429 lines
12 KiB
Plaintext
429 lines
12 KiB
Plaintext
/*
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* Xbase++ xbpTreeView compatible Class
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*
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* Copyright 2008-2012 Pritpal Bedi <bedipritpal@hotmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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/* EkOnkar
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* ( The LORD is ONE )
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*/
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#include "hbclass.ch"
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#include "inkey.ch"
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#include "hbgtinfo.ch"
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#include "hbgtwvg.ch"
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#include "wvtwin.ch"
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#include "wvgparts.ch"
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CREATE CLASS WvgTreeView INHERIT WvgWindow, WvgDataRef
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VAR alwaysShowSelection INIT .F.
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VAR hasButtons INIT .F.
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VAR hasLines INIT .F.
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VAR aItems INIT {}
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VAR oRootItem
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ACCESS rootItem() INLINE ::oRootItem
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METHOD new( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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METHOD create( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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METHOD configure( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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METHOD destroy()
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METHOD handleEvent( nMessage, aNM )
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METHOD itemFromPos( aPos )
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VAR sl_itemCollapsed
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VAR sl_itemExpanded
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VAR sl_itemMarked
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VAR sl_itemSelected
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METHOD itemCollapsed( xParam ) SETGET
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METHOD itemExpanded( xParam ) SETGET
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METHOD itemMarked( xParam ) SETGET
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VAR oItemSelected
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ACCESS itemSelected INLINE ::sl_itemSelected
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ASSIGN itemSelected( bBlock ) INLINE ::sl_itemSelected := bBlock
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VAR hParentSelected
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VAR hItemSelected
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VAR textParentSelected INIT ""
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VAR textItemSelected INIT ""
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METHOD getSelectionInfo( nlParam )
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METHOD setColorFG( nRGB ) INLINE wvg_TreeView_SetTextColor( ::hWnd, iif( HB_ISSTRING( nRGB ), wvt_GetRGBColorByString( nRGB, 0 ), nRGB ) )
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METHOD setColorBG( nRGB ) INLINE wvg_TreeView_SetBkColor( ::hWnd, iif( HB_ISSTRING( nRGB ), wvt_GetRGBColorByString( nRGB, 1 ), nRGB ) )
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METHOD setColorLines( nRGB ) INLINE wvg_TreeView_SetLineColor( ::hWnd, nRGB )
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METHOD showExpanded( lExpanded, nLevels ) INLINE wvg_TreeView_ShowExpanded( ::hWnd, ;
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iif( HB_ISNIL( lExpanded ), .F., lExpanded ), nLevels )
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ENDCLASS
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METHOD WvgTreeView:new( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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::wvgWindow:new( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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::style := WS_CHILD + WS_TABSTOP + WS_CLIPSIBLINGS
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::exStyle := WS_EX_CLIENTEDGE // WS_EX_STATICEDGE /*+ TVS_EX_FADEINOUTEXPANDOS */
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::className := "SysTreeView32"
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::objType := objTypeTreeView
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RETURN Self
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METHOD WvgTreeView:create( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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::wvgWindow:create( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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IF ::alwaysShowSelection
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::style += TVS_SHOWSELALWAYS
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ENDIF
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IF ::hasButtons
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::style += TVS_HASBUTTONS
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ENDIF
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IF ::hasLines
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::style += TVS_HASLINES + TVS_LINESATROOT
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ENDIF
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::oParent:AddChild( Self )
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::createControl()
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#if 0
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::SetWindowProcCallback() /* Let parent control the events because all notifications are posted via WM_NOTIFY */
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#endif
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::oRootItem := WvgTreeViewItem():New()
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::oRootItem:hTree := ::hWnd
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::oRootItem:oWnd := Self
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IF ::visible
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::show()
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ENDIF
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::setPosAndSize( ::aPos, ::aSize )
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RETURN Self
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METHOD WvgTreeView:handleEvent( nMessage, aNM )
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LOCAL aHdr
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SWITCH nMessage
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CASE HB_GTE_RESIZED
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IF ::isParentCrt()
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::rePosition()
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ENDIF
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::sendMessage( WM_SIZE, 0, 0 )
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CASE HB_GTE_COMMAND
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IF HB_ISBLOCK( ::sl_lbClick )
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Eval( ::sl_lbClick, , , Self )
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RETURN EVENT_HANDELLED
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ENDIF
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EXIT
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CASE HB_GTE_NOTIFY
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aHdr := wvg_GetNMTreeViewInfo( aNM[ 2 ] )
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DO CASE
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CASE aHdr[ NMH_code ] == NM_DBLCLK .OR. aHdr[ NMH_code ] == NM_RETURN
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::editBuffer := ::oItemSelected
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IF ::isParentCrt()
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::oParent:setFocus()
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ENDIF
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IF HB_ISBLOCK( ::sl_itemSelected )
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Eval( ::sl_itemSelected, ::oItemSelected, { 0, 0, 0, 0 }, Self )
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ENDIF
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IF ::isParentCrt()
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IF ::pointerFocus
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::setFocus()
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ENDIF
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ELSE
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::setFocus()
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ENDIF
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RETURN .F.
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CASE aHdr[ NMH_code ] == TVN_SELCHANGED
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::getSelectionInfo( aNM[ 2 ] )
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IF ::isParentCrt()
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::oParent:setFocus()
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ENDIF
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IF HB_ISBLOCK( ::sl_itemMarked )
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Eval( ::sl_itemMarked, ::oItemSelected, { 0, 0, 0, 0 }, Self )
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ENDIF
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IF ::isParentCrt()
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IF ::pointerFocus
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::setFocus()
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ENDIF
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ELSE
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::setFocus()
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ENDIF
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RETURN .T.
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OTHERWISE
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RETURN .F.
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ENDCASE
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EXIT
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#if 0 /* It must never reach here */
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CASE HB_GTE_ANY
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IF aNM[ 1 ] == WM_LBUTTONDOWN
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aHdr := wvg_GetNMTreeViewInfo( aNM[ 3 ] )
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::getSelectionInfo( aNM[ 2 ] )
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IF HB_ISBLOCK( ::sl_lbClick )
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IF ::isParentCrt()
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::oParent:setFocus()
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ENDIF
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Eval( ::sl_lbClick, , , Self )
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IF ::isParentCrt()
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::setFocus()
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ENDIF
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ENDIF
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RETURN EVENT_HANDELLED
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ELSEIF aNM[ 1 ] == WM_LBUTTONDBLCLK .OR. ( aNM[ 1 ] == WM_KEYDOWN .AND. aNM[ 2 ] == K_ENTER )
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::editBuffer := ::oItemSelected
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IF HB_ISBLOCK( ::sl_itemSelected )
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IF ::isParentCrt()
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::oParent:setFocus()
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ENDIF
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Eval( ::sl_itemSelected, ::oItemSelected, { 0, 0, 0, 0 }, Self )
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IF ::isParentCrt()
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::setFocus()
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ENDIF
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ENDIF
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RETURN .F.
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ENDIF
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EXIT
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#endif
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ENDSWITCH
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RETURN EVENT_UNHANDELLED
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METHOD PROCEDURE WvgTreeView:destroy()
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::wvgWindow:destroy()
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RETURN
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METHOD WvgTreeView:getSelectionInfo( nlParam )
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LOCAL hItemSelected, hParentOfSelected
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LOCAL cParent := Space( 20 )
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LOCAL cText := Space( 20 )
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LOCAL n
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wvg_TreeView_GetSelectionInfo( ::hWnd, nlParam, @cParent, @cText, @hParentOfSelected, @hItemSelected )
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::hParentSelected := hParentOfSelected
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::hItemSelected := hItemSelected
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::textParentSelected := RTrim( cParent )
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::textItemSelected := RTrim( cText )
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IF ( n := AScan( ::aItems, {| o | o:hItem == hItemSelected } ) ) > 0
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::oItemSelected := ::aItems[ n ]
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ENDIF
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RETURN Self
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METHOD WvgTreeView:configure( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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::Initialize( oParent, oOwner, aPos, aSize, aPresParams, lVisible )
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RETURN Self
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METHOD WvgTreeView:itemFromPos( aPos )
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HB_SYMBOL_UNUSED( aPos )
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RETURN Self
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METHOD WvgTreeView:itemCollapsed( xParam )
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IF HB_ISBLOCK( xParam ) .OR. xParam == NIL
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::sl_paint := xParam
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ENDIF
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RETURN Self
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METHOD WvgTreeView:itemExpanded( xParam )
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IF HB_ISBLOCK( xParam ) .OR. xParam == NIL
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::sl_itemExpanded := xParam
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ENDIF
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RETURN Self
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METHOD WvgTreeView:itemMarked( xParam )
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IF HB_ISBLOCK( xParam ) .OR. xParam == NIL
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::sl_itemMarked := xParam
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ENDIF
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RETURN Self
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#if 0
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METHOD WvgTreeView:itemSelected( xParam )
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IF HB_ISBLOCK( xParam ) .OR. xParam == NIL
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::sl_itemSelected := xParam
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ENDIF
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RETURN Self
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#endif
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CREATE CLASS WvgTreeViewItem
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VAR caption INIT ""
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VAR dllName INIT NIL
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VAR expandedImage INIT -1
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VAR image INIT -1
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VAR markedImage INIT -1
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VAR hTree
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VAR hItem
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VAR oParent
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VAR oWnd
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VAR className INIT "TREEVIEWITEM"
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VAR objType INIT objTypeTreeViewItem
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METHOD new()
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METHOD create()
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METHOD configure()
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METHOD destroy()
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METHOD Expand( lExpand ) INLINE wvg_TreeView_Expand( ::hTree, ::hItem, ;
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iif( HB_ISLOGICAL( lExpand ), lExpand, .T. ) )
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METHOD isExpanded()
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METHOD setCaption( cCaption )
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METHOD setExpandedImage( nResIdoBitmap )
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METHOD setImage( nResIdoBitmap )
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METHOD setMarkedImage( nResIdoBitmap )
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METHOD addItem( cCaption )
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METHOD delItem()
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METHOD getChildItems()
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METHOD getParentItem()
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METHOD insItem()
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ENDCLASS
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METHOD WvgTreeViewItem:new()
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RETURN Self
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METHOD WvgTreeViewItem:create()
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RETURN Self
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METHOD WvgTreeViewItem:configure()
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RETURN Self
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METHOD PROCEDURE WvgTreeViewItem:destroy()
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:isExpanded()
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:setCaption( cCaption )
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HB_SYMBOL_UNUSED( cCaption )
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:setExpandedImage( nResIdoBitmap )
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HB_SYMBOL_UNUSED( nResIdoBitmap )
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:setImage( nResIdoBitmap )
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HB_SYMBOL_UNUSED( nResIdoBitmap )
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:setMarkedImage( nResIdoBitmap )
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HB_SYMBOL_UNUSED( nResIdoBitmap )
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RETURN
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METHOD WvgTreeViewItem:addItem( cCaption )
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LOCAL oItem, hParent
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oItem := WvgTreeViewItem():New()
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oItem:hTree := ::hTree
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oItem:oParent := Self
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oItem:caption := cCaption
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oItem:oWnd := ::oWnd
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hParent := iif( HB_ISOBJECT( oItem:oParent ), oItem:oParent:hItem, NIL )
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oItem:hItem := wvg_TreeView_AddItem( oItem:hTree, hParent, oItem:caption )
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AAdd( oItem:oWnd:aItems, oItem )
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RETURN oItem
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METHOD PROCEDURE WvgTreeViewItem:delItem()
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:getChildItems()
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:getParentItem()
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RETURN
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METHOD PROCEDURE WvgTreeViewItem:insItem()
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RETURN
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