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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 | |
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16 | #include <AIS_InteractiveObject.hxx> |
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17 | #include <AIS_Selection.hxx> |
18 | #include <SelectMgr_EntityOwner.hxx> |
19 | #include <Standard_MultiplyDefined.hxx> |
20 | #include <Standard_NoSuchObject.hxx> |
21 | #include <Standard_Transient.hxx> |
22 | #include <Standard_Type.hxx> |
23 | #include <Standard_TypeMismatch.hxx> |
24 | #include <TCollection_AsciiString.hxx> |
25 | #include <TColStd_SequenceOfTransient.hxx> |
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26 | |
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27 | #define MaxSizeOfResult 100000 |
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28 | |
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29 | //current selection (handle) |
30 | static Handle(AIS_Selection) theCurrentSelection; |
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31 | static void AIS_Sel_CurrentSelection (Handle(AIS_Selection)& InputSel) |
32 | { |
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33 | if(!InputSel.IsNull()) |
34 | theCurrentSelection = InputSel; |
35 | else |
36 | InputSel = theCurrentSelection; |
37 | } |
38 | |
39 | static TColStd_SequenceOfTransient& AIS_Sel_GetSelections() |
40 | { |
41 | static TColStd_SequenceOfTransient Selections; |
42 | return Selections; |
43 | } |
44 | |
45 | //======================================================================= |
46 | //function : AIS_Selection |
47 | //purpose : |
48 | //======================================================================= |
49 | AIS_Selection::AIS_Selection(const Standard_CString aName) : |
50 | myName(TCollection_AsciiString(aName)), |
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51 | myNb(0) |
52 | { |
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53 | myResultMap.ReSize( MaxSizeOfResult ); // for maximum performnace on medium selections ( < 100000 objects ) |
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54 | } |
55 | |
56 | //======================================================================= |
57 | //function : CreateSelection |
58 | //purpose : |
59 | //======================================================================= |
60 | Standard_Boolean AIS_Selection::CreateSelection(const Standard_CString aName) |
61 | { |
62 | Handle(AIS_Selection) S = AIS_Selection::Selection(aName); |
63 | if(!S.IsNull()) |
64 | return Standard_False; |
65 | S = new AIS_Selection(aName); |
66 | AIS_Sel_GetSelections().Prepend(S); |
67 | AIS_Sel_CurrentSelection(S); |
68 | return Standard_True; |
69 | } |
70 | |
71 | |
72 | //======================================================================= |
73 | //function : Selection |
74 | //purpose : |
75 | //======================================================================= |
76 | Handle(AIS_Selection) AIS_Selection::Selection(const Standard_CString aName) |
77 | { |
78 | Handle(AIS_Selection) S; |
79 | if(AIS_Sel_GetSelections().IsEmpty()) return S; |
80 | |
81 | Handle(Standard_Transient) curobj; |
82 | Handle(AIS_Selection) Sel; |
83 | // Standard_Boolean found(Standard_False); |
84 | for(Standard_Integer I =1; I<= AIS_Sel_GetSelections().Length();I++){ |
85 | curobj = AIS_Sel_GetSelections().Value(I); |
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86 | Sel = Handle(AIS_Selection)::DownCast (curobj); |
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87 | if(Sel->myName.IsEqual(aName)) |
88 | return Sel; |
89 | } |
90 | |
91 | return S; |
92 | } |
93 | |
94 | //======================================================================= |
95 | //function : Find |
96 | //purpose : |
97 | //======================================================================= |
98 | Standard_Boolean AIS_Selection::Find(const Standard_CString aName) |
99 | { |
100 | Handle(AIS_Selection) S = AIS_Selection::Selection(aName); |
101 | return !S.IsNull(); |
102 | } |
103 | |
104 | //======================================================================= |
105 | //function : SetCurrentSelection |
106 | //purpose : |
107 | //======================================================================= |
108 | Standard_Boolean AIS_Selection::SetCurrentSelection (const Standard_CString aName) |
109 | { |
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110 | AIS_Selection::CreateSelection(aName); |
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111 | |
112 | |
113 | Handle(AIS_Selection) anAISSelection = AIS_Selection::Selection(aName) ; |
114 | AIS_Sel_CurrentSelection ( anAISSelection ) ; |
115 | return Standard_True; |
116 | } |
117 | |
118 | //======================================================================= |
119 | //function : Select |
120 | //purpose : |
121 | //======================================================================= |
122 | void AIS_Selection::Select() |
123 | { |
124 | Handle(AIS_Selection) S; |
125 | AIS_Sel_CurrentSelection (S); |
126 | if(!S.IsNull()){ |
127 | S->myNb=0; |
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128 | S->myresult.Clear(); |
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129 | S->myResultMap.Clear(); |
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130 | } |
131 | } |
132 | |
133 | //======================================================================= |
134 | //function : CurrentSelection |
135 | //purpose : |
136 | //======================================================================= |
137 | Handle(AIS_Selection) AIS_Selection::CurrentSelection() { |
138 | Handle(AIS_Selection) S; |
139 | AIS_Sel_CurrentSelection (S); |
140 | return S; |
141 | } |
142 | //======================================================================= |
143 | //function : Select |
144 | //purpose : |
145 | //======================================================================= |
146 | AIS_SelectStatus AIS_Selection::Select(const Handle(Standard_Transient)& anObject) |
147 | { |
148 | Handle(AIS_Selection) S; |
149 | AIS_Sel_CurrentSelection (S); |
150 | if(S.IsNull()) return AIS_SS_NotDone; |
151 | Handle(AIS_InteractiveObject) anAISObj; |
152 | Handle(SelectMgr_EntityOwner) owner = Handle(SelectMgr_EntityOwner)::DownCast( anObject ); |
153 | if ( owner.IsNull() ) |
154 | anAISObj = Handle(AIS_InteractiveObject)::DownCast( anObject ); |
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155 | if ( S->myResultMap.IsBound( anObject ) ){ |
156 | AIS_NListTransient::Iterator aListIter = S->myResultMap.Find( anObject ); |
157 | //skt----------------------------------------------------------------- |
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158 | if( S->myIterator == aListIter ) { |
159 | if( S->myIterator.More() ) |
160 | S->myIterator.Next(); |
161 | else |
162 | S->myIterator = AIS_NListTransient::Iterator(); |
163 | } |
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164 | //-------------------------------------------------------------------- |
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165 | // In the mode of advanced mesh selection only one owner is created |
166 | // for all selection modes. It is necessary to check the current detected |
167 | // entity and remove the owner from map only if the detected entity is |
168 | // the same as previous selected (IsForcedHilight call) |
169 | if( !anAISObj.IsNull() || ( !owner.IsNull() && !owner->IsForcedHilight() ) ) |
170 | { |
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171 | S->myresult.Remove( aListIter ); |
172 | S->myResultMap.UnBind( anObject ); |
173 | |
174 | // update list iterator for next object in <myresult> list if any |
175 | if ( aListIter.More() ){ |
176 | const Handle(Standard_Transient)& aNextObject = aListIter.Value(); |
177 | if ( S->myResultMap.IsBound( aNextObject ) ) |
178 | S->myResultMap( aNextObject ) = aListIter; |
179 | else |
180 | S->myResultMap.Bind( aNextObject, aListIter ); |
181 | } |
182 | return AIS_SS_Removed; |
183 | } |
184 | else |
185 | return AIS_SS_Added; |
186 | } |
187 | |
188 | AIS_NListTransient::Iterator aListIter; |
189 | S->myresult.Append( anObject, aListIter ); |
190 | S->myResultMap.Bind( anObject, aListIter ); |
191 | return AIS_SS_Added; |
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192 | } |
193 | |
194 | //======================================================================= |
195 | //function : AddSelect |
196 | //purpose : Always add int the selection |
197 | //======================================================================= |
198 | AIS_SelectStatus AIS_Selection::AddSelect(const Handle(Standard_Transient)& anObject) |
199 | { |
200 | Handle(AIS_Selection) S; |
201 | AIS_Sel_CurrentSelection (S); |
202 | if(S.IsNull()) return AIS_SS_NotDone; |
203 | |
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204 | if ( S->myResultMap.IsBound( anObject ) ) |
205 | return AIS_SS_NotDone; |
206 | |
207 | AIS_NListTransient::Iterator aListIter; |
208 | S->myresult.Append( anObject, aListIter ); |
209 | S->myResultMap.Bind( anObject, aListIter ); |
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210 | return AIS_SS_Added; |
211 | } |
212 | |
213 | |
214 | //======================================================================= |
215 | //function : ClearAndSelect |
216 | //purpose : |
217 | //======================================================================= |
218 | |
219 | void AIS_Selection::ClearAndSelect(const Handle(Standard_Transient)& anObject) { |
220 | Handle(AIS_Selection) S; |
221 | AIS_Sel_CurrentSelection (S); |
222 | if(S.IsNull()) return; |
223 | |
224 | Select(); |
225 | Select(anObject); |
226 | |
227 | } |
228 | |
229 | |
230 | //======================================================================= |
231 | //function : Extent |
232 | //purpose : |
233 | //======================================================================= |
234 | Standard_Integer AIS_Selection::Extent() { |
235 | Handle(AIS_Selection) S; |
236 | AIS_Sel_CurrentSelection (S); |
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237 | |
238 | if (S.IsNull()) |
239 | return 0; |
240 | |
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241 | return S->myresult.Extent(); |
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242 | } |
243 | |
244 | //======================================================================= |
245 | //function : Single |
246 | //purpose : |
247 | //======================================================================= |
248 | Handle(Standard_Transient) AIS_Selection::Single() |
249 | { |
250 | Handle(AIS_Selection) S; |
251 | AIS_Sel_CurrentSelection (S); |
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252 | |
253 | if (S.IsNull()) |
254 | return Handle(Standard_Transient)(); |
255 | |
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256 | S->Init(); |
257 | return S->Value(); |
258 | } |
259 | //======================================================================= |
260 | //function : IsSelected |
261 | //purpose : |
262 | //======================================================================= |
263 | Standard_Boolean AIS_Selection::IsSelected(const Handle(Standard_Transient)& anObject) |
264 | { |
265 | Handle(AIS_Selection) S; |
266 | AIS_Sel_CurrentSelection (S); |
267 | if(S.IsNull()) return Standard_False; |
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268 | return S->myResultMap.IsBound( anObject ); |
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269 | } |
270 | |
271 | //======================================================================= |
272 | //function : Index |
273 | //purpose : |
274 | //======================================================================= |
275 | |
276 | Standard_Integer AIS_Selection::Index(const Standard_CString aName) |
277 | { |
278 | Handle (Standard_Transient) curobj; |
279 | for(Standard_Integer I =1; I<= AIS_Sel_GetSelections().Length();I++){ |
280 | curobj = AIS_Sel_GetSelections().Value(I); |
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281 | if(Handle(AIS_Selection)::DownCast (curobj)->myName.IsEqual(aName)) |
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282 | return I; |
283 | } |
284 | return 0; |
285 | } |
286 | |
287 | //======================================================================= |
288 | //function : Remove |
289 | //purpose : |
290 | //======================================================================= |
291 | |
292 | void AIS_Selection::Remove(const Standard_CString aName) |
293 | { |
294 | Standard_Integer I = AIS_Selection::Index(aName); |
295 | if(I!=0) { |
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296 | Handle(AIS_Selection) selection = Handle(AIS_Selection)::DownCast( AIS_Sel_GetSelections().Value(I) ); |
297 | Standard_Integer stored = selection->NbStored(); |
298 | if ( stored ) |
299 | selection->Select(); |
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300 | AIS_Sel_GetSelections().Remove(I); |
301 | } |
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302 | } |
303 | |
304 | // clean the static current selection handle |
305 | void AIS_Selection::ClearCurrentSelection() |
306 | { |
307 | theCurrentSelection.Nullify(); |
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308 | } |
309 | |