svl/source/items/aeitem.cxx

   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 #include <rtl/ustring.hxx>
  21 #include <svl/aeitem.hxx>
  22
  23 #include <climits>
  24 #include <cstddef>
  25 #include <vector>
  26
  27 struct SfxAllEnumValue_Impl
  28 {
  29     sal_uInt16 nValue;
  30     OUString aText;
  31 };
  32
  33 class SfxAllEnumValueArr : public std::vector<SfxAllEnumValue_Impl> {};
  34
  35
  36 SfxAllEnumItem::SfxAllEnumItem(sal_uInt16 which, sal_uInt16 nVal):
  37     SfxAllEnumItem_Base(which, nVal)
  38 {
  39     InsertValue( nVal );
  40 }
  41
  42 SfxAllEnumItem::SfxAllEnumItem(sal_uInt16 which):
  43     SfxAllEnumItem_Base(which, 0)
  44 {
  45 }
  46
  47 SfxAllEnumItem::SfxAllEnumItem(const SfxAllEnumItem &rCopy):
  48     SfxAllEnumItem_Base(rCopy)
  49 {
  50     if ( rCopy.pValues )
  51         pValues.reset( new SfxAllEnumValueArr(*rCopy.pValues) );
  52 }
  53
  54 SfxAllEnumItem::~SfxAllEnumItem()
  55 {
  56 }
  57
  58 sal_uInt16 SfxAllEnumItem::GetValueCount() const
  59 {
  60     return pValues ? pValues->size() : 0;
  61 }
  62
  63 OUString const & SfxAllEnumItem::GetValueTextByPos( sal_uInt16 nPos ) const
  64 {
  65     assert(pValues && nPos < pValues->size());
  66     return (*pValues)[nPos].aText;
  67 }
  68
  69 sal_uInt16 SfxAllEnumItem::GetValueByPos( sal_uInt16 nPos ) const
  70 {
  71     assert(pValues && nPos < pValues->size());
  72     return (*pValues)[nPos].nValue;
  73 }
  74
  75 SfxPoolItem* SfxAllEnumItem::Clone( SfxItemPool * ) const
  76 {
  77     return new SfxAllEnumItem(*this);
  78 }
  79
  80 /**
  81  * In contrast to @see GetPosByValue(sal_uInt16) const
  82  * this internal method returns the position the value would be for non-present values.
  83  */
  84 std::size_t SfxAllEnumItem::GetPosByValue_( sal_uInt16 nVal ) const
  85 {
  86     if ( !pValues )
  87         return 0;
  88
  89     //FIXME: Optimisation: use binary search or SortArray
  90     std::size_t nPos;
  91     for ( nPos = 0; nPos < pValues->size(); ++nPos )
  92         if ( (*pValues)[nPos].nValue >= nVal )
  93             return nPos;
  94     return nPos;
  95 }
  96
  97 sal_uInt16 SfxAllEnumItem::GetPosByValue( sal_uInt16 nValue ) const
  98 {
  99     if ( !pValues || pValues->empty() )
 100         return nValue;
 101
 102     sal_uInt16 nCount = GetValueCount();
 103     for (sal_uInt16 i = 0; i < nCount; ++i)
 104         if (GetValueByPos(i) == nValue)
 105             return i;
 106     return USHRT_MAX;
 107 }
 108
 109 void SfxAllEnumItem::InsertValue( sal_uInt16 nValue, const OUString &rValue )
 110 {
 111     SfxAllEnumValue_Impl aVal;
 112     aVal.nValue = nValue;
 113     aVal.aText = rValue;
 114     if ( !pValues )
 115         pValues.reset( new SfxAllEnumValueArr );
 116     else if ( GetPosByValue( nValue ) != USHRT_MAX )
 117         // remove when exists
 118         RemoveValue( nValue );
 119     // then insert
 120     pValues->insert(pValues->begin() + GetPosByValue_(nValue), aVal); // FIXME: Duplicates?
 121 }
 122
 123 void SfxAllEnumItem::InsertValue( sal_uInt16 nValue )
 124 {
 125     SfxAllEnumValue_Impl aVal;
 126     aVal.nValue = nValue;
 127     aVal.aText = OUString::number(nValue);
 128     if ( !pValues )
 129         pValues.reset( new SfxAllEnumValueArr );
 130
 131     pValues->insert(pValues->begin() + GetPosByValue_(nValue), aVal); // FIXME: Duplicates?
 132 }
 133
 134 void SfxAllEnumItem::RemoveValue( sal_uInt16 nValue )
 135 {
 136     sal_uInt16 nPos = GetPosByValue(nValue);
 137     assert(nPos != USHRT_MAX);
 138     pValues->erase( pValues->begin() + nPos );
 139 }
 140
 141 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */