forms/source/richtext/rtattributes.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 INCLUDED_FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
  21 #define INCLUDED_FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
  22
  23 #include <sal/types.h>
  24 #include <svl/poolitem.hxx>
  25
  26 namespace frm
  27 {
  28
  29     /// the id of an attribute
  30     typedef sal_Int32   AttributeId;
  31     /// the "which id" of an item in an SfxItemSet
  32     typedef sal_uInt16      WhichId;
  33     /// a SFX slot id
  34     typedef sal_uInt16      SfxSlotId;
  35
  36     enum AttributeCheckState
  37     {
  38         eChecked,
  39         eUnchecked,
  40         eIndetermined
  41     };
  42
  43     struct AttributeState
  44     {
  45     private:
  46         SfxPoolItem     *pItemHandleItem;
  47
  48     public:
  49         AttributeCheckState eSimpleState;
  50
  51         inline          AttributeState( );
  52         inline explicit AttributeState( AttributeCheckState _eCheckState );
  53         inline          AttributeState( const AttributeState& _rSource );
  54         inline          ~AttributeState( );
  55
  56         inline AttributeState& operator=( const AttributeState& _rSource );
  57
  58         inline bool operator==( const AttributeState& _rRHS );
  59
  60         inline const SfxPoolItem* getItem() const;
  61         inline void setItem( const SfxPoolItem* _pItem );
  62     };
  63
  64     inline AttributeState::AttributeState( )
  65         :pItemHandleItem ( nullptr )
  66         ,eSimpleState( eIndetermined )
  67     {
  68     }
  69
  70     inline AttributeState::AttributeState( AttributeCheckState _eCheckState )
  71         :pItemHandleItem ( nullptr )
  72         ,eSimpleState( _eCheckState )
  73     {
  74     }
  75
  76     inline AttributeState::AttributeState( const AttributeState& _rSource )
  77         :pItemHandleItem ( nullptr )
  78         ,eSimpleState( eIndetermined )
  79     {
  80         operator=( _rSource );
  81     }
  82
  83     inline AttributeState::~AttributeState( )
  84     {
  85 //        delete(pItemHandle);
  86     }
  87
  88     inline AttributeState& AttributeState::operator=( const AttributeState& _rSource )
  89     {
  90         if ( &_rSource == this )
  91             return *this;
  92
  93         eSimpleState = _rSource.eSimpleState;
  94         setItem( _rSource.getItem() );
  95         return *this;
  96     }
  97
  98     inline const SfxPoolItem* AttributeState::getItem() const
  99     {
 100         return pItemHandleItem;
 101     }
 102
 103     inline void AttributeState::setItem( const SfxPoolItem* _pItem )
 104     {
 105         if ( pItemHandleItem )
 106             delete pItemHandleItem;
 107         if ( _pItem )
 108             pItemHandleItem = _pItem->Clone();
 109         else
 110             pItemHandleItem = nullptr;
 111     }
 112
 113     inline bool AttributeState::operator==( const AttributeState& _rRHS )
 114     {
 115         if ( eSimpleState != _rRHS.eSimpleState )
 116             return false;
 117
 118         if ( pItemHandleItem && !_rRHS.pItemHandleItem )
 119             return false;
 120
 121         if ( !pItemHandleItem && _rRHS.pItemHandleItem )
 122             return false;
 123
 124         if ( !pItemHandleItem && !_rRHS.pItemHandleItem )
 125             return true;
 126
 127         return pItemHandleItem == _rRHS.pItemHandleItem;
 128     }
 129
 130     class IMultiAttributeDispatcher
 131     {
 132     public:
 133         virtual AttributeState  getState( AttributeId _nAttributeId ) const = 0;
 134         virtual void            executeAttribute( AttributeId _nAttributeId, const SfxPoolItem* _pArgument ) = 0;
 135
 136     protected:
 137         ~IMultiAttributeDispatcher() {}
 138     };
 139
 140 } // namespace frm
 141
 142 #endif // INCLUDED_FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
 143
 144 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */