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harbour-core/harbour/source/rtl/tbcolumn.prg
2000-05-23 00:56:50 +00:00

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/*
* $Id$
*/
/*
* Harbour Project source code:
* TBColumn Class
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) with other files to produce
* an executable, this does not by itself cause the resulting executable
* to be covered by the GNU General Public License. Your use of that
* executable is in no way restricted on account of linking the HRL
* and/or HVM code into it.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
/*
* The following parts are Copyright of the individual authors.
* www - http://www.harbour-project.org
*
* Copyright 2000 Jose Lalin <dezac@corevia.com>
* Rewritten using the lower-level Harbour class creation way.
*
* See doc/license.txt for licensing terms.
*
*/
#include "common.ch"
#include "hbsetup.ch"
function TBColumnNew( cHeading, bBlock )
LOCAL oClass
LOCAL nWidth, cType
/* TOFIX: In Clipper the column widths are not determined at this point.
[vszakats] */
if ISBLOCK( bBlock )
cType := Valtype( Eval( bBlock ) )
do case
case cType == "N"
nWidth := Len( Str( Eval( bBlock ) ) )
case cType == "L"
nWidth := 1
case cType == "C"
nWidth := Len( Eval( bBlock ) )
case cType == "D"
nWidth := Len( DToC( Eval( bBlock ) ) )
otherwise
nWidth := 0
endcase
endif
oClass := TClass():New( "TBCOLUMN" )
oClass:AddData( "Block", ; // Code block to retrieve data for the column
iif( ISBLOCK( bBlock ), bBlock, NIL ) )
oClass:AddData( "Cargo" ) // User-definable variable
oClass:AddData( "ColorBlock" ) // Code block that determines color of data items
oClass:AddData( "ColPos", 1 ) // Temporary column position on screen
oClass:AddData( "ColSep" ) // Column separator character
oClass:AddData( "DefColor", { 1, 2 } ) // Array of numeric indexes into the color table
oClass:AddData( "Footing" ) // Column footing
oClass:AddData( "FootSep", "" ) // Footing separator character
oClass:AddData( "Heading", cHeading ) // Column heading
oClass:AddData( "HeadSep" ) // Heading separator character
oClass:AddData( "Width", ; // Column display width
iif( cHeading != NIL, Max( Len( cHeading ), nWidth ), nWidth ) )
#ifdef HB_EXTENSION
oClass:AddMethod( "New", @New() ) // Constructor
#endif
#ifdef HB_COMPAT_C53
oClass:AddMethod( "SetStyle", @SetStyle() )
#endif
oClass:Create()
return oClass:Instance()
#ifdef HB_EXTENSION
static function New()
LOCAL Self := QSelf()
::DefColor := { 1, 2 }
::FootSep := ""
::ColPos := 1
return Self
#endif
#ifdef HB_COMPAT_C53
static function SetStyle( nStyle, lStyle )
LOCAL Self := QSelf()
/* TODO: Implement this */
return Self
#endif