src/XGUI/XGUI_Displayer.cpp

   1 // File:        XGUI_Displayer.cpp
   2 // Created:     20 Apr 2014
   3 // Author:      Natalia ERMOLAEVA
   4
   5 #include "XGUI_Displayer.h"
   6 #include "XGUI_Viewer.h"
   7 #include "XGUI_Workshop.h"
   8 #include "XGUI_ViewerProxy.h"
   9 #include "XGUI_Tools.h"
  10
  11 #include <ModelAPI_Document.h>
  12 #include <ModelAPI_Data.h>
  13
  14 #include <AIS_InteractiveContext.hxx>
  15 #include <AIS_LocalContext.hxx>
  16 #include <AIS_ListOfInteractive.hxx>
  17 #include <AIS_ListIteratorOfListOfInteractive.hxx>
  18
  19 #include <AIS_Shape.hxx>
  20
  21 #include <set>
  22
  23 const int MOUSE_SENSITIVITY_IN_PIXEL = 10; ///< defines the local context mouse selection sensitivity
  24
  25 XGUI_Displayer::XGUI_Displayer(XGUI_Workshop* theWorkshop)
  26 {
  27   myWorkshop = theWorkshop;
  28 }
  29
  30 XGUI_Displayer::~XGUI_Displayer()
  31 {
  32 }
  33
  34 bool XGUI_Displayer::IsVisible(boost::shared_ptr<ModelAPI_Feature> theFeature)
  35 {
  36   return myFeature2AISObjectMap.find(theFeature) != myFeature2AISObjectMap.end();
  37 }
  38
  39 void XGUI_Displayer::Display(boost::shared_ptr<ModelAPI_Feature> theFeature,
  40                              const bool isUpdateViewer)
  41 {
  42 }
  43
  44 /*void XGUI_Displayer::Display(boost::shared_ptr<ModelAPI_Feature> theFeature,
  45                              const TopoDS_Shape& theShape, const bool isUpdateViewer)
  46 {
  47   Handle(AIS_InteractiveContext) aContext = AISContext();
  48
  49   Handle(AIS_Shape) anAIS = new AIS_Shape(theShape);
  50   myFeature2AISObjectMap[theFeature] = anAIS;
  51
  52   aContext->Display(anAIS, Standard_False);
  53   if (isUpdateViewer)
  54     UpdateViewer();
  55 }*/
  56
  57
  58 std::list<XGUI_ViewerPrs> XGUI_Displayer::GetSelected(const int theShapeTypeToSkip)
  59 {
  60   std::set<boost::shared_ptr<ModelAPI_Feature> > aPrsFeatures;
  61   std::list<XGUI_ViewerPrs> aPresentations;
  62
  63   Handle(AIS_InteractiveContext) aContext = AISContext();
  64   for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
  65     Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
  66     TopoDS_Shape aShape = aContext->SelectedShape();
  67     if (theShapeTypeToSkip >= 0 && !aShape.IsNull() && aShape.ShapeType() == theShapeTypeToSkip)
  68       continue;
  69
  70     boost::shared_ptr<ModelAPI_Feature> aFeature = GetFeature(anIO);
  71     if (aPrsFeatures.find(aFeature) != aPrsFeatures.end())
  72       continue;
  73     aPresentations.push_back(XGUI_ViewerPrs(aFeature, aShape));
  74     aPrsFeatures.insert(aFeature);
  75   }
  76   return aPresentations;
  77 }
  78
  79 std::list<XGUI_ViewerPrs> XGUI_Displayer::GetHighlighted(const int theShapeTypeToSkip)
  80 {
  81   std::set<boost::shared_ptr<ModelAPI_Feature> > aPrsFeatures;
  82   std::list<XGUI_ViewerPrs> aPresentations;
  83
  84   Handle(AIS_InteractiveContext) aContext = AISContext();
  85   for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
  86     Handle(AIS_InteractiveObject) anIO = aContext->DetectedInteractive();
  87     TopoDS_Shape aShape = aContext->DetectedShape();
  88     if (theShapeTypeToSkip >= 0 && !aShape.IsNull() && aShape.ShapeType() == theShapeTypeToSkip)
  89       continue;
  90
  91     boost::shared_ptr<ModelAPI_Feature> aFeature = GetFeature(anIO);
  92     if (aPrsFeatures.find(aFeature) != aPrsFeatures.end())
  93       continue;
  94     aPresentations.push_back(XGUI_ViewerPrs(aFeature, aShape));
  95     aPrsFeatures.insert(aFeature);
  96   }
  97
  98   return aPresentations;
  99 }
 100
 101 void XGUI_Displayer::Erase(boost::shared_ptr<ModelAPI_Feature> theFeature,
 102                            const bool isUpdateViewer)
 103 {
 104   if (myFeature2AISObjectMap.find(theFeature) == myFeature2AISObjectMap.end())
 105     return;
 106
 107   Handle(AIS_InteractiveContext) aContext = AISContext();
 108   Handle(AIS_InteractiveObject) anAIS = myFeature2AISObjectMap[theFeature];
 109   Handle(AIS_Shape) anAISShape = Handle(AIS_Shape)::DownCast(anAIS);
 110   if (!anAISShape.IsNull())
 111   {
 112     aContext->Erase(anAISShape);
 113   }
 114   myFeature2AISObjectMap.erase(theFeature);
 115
 116   if (isUpdateViewer)
 117     UpdateViewer();
 118 }
 119
 120 bool XGUI_Displayer::Redisplay(boost::shared_ptr<ModelAPI_Feature> theFeature,
 121                                const TopoDS_Shape& theShape, const bool isUpdateViewer)
 122 {
 123   bool isCreated = false;
 124   Handle(AIS_InteractiveContext) aContext = AISContext();
 125   // Open local context if there is no one
 126   if (!aContext->HasOpenedContext()) {
 127     aContext->ClearCurrents(false);
 128     aContext->OpenLocalContext(false/*use displayed objects*/, true/*allow shape decomposition*/);
 129     // set mouse sensitivity
 130     //aContext->SetSensitivityMode(StdSelect_SM_WINDOW);
 131     //aContext->SetPixelTolerance(MOUSE_SENSITIVITY_IN_PIXEL);
 132   }
 133   // display or redisplay presentation
 134   Handle(AIS_Shape) anAIS;
 135   if (IsVisible(theFeature)) {
 136     anAIS = Handle(AIS_Shape)::DownCast(myFeature2AISObjectMap[theFeature]);
 137     if (!anAIS.IsNull()) {
 138       // if the AIS object is displayed in the opened local context in some mode, additional
 139       // AIS sub objects are created there. They should be rebuild for correct selecting.
 140       // It is possible to correct it by closing local context before the shape set and opening
 141       // after. Another workaround to thrown down the selection and reselecting the AIS.
 142       // If there was a problem here, try the first solution with close/open local context.
 143       anAIS->Set(theShape);
 144       anAIS->Redisplay(Standard_True);
 145       aContext->RecomputeSelectionOnly(anAIS);
 146     }
 147   }
 148   else {
 149     anAIS = new AIS_Shape(theShape);
 150     myFeature2AISObjectMap[theFeature] = anAIS;
 151     aContext->Display(anAIS, false);
 152     isCreated = true;
 153   }
 154   if (isUpdateViewer)
 155     UpdateViewer();
 156
 157   return isCreated;
 158 }
 159
 160 void XGUI_Displayer::ActivateInLocalContext(boost::shared_ptr<ModelAPI_Feature> theFeature,
 161                                          const std::list<int>& theModes, const bool isUpdateViewer)
 162 {
 163   Handle(AIS_InteractiveContext) aContext = AISContext();
 164   // Open local context if there is no one
 165   if (!aContext->HasOpenedContext()) {
 166     aContext->ClearCurrents(false);
 167     aContext->OpenLocalContext(false/*use displayed objects*/, true/*allow shape decomposition*/);
 168   }
 169   // display or redisplay presentation
 170   Handle(AIS_Shape) anAIS;
 171   if (IsVisible(theFeature))
 172     anAIS = Handle(AIS_Shape)::DownCast(myFeature2AISObjectMap[theFeature]);
 173
 174   // Activate selection of objects from prs
 175   if (!anAIS.IsNull()) {
 176         aContext->Load(anAIS, -1, true/*allow decomposition*/);
 177     aContext->Deactivate(anAIS);
 178
 179     std::list<int>::const_iterator anIt = theModes.begin(), aLast = theModes.end();
 180     for (; anIt != aLast; anIt++)
 181     {
 182       aContext->Activate(anAIS, AIS_Shape::SelectionMode((TopAbs_ShapeEnum)*anIt));
 183         }
 184   }
 185
 186   if (isUpdateViewer)
 187     UpdateViewer();
 188 }
 189
 190 void XGUI_Displayer::StopSelection(const std::list<XGUI_ViewerPrs>& theFeatures, const bool isStop,
 191                                    const bool isUpdateViewer)
 192 {
 193   Handle(AIS_InteractiveContext) aContext = AISContext();
 194
 195   Handle(AIS_Shape) anAIS;
 196   std::list<XGUI_ViewerPrs>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
 197   boost::shared_ptr<ModelAPI_Feature> aFeature;
 198   for (; anIt != aLast; anIt++) {
 199     aFeature = (*anIt).feature();
 200     if (IsVisible(aFeature))
 201       anAIS = Handle(AIS_Shape)::DownCast(myFeature2AISObjectMap[aFeature]);
 202     if (anAIS.IsNull())
 203       continue;
 204
 205     if (isStop) {
 206       QColor aColor(Qt::white);
 207       anAIS->SetColor(Quantity_Color(aColor.red()/255., aColor.green()/255., aColor.blue()/255., Quantity_TOC_RGB));
 208       anAIS->Redisplay();
 209     }
 210     else {
 211       QColor aColor(Qt::red);
 212       anAIS->SetColor(Quantity_Color(aColor.red()/255., aColor.green()/255., aColor.blue()/255., Quantity_TOC_RGB));
 213       anAIS->Redisplay();
 214     }
 215   }
 216   if (isUpdateViewer)
 217     UpdateViewer();
 218 }
 219
 220 void XGUI_Displayer::SetSelected(const std::list<XGUI_ViewerPrs>& theFeatures, const bool isUpdateViewer)
 221 {
 222   Handle(AIS_InteractiveContext) aContext = AISContext();
 223
 224   std::list<XGUI_ViewerPrs>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
 225   boost::shared_ptr<ModelAPI_Feature> aFeature;
 226
 227   Handle(AIS_Shape) anAIS;
 228   // we need to unhighligth objects manually in the current local context
 229   // in couple with the selection clear (TODO)
 230   Handle(AIS_LocalContext) aLocalContext = aContext->LocalContext();
 231   if (!aLocalContext.IsNull())
 232     aLocalContext->UnhilightLastDetected(myWorkshop->viewer()->activeView());
 233   aContext->ClearSelected(false);
 234
 235   for (; anIt != aLast; anIt++) {
 236     aFeature = (*anIt).feature();
 237     if (IsVisible(aFeature))
 238       anAIS = Handle(AIS_Shape)::DownCast(myFeature2AISObjectMap[aFeature]);
 239     if (anAIS.IsNull())
 240       continue;
 241     aContext->AddOrRemoveSelected(anAIS, false);
 242   }
 243
 244   if (isUpdateViewer)
 245     UpdateViewer();
 246 }
 247
 248 void XGUI_Displayer::EraseAll(const bool isUpdateViewer)
 249 {
 250   Handle(AIS_InteractiveContext) ic = AISContext();
 251
 252   AIS_ListOfInteractive aList;
 253   ic->DisplayedObjects(aList);
 254   AIS_ListIteratorOfListOfInteractive anIter(aList);
 255   for (; anIter.More(); anIter.Next()) {
 256     if ((anIter.Value()->DynamicType() == STANDARD_TYPE(AIS_Trihedron)))
 257       continue;
 258
 259     // erase an object
 260     Handle(AIS_InteractiveObject) anIO = anIter.Value();
 261     ic->Erase(anIO, false);
 262   }
 263   myFeature2AISObjectMap.clear();
 264   if (isUpdateViewer)
 265     UpdateViewer();
 266 }
 267
 268 void XGUI_Displayer::EraseDeletedFeatures(const bool isUpdateViewer)
 269 {
 270   Handle(AIS_InteractiveContext) aContext = AISContext();
 271
 272   FeatureToAISMap::const_iterator aFIt = myFeature2AISObjectMap.begin(),
 273                                   aFLast = myFeature2AISObjectMap.end();
 274   std::list<boost::shared_ptr<ModelAPI_Feature>> aRemoved;
 275   for (; aFIt != aFLast; aFIt++)
 276   {
 277     boost::shared_ptr<ModelAPI_Feature> aFeature = (*aFIt).first;
 278     if (!aFeature || !aFeature->data() || !aFeature->data()->isValid()) {
 279       Handle(AIS_InteractiveObject) anAIS = (*aFIt).second;
 280       if (!anAIS.IsNull()) {
 281         aContext->Erase(anAIS, false);
 282         aRemoved.push_back(aFeature);
 283       }
 284     }
 285   }
 286   std::list<boost::shared_ptr<ModelAPI_Feature>>::const_iterator anIt = aRemoved.begin(),
 287                                                                  aLast = aRemoved.end();
 288   for (; anIt != aLast; anIt++) {
 289     myFeature2AISObjectMap.erase(myFeature2AISObjectMap.find(*anIt));
 290   }
 291
 292   if (isUpdateViewer)
 293     UpdateViewer();
 294 }
 295
 296 void XGUI_Displayer::CloseLocalContexts(const bool isUpdateViewer)
 297 {
 298   CloseAllContexts(true);
 299 }
 300
 301 Handle(AIS_InteractiveObject) XGUI_Displayer::GetAISObject(
 302                                               boost::shared_ptr<ModelAPI_Feature> theFeature) const
 303 {
 304   Handle(AIS_InteractiveObject) anIO;
 305   if (myFeature2AISObjectMap.find(theFeature) != myFeature2AISObjectMap.end())
 306     anIO = (myFeature2AISObjectMap.find(theFeature))->second;
 307   return anIO;
 308 }
 309
 310 boost::shared_ptr<ModelAPI_Feature> XGUI_Displayer::GetFeature(Handle(AIS_InteractiveObject) theIO) const
 311 {
 312   boost::shared_ptr<ModelAPI_Feature> aFeature;
 313   FeatureToAISMap::const_iterator aFIt = myFeature2AISObjectMap.begin(),
 314                                   aFLast = myFeature2AISObjectMap.end();
 315   for (; aFIt != aFLast && !aFeature; aFIt++) {
 316     Handle(AIS_InteractiveObject) anAIS = (*aFIt).second;
 317     if (anAIS != theIO)
 318       continue;
 319     aFeature = (*aFIt).first;
 320   }
 321   return aFeature;
 322 }
 323
 324 void XGUI_Displayer::CloseAllContexts(const bool isUpdateViewer)
 325 {
 326   Handle(AIS_InteractiveContext) ic = AISContext();
 327   if (!ic.IsNull()) {
 328     ic->CloseAllContexts(false);
 329     if (isUpdateViewer)
 330       UpdateViewer();
 331   }
 332 }
 333
 334 void XGUI_Displayer::UpdateViewer()
 335 {
 336   Handle(AIS_InteractiveContext) ic = AISContext();
 337   if (!ic.IsNull())
 338     ic->UpdateCurrentViewer();
 339 }
 340
 341 Handle(AIS_InteractiveContext) XGUI_Displayer::AISContext() const
 342 {
 343   return myWorkshop->viewer()->AISContext();
 344 }