Tecsitel_FactuGES2/Source/GUIBase/uEditorPreview.pas
david 05d73bd406 Editor de previsualización
- Miniaturas
 - Acciones para exportar el informe.


git-svn-id: https://192.168.0.254/svn/Proyectos.Tecsitel_FactuGES2/trunk@180 0c75b7a4-871f-7646-8a2f-f78d34cc349f
2007-12-20 09:59:12 +00:00

443 lines
12 KiB
ObjectPascal

unit uEditorPreview;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, uEditorBase, ImgList, PngImageList, StdActns, ActnList, TBX,
TB2Item, TB2Dock, TB2Toolbar, JvExControls, JvComponent, JvNavigationPane,
TB2ExtItems, TBXExtItems, uViewPreview, frxClass, ComCtrls, frxPreview,
JvFormAutoSize, JvAppStorage, JvAppRegistryStorage, JvFormPlacement,
pngimage, frxExportImage, frxExportPDF, frxDCtrl, frxDMPExport,
frxGradient, frxChBox, frxCross, frxRich, frxOLE, frxBarcode,
ExtCtrls, JvComponentBase, TBXStatusBars, JvExComCtrls, JvStatusBar,
frxExportMail, frxExportXLS, frxExportText, frxExportRTF;
type
IEditorPreview = interface(IEditorBase)
['{43934C3E-2776-4F9E-9292-FB0D7DE2E4DA}']
function GetReport: TfrxReport;
property Report: TfrxReport read GetReport;
procedure SetTitle(const Value: string);
function GetTitle: string;
property Title: string read GetTitle write SetTitle;
procedure LoadFromStream(AStream : TStream);
function ExportToFile : String;
procedure Print;
procedure Preview;
end;
TfEditorPreview = class(TfEditorBase, IEditorPreview)
TBXToolbar1: TTBXToolbar;
TBXItem33: TTBXItem;
TBXItem34: TTBXItem;
TBXItem39: TTBXItem;
TBXSeparatorItem16: TTBXSeparatorItem;
cbZoom: TTBXComboBoxItem;
PreviewActionList: TActionList;
PreviewSmallImageList: TPngImageList;
PreviewLargeImageList: TPngImageList;
actPrimeraPagina: TAction;
actUltimaPagina: TAction;
actPaginaAnterior: TAction;
actPaginaSiguiente: TAction;
TBXItem36: TTBXItem;
actZoomIn: TAction;
actZoomOut: TAction;
actTodaPagina: TAction;
actAnchoPagina: TAction;
TBXSeparatorItem17: TTBXSeparatorItem;
TBXItem37: TTBXItem;
TBXItem40: TTBXItem;
TBXItem41: TTBXItem;
TBXItem42: TTBXItem;
frxReport1: TfrxReport;
actToolHand: TAction;
actToolZoom: TAction;
tbxZoom: TTBXItem;
tbxMano: TTBXItem;
TBXSeparatorItem18: TTBXSeparatorItem;
frxBarCodeObject1: TfrxBarCodeObject;
frxOLEObject1: TfrxOLEObject;
frxRichObject1: TfrxRichObject;
frxCrossObject1: TfrxCrossObject;
frxCheckBoxObject1: TfrxCheckBoxObject;
frxGradientObject1: TfrxGradientObject;
frxDialogControls1: TfrxDialogControls;
frxTIFFExport1: TfrxTIFFExport;
frxPDFExport1: TfrxPDFExport;
frxBMPExport1: TfrxBMPExport;
TBXItem38: TTBXItem;
TBXSeparatorItem19: TTBXSeparatorItem;
TBXItem43: TTBXItem;
TBXItem44: TTBXItem;
TBXItem45: TTBXItem;
TBXItem46: TTBXItem;
TBXItem47: TTBXItem;
TBXSubmenuItem2: TTBXSubmenuItem;
TBXItem48: TTBXItem;
TBXSubmenuItem3: TTBXSubmenuItem;
TBXItem49: TTBXItem;
TBXItem50: TTBXItem;
TBXItem7: TTBXItem;
TBXItem35: TTBXItem;
actMiniaturas: TAction;
TBXSeparatorItem6: TTBXSeparatorItem;
TBXSeparatorItem14: TTBXSeparatorItem;
TBXItem51: TTBXItem;
TBXItem52: TTBXItem;
actExportarPDF: TAction;
TBXSubmenuItem8: TTBXSubmenuItem;
TBXItem53: TTBXItem;
TBXSeparatorItem20: TTBXSeparatorItem;
actExportarRTF: TAction;
frxXLSExport1: TfrxXLSExport;
frxMailExport1: TfrxMailExport;
actExportarExcel: TAction;
actExportarCorreo: TAction;
frxRTFExport: TfrxRTFExport;
frxSimpleTextExport1: TfrxSimpleTextExport;
actExportarTexto: TAction;
TBXItem54: TTBXItem;
TBXItem55: TTBXItem;
TBXItem56: TTBXItem;
TBXItem57: TTBXItem;
procedure FormShow(Sender: TObject);
procedure actPrimeraPaginaExecute(Sender: TObject);
procedure actUltimaPaginaExecute(Sender: TObject);
procedure actPaginaAnteriorExecute(Sender: TObject);
procedure actPaginaSiguienteExecute(Sender: TObject);
procedure actZoomInExecute(Sender: TObject);
procedure actTodaPaginaExecute(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormResize(Sender: TObject);
procedure actImprimirExecute(Sender: TObject);
procedure actAnchoPaginaExecute(Sender: TObject);
procedure actZoomOutExecute(Sender: TObject);
procedure cbZoomItemClick(Sender: TObject);
procedure actToolHandExecute(Sender: TObject);
procedure actToolZoomExecute(Sender: TObject);
procedure actPaginaSiguienteUpdate(Sender: TObject);
procedure actUltimaPaginaUpdate(Sender: TObject);
procedure actPrimeraPaginaUpdate(Sender: TObject);
procedure actPaginaAnteriorUpdate(Sender: TObject);
procedure actMiniaturasExecute(Sender: TObject);
procedure actExportarPDFExecute(Sender: TObject);
procedure actConfPaginaExecute(Sender: TObject);
procedure actExportarExcelExecute(Sender: TObject);
procedure actExportarCorreoExecute(Sender: TObject);
procedure actExportarRTFExecute(Sender: TObject);
procedure actExportarTextoExecute(Sender: TObject);
private
FPreview : TfrViewPreview;
procedure OnPageChanged(Sender: TfrxPreview; PageNo: Integer);
procedure UpdateZoom;
protected
function GetReport: TfrxReport; virtual;
procedure SetTitle(const Value: string);
function GetTitle: string;
public
constructor Create(AOwner: TComponent); override;
property Title: string read GetTitle write SetTitle;
property Report: TfrxReport read GetReport;
procedure Print;
procedure Preview;
procedure LoadFromStream(AStream : TStream);
function ExportToFile : String;
end;
implementation
uses
frxRes, frxUtils, frxPrinter,
uCustomEditor, uSistemaFunc;
{$R *.dfm}
{ TfEditorBase1 }
function TfEditorPreview.GetReport: TfrxReport;
begin
Result := frxReport1;
end;
function TfEditorPreview.GetTitle: string;
begin
Result := Self.Caption;
end;
procedure TfEditorPreview.FormShow(Sender: TObject);
begin
inherited;
UpdateZoom;
actPrimeraPagina.Execute;
FPreview.ShowEmbedded(Self);
Report.ShowPreparedReport;
actAnchoPagina.Execute;
end;
procedure TfEditorPreview.actPrimeraPaginaExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.First;
end;
procedure TfEditorPreview.actPrimeraPaginaUpdate(Sender: TObject);
begin
inherited;
(Sender as TAction).Enabled := (FPreview.Preview.PageNo > 1);
end;
procedure TfEditorPreview.actUltimaPaginaExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Last;
end;
procedure TfEditorPreview.actUltimaPaginaUpdate(Sender: TObject);
begin
inherited;
(Sender as TAction).Enabled := (FPreview.Preview.PageNo < FPreview.Preview.PageCount);
end;
procedure TfEditorPreview.actPaginaAnteriorExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Prior;
end;
procedure TfEditorPreview.actPaginaAnteriorUpdate(Sender: TObject);
begin
inherited;
(Sender as TAction).Enabled := (FPreview.Preview.PageNo > 1);
end;
procedure TfEditorPreview.actPaginaSiguienteExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Next;
end;
procedure TfEditorPreview.actPaginaSiguienteUpdate(Sender: TObject);
begin
inherited;
(Sender as TAction).Enabled := (FPreview.Preview.PageNo < FPreview.Preview.PageCount);
end;
procedure TfEditorPreview.actZoomInExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Zoom := FPreview.Preview.Zoom + 0.25;
UpdateZoom;
end;
procedure TfEditorPreview.UpdateZoom;
begin
cbZoom.Text := IntToStr(Round(FPreview.Preview.Zoom * 100)) + '%';
end;
procedure TfEditorPreview.actTodaPaginaExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.ZoomMode := zmWholePage;
UpdateZoom;
end;
procedure TfEditorPreview.FormDestroy(Sender: TObject);
begin
inherited;
FreeAndNil(FPreview);
end;
procedure TfEditorPreview.FormResize(Sender: TObject);
begin
inherited;
UpdateZoom;
end;
procedure TfEditorPreview.actConfPaginaExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.PageSetupDlg;
end;
procedure TfEditorPreview.actExportarCorreoExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Export(frxMailExport1);
end;
procedure TfEditorPreview.actExportarExcelExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Export(frxXLSExport1);
end;
procedure TfEditorPreview.actExportarPDFExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Export(frxPDFExport1);
end;
procedure TfEditorPreview.actExportarRTFExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Export(frxRTFExport);
end;
procedure TfEditorPreview.actExportarTextoExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Export(frxSimpleTextExport1);
end;
procedure TfEditorPreview.actImprimirExecute(Sender: TObject);
begin
inherited;
Print;
end;
procedure TfEditorPreview.actMiniaturasExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.ThumbnailVisible := actMiniaturas.Checked;
end;
procedure TfEditorPreview.actAnchoPaginaExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.ZoomMode := zmPageWidth;
UpdateZoom;
end;
procedure TfEditorPreview.actZoomOutExecute(Sender: TObject);
begin
inherited;
FPreview.Preview.Zoom := FPreview.Preview.Zoom - 0.25;
UpdateZoom;
end;
procedure TfEditorPreview.cbZoomItemClick(Sender: TObject);
var
s: String;
begin
FPreview.Preview.SetFocus;
if cbZoom.ItemIndex = 6 then
actAnchoPagina.Execute
else if cbZoom.ItemIndex = 7 then
actTodaPagina.Execute
else
begin
s := cbZoom.Text;
if Pos('%', s) <> 0 then
s[Pos('%', s)] := ' ';
while Pos(' ', s) <> 0 do
Delete(s, Pos(' ', s), 1);
if s <> '' then
FPreview.Preview.Zoom := frxStrToFloat(s) / 100;
end;
UpdateZoom;
end;
procedure TfEditorPreview.actToolHandExecute(Sender: TObject);
begin
if tbxMano.Checked then
FPreview.Preview.Tool := ptHand
end;
procedure TfEditorPreview.actToolZoomExecute(Sender: TObject);
begin
if tbxZoom.Checked then
FPreview.Preview.Tool := ptZoom;
end;
procedure TfEditorPreview.OnPageChanged(Sender: TfrxPreview;
PageNo: Integer);
begin
StatusBar.Panels[0].Text := Format(frxResources.Get('clPageOf'),
[PageNo, Sender.PageCount]);
end;
constructor TfEditorPreview.Create(AOwner: TComponent);
begin
inherited;
with cbZoom.Strings do
begin
Clear;
Add('25%');
Add('50%');
Add('75%');
Add('100%');
Add('150%');
Add('200%');
Add(frxResources.Get('zmPageWidth'));
Add(frxResources.Get('zmWholePage'));
end;
FPreview := TfrViewPreview.Create(Self);
Report.Preview := FPreview.Preview;
FPreview.Preview.OnPageChanged := OnPageChanged;
end;
procedure TfEditorPreview.Preview;
begin
Self.ShowModal;
end;
procedure TfEditorPreview.Print;
begin
if not frxPrinters.HasPhysicalPrinters then
frxErrorMsg(frxResources.Get('clNoPrinters'))
else
FPreview.Preview.Print;
Enabled := True;
end;
procedure TfEditorPreview.SetTitle(const Value: string);
begin
Self.Caption := 'Previsualizar - ' + Value;
end;
function TfEditorPreview.ExportToFile: String;
var
AFile : String;
begin
Result := '';
AFile := DarFicheroTIFFTemporal;
frxTIFFExport1.SeparateFiles := False;
frxTIFFExport1.DefaultPath := ExtractFilePath(AFile);
frxTIFFExport1.FileName := ExtractFileName(AFile);
try
if Report.Export(frxTIFFExport1) then
Result := AFile;
finally
frxTIFFExport1.DefaultPath := '';
frxTIFFExport1.FileName := '';
end;
end;
procedure TfEditorPreview.LoadFromStream(AStream: TStream);
begin
Report.PreviewPages.LoadFromStream(AStream);
end;
initialization
RegisterClass(TfEditorPreview);
finalization
UnRegisterClass(TfEditorPreview);
end.