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1 | // Copyright (c) 1998-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | #include <AIS_Selection.ixx> |
16 | #include <TCollection_AsciiString.hxx> |
17 | #include <TColStd_SequenceOfTransient.hxx> |
18 | |
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19 | #include <SelectMgr_EntityOwner.hxx> |
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20 | |
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21 | #include <AIS_InteractiveObject.hxx> |
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22 | |
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23 | #define MaxSizeOfResult 100000 |
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24 | |
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25 | //current selection (handle) |
26 | static Handle(AIS_Selection) theCurrentSelection; |
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27 | static void AIS_Sel_CurrentSelection (Handle(AIS_Selection)& InputSel) |
28 | { |
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29 | if(!InputSel.IsNull()) |
30 | theCurrentSelection = InputSel; |
31 | else |
32 | InputSel = theCurrentSelection; |
33 | } |
34 | |
35 | static TColStd_SequenceOfTransient& AIS_Sel_GetSelections() |
36 | { |
37 | static TColStd_SequenceOfTransient Selections; |
38 | return Selections; |
39 | } |
40 | |
41 | //======================================================================= |
42 | //function : AIS_Selection |
43 | //purpose : |
44 | //======================================================================= |
45 | AIS_Selection::AIS_Selection(const Standard_CString aName) : |
46 | myName(TCollection_AsciiString(aName)), |
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47 | myNb(0) |
48 | { |
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49 | myResultMap.ReSize( MaxSizeOfResult ); // for maximum performnace on medium selections ( < 100000 objects ) |
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50 | } |
51 | |
52 | //======================================================================= |
53 | //function : CreateSelection |
54 | //purpose : |
55 | //======================================================================= |
56 | Standard_Boolean AIS_Selection::CreateSelection(const Standard_CString aName) |
57 | { |
58 | Handle(AIS_Selection) S = AIS_Selection::Selection(aName); |
59 | if(!S.IsNull()) |
60 | return Standard_False; |
61 | S = new AIS_Selection(aName); |
62 | AIS_Sel_GetSelections().Prepend(S); |
63 | AIS_Sel_CurrentSelection(S); |
64 | return Standard_True; |
65 | } |
66 | |
67 | |
68 | //======================================================================= |
69 | //function : Selection |
70 | //purpose : |
71 | //======================================================================= |
72 | Handle(AIS_Selection) AIS_Selection::Selection(const Standard_CString aName) |
73 | { |
74 | Handle(AIS_Selection) S; |
75 | if(AIS_Sel_GetSelections().IsEmpty()) return S; |
76 | |
77 | Handle(Standard_Transient) curobj; |
78 | Handle(AIS_Selection) Sel; |
79 | // Standard_Boolean found(Standard_False); |
80 | for(Standard_Integer I =1; I<= AIS_Sel_GetSelections().Length();I++){ |
81 | curobj = AIS_Sel_GetSelections().Value(I); |
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82 | Sel = Handle(AIS_Selection)::DownCast (curobj); |
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83 | if(Sel->myName.IsEqual(aName)) |
84 | return Sel; |
85 | } |
86 | |
87 | return S; |
88 | } |
89 | |
90 | //======================================================================= |
91 | //function : Find |
92 | //purpose : |
93 | //======================================================================= |
94 | Standard_Boolean AIS_Selection::Find(const Standard_CString aName) |
95 | { |
96 | Handle(AIS_Selection) S = AIS_Selection::Selection(aName); |
97 | return !S.IsNull(); |
98 | } |
99 | |
100 | //======================================================================= |
101 | //function : SetCurrentSelection |
102 | //purpose : |
103 | //======================================================================= |
104 | Standard_Boolean AIS_Selection::SetCurrentSelection (const Standard_CString aName) |
105 | { |
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106 | AIS_Selection::CreateSelection(aName); |
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107 | |
108 | |
109 | Handle(AIS_Selection) anAISSelection = AIS_Selection::Selection(aName) ; |
110 | AIS_Sel_CurrentSelection ( anAISSelection ) ; |
111 | return Standard_True; |
112 | } |
113 | |
114 | //======================================================================= |
115 | //function : Select |
116 | //purpose : |
117 | //======================================================================= |
118 | void AIS_Selection::Select() |
119 | { |
120 | Handle(AIS_Selection) S; |
121 | AIS_Sel_CurrentSelection (S); |
122 | if(!S.IsNull()){ |
123 | S->myNb=0; |
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124 | S->myresult.Clear(); |
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125 | S->myResultMap.Clear(); |
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126 | } |
127 | } |
128 | |
129 | //======================================================================= |
130 | //function : CurrentSelection |
131 | //purpose : |
132 | //======================================================================= |
133 | Handle(AIS_Selection) AIS_Selection::CurrentSelection() { |
134 | Handle(AIS_Selection) S; |
135 | AIS_Sel_CurrentSelection (S); |
136 | return S; |
137 | } |
138 | //======================================================================= |
139 | //function : Select |
140 | //purpose : |
141 | //======================================================================= |
142 | AIS_SelectStatus AIS_Selection::Select(const Handle(Standard_Transient)& anObject) |
143 | { |
144 | Handle(AIS_Selection) S; |
145 | AIS_Sel_CurrentSelection (S); |
146 | if(S.IsNull()) return AIS_SS_NotDone; |
147 | Handle(AIS_InteractiveObject) anAISObj; |
148 | Handle(SelectMgr_EntityOwner) owner = Handle(SelectMgr_EntityOwner)::DownCast( anObject ); |
149 | if ( owner.IsNull() ) |
150 | anAISObj = Handle(AIS_InteractiveObject)::DownCast( anObject ); |
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151 | if ( S->myResultMap.IsBound( anObject ) ){ |
152 | AIS_NListTransient::Iterator aListIter = S->myResultMap.Find( anObject ); |
153 | //skt----------------------------------------------------------------- |
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154 | if( S->myIterator == aListIter ) { |
155 | if( S->myIterator.More() ) |
156 | S->myIterator.Next(); |
157 | else |
158 | S->myIterator = AIS_NListTransient::Iterator(); |
159 | } |
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160 | //-------------------------------------------------------------------- |
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161 | // In the mode of advanced mesh selection only one owner is created |
162 | // for all selection modes. It is necessary to check the current detected |
163 | // entity and remove the owner from map only if the detected entity is |
164 | // the same as previous selected (IsForcedHilight call) |
165 | if( !anAISObj.IsNull() || ( !owner.IsNull() && !owner->IsForcedHilight() ) ) |
166 | { |
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167 | S->myresult.Remove( aListIter ); |
168 | S->myResultMap.UnBind( anObject ); |
169 | |
170 | // update list iterator for next object in <myresult> list if any |
171 | if ( aListIter.More() ){ |
172 | const Handle(Standard_Transient)& aNextObject = aListIter.Value(); |
173 | if ( S->myResultMap.IsBound( aNextObject ) ) |
174 | S->myResultMap( aNextObject ) = aListIter; |
175 | else |
176 | S->myResultMap.Bind( aNextObject, aListIter ); |
177 | } |
178 | return AIS_SS_Removed; |
179 | } |
180 | else |
181 | return AIS_SS_Added; |
182 | } |
183 | |
184 | AIS_NListTransient::Iterator aListIter; |
185 | S->myresult.Append( anObject, aListIter ); |
186 | S->myResultMap.Bind( anObject, aListIter ); |
187 | return AIS_SS_Added; |
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188 | } |
189 | |
190 | //======================================================================= |
191 | //function : AddSelect |
192 | //purpose : Always add int the selection |
193 | //======================================================================= |
194 | AIS_SelectStatus AIS_Selection::AddSelect(const Handle(Standard_Transient)& anObject) |
195 | { |
196 | Handle(AIS_Selection) S; |
197 | AIS_Sel_CurrentSelection (S); |
198 | if(S.IsNull()) return AIS_SS_NotDone; |
199 | |
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200 | if ( S->myResultMap.IsBound( anObject ) ) |
201 | return AIS_SS_NotDone; |
202 | |
203 | AIS_NListTransient::Iterator aListIter; |
204 | S->myresult.Append( anObject, aListIter ); |
205 | S->myResultMap.Bind( anObject, aListIter ); |
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206 | return AIS_SS_Added; |
207 | } |
208 | |
209 | |
210 | //======================================================================= |
211 | //function : ClearAndSelect |
212 | //purpose : |
213 | //======================================================================= |
214 | |
215 | void AIS_Selection::ClearAndSelect(const Handle(Standard_Transient)& anObject) { |
216 | Handle(AIS_Selection) S; |
217 | AIS_Sel_CurrentSelection (S); |
218 | if(S.IsNull()) return; |
219 | |
220 | Select(); |
221 | Select(anObject); |
222 | |
223 | } |
224 | |
225 | |
226 | //======================================================================= |
227 | //function : Extent |
228 | //purpose : |
229 | //======================================================================= |
230 | Standard_Integer AIS_Selection::Extent() { |
231 | Handle(AIS_Selection) S; |
232 | AIS_Sel_CurrentSelection (S); |
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233 | |
234 | if (S.IsNull()) |
235 | return 0; |
236 | |
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237 | return S->myresult.Extent(); |
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238 | } |
239 | |
240 | //======================================================================= |
241 | //function : Single |
242 | //purpose : |
243 | //======================================================================= |
244 | Handle(Standard_Transient) AIS_Selection::Single() |
245 | { |
246 | Handle(AIS_Selection) S; |
247 | AIS_Sel_CurrentSelection (S); |
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248 | |
249 | if (S.IsNull()) |
250 | return Handle(Standard_Transient)(); |
251 | |
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252 | S->Init(); |
253 | return S->Value(); |
254 | } |
255 | //======================================================================= |
256 | //function : IsSelected |
257 | //purpose : |
258 | //======================================================================= |
259 | Standard_Boolean AIS_Selection::IsSelected(const Handle(Standard_Transient)& anObject) |
260 | { |
261 | Handle(AIS_Selection) S; |
262 | AIS_Sel_CurrentSelection (S); |
263 | if(S.IsNull()) return Standard_False; |
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264 | return S->myResultMap.IsBound( anObject ); |
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265 | } |
266 | |
267 | //======================================================================= |
268 | //function : Index |
269 | //purpose : |
270 | //======================================================================= |
271 | |
272 | Standard_Integer AIS_Selection::Index(const Standard_CString aName) |
273 | { |
274 | Handle (Standard_Transient) curobj; |
275 | for(Standard_Integer I =1; I<= AIS_Sel_GetSelections().Length();I++){ |
276 | curobj = AIS_Sel_GetSelections().Value(I); |
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277 | if(Handle(AIS_Selection)::DownCast (curobj)->myName.IsEqual(aName)) |
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278 | return I; |
279 | } |
280 | return 0; |
281 | } |
282 | |
283 | //======================================================================= |
284 | //function : Remove |
285 | //purpose : |
286 | //======================================================================= |
287 | |
288 | void AIS_Selection::Remove(const Standard_CString aName) |
289 | { |
290 | Standard_Integer I = AIS_Selection::Index(aName); |
291 | if(I!=0) { |
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292 | Handle(AIS_Selection) selection = Handle(AIS_Selection)::DownCast( AIS_Sel_GetSelections().Value(I) ); |
293 | Standard_Integer stored = selection->NbStored(); |
294 | if ( stored ) |
295 | selection->Select(); |
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296 | AIS_Sel_GetSelections().Remove(I); |
297 | } |
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298 | } |
299 | |
300 | // clean the static current selection handle |
301 | void AIS_Selection::ClearCurrentSelection() |
302 | { |
303 | theCurrentSelection.Nullify(); |
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304 | } |
305 | |