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
  10 #include <ModelAPI_Document.h>
  11
  12 #include <AIS_InteractiveContext.hxx>
  13 #include <AIS_ListOfInteractive.hxx>
  14 #include <AIS_ListIteratorOfListOfInteractive.hxx>
  15
  16 #include <AIS_Shape.hxx>
  17
  18 XGUI_Displayer::XGUI_Displayer(XGUI_Workshop* theWorkshop)
  19 {
  20   myWorkshop = theWorkshop;
  21 }
  22
  23 XGUI_Displayer::~XGUI_Displayer()
  24 {
  25 }
  26
  27 bool XGUI_Displayer::IsVisible(boost::shared_ptr<ModelAPI_Feature> theFeature)
  28 {
  29   return myFeature2AISObjectMap.find(theFeature) != myFeature2AISObjectMap.end();
  30 }
  31
  32 void XGUI_Displayer::Display(boost::shared_ptr<ModelAPI_Feature> theFeature,
  33                              const bool isUpdateViewer)
  34 {
  35 }
  36
  37 void XGUI_Displayer::Display(boost::shared_ptr<ModelAPI_Feature> theFeature,
  38                              const TopoDS_Shape& theShape, const bool isUpdateViewer)
  39 {
  40   Handle(AIS_InteractiveContext) aContext = AISContext();
  41
  42   Handle(AIS_Shape) anAIS = new AIS_Shape(theShape);
  43   std::vector<Handle(AIS_InteractiveObject)> aDispAIS;
  44   if (myFeature2AISObjectMap.find(theFeature) != myFeature2AISObjectMap.end()) {
  45     aDispAIS = myFeature2AISObjectMap[theFeature];
  46   }
  47   aDispAIS.push_back(anAIS);
  48   myFeature2AISObjectMap[theFeature] = aDispAIS;
  49
  50   aContext->Display(anAIS, Standard_False);
  51
  52   if (isUpdateViewer)
  53     aContext->UpdateCurrentViewer();
  54 }
  55
  56 void XGUI_Displayer::Erase(boost::shared_ptr<ModelAPI_Feature> theFeature,
  57                            const bool isUpdateViewer)
  58 {
  59   if (myFeature2AISObjectMap.find(theFeature) == myFeature2AISObjectMap.end())
  60     return;
  61
  62   std::vector<Handle(AIS_InteractiveObject)> aDispAIS = myFeature2AISObjectMap[theFeature];
  63   std::vector<Handle(AIS_InteractiveObject)>::const_iterator anIt = aDispAIS.begin(),
  64                                                              aLast = aDispAIS.end();
  65   Handle(AIS_InteractiveContext) aContext = AISContext();
  66   for (; anIt != aLast; anIt++) {
  67     Handle(AIS_InteractiveObject) anAIS = *anIt;
  68     Handle(AIS_Shape) anAISShape = Handle(AIS_Shape)::DownCast(anAIS);
  69     if (anAISShape.IsNull())
  70       continue;
  71       aContext->Erase(anAISShape);
  72   }
  73   myFeature2AISObjectMap.erase(theFeature);
  74
  75   if (isUpdateViewer)
  76     aContext->UpdateCurrentViewer();
  77 }
  78
  79 void XGUI_Displayer::RedisplayInLocalContext(boost::shared_ptr<ModelAPI_Feature> theFeature,
  80                                              const TopoDS_Shape& theShape,
  81                                              const std::list<int>& theModes, const bool isUpdateViewer)
  82 {
  83   Handle(AIS_InteractiveContext) aContext = AISContext();
  84
  85   if (IsVisible(theFeature)) {
  86     Erase(theFeature, false);
  87   }
  88
  89   Handle(AIS_Shape) anAIS = new AIS_Shape(theShape);
  90   std::vector<Handle(AIS_InteractiveObject)> aDispAIS;
  91   if (myFeature2AISObjectMap.find(theFeature) != myFeature2AISObjectMap.end()) {
  92     aDispAIS = myFeature2AISObjectMap[theFeature];
  93   }
  94   aDispAIS.push_back(anAIS);
  95   myFeature2AISObjectMap[theFeature] = aDispAIS;
  96
  97   Handle(AIS_InteractiveContext) ic = AISContext();
  98
  99   // Open local context if there is no one
 100   if (!ic->HasOpenedContext()) {
 101     ic->ClearCurrents(false);
 102     ic->OpenLocalContext(false/*use displayed objects*/, /*true*/false/*use displayed objects*/,
 103                          true/*allow shape decomposition*/);
 104   }
 105   // Activate selection of objects from prs
 106   if (!anAIS.IsNull()) {
 107     if (anAIS->IsKind(STANDARD_TYPE(AIS_Shape))) {
 108       ic->Display(anAIS, false);
 109       ic->Load(anAIS, -1, true/*allow decomposition*/);
 110       std::list<int>::const_iterator anIt = theModes.begin(), aLast = theModes.end();
 111       for (; anIt != aLast; anIt++)
 112         ic->Activate(anAIS, AIS_Shape::SelectionMode((TopAbs_ShapeEnum)*anIt));
 113     }
 114   }
 115   if (isUpdateViewer)
 116     ic->UpdateCurrentViewer();
 117 }
 118
 119 void XGUI_Displayer::CloseLocalContexts(const bool isUpdateViewer)
 120 {
 121   closeAllContexts(true);
 122 }
 123
 124 void XGUI_Displayer::closeAllContexts(const bool isUpdateViewer)
 125 {
 126   Handle(AIS_InteractiveContext) ic = AISContext();
 127   if (!ic.IsNull()) {
 128     ic->CloseAllContexts(false);
 129     if (isUpdateViewer)
 130       ic->UpdateCurrentViewer();
 131   }
 132 }
 133
 134 Handle(AIS_InteractiveContext) XGUI_Displayer::AISContext() const
 135 {
 136   return myWorkshop->viewer()->AISContext();
 137 }