Line data Source code
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 <svx/svdobj.hxx>
21 : #include "shapelist.hxx"
22 :
23 : #include <algorithm>
24 :
25 : using namespace sd;
26 :
27 272 : ShapeList::ShapeList()
28 : {
29 272 : maIter = maShapeList.end();
30 272 : }
31 :
32 496 : ShapeList::~ShapeList()
33 : {
34 248 : clear();
35 248 : }
36 :
37 : /** adds the given shape to this list */
38 930 : void ShapeList::addShape( SdrObject& rObject )
39 : {
40 930 : ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
41 930 : if( aIter == maShapeList.end() )
42 : {
43 930 : maShapeList.push_back(&rObject);
44 930 : rObject.AddObjectUser( *this );
45 : }
46 : else
47 : {
48 : OSL_FAIL("sd::ShapeList::addShape(), given shape already part of list!");
49 : }
50 930 : }
51 :
52 : /** removes the given shape from this list */
53 204 : SdrObject* ShapeList::removeShape( SdrObject& rObject )
54 : {
55 204 : ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
56 204 : if( aIter != maShapeList.end() )
57 : {
58 204 : bool bIterErased = aIter == maIter;
59 :
60 204 : (*aIter)->RemoveObjectUser(*this);
61 204 : aIter = maShapeList.erase( aIter );
62 :
63 204 : if( bIterErased )
64 0 : maIter = aIter;
65 :
66 204 : if( aIter != maShapeList.end() )
67 144 : return (*aIter);
68 : }
69 : else
70 : {
71 : OSL_FAIL("sd::ShapeList::removeShape(), given shape not part of list!");
72 : }
73 60 : return 0;
74 : }
75 :
76 : /** removes all shapes from this list
77 : NOTE: iterators will become invalid */
78 248 : void ShapeList::clear()
79 : {
80 248 : ListImpl aShapeList;
81 248 : aShapeList.swap( maShapeList );
82 :
83 248 : ListImpl::iterator aIter( aShapeList.begin() );
84 1128 : while( aIter != aShapeList.end() )
85 632 : (*aIter++)->RemoveObjectUser(*this);
86 :
87 248 : maIter = aShapeList.end();
88 248 : }
89 :
90 : /** returns true if this list is empty */
91 16 : bool ShapeList::isEmpty() const
92 : {
93 16 : return maShapeList.empty();
94 : }
95 :
96 : /** returns true if given shape is part of this list */
97 2684 : bool ShapeList::hasShape( SdrObject& rObject ) const
98 : {
99 2684 : return std::find( maShapeList.begin(), maShapeList.end(), &rObject ) != maShapeList.end();
100 : }
101 :
102 8200 : SdrObject* ShapeList::getNextShape(SdrObject* pObj) const
103 : {
104 8200 : if( pObj )
105 : {
106 6412 : ListImpl::const_iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), pObj ) );
107 6412 : if( aIter != maShapeList.end() )
108 : {
109 6412 : ++aIter;
110 6412 : if( aIter != maShapeList.end() )
111 : {
112 4874 : return (*aIter);
113 : }
114 : }
115 : }
116 1788 : else if( !maShapeList.empty() )
117 : {
118 1538 : return (*maShapeList.begin());
119 : }
120 :
121 1788 : return 0;
122 : }
123 :
124 0 : void ShapeList::ObjectInDestruction(const SdrObject& rObject)
125 : {
126 0 : ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
127 0 : if( aIter != maShapeList.end() )
128 : {
129 0 : bool bIterErased = aIter == maIter;
130 :
131 0 : aIter = maShapeList.erase( aIter );
132 :
133 0 : if( bIterErased )
134 0 : maIter = aIter;
135 : }
136 : else
137 : {
138 : OSL_FAIL("sd::ShapeList::ObjectInDestruction(), got a call from an unknown friend!");
139 : }
140 0 : }
141 :
142 0 : SdrObject* ShapeList::getNextShape()
143 : {
144 0 : if( maIter != maShapeList.end() )
145 : {
146 0 : return (*maIter++);
147 : }
148 : else
149 : {
150 0 : return 0;
151 : }
152 : }
153 :
154 0 : void ShapeList::seekShape( sal_uInt32 nIndex )
155 : {
156 0 : maIter = maShapeList.begin();
157 0 : while( nIndex-- && (maIter != maShapeList.end()) )
158 0 : maIter++;
159 0 : }
160 :
161 0 : bool ShapeList::hasMore() const
162 : {
163 0 : return maIter != maShapeList.end();
164 : }
165 :
166 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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