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Просмотр JPG, Excel, WinWord, PDF files



 
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PostPosted: Mon Sep 03, 2007 10:25 am    Post subject: Просмотр JPG, Excel, WinWord, PDF files Reply with quote

Author: Richard Harper
Original: http://www.sapfans.com/forums/viewtopic.php?t=251181

You can do most of this using the document management system which is already available in SAP so you're basically re-inventing something that exists.

You can view all sorts of files from within SAP.

For example, this routine displays auto cad drawings:

Code:
*&---------------------------------------------------------------------*
*&  Include           Z_CV03N_ACD_FORMS                                *
*&---------------------------------------------------------------------*
*&---------------------------------------------------------------------*
*&      Form  Load_Acd
*&---------------------------------------------------------------------*
*       text  Loads and displays an Autocad Drawing DWG.
*             Sets up the handler for this object
*----------------------------------------------------------------------*
*       -->   Global data from table DRAW
*       -->   Container to user
*       -->   ECL 2D Viewer Control to use.
*       <--   Control Loaded Ok/Not
*----------------------------------------------------------------------*
Form Load_Acd Changing pc_Main_Container
                                    Type Ref to Cl_Gui_Custom_Container
                       pc_Acd_Viewer   Type Ref to Cl_Gui_Ecl_2dviewer
                       pc_Ok           Type Boolean.

  Data: w_FileName   type Char255,
        w_Del_File   type String,
        w_Subrc      type sysubrc,
        w_Error_Code type sysubrc.
*
  Move ' ' to pc_Ok.
  Perform CheckOut_File Changing w_FileName w_Subrc.
  If w_subrc = 0.
     Create Object Pc_Main_Container
       Exporting
         container_name = 'G_MAIN_CONTAINER'
       Exceptions
         cntl_error                  = 1
         cntl_system_error           = 2
         create_error                = 3
         lifetime_error              = 4
         lifetime_dynpro_dynpro_link = 5.
     If sy-subrc <> 0.
        Message E000 with 'Could not create ECL Container'.
     Else.
        Create Object pc_Acd_Viewer
          Exporting
            Parent            = pc_Main_Container
          Exceptions
            Cntl_Error        = 1
            Cntl_System_Error = 2
            Create_Error      = 3
            Lifetime_Error    = 4
            Others            = 5.
        If sy-subrc <> 0.
           Message E000 with 'Could not create ECL Container'.
        Else.
           Call Method Pc_Acd_Viewer->Open_Document
             Exporting
               File                = W_Filename
                Markup_Forbidden    = 'X'
             Importing
                Error_Code          = W_Error_Code
              Exceptions
                Cntl_Error          = 1
                Cntl_System_Error   = 2
                Invalid_File_Format = 3
                Permission_Denied   = 4
                File_Not_Found      = 5
                Bad_File_Name       = 6
                Invalid_Data        = 7
                Others              = 8.
           If Sy-Subrc = 0 And W_Error_Code = 0.
              Call Method Pc_Acd_Viewer->Create_Toolbar
                 Exporting
                   Options           = ' '
                   Viewer_OpenFile   = ' '
                   Viewer_CloseFile  = ' '
                   Viewer_SaveFile   = ' '
                   Remove_Document   = ' '
                 Exceptions
                   Cntl_System_Error = 1
                   Cntl_Error        = 2
                   Cntb_Btype_Error  = 3
                   Dp_Error          = 4
                   Wrong_Fcode_Error = 5
                   Others            = 6.
              Call Method Pc_Acd_Viewer->Set_Visible
                Exporting
                  Visible           = 'X'
                Exceptions
                   Cntl_Error        = 1
                   Cntl_System_Error = 2
                   Others            = 3.
*
*             Create the handler events.
*
              Create Object g_Acd_Handler.
              set handler g_Acd_Handler->on_file_dropped
                  for Pc_Acd_Viewer.
              Move 'X' to pc_Ok.
           Else.
              Message E000 with 'Could not open document' w_FileName.
           Endif.
        EndIf.
     EndIf.
  Else.
     Message E000 with 'Could not check out file.'.
  EndIf.
EndForm.
*
Form Process_User_Command_1070.
     Case sy-ucomm.
          When 'BACK'.
               Perform Free_Controls_1070.
          When '%EX'.
               Perform Free_Controls_1070.
          When '%RW'.
               Perform Free_Controls_1070.
     EndCase.
EndForm.
*
Form Free_Controls_1070.
     Call method g_Acd_Viewer->Free.
     Call method g_Main_Container->Free.
     Perform Delete_CheckedOut_File.
EndForm.
 

and this code,


Code:
*&---------------------------------------------------------------------*
*&  Include           Z_CV03N_WRD_FORMS                                *
*&---------------------------------------------------------------------*
*&---------------------------------------------------------------------*
*&      Form  Load_Wrd
*&---------------------------------------------------------------------*
*       text  Loads and displays a Word document
*----------------------------------------------------------------------*
*       -->   Global data from table DRAW
*       -->   Container to user
*       -->   Word Container to use
*       -->   Document proxy
*       <--   Control Loaded Ok/Not
*----------------------------------------------------------------------*
Form Load_Wrd Changing pc_Main_Container
                                 Type Ref to Cl_Gui_Custom_Container
                       pc_Wrd_Container
                                 Type Ref to i_Oi_Container_Control
                       pc_Wrd_Viewer
                                 Type Ref to i_Oi_Document_Proxy
                       pc_Ok     Type Boolean.

  Data: w_FileName   type Char255,
        w_Del_File   type String,
        w_co_Subrc   type sySubrc,
        w_Subrc      type Ref To I_OI_Error,
        w_Error_Code type SoI_Ret_String,
        w_IS_Closed  type sysubrc.
*
  Move ' ' to pc_Ok.
  Perform CheckOut_File Changing w_FileName w_co_Subrc.
  If w_co_subrc = 0.
     Call Method C_Oi_Container_Control_Creator=>Get_Container_Control
                       Importing Control = Pc_Wrd_Container.
     Call Method C_Oi_Errors=>Show_Message Exporting Type = 'E'.
     Create Object Pc_Main_Container
               Exporting Container_Name = 'G_WRD_MAIN_CONTAINER'.
     Call Method Pc_Main_Container->Set_Visible Exporting Visible = 'X'.
     Call Method Pc_Wrd_Container->Init_Control
                         Exporting R3_Application_Name =
                                               'R/3 Basis' "#EC NOTEXT
                                   Inplace_Enabled = 'X'
                                   Inplace_Scroll_Documents = 'X'
                                   Parent = Pc_Main_Container
                                   Register_On_Close_Event = 'X'
                                   Register_On_Custom_Event = 'X'
                                   No_Flush = ' '.
     Call Method C_Oi_Errors=>Show_Message Exporting Type = 'E'.
     Call Method Pc_Wrd_Container->Get_Document_Proxy
                         Exporting Document_Type = 'Word.Document.8'
                                   No_Flush = ' '
                         Importing Document_Proxy = Pc_Wrd_Viewer.
     Call Method C_Oi_Errors=>Show_Message Exporting Type = 'E'.
     Call Method Pc_Wrd_Viewer->Is_Destroyed
                  Importing Ret_Value = w_Is_Closed.
     Check Not w_Is_Closed Is Initial.
*
*    Need to stick the word 'file://' on the front of the file name
*
     Concatenate 'FILE://' w_FileName into w_FileName.
     Call Method Pc_Wrd_Viewer->Open_Document
       Exporting
         Document_Url     = w_FileName
         No_Flush         = ''
         Open_Inplace     = 'X'
         Open_Readonly    = 'X'
         Protect_Document = 'X'
         Onsave_Macro     = ''
         Startup_Macro    = ''
       Importing
         Error            = w_subrc
         Retcode          = w_Error_Code.
     Move 'X' to pc_Ok.
     Call Method C_Oi_Errors=>Show_Message Exporting Type = 'E'.
  Else.
     Message E000 with 'Could not check out file.'.
  EndIf.
EndForm.
*
Form Process_User_Command_1080.
     Case sy-ucomm.
          When 'BACK'.
               Perform Free_Controls_1080.
          When '%EX'.
               Perform Free_Controls_1080.
          When '%RW'.
               Perform Free_Controls_1080.
     EndCase.
EndForm.
*
Form Free_Controls_1080.
     Call method g_Wrd_Viewer->Close_Document.
     Call method g_Wrd_Container->Destroy_Control.
     Call method g_Wrd_Main_Container->Free.
     Perform Delete_CheckedOut_File.
endForm.

views a word document. You can view emails, jpgs, bit maps, html pages all sorts.

I would consider having a look at the DMS before you carry on down the route of writing custom uploads etc for documents.
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