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#include "fivewin.ch"

REQUEST DBFCDX

function Main()
   local oWnd, oBar, oFont
   Private lPued:=.T.
   
   RDDSetDefault( "DBFCDX" )
   SET DELETED ON

   if ! File( 'TestTrn.Dbf' )
      CreateTestDbf()
   endif

   DEFINE FONT oFont NAME 'TAHOMA' SIZE 0,-12
   DEFINE WINDOW oWnd MDI
   oWnd:SetFont( oFont )

   DEFINE BUTTONBAR oBar OF oWnd SIZE 100,32 2007
   SET MESSAGE OF oWnd TO '' 2007

   DEFINE BUTTON OF oBar PROMPT "XBrowse" ACTION XbrAppend( This )
   DEFINE BUTTON OF oBar PROMPT "Quit" ACTION oWnd:End()

   ACTIVATE WINDOW oWnd
   RELEASE FONT oFont

return 0

static function XbrAppend( oBtn )

   local oWnd, oBrw

   oBtn:Disable()

   USE TESTTRN NEW ALIAS TRN EXCLUSIVE

   DEFINE WINDOW oWnd MDICHILD OF WndMain()

   @ 0,0 XBROWSE oBrw OF oWnd ;
      COLUMNS 'Code', 'Item', 'Rate', 'Quantity' ;
      ALIAS 'TRN' CELL LINES FASTEDIT

   oBrw:Amount    := { || oBrw:Rate:Value * oBrw:Quantity:Value }

   WITH OBJECT oBrw
      :Cargo            := 0
      WITH OBJECT :Code
         :nEditType     := 5 //EDIT_BUTTON
         :bEditBlock    := { || SelectItem( oBrw ) }
      END

      :Quantity:nEditType  := EDIT_GET
      :bPastEof         := { || (oBrw:cAlias)->( AppendRec( oBrw ) ) }
      :bChange          := { || (oBrw:cAlias)->( CheckAppend( oBrw ) ) }
   END

   oBrw:CreateFromCode()
   oWnd:oClient   := oBrw

   oWnd:bPostEnd := { || TRN->( DbCloseArea() ), oBtn:Enable() }

   ACTIVATE WINDOW oWnd ON INIT oBrw:SetFocus() ;
      VALID CheckAppend( oBrw, .t. )

return nil

static function AppendRec( oBrw )

   if oBrw:Cargo == 0  // not in append mode
      APPEND BLANK
      GO BOTTOM
      oBrw:Cargo  := RecNo()
      oBrw:Refresh()
      oBrw:GoLeftMost()
      oBrw:Code:Edit()
   endif

return nil

static function CheckAppend( oBrw, lExit )

   local nRecNo   := RecNo()

   DEFAULT lExit  := .f.

   if oBrw:Cargo > 0 .and. ( lExit .or. oBrw:Cargo != nRecNo )
      GOTO oBrw:Cargo
      DELETE
      oBrw:Cargo  := 0
      if ! lExit
         GOTO nRecNo
         oBrw:Refresh()
      endif
   endif
   if lExit
      PACK
   endif

return .t.

static function SelectItem( oBrw1 )

   local aItems := { { 1, "Item.1", 20 }, { 2, "Item.2", 30 }, { 3, "Item.3", 40 } }
   local nRet     := oBrw1:Code:Value

   XBROWSER aItems ;
      SETUP ( oBrw:cHeaders := { "Code", "Item", "Rate" } ) ;
      SELECT ( nRet := oBrw:aRow[ 1 ], ;
               oBrw1:Item:Value := oBrw:aRow[ 2 ], ;
               oBrw1:Rate:Value := oBrw:aRow[ 3 ], ;
               oBrw1:Cargo  := 0, ;
               oBrw1:nColSel := 4, ;
               oBrw1:Refresh() )

return nRet

//----------------------------------------------------------------------------//

static function CreateTestDbf()

   local aCols    := { ;
      { "CODE",      "N",  4, 0  }, ;
      { "ITEM",      "C", 20, 0  }, ;
      { "RATE",      "N",  6, 2  }, ;
      { "QUANTITY",  "N",  4, 0  }  }

   DBCREATE( "TESTTRN", aCols )

   USE TESTTRN EXCLUSIVE
   APPEND BLANK
   FIELD->CODE       := 1
   FIELD->ITEM       := "Item.1"
   FIELD->RATE       := 20
   FIELD->QUANTITY   := 3
   CLOSE TESTTRN

return nil

 

static function XbrAppend( oBtn )

   local oWnd, oBrw

   oBtn:Disable()

   USE TESTTRN NEW ALIAS TRN EXCLUSIVE

   DEFINE WINDOW oWnd MDICHILD OF WndMain()

   @ 0,0 XBROWSE oBrw OF oWnd ;
      COLUMNS 'Code', 'Item', 'Rate', 'Quantity' ;
      ALIAS 'TRN' CELL LINES FASTEDIT

   oBrw:Amount    := { || oBrw:Rate:Value * oBrw:Quantity:Value }

   WITH OBJECT oBrw
      :Cargo            := 0
      WITH OBJECT :Code
         :nEditType     := 5 //EDIT_BUTTON
         :bEditBlock    := { || SelectItem( oBrw ) }
      END

      :Quantity:nEditType  := EDIT_GET
      :bPastEof         := { || (oBrw:cAlias)->( AppendRec( oBrw ) ) }
      :bChange          := { || (oBrw:cAlias)->( CheckAppend( oBrw ) ) }
   END

   oBrw:bKeyDown = { | nKey | If( oBrw:nColSel == 1 .and. nKey == VK_F2, oBrw:SelectedCol():RunBtnAction(), ) }

   oBrw:CreateFromCode()
   oWnd:oClient   := oBrw

   oWnd:bPostEnd := { || TRN->( DbCloseArea() ), oBtn:Enable() }

   ACTIVATE WINDOW oWnd ON INIT oBrw:SetFocus() ;
      VALID CheckAppend( oBrw, .t. )

return nil