src/SketchPlugin/SketchPlugin_ConstraintCoincidence.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "SketchPlugin_ConstraintCoincidence.h"
  22
  23 #include <SketchPlugin_Point.h>
  24 #include <SketchPlugin_Line.h>
  25 #include <SketchPlugin_Arc.h>
  26 #include <SketchPlugin_Circle.h>
  27
  28 #include <ModelAPI_Events.h>
  29 #include <ModelGeomAlgo_Point2D.h>
  30 #include <GeomDataAPI_Point2D.h>
  31
  32 #include <SketcherPrs_Factory.h>
  33
  34 #include <Events_Loop.h>
  35
  36 SketchPlugin_ConstraintCoincidence::SketchPlugin_ConstraintCoincidence()
  37 {
  38 }
  39
  40 void SketchPlugin_ConstraintCoincidence::initAttributes()
  41 {
  42   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
  43   data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
  44 }
  45
  46 void SketchPlugin_ConstraintCoincidence::execute()
  47 {
  48 }
  49
  50 AISObjectPtr SketchPlugin_ConstraintCoincidence::getAISObject(AISObjectPtr thePrevious)
  51 {
  52   if (!sketch())
  53     return thePrevious;
  54
  55   AISObjectPtr anAIS = SketcherPrs_Factory::coincidentConstraint(this, sketch(), thePrevious);
  56   return anAIS;
  57 }
  58
  59 AttributePoint2DPtr SketchPlugin_ConstraintCoincidence::getPoint(const FeaturePtr& theFeature)
  60 {
  61   AttributePoint2DPtr aPoint = ModelGeomAlgo_Point2D::getPointOfRefAttr(theFeature.get(),
  62                                                          SketchPlugin_Constraint::ENTITY_A(),
  63                                  SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
  64   if (!aPoint.get())
  65     aPoint = ModelGeomAlgo_Point2D::getPointOfRefAttr(theFeature.get(),
  66                                                       SketchPlugin_Constraint::ENTITY_B(),
  67                                  SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
  68   return aPoint;
  69 }
  70
  71 void SketchPlugin_ConstraintCoincidence::createCoincidenceFeature(SketchPlugin_Sketch* theSketch,
  72                                            const std::shared_ptr<GeomDataAPI_Point2D>& thePoint1,
  73                                            const std::shared_ptr<GeomDataAPI_Point2D>& thePoint2)
  74 {
  75   FeaturePtr aFeature;
  76   if (theSketch) {
  77     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
  78   } else {
  79     std::shared_ptr<ModelAPI_Document> aDoc = theSketch->document();
  80     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
  81   }
  82
  83   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
  84
  85   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
  86       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  87   aRef1->setAttr(thePoint1);
  88
  89   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
  90       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
  91   aRef2->setAttr(thePoint2);
  92
  93   // we need to flush created signal in order to coincidence is processed by solver
  94   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
  95 }