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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : #ifndef _DBAUI_MARKTREE_HXX_
      21                 :            : #define _DBAUI_MARKTREE_HXX_
      22                 :            : 
      23                 :            : #include "dbtreelistbox.hxx"
      24                 :            : 
      25                 :            : 
      26                 :            : 
      27                 :            : //.........................................................................
      28                 :            : namespace dbaui
      29                 :            : {
      30                 :            : //.........................................................................
      31                 :            : 
      32                 :            : //========================================================================
      33                 :            : //= OMarkableTreeListBox
      34                 :            : //========================================================================
      35                 :            : /** a tree list box where all entries can be marked (with a checkbox) and
      36                 :            :     unmarked. In addition, inner nodes know a third state which applies
      37                 :            :     if some, but not all of their descendants are marked.
      38                 :            : */
      39                 :            : class OMarkableTreeListBox : public DBTreeListBox
      40                 :            : {
      41                 :            :     SvLBoxButtonData*   m_pCheckButton;
      42                 :            :     Link                m_aCheckButtonHandler;
      43                 :            : 
      44                 :            : public:
      45                 :            :     OMarkableTreeListBox( Window* pParent
      46                 :            :                             ,const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB
      47                 :            :                             , WinBits nWinStyle=0 );
      48                 :            :     OMarkableTreeListBox( Window* pParent
      49                 :            :                             ,const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB
      50                 :            :                             , const ResId& rResId );
      51                 :            :     ~OMarkableTreeListBox();
      52                 :            : 
      53                 :            :     virtual void    KeyInput( const KeyEvent& rKEvt );
      54                 :            :     virtual void    CheckButtonHdl();
      55                 :            :     void            CheckButtons();     // make the button states consistent (bottom-up)
      56                 :            : 
      57                 :            :     /// the handler given is called whenever the check state of one or more items changed
      58                 :          0 :     void SetCheckHandler(const Link& _rHdl) { m_aCheckButtonHandler = _rHdl; }
      59                 :            : 
      60                 :            : protected:
      61                 :            :     virtual void Paint(const Rectangle& _rRect);
      62                 :            :     virtual void checkedButton_noBroadcast(SvLBoxEntry* _pEntry);
      63                 :            : 
      64                 :            :     SvButtonState   implDetermineState(SvLBoxEntry* _pEntry);
      65                 :            :         // determines the check state of the given entry, by analyzing the states of all descendants
      66                 :            : 
      67                 :            : private:
      68                 :            :     void InitButtonData();
      69                 :            : };
      70                 :            : 
      71                 :            : //.........................................................................
      72                 :            : }   // namespace dbaui
      73                 :            : //.........................................................................
      74                 :            : 
      75                 :            : #endif // _DBAUI_MARKTREE_HXX_
      76                 :            : 
      77                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */