicsInSameFolder: Boolean;
FPicturesCount: Integer;
FProgress: TfrxProgress;
FUseJpeg: Boolean;
FServer: Boolean;
FPrintLink: String;
FRefreshLink: String;
FBackground: Boolean;
FBackImage: TBitmap;
FBackImageExist: Boolean;
FReportPath: String;
FUseGif: Boolean;
FCentered: Boolean;
FEmptyLines: Boolean;
procedure WriteExpLn(const str: String);
procedure ExportPage;
function ChangeReturns(const Str: String): String;
function TruncReturns(const Str: WideString): WideString;
function GetPicsFolder: String;
function GetPicsFolderRel: String;
function GetFrameFolder: String;
function ReverseSlash(const S: String): String;
function HTMLCodeStr(const Str: String): String;
procedure SetUseGif(const Value: Boolean);
procedure SetUseJpeg(const Value: Boolean);
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; 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;
class function GetDescription: String; override;
property Server: Boolean read FServer write FServer;
property PrintLink: String read FPrintLink write FPrintLink;
property RefreshLink: String read FRefreshLink write FRefreshLink;
property ReportPath: String read FReportPath write FReportPath;
published
property OpenAfterExport: Boolean read FOpenAfterExport write FOpenAfterExport default False;
property FixedWidth: Boolean read FFixedWidth write FFixedWidth default False;
property ExportPictures: Boolean read FExportPictures write FExportPictures default True;
property PicsInSameFolder: Boolean read FPicsInSameFolder write FPicsInSameFolder default False;
property ExportStyles: Boolean read FExportStyles write FExportStyles default True;
property Navigator: Boolean read FNavigator write FNavigator default False;
property Multipage: Boolean read FMultipage write FMultipage default False;
property MozillaFrames: Boolean read FMozillaBrowser write FMozillaBrowser default False;
property UseJpeg: Boolean read FUseJpeg write SetUseJpeg default True;
property UseGif: Boolean read FUseGif write SetUseGif default False;
property AbsLinks: Boolean read FAbsLinks write FAbsLinks default False;
property Background: Boolean read FBackground write FBackground;
property Centered: Boolean read FCentered write FCentered;
property EmptyLines: Boolean read FEmptyLines write FEmptyLines;
end;
implementation
uses frxUtils, frxFileUtils, frxUnicodeUtils, frxRes, frxrcExports, Math;
{$R *.dfm}
const
Xdivider = 1;
Ydivider = 1.03;
Navigator_src =
'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">'#13#10 +
'<html><head>' +
'<meta http-equiv="Content-Type" content="text/html; charset=utf-8">' +
'<meta name=Generator content="FastReport 4.0 http://www.fast-report.com">' +
'<title></title><style type="text/css"><!--'#13#10 +
'body { font-family: Tahoma; font-size: 8px; font-weight: bold; font-style: normal; text-align: center; vertical-align: middle; }'#13#10 +
'input {text-align: center}'#13#10 +
'.nav { font : 9pt Tahoma; color : #283e66; font-weight : bold; text-decoration : none;}'#13#10 +
'--></style><script language="javascript" type="text/javascript"><!--'#13#10 +
' var frPgCnt = %s; var frRepName = "%s"; var frMultipage = %s; var frPrefix="%s";'#13#10 +
' function DoPage(PgN) {'#13#10 +
' if ((PgN > 0) && (PgN <= frPgCnt) && (PgN != parent.frCurPage)) {'#13#10 +
' if (frMultipage > 0) parent.mainFrame.location = frPrefix + PgN + ".html";'#13#10 +
' else parent.mainFrame.location = frPrefix + "main.html#PageN" + PgN;'#13#10 +
' UpdateNav(PgN); } else document.PgForm.PgEdit.value = parent.frCurPage; }'#13#10 +
' function UpdateNav(PgN) {'#13#10 +
' parent.frCurPage = PgN; document.PgForm.PgEdit.value = PgN;'#13#10 +
' if (PgN == 1) { document.PgForm.bFirst.disabled = 1; document.PgForm.bPrev.disabled = 1; }'#13#10 +
' else { document.PgForm.bFirst.disabled = 0; document.PgForm.bPrev.disabled = 0; }'#13#10 +
' if (PgN == frPgCnt) { document.PgForm.bNext.disabled = 1; document.PgForm.bLast.disabled = 1; }'#13#10 +
' else { document.PgForm.bNext.disabled = 0; document.PgForm.bLast.disabled = 0; } }'#13#10 +
' function RefreshRep() { %s }'#13#10 +
' function PrintRep() { %s }'#13#10 +
'--></script></head>'#13#10 +
'<body bgcolor="#DDDDDD" text="#000000" leftmargin="0" topmargin="4" onload="UpdateNav(parent.frCurPage)">'#13#10 +
'<form name="PgForm" onsubmit="DoPage(document.forms[0].PgEdit.value); return false;" action="">'#13#10 +
'<table cellspacing="0" align="left" cellpadding="0" border="0" width="100%%">'#13#10 +
'<tr valign="middle">'#13#10 +
'<td width="60" align="center"><button name="bFirst" class="nav" type="button" onclick="DoPage(1); return false;">%s</button></td>'#13#10 +
'<td width="60" align="center"><button name="bPrev" class="nav" type="button" onclick="DoPage(Math.max(parent.frCurPage - 1, 1)); return false;">%s</button></td>'#13#10 +
'<td width="100" align="center"><input type="text" class="nav" name="PgEdit" value="parent.frCurPage" size="4"></td>'#13#10 +
'<td width="60" align="center"><button name="bNext" class="nav" type="button" onclick="DoPage(parent.frCurPage + 1); return false;">%s</button></td>'#13#10 +
'<td width="60" align="center"><button name="bLast" class="nav" type="button" onclick="DoPage(frPgCnt); return false;">%s</button></td>'#13#10 +
'<td width="20">&nbsp;</td>'#13#10'%s' +
'<td align="right">%s: <script language="javascript" type="text/javascript"> document.write(frPgCnt);</script></td>'#13#10 +
'<td width="10">&nbsp;</td>'#13#10 +
'</tr></table></form></body></html>';
Server_sect =
'<td width="60" align="center"><button name="bRefresh" class="nav" type="button" onclick="RefreshRep(); return false;">%s</button></td>'#13#10 +
'<td width="60" align="center"><button name="bPrint" class="nav" type="button" onclick="PrintRep(); return false;">%s</button></td>'#13#10;
DefPrint = 'parent.mainFrame.focus(); parent.mainFrame.print();';
LinkPrint = 'parent.location = "%s";';
DefRefresh = 'parent.location = "result?report=" + frRepName + "&multipage=" + frMultipage;';
LinkRefresh = 'parent.location = "%s";';
{ TfrxHTMLExport }
constructor TfrxHTMLExport.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FExportPictures := True;
FExportStyles := True;
FFixedWidth := True;
FUseJpeg := True;
FUseGif := False;
FServer := False;
FPrintLink := '';
FBackground := False;
FCentered := False;
FBackImage := TBitmap.Create;
FilterDesc := frxGet(8210);
DefaultExt := frxGet(8211);
FEmptyLines := True;
end;
class function TfrxHTMLExport.GetDescription: String;
begin
Result := frxResources.Get('HTMLexport');
end;
function TfrxHTMLExport.TruncReturns(const Str: WideString): WideString;
begin
if Copy(Str, Length(Str) - 1, 2) = #13#10 then
Result := Copy(Str, 1, Length(Str) - 2)
else
Result := Str;
end;
function TfrxHTMLExport.ChangeReturns(const Str: String): String;
var
i: Integer;
begin
Result := '';
for i := 1 to Length(Str) do
begin
if Str[i] = '&' then
Result := Result + '&amp;'
else if (i < Length(Str)) and (Str[i] = #13) and (Str[i + 1] = #10) then
Result := Result + '<br>'
else if Str[i] = '"' then
Result := Result + '&quot;'
else if (Str[i] <> #10) then
Result := Result + Str[i]
end;
end;
procedure TfrxHTMLExport.WriteExpLn(const str: String);
begin
if Length(str) > 0 then
begin
Exp.Write(str[1], Length(str));
Exp.Write(#13#10, 2);
end;
end;
procedure TfrxHTMLExport.ExportPage;
var
i, x, y, dx, dy, fx, fy, pbk: Integer;
dcol, drow: Integer;
text, s, s1, sb, si, su: String;
Vert, Horiz: String;
obj: TfrxIEMObject;
EStyle: TfrxIEMStyle;
St, buff: String;
hlink, newpage: Boolean;
jpg : TJPEGImage;
tableheader, columnWidths: String;
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 := 'Middle'
else
AlignV := '';
end;
begin
WriteExpLn('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">');
WriteExpLn('<html><head>');
WriteExpLn('<meta http-equiv="Content-Type" content="text/html; charset=utf-8">');
WriteExpLn('<meta name=Generator content="FastReport 4.0 http://www.fast-report.com">');
if Length(Report.ReportOptions.Name) > 0 then
s := Report.ReportOptions.Name
else
s := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(Report.FileName)), '');
WriteExpLn('<title>' + UTF8Encode(s) + '</title>');
if FExportStyles then
begin
WriteExpLn('<style type="text/css"><!-- ');
WriteExpLn('.page_break {page-break-before: always;}');
for x := 0 to FMatrix.StylesCount - 1 do
begin
EStyle := FMatrix.GetStyleById(x);
s := 's' + IntToStr(x);
WriteExpLn('.' + s + ' {');
if Assigned(EStyle.Font) then
begin
su := '';
sb := '';
si := '';
if fsBold in EStyle.Font.Style then
sb := ' font-weight: bold;'
else
sb := '';
if fsItalic in EStyle.Font.Style then
si := ' font-style: italic;'
else
si := ' font-style: normal;';
if fsUnderline in EStyle.Font.Style then
su := ' text-decoration: underline';
if fsStrikeout in EStyle.Font.Style then
begin
if su = '' then
su := ' text-decoration: line-through'
else
su := su + ' | line-through';
end;
if su <> '' then
su := su + ';';
WriteExpLn(' font-family: ' + EStyle.Font.Name + ';'#13#10 +
' font-size: ' + IntToStr(Round(EStyle.Font.Size * 96 / 72)) + 'px;'#13#10 +
' color: ' + HTMLRGBColor(EStyle.Font.Color) + ';' + sb + si + su);
end;
if EStyle.Color = clNone then
WriteExpLn(' background-color: transparent;')
else
WriteExpLn(' background-color: ' + HTMLRGBColor(EStyle.Color) + ';');
AlignFR2AlignExcel(EStyle.HAlign, EStyle.VAlign, Horiz, Vert);
if EStyle.FrameTyp <> [] then
begin
su := IntToStr(Round(EStyle.FrameWidth));
s := HTMLRGBColor(EStyle.FrameColor);
si := ' border-color:' + s + ';';
WriteExpLn(si + ' border-style: solid;');
if (ftLeft in EStyle.FrameTyp) then
WriteExpLn(' border-left-width: ' + su + ';')
else
WriteExpLn(' border-left-width: 0px;');
if (ftRight in EStyle.FrameTyp) then
WriteExpLn(' border-right-width: ' + su + ';')
else
WriteExpLn(' border-right-width: 0px;');
if (ftTop in EStyle.FrameTyp) then
WriteExpLn(' border-top-width: ' + su + ';')
else
WriteExpLn(' border-top-width: 0px;');
if (ftBottom in EStyle.FrameTyp) then
WriteExpLn(' border-bottom-width: ' + su + ';')
else
WriteExpLn(' border-bottom-width: 0px;');
end;
WriteExpLn(' text-align: ' + Horiz + '; vertical-align: ' + Vert +';');
WriteExpLn('}');
end;
WriteExpLn('--></style>');
end;
WriteExpLn('</head>');
WriteExpLn('<body');
if FBackImageExist and FExportPictures then
begin
if FUseJpeg then
begin
s := GetPicsFolder + 'backgrnd.jpg';
s1 := ExtractFilePath(s);
if (s1 = ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files\')) or (s1 = '') then
s := ExtractFilePath(filename) + s;
jpg := TJPEGImage.Create;
jpg.Assign(FBackImage);
jpg.SaveToFile(s);
jpg.Free;
s := ReverseSlash(GetPicsFolderRel + 'backgrnd.jpg');
end else
if FUseGif then
begin
s := GetPicsFolder + 'backgrnd.gif';
s1 := ExtractFilePath(s);
if (s1 = ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files\')) or (s1 = '') then
s := ExtractFilePath(filename) + s;
GIFSaveToFile(s, FBackImage);
s := ReverseSlash(GetPicsFolderRel + 'backgrnd.gif');
end else
begin
s := GetPicsFolder + 'backgrnd.bmp';
if (ExtractFilePath(s) = ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files\')) or
(ExtractFilePath(s) = '') then
s := ExtractFilePath(filename) + s;
FBackImage.SaveToFile(s);
s := ReverseSlash(GetPicsFolderRel + 'backgrnd.bmp');
end;
WriteExpLn(' background="' + s + '"');
end;
WriteExpLn(' bgcolor="#FFFFFF" text="#000000">');
WriteExpLn('<a name="PageN1"></a>');
if FFixedWidth then
st := ' width="' + IntToStr(Round((FMatrix.MaxWidth - FMatrix.Left) / Xdivider)) + '"'
else
st := '';
if FCentered then
st := st + ' align="center"';
tableheader := '<table' + st +' border="0" cellspacing="0" cellpadding="0"';
WriteExpLn(tableheader + '>');
columnWidths := '<tr style="height: 1px">';
for x := 0 to FMatrix.Width - 2 do
begin
dcol := Round((FMatrix.GetXPosById(x + 1) - FMatrix.GetXPosById(x)) / Xdivider);
columnWidths := columnWidths + '<td width="' + IntToStr(dcol) + '"/>';
end;
if FMatrix.Width < 2 then
columnWidths := columnWidths + '<td/>';
columnWidths := columnWidths + '</tr>';
WriteExpLn(columnWidths);
pbk := 0;
st := '';
newpage := False;
for y := 0 to FMatrix.Height - 2 do
begin
if ShowProgress and (not FMultipage) then
if FProgress.Terminated then
break;
drow := Round((FMatrix.GetYPosById(y + 1) - FMatrix.GetYPosById(y)) / Ydivider);
s := '';
if FMatrix.PagesCount > pbk then
if Round(FMatrix.GetPageBreak(pbk)) <= Round(FMatrix.GetYPosById(y + 1)) then
begin
Inc(pbk);
if ShowProgress and (not FMultipage) then
FProgress.Tick;
newpage := True;
end;
if drow = 0 then
drow := 1;
WriteExpLn('<tr style="height:' + IntToStr(drow) + 'px">');
buff := '';
for x := 0 to FMatrix.Width - 2 do
begin
if ShowProgress and (not FMultipage) then
if FProgress.Terminated then
break;
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 dx > 1 then
s := ' colspan="' + IntToStr(dx) + '"'
else
s := '';
if dy > 1 then
sb := ' rowspan="' + IntToStr(dy) + '"'
else
sb := '';
if FExportStyles then
st := ' class="' + 's' + IntToStr(Obj.StyleIndex) + '"'
else
st := '';
if Length(Trim(Obj.Memo.Text)) = 0 then
st := st + ' style="font-size:1px"';
buff := buff + '<td' + s + sb + st + '>';
if Length(Obj.URL) > 0 then
begin
if Obj.URL[1] = '@' then
if FMultipage then
begin
Obj.URL := StringReplace(Obj.URL, '@', '', []);
Obj.URL := ReverseSlash(GetPicsFolderRel + Trim(Obj.URL) + '.html')
end
else
Obj.URL := StringReplace(Obj.URL, '@', '#PageN', []);
buff := buff + '<a href="' + Obj.URL + '">';
hlink := True;
end
else
hlink := False;
if Obj.IsText then
begin
text := Trim(ChangeReturns(UTF8Encode(TruncReturns(Obj.Memo.Text))));
if Length(text) > 0 then
buff := buff + text
else
buff := buff + '&nbsp;';
end else
if Obj.Image <> nil then
begin
if FUseJpeg then
begin
s := GetPicsFolder + 'img' + IntToStr(FPicturesCount) + '.jpg';
s1 := ExtractFilePath(s);
if (s1 = ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files\')) or (s1 = '') then
s := ExtractFilePath(filename) + s;
jpg := TJPEGImage.Create;
jpg.Assign(Obj.Image);
jpg.SaveToFile(s);
jpg.Free;
s := ReverseSlash(GetPicsFolderRel + 'img' + IntToStr(FPicturesCount) + '.jpg');
end else
if FUseGif then
begin
s := GetPicsFolder + 'img' + IntToStr(FPicturesCount) + '.gif';
s1 := ExtractFilePath(s);
if (s1 = ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files\')) or (s1 = '') then
s := ExtractFilePath(filename) + s;
GIFSaveToFile(s, Obj.Image);
s := ReverseSlash(GetPicsFolderRel + 'img' + IntToStr(FPicturesCount) + '.gif');
end else
begin
s := GetPicsFolder + 'img' + IntToStr(FPicturesCount) + '.bmp';
s1 := ExtractFilePath(s);
if (s1 = ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files\')) or
(s1 = '') then
s := ExtractFilePath(filename) + s;
Obj.Image.SaveToFile(s);
s := ReverseSlash(GetPicsFolderRel + 'img' + IntToStr(FPicturesCount) + '.bmp');
end;
buff := buff + '<img src="' + s + '" width="' + IntToStr(Obj.Image.Width) +
'" height="' + IntToStr(Obj.Image.Height) + '" alt="">';
Inc(FPicturesCount);
end;
if hlink then
buff := buff + '</a>';
buff := buff + '</td>';
end;
end
else
buff := buff + '<td/>';
end;
WriteExpLn(buff);
WriteExpLn('</tr>');
if newpage then
begin
WriteExpLn('</table>');
newpage := False;
if y < FMatrix.Height - 2 then
begin
WriteExpLn('<a name="PageN' + IntToStr(pbk + 1) + '"></a>');
WriteExpLn(tableheader + ' class="page_break">');
WriteExpLn(columnWidths);
end;
end;
end;
if FMultipage or (FMatrix.Height < 2) then
WriteExpLn('</table>');
WriteExpLn('</body></html>');
end;
function TfrxHTMLExport.ShowModal: TModalResult;
begin
if not Assigned(Stream) then
begin
with TfrxHTMLExportDialog.Create(nil) do
begin
SendMessage(GetWindow(PFormatCB.Handle,GW_CHILD), EM_SETREADONLY, 1, 0);
OpenAfterCB.Visible := not SlaveExport;
PFormatCB.Enabled := not SlaveExport;
MultipageCB.Enabled := not SlaveExport;
BackgrCB.Enabled := not SlaveExport;
NavigatorCB.Enabled := not SlaveExport;
PicsSameCB.Enabled := not SlaveExport;
if SlaveExport then
begin
FOpenAfterExport := False;
FExportPictures := False;
FPicsInSameFolder := True;
FNavigator := False;
FMultipage := False;
FBackground := False;
end;
if (FileName = '') and (not SlaveExport) then
SaveDialog1.FileName := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(Report.FileName)), SaveDialog1.DefaultExt)
else
SaveDialog1.FileName := FileName;
StylesCB.Checked := FExportStyles;
PicsSameCB.Checked := FPicsInSameFolder;
if not FExportPictures then
PFormatCB.ItemIndex := 0
else
begin
if FUseJpeg then
PFormatCB.ItemIndex := 1
else if FUseGif then
PFormatCB.ItemIndex := 3
else
PFormatCB.ItemIndex := 2
end;
OpenAfterCB.Checked := FOpenAfterExport;
FixWidthCB.Checked := FFixedWidth;
NavigatorCB.Checked := FNavigator;
MultipageCB.Checked := FMultipage;
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;
FExportStyles := StylesCB.Checked;
FPicsInSameFolder := PicsSameCB.Checked;
FExportPictures := not (PFormatCB.ItemIndex = 0);
FUseJpeg := PFormatCB.ItemIndex = 1;
FUseGif := PFormatCB.ItemIndex = 3;
FOpenAfterExport := OpenAfterCB.Checked;
FFixedWidth := FixWidthCB.Checked;
FMultipage := MultipageCB.Checked;
FNavigator := NavigatorCB.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 TfrxHTMLExport.Start: Boolean;
begin
if SlaveExport then
begin
FOpenAfterExport := False;
FExportPictures := False;
FPicsInSameFolder := True;
FNavigator := False;
FMultipage := False;
FBackground := False;
end;
if (FileName <> '') or Assigned(Stream) then
begin
if (ExtractFilePath(FileName) = '') and (DefaultPath <> '') then
FileName := DefaultPath + '\' + FileName;
FCurrentPage := 0;
FPicturesCount := 0;
FMatrix := TfrxIEMatrix.Create(UseFileCache, Report.EngineOptions.TempDir);
FMatrix.Report := Report;
if not FMultipage then
FMatrix.ShowProgress := ShowProgress
else
FMatrix.ShowProgress := False;
FMatrix.Inaccuracy := 0.5;
FMatrix.RotatedAsImage := True;
FMatrix.FramesOptimization := True;
FMatrix.Background := FBackground;
FMatrix.BackgroundImage := False;
FMatrix.Printable := ExportNotPrintable;
FMatrix.RichText := True;
FMatrix.PlainRich := True;
FMatrix.EmptyLines := EmptyLines;
if Assigned(Stream) then
begin
FMultipage := False;
FExportPictures := False;
FNavigator := False;
end;
Result := True
end
else
Result := False;
end;
procedure TfrxHTMLExport.StartPage(Page: TfrxReportPage; Index: Integer);
begin
Inc(FCurrentPage);
FBackImageExist := False;
FBackImage.Width := 0;
FBackImage.Height := 0;
end;
procedure TfrxHTMLExport.ExportObject(Obj: TfrxComponent);
begin
if (Obj is TfrxView) and (ExportNotPrintable or TfrxView(Obj).Printable) then
begin
if (Obj is TfrxCustomMemoView) or
(FExportPictures and (not (Obj is TfrxCustomMemoView))) then
FMatrix.AddObject(TfrxView(Obj));
if (TfrxView(Obj).Name = '_pagebackground') and FExportPictures and FBackground then
begin
FBackImageExist := True;
FBackImage.Width := Round(TfrxView(Obj).Width);
FBackImage.Height := Round(TfrxView(Obj).Height);
TfrxView(Obj).Draw(FBackImage.Canvas ,1, 1, -TfrxView(Obj).AbsLeft, -TfrxView(Obj).AbsTop);
end;
end;
end;
procedure TfrxHTMLExport.FinishPage(Page: TfrxReportPage; Index: Integer);
begin
if FMultipage then
begin
FMatrix.Prepare;
try
Exp := TFileStream.Create(GetPicsFolder + IntToStr(FCurrentPage) + '.html', fmCreate);
try
ExportPage;
finally
FMatrix.Clear;
Exp.Free;
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;
end
else FMatrix.AddPage(Page.Orientation, Page.Width, Page.Height, Page.LeftMargin,
Page.TopMargin, Page.RightMargin, Page.BottomMargin);
end;
procedure TfrxHTMLExport.Finish;
var
s, st, serv, print: String;
Refresh: String;
begin
if not FMultipage then
begin
if ShowProgress then
begin
FProgress := TfrxProgress.Create(Self);
FProgress.Execute(FCurrentPage - 1, frxResources.Get('ProgressWait'), true, true);
end;
FMatrix.Prepare;
try
if ShowProgress then
if FProgress.Terminated then
Exit;
if not Assigned(Stream) then
begin
if FNavigator then
Exp := TFileStream.Create(GetPicsFolder + 'main.html', fmCreate)
else
Exp := TFileStream.Create(FileName, fmCreate);
end
else
Exp := Stream;
try
ExportPage;
finally
FMatrix.Clear;
if not Assigned(Stream) then
Exp.Free;
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;
if ShowProgress then
FProgress.Free;
end;
if FNavigator then
begin
try
Exp := TFileStream.Create(GetPicsFolder + 'nav.html', fmCreate);
try
if FMultipage then
s := '1'
else
s := '0';
st := '';
if FPicsInSameFolder then
st := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.');
if FServer then
serv := Format(Server_sect, [UTF8Encode(frxResources.Get('HTMLNavRefresh')), UTF8Encode(frxResources.Get('HTMLNavPrint'))])
else
serv := '';
if Length(FPrintLink) > 0 then
print := Format(LinkPrint, [FPrintLink])
else
print := DefPrint;
if Length(FRefreshLink) > 0 then
refresh := Format(LinkRefresh, [FRefreshLink])
else
refresh := DefRefresh;
WriteExpLn(Format(Navigator_src, [
IntToStr(FCurrentPage),
HTMLCodeStr(StringReplace(Report.FileName, FReportPath, '', [])),
s, st, Refresh, print,
UTF8Encode(frxResources.Get('HTMLNavFirst')),
UTF8Encode(frxResources.Get('HTMLNavPrev')),
UTF8Encode(frxResources.Get('HTMLNavNext')),
UTF8Encode(frxResources.Get('HTMLNavLast')),
serv, UTF8Encode(frxResources.Get('HTMLNavTotal'))]));
finally
Exp.Free;
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;
try
Exp := TFileStream.Create(FileName, fmCreate);
try
WriteExpLn('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">');
WriteExpLn('<html><head>');
if Length(Report.ReportOptions.Name) > 0 then
s := Report.ReportOptions.Name
else
s := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(Report.FileName)), '');
WriteExpLn('<title>' + UTF8Encode(s) + '</title>');
WriteExpLn('<meta http-equiv="Content-Type" content="text/html; charset=utf-8">');
WriteExpLn('<script language="javascript" type="text/javascript"> var frCurPage = 1;</script></head>');
WriteExpLn('<frameset rows="32,*" cols="*">');
WriteExpLn('<frame name="topFrame" src="' + ReverseSlash(GetFrameFolder) + 'nav.html" noresize scrolling="no">');
if FMultipage then
WriteExpLn('<frame name="mainFrame" src="' + ReverseSlash(GetFrameFolder) + '1.html">')
else
WriteExpLn('<frame name="mainFrame" src="' + ReverseSlash(GetFrameFolder) + 'main.html">');
WriteExpLn('</frameset>');
WriteExpLn('</html>');
finally
Exp.Free;
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;
end;
FMatrix.Free;
if FOpenAfterExport and (not Assigned(Stream)) then
if FMultipage and (not FNavigator) then
ShellExecute(GetDesktopWindow, 'open', PChar(GetPicsFolder + '1.html'), nil, nil, SW_SHOW)
else
ShellExecute(GetDesktopWindow, 'open', PChar(FileName), nil, nil, SW_SHOW);
end;
function TfrxHTMLExport.GetPicsFolderRel: String;
begin
if FPicsInSameFolder then
Result := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.')
else if FMultipage then
Result := ''
else if FAbsLinks then
Result := ExtractFilePath(FileName) + ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)),'.files') + '\'
else if FNavigator then
Result := ''
else
Result := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)),'.files') + '\'
end;
function TfrxHTMLExport.GetFrameFolder: String;
begin
if not FPicsInSameFolder then
Result := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)),'.files') + '\'
else
Result := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.');
end;
function TfrxHTMLExport.GetPicsFolder: String;
var
SecAtrtrs: TSecurityAttributes;
begin
if FPicsInSameFolder then
begin
if FAbsLinks then
Result := ExtractFilePath(FileName) + ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.')
else
Result := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.')
end
else
begin
if FAbsLinks then
Result := ExtractFilePath(FileName) + ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files')
else
Result := ChangeFileExt(ExtractFileName(frxUnixPath2WinPath(FileName)), '.files');
SecAtrtrs.nLength := SizeOf(TSecurityAttributes);
SecAtrtrs.lpSecurityDescriptor := nil;
SecAtrtrs.bInheritHandle := True;
CreateDirectory(PChar(Result), @SecAtrtrs);
Result := Result + '\';
end;
end;
function TfrxHTMLExport.ReverseSlash(const S: String): String;
begin
Result := StringReplace(S, '\', '/', [rfReplaceAll]);
end;
destructor TfrxHTMLExport.Destroy;
begin
FBackImage.Free;
inherited;
end;
function TfrxHTMLExport.HTMLCodeStr(const Str: String): String;
var
i: Integer;
c: Char;
s: String;
function StrToHex(const s: String): String;
var
Len, i: Integer;
C, H, L: Byte;
function HexChar(N : Byte) : Char;
begin
if (N < 10) then Result := Chr(Ord('0') + N)
else Result := Chr(Ord('A') + (N - 10));
end;
begin
Len := Length(s);
SetLength(Result, Len shl 1);
for i := 1 to Len do begin
C := Ord(s[i]);
H := (C shr 4) and $f;
L := C and $f;
Result[i shl 1 - 1] := HexChar(H);
Result[i shl 1]:= HexChar(L);
end;
end;
begin
Result := '';
for i := 1 to Length(Str) do
begin
c := Str[i];
case c of
'0'..'9', 'A'..'Z', 'a'..'z': Result := Result + c;
else begin
s := c;
Result := Result + '%' + StrToHex(s);
end
end;
end;
end;
procedure TfrxHTMLExport.SetUseGif(const Value: Boolean);
begin
FUseGif := Value;
if FUseJpeg and FUseGif then
FUseJpeg := False;
end;
procedure TfrxHTMLExport.SetUseJpeg(const Value: Boolean);
begin
FUseJpeg := Value;
if FUseJpeg and FUseGif then
FUseGif := False;
end;
{ TfrxHTMLExportDialog }
procedure TfrxHTMLExportDialog.FormCreate(Sender: TObject);
begin
Caption := frxGet(8200);
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);
OpenAfterCB.Caption := frxGet(8201);
StylesCB.Caption := frxGet(8202);
PicturesL.Caption := frxGet(8203);
PicsSameCB.Caption := frxGet(8204);
FixWidthCB.Caption := frxGet(8205);
NavigatorCB.Caption := frxGet(8206);
MultipageCB.Caption := frxGet(8207);
BackgrCB.Caption := frxGet(8209);
SaveDialog1.Filter := frxGet(8210);
SaveDialog1.DefaultExt := frxGet(8211);
PFormatCB.Items[0] := frxGet(8313);
if UseRightToLeftAlignment then
FlipChildren(True);
end;
procedure TfrxHTMLExportDialog.PageNumbersEChange(Sender: TObject);
begin
PageNumbersRB.Checked := True;
end;
procedure TfrxHTMLExportDialog.PageNumbersEKeyPress(Sender: TObject;
var Key: Char);
begin
case key of
'0'..'9':;
#8, '-', ',':;
else
key := #0;
end;
end;
procedure TfrxHTMLExportDialog.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_F1 then
frxResources.Help(Self);
end;
end.
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