1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_sd.hxx" 30 #include <tools/debug.hxx> 31 #include <svx/svdobj.hxx> 32 #include "shapelist.hxx" 33 34 #include <algorithm> 35 36 using namespace sd; 37 38 ShapeList::ShapeList() 39 { 40 maIter = maShapeList.end(); 41 } 42 43 ShapeList::~ShapeList() 44 { 45 clear(); 46 } 47 48 /** adds the given shape to this list */ 49 void ShapeList::addShape( SdrObject& rObject ) 50 { 51 ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) ); 52 if( aIter == maShapeList.end() ) 53 { 54 maShapeList.push_back(&rObject); 55 rObject.AddObjectUser( *this ); 56 } 57 else 58 { 59 DBG_ERROR("sd::ShapeList::addShape(), given shape already part of list!"); 60 } 61 } 62 63 /** removes the given shape from this list */ 64 SdrObject* ShapeList::removeShape( SdrObject& rObject ) 65 { 66 ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) ); 67 if( aIter != maShapeList.end() ) 68 { 69 bool bIterErased = aIter == maIter; 70 71 (*aIter)->RemoveObjectUser(*this); 72 aIter = maShapeList.erase( aIter ); 73 74 if( bIterErased ) 75 maIter = aIter; 76 77 if( aIter != maShapeList.end() ) 78 return (*aIter); 79 } 80 else 81 { 82 DBG_ERROR("sd::ShapeList::removeShape(), given shape not part of list!"); 83 } 84 return 0; 85 } 86 87 /** removes all shapes from this list 88 NOTE: iterators will become invalid */ 89 void ShapeList::clear() 90 { 91 ListImpl aShapeList; 92 aShapeList.swap( maShapeList ); 93 94 ListImpl::iterator aIter( aShapeList.begin() ); 95 while( aIter != aShapeList.end() ) 96 (*aIter++)->RemoveObjectUser(*this); 97 98 maIter = aShapeList.end(); 99 } 100 101 /** returns true if this list is empty */ 102 bool ShapeList::isEmpty() const 103 { 104 return maShapeList.empty(); 105 } 106 107 /** returns true if given shape is part of this list */ 108 bool ShapeList::hasShape( SdrObject& rObject ) const 109 { 110 return std::find( maShapeList.begin(), maShapeList.end(), &rObject ) != maShapeList.end(); 111 } 112 113 SdrObject* ShapeList::getNextShape(SdrObject* pObj) const 114 { 115 if( pObj ) 116 { 117 ListImpl::const_iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), pObj ) ); 118 if( aIter != maShapeList.end() ) 119 { 120 aIter++; 121 if( aIter != maShapeList.end() ) 122 { 123 return (*aIter); 124 } 125 } 126 } 127 else if( !maShapeList.empty() ) 128 { 129 return (*maShapeList.begin()); 130 } 131 132 return 0; 133 } 134 135 void ShapeList::ObjectInDestruction(const SdrObject& rObject) 136 { 137 ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) ); 138 if( aIter != maShapeList.end() ) 139 { 140 bool bIterErased = aIter == maIter; 141 142 aIter = maShapeList.erase( aIter ); 143 144 if( bIterErased ) 145 maIter = aIter; 146 } 147 else 148 { 149 DBG_ERROR("sd::ShapeList::ObjectInDestruction(), got a call from an unknown friend!"); 150 } 151 } 152 153 SdrObject* ShapeList::getNextShape() 154 { 155 if( maIter != maShapeList.end() ) 156 { 157 return (*maIter++); 158 } 159 else 160 { 161 return 0; 162 } 163 } 164 165 void ShapeList::seekShape( sal_uInt32 nIndex ) 166 { 167 maIter = maShapeList.begin(); 168 while( nIndex-- && (maIter != maShapeList.end()) ) 169 maIter++; 170 } 171 172 bool ShapeList::hasMore() const 173 { 174 return maIter != maShapeList.end(); 175 } 176