xref: /aoo42x/main/sd/source/core/shapelist.cxx (revision 79aad27f)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sd.hxx"
26 #include <tools/debug.hxx>
27 #include <svx/svdobj.hxx>
28 #include "shapelist.hxx"
29 
30 #include <algorithm>
31 
32 using namespace sd;
33 
ShapeList()34 ShapeList::ShapeList()
35 {
36 	maIter = maShapeList.end();
37 }
38 
~ShapeList()39 ShapeList::~ShapeList()
40 {
41 	clear();
42 }
43 
44 /** adds the given shape to this list */
addShape(SdrObject & rObject)45 void ShapeList::addShape( SdrObject& rObject )
46 {
47 	ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
48 	if( aIter == maShapeList.end() )
49 	{
50 		maShapeList.push_back(&rObject);
51 		rObject.AddObjectUser( *this );
52 	}
53 	else
54 	{
55 		DBG_ERROR("sd::ShapeList::addShape(), given shape already part of list!");
56 	}
57 }
58 
59 /** removes the given shape from this list */
removeShape(SdrObject & rObject)60 SdrObject* ShapeList::removeShape( SdrObject& rObject )
61 {
62 	ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
63 	if( aIter != maShapeList.end() )
64 	{
65 		bool bIterErased = aIter == maIter;
66 
67 		(*aIter)->RemoveObjectUser(*this);
68 		aIter = maShapeList.erase( aIter );
69 
70 		if( bIterErased )
71 			maIter = aIter;
72 
73 		if( aIter != maShapeList.end() )
74 			return (*aIter);
75 	}
76 	else
77 	{
78 		DBG_ERROR("sd::ShapeList::removeShape(), given shape not part of list!");
79 	}
80 	return 0;
81 }
82 
83 /** removes all shapes from this list
84 	NOTE: iterators will become invalid */
clear()85 void ShapeList::clear()
86 {
87 	ListImpl aShapeList;
88 	aShapeList.swap( maShapeList );
89 
90 	ListImpl::iterator aIter( aShapeList.begin() );
91 	while( aIter != aShapeList.end() )
92 		(*aIter++)->RemoveObjectUser(*this);
93 
94 	maIter = aShapeList.end();
95 }
96 
97 /** returns true if this list is empty */
isEmpty() const98 bool ShapeList::isEmpty() const
99 {
100 	return maShapeList.empty();
101 }
102 
103 /** returns true if given shape is part of this list */
hasShape(SdrObject & rObject) const104 bool ShapeList::hasShape( SdrObject& rObject ) const
105 {
106 	return std::find( maShapeList.begin(), maShapeList.end(), &rObject )  != maShapeList.end();
107 }
108 
getNextShape(SdrObject * pObj) const109 SdrObject* ShapeList::getNextShape(SdrObject* pObj) const
110 {
111 	if( pObj )
112 	{
113 		ListImpl::const_iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), pObj ) );
114 		if( aIter != maShapeList.end() )
115 		{
116 			aIter++;
117 			if( aIter != maShapeList.end() )
118 			{
119 				return (*aIter);
120 			}
121 		}
122 	}
123 	else if( !maShapeList.empty() )
124 	{
125 		return (*maShapeList.begin());
126 	}
127 
128 	return 0;
129 }
130 
ObjectInDestruction(const SdrObject & rObject)131 void ShapeList::ObjectInDestruction(const SdrObject& rObject)
132 {
133 	ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
134 	if( aIter != maShapeList.end() )
135 	{
136 		bool bIterErased = aIter == maIter;
137 
138 		aIter = maShapeList.erase( aIter );
139 
140 		if( bIterErased )
141 			maIter = aIter;
142 	}
143 	else
144 	{
145 		DBG_ERROR("sd::ShapeList::ObjectInDestruction(), got a call from an unknown friend!");
146 	}
147 }
148 
getNextShape()149 SdrObject* ShapeList::getNextShape()
150 {
151 	if( maIter != maShapeList.end() )
152 	{
153 		return (*maIter++);
154 	}
155 	else
156 	{
157 		return 0;
158 	}
159 }
160 
seekShape(sal_uInt32 nIndex)161 void ShapeList::seekShape( sal_uInt32 nIndex )
162 {
163 	maIter = maShapeList.begin();
164 	while( nIndex-- && (maIter != maShapeList.end()) )
165 		maIter++;
166 }
167 
hasMore() const168 bool ShapeList::hasMore() const
169 {
170 	return maIter != maShapeList.end();
171 }
172