src/SketchAPI/SketchAPI_Constraint.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 email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  18 //
  19
  20 #include "SketchAPI_Constraint.h"
  21
  22 #include <ModelHighAPI_Dumper.h>
  23 #include <ModelHighAPI_Tools.h>
  24
  25 #include <SketchPlugin_Constraint.h>
  26 #include <SketchPlugin_ConstraintAngle.h>
  27 #include <SketchPlugin_ConstraintCoincidence.h>
  28 #include <SketchPlugin_ConstraintCollinear.h>
  29 #include <SketchPlugin_ConstraintDistance.h>
  30 #include <SketchPlugin_ConstraintEqual.h>
  31 #include <SketchPlugin_ConstraintHorizontal.h>
  32 #include <SketchPlugin_ConstraintLength.h>
  33 #include <SketchPlugin_ConstraintMiddle.h>
  34 #include <SketchPlugin_ConstraintParallel.h>
  35 #include <SketchPlugin_ConstraintPerpendicular.h>
  36 #include <SketchPlugin_ConstraintRadius.h>
  37 #include <SketchPlugin_ConstraintRigid.h>
  38 #include <SketchPlugin_ConstraintTangent.h>
  39 #include <SketchPlugin_ConstraintVertical.h>
  40 #include <SketchPlugin_SketchEntity.h>
  41
  42 #include <SketcherPrs_Tools.h>
  43
  44 SketchAPI_Constraint::SketchAPI_Constraint(
  45     const std::shared_ptr<ModelAPI_Feature> & theFeature)
  46 : ModelHighAPI_Interface(theFeature)
  47 {
  48   ConstraintPtr aConstraint = std::dynamic_pointer_cast<SketchPlugin_Constraint>(theFeature);
  49   if (aConstraint)
  50     initialize();
  51 }
  52
  53 SketchAPI_Constraint::~SketchAPI_Constraint()
  54 {
  55 }
  56
  57 bool SketchAPI_Constraint::initialize()
  58 {
  59   if (!feature()) {
  60     throwException("Constraint exception: The feature is NULL.");
  61     return false;
  62   }
  63   return true;
  64 }
  65
  66 static const std::string& constraintTypeToSetter(const std::string& theType)
  67 {
  68   if (theType == SketchPlugin_ConstraintCoincidence::ID()) {
  69     static const std::string COINCIDENCE_SETTER("setCoincident");
  70     return COINCIDENCE_SETTER;
  71   }
  72   if (theType == SketchPlugin_ConstraintAngle::ID()) {
  73     static const std::string ANGLE_SETTER("setAngle");
  74     return ANGLE_SETTER;
  75   }
  76   if (theType == SketchPlugin_ConstraintCollinear::ID()) {
  77     static const std::string COLLINEAR_SETTER("setCollinear");
  78     return COLLINEAR_SETTER;
  79   }
  80   if (theType == SketchPlugin_ConstraintDistance::ID()) {
  81     static const std::string DISTANCE_SETTER("setDistance");
  82     return DISTANCE_SETTER;
  83   }
  84   if (theType == SketchPlugin_ConstraintEqual::ID()) {
  85     static const std::string EQUAL_SETTER("setEqual");
  86     return EQUAL_SETTER;
  87   }
  88   if (theType == SketchPlugin_ConstraintHorizontal::ID()) {
  89     static const std::string HORIZONTAL_SETTER("setHorizontal");
  90     return HORIZONTAL_SETTER;
  91   }
  92   if (theType == SketchPlugin_ConstraintLength::ID()) {
  93     static const std::string LENGTH_SETTER("setLength");
  94     return LENGTH_SETTER;
  95   }
  96   if (theType == SketchPlugin_ConstraintMiddle::ID()) {
  97     static const std::string MIDDLE_SETTER("setMiddlePoint");
  98     return MIDDLE_SETTER;
  99   }
 100   if (theType == SketchPlugin_ConstraintParallel::ID()) {
 101     static const std::string PARALLEL_SETTER("setParallel");
 102     return PARALLEL_SETTER;
 103   }
 104   if (theType == SketchPlugin_ConstraintPerpendicular::ID()) {
 105     static const std::string PERPENDICULAR_SETTER("setPerpendicular");
 106     return PERPENDICULAR_SETTER;
 107   }
 108   if (theType == SketchPlugin_ConstraintRadius::ID()) {
 109     static const std::string RADIUS_SETTER("setRadius");
 110     return RADIUS_SETTER;
 111   }
 112   if (theType == SketchPlugin_ConstraintRigid::ID()) {
 113     static const std::string FIXED_SETTER("setFixed");
 114     return FIXED_SETTER;
 115   }
 116   if (theType == SketchPlugin_ConstraintTangent::ID()) {
 117     static const std::string TANGENT_SETTER("setTangent");
 118     return TANGENT_SETTER;
 119   }
 120   if (theType == SketchPlugin_ConstraintVertical::ID()) {
 121     static const std::string VERTICAL_SETTER("setVertical");
 122     return VERTICAL_SETTER;
 123   }
 124
 125   static const std::string DUMMY;
 126   return DUMMY;
 127 }
 128
 129 static std::string angleTypeToString(int theAngleType)
 130 {
 131   switch (theAngleType) {
 132   case SketcherPrs_Tools::ANGLE_COMPLEMENTARY:
 133     return std::string("Complementary");
 134   case SketcherPrs_Tools::ANGLE_BACKWARD:
 135     return std::string("Backward");
 136   default:
 137     break;
 138   }
 139   return std::string();
 140 }
 141
 142 void SketchAPI_Constraint::dump(ModelHighAPI_Dumper& theDumper) const
 143 {
 144   FeaturePtr aBase = feature();
 145   const std::string& aSetter = constraintTypeToSetter(aBase->getKind());
 146   if (aSetter.empty())
 147     return; // incorrect constraint type
 148
 149   // do not need to dump "Fixed" constraint for external object
 150   if (aBase->getKind() == SketchPlugin_ConstraintRigid::ID()) {
 151     AttributeRefAttrPtr aRefAttr = aBase->refattr(SketchPlugin_Constraint::ENTITY_A());
 152     FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
 153     if (!aFeature)
 154       return;
 155     AttributeSelectionPtr aAttr =
 156       aFeature->data()->selection(SketchPlugin_SketchEntity::EXTERNAL_ID());
 157     if (aAttr && aAttr->context().get() != NULL && !aAttr->isInvalid())
 158       return;
 159   }
 160
 161   bool isAngle = aBase->getKind() == SketchPlugin_ConstraintAngle::ID();
 162   std::string aSetterSuffix;
 163   if (isAngle)
 164     aSetterSuffix = angleTypeToString(aBase->integer(
 165                     SketchPlugin_ConstraintAngle::TYPE_ID())->value());
 166
 167   const std::string& aSketchName = theDumper.parentName(aBase);
 168   theDumper << aBase << " = " << aSketchName << "." << aSetter << aSetterSuffix << "(";
 169
 170   bool isFirstAttr = true;
 171   for (int i = 0; i < CONSTRAINT_ATTR_SIZE; ++i) {
 172     AttributeRefAttrPtr aRefAttr = aBase->refattr(SketchPlugin_Constraint::ATTRIBUTE(i));
 173     if (aRefAttr && aRefAttr->isInitialized()) {
 174       theDumper << (isFirstAttr ? "" : ", ") << aRefAttr;
 175       isFirstAttr = false;
 176     }
 177   }
 178
 179   AttributeDoublePtr aValueAttr = aBase->real(
 180       isAngle ? SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID() :SketchPlugin_Constraint::VALUE());
 181   if (aValueAttr && aValueAttr->isInitialized())
 182     theDumper << ", " << aValueAttr;
 183
 184   theDumper << ")" << std::endl;
 185 }