src/PartSet/PartSet_OperationSketchLine.cpp

   1 // File:        PartSet_OperationSketchLine.h
   2 // Created:     20 Apr 2014
   3 // Author:      Natalia ERMOLAEVA
   4
   5 #include <PartSet_OperationSketchLine.h>
   6
   7 #include <PartSet_Tools.h>
   8
   9 #include <SketchPlugin_Feature.h>
  10 #include <SketchPlugin_Sketch.h>
  11
  12 #include <GeomDataAPI_Point2D.h>
  13 #include <ModelAPI_Data.h>
  14 #include <ModelAPI_Document.h>
  15 #include <ModelAPI_AttributeRefAttr.h>
  16 #include <ModelAPI_AttributeRefList.h>
  17
  18 #include <SketchPlugin_Constraint.h>
  19
  20 #include <Geom_Line.hxx>
  21 #include <gp_Lin.hxx>
  22
  23 #include <XGUI_ViewerPrs.h>
  24
  25 #include <SketchPlugin_Line.h>
  26
  27 #include <V3d_View.hxx>
  28 #include <TopoDS_Vertex.hxx>
  29 #include <TopoDS.hxx>
  30 #include <BRep_Tool.hxx>
  31
  32 #ifdef _DEBUG
  33 #include <QDebug>
  34 #endif
  35
  36 #include <QMouseEvent>
  37
  38 using namespace std;
  39
  40 PartSet_OperationSketchLine::PartSet_OperationSketchLine(const QString& theId,
  41                                                   QObject* theParent,
  42                                               boost::shared_ptr<ModelAPI_Feature> theFeature)
  43 : PartSet_OperationSketchBase(theId, theParent), mySketch(theFeature),
  44   myPointSelectionMode(SM_FirstPoint)
  45 {
  46 }
  47
  48 PartSet_OperationSketchLine::~PartSet_OperationSketchLine()
  49 {
  50 }
  51
  52 bool PartSet_OperationSketchLine::isGranted() const
  53 {
  54   return true;
  55 }
  56
  57 std::list<int> PartSet_OperationSketchLine::getSelectionModes(boost::shared_ptr<ModelAPI_Feature> theFeature) const
  58 {
  59   std::list<int> aModes;
  60   if (theFeature != feature())
  61   {
  62     aModes.push_back(TopAbs_VERTEX);
  63     aModes.push_back(TopAbs_EDGE);
  64   }
  65   return aModes;
  66 }
  67
  68 void PartSet_OperationSketchLine::init(boost::shared_ptr<ModelAPI_Feature> theFeature)
  69 {
  70   if (!theFeature)
  71     return;
  72   // use the last point of the previous feature as the first of the new one
  73   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
  74   myInitPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_END));
  75 }
  76
  77 void PartSet_OperationSketchLine::mouseReleased(QMouseEvent* theEvent, Handle(V3d_View) theView,
  78                                                 const std::list<XGUI_ViewerPrs>& theSelected)
  79 {
  80   double aX, anY;
  81
  82   gp_Pnt aPoint = PartSet_Tools::ConvertClickToPoint(theEvent->pos(), theView);
  83   if (theSelected.empty()) {
  84     PartSet_Tools::ConvertTo2D(aPoint, mySketch, theView, aX, anY);
  85   }
  86   else {
  87     XGUI_ViewerPrs aPrs = theSelected.front();
  88     const TopoDS_Shape& aShape = aPrs.shape();
  89     if (!aShape.IsNull()) // the point is selected
  90     {
  91       if (aShape.ShapeType() == TopAbs_VERTEX) {
  92         const TopoDS_Vertex& aVertex = TopoDS::Vertex(aShape);
  93         if (!aVertex.IsNull()) {
  94           aPoint = BRep_Tool::Pnt(aVertex);
  95           PartSet_Tools::ConvertTo2D(aPoint, mySketch, theView, aX, anY);
  96
  97           setConstraints(aX, anY);
  98         }
  99       }
 100       else if (aShape.ShapeType() == TopAbs_EDGE) // the line is selected
 101       {
 102         boost::shared_ptr<ModelAPI_Feature> aFeature = aPrs.feature();
 103         if (aFeature) {
 104           double X0, X1, X2, X3;
 105           double Y0, Y1, Y2, Y3;
 106           getLinePoint(aFeature, LINE_ATTR_START, X2, Y2);
 107           getLinePoint(aFeature, LINE_ATTR_END, X3, Y3);
 108           PartSet_Tools::ConvertTo2D(aPoint, mySketch, theView, X1, Y1);
 109
 110           switch (myPointSelectionMode) {
 111             case SM_FirstPoint:
 112               PartSet_Tools::ProjectPointOnLine(X2, Y2, X3, Y3, X1, Y1, aX, anY);
 113             break;
 114             case SM_SecondPoint: {
 115               getLinePoint(feature(), LINE_ATTR_START, X0, Y0);
 116               PartSet_Tools::IntersectLines(X0, Y0, X1, Y1, X2, Y2, X3, Y3, aX, anY);
 117             }
 118             break;
 119             default:
 120             break;
 121           }
 122         }
 123       }
 124     }
 125   }
 126   switch (myPointSelectionMode)
 127   {
 128     case SM_FirstPoint: {
 129       setLinePoint(aX, anY, LINE_ATTR_START);
 130       myPointSelectionMode = SM_SecondPoint;
 131     }
 132     break;
 133     case SM_SecondPoint: {
 134       setLinePoint(aX, anY, LINE_ATTR_END);
 135       commit();
 136       emit featureConstructed(feature(), FM_Deactivation);
 137       emit launchOperation(PartSet_OperationSketchLine::Type(), feature());
 138     }
 139     break;
 140     default:
 141       break;
 142   }
 143 }
 144
 145 void PartSet_OperationSketchLine::mouseMoved(QMouseEvent* theEvent, Handle(V3d_View) theView)
 146 {
 147   switch (myPointSelectionMode)
 148   {
 149     case SM_SecondPoint:
 150     {
 151       gp_Pnt aPoint = PartSet_Tools::ConvertClickToPoint(theEvent->pos(), theView);
 152       setLinePoint(aPoint, theView, LINE_ATTR_END);
 153     }
 154     break;
 155     default:
 156       break;
 157   }
 158 }
 159
 160 void PartSet_OperationSketchLine::keyReleased(const int theKey)
 161 {
 162   switch (theKey) {
 163     case Qt::Key_Escape: {
 164       abort();
 165     }
 166     break;
 167     case Qt::Key_Return: {
 168       abort();
 169       emit launchOperation(PartSet_OperationSketchLine::Type(), boost::shared_ptr<ModelAPI_Feature>());
 170     }
 171     break;
 172     default:
 173     break;
 174   }
 175 }
 176
 177 void PartSet_OperationSketchLine::startOperation()
 178 {
 179   PartSet_OperationSketchBase::startOperation();
 180   myPointSelectionMode = !myInitPoint ? SM_FirstPoint : SM_SecondPoint;
 181   emit multiSelectionEnabled(false);
 182 }
 183
 184 void PartSet_OperationSketchLine::abortOperation()
 185 {
 186   emit featureConstructed(feature(), FM_Abort);
 187   PartSet_OperationSketchBase::abortOperation();
 188 }
 189
 190 void PartSet_OperationSketchLine::stopOperation()
 191 {
 192   PartSet_OperationSketchBase::stopOperation();
 193   emit multiSelectionEnabled(true);
 194 }
 195
 196 boost::shared_ptr<ModelAPI_Feature> PartSet_OperationSketchLine::createFeature()
 197 {
 198   boost::shared_ptr<ModelAPI_Feature> aNewFeature = ModuleBase_Operation::createFeature();
 199   if (mySketch) {
 200     boost::shared_ptr<SketchPlugin_Feature> aFeature =
 201                            boost::dynamic_pointer_cast<SketchPlugin_Feature>(mySketch);
 202
 203     aFeature->addSub(aNewFeature);
 204   }
 205   if (myInitPoint) {
 206     boost::shared_ptr<ModelAPI_Data> aData = aNewFeature->data();
 207     boost::shared_ptr<GeomDataAPI_Point2D> aPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>
 208                                                                 (aData->attribute(LINE_ATTR_START));
 209     aPoint->setValue(myInitPoint->x(), myInitPoint->y());
 210
 211     createConstraint(myInitPoint, aPoint);
 212   }
 213
 214   emit featureConstructed(aNewFeature, FM_Activation);
 215   return aNewFeature;
 216 }
 217
 218 void PartSet_OperationSketchLine::createConstraint(boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 219                                                    boost::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 220 {
 221   boost::shared_ptr<ModelAPI_Document> aDoc = document();
 222   boost::shared_ptr<ModelAPI_Feature> aFeature = aDoc->addFeature("SketchConstraintCoincidence");
 223
 224   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 225
 226   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 =
 227         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
 228   aRef1->setAttr(thePoint1);
 229
 230   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 =
 231         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
 232   aRef2->setAttr(thePoint2);
 233
 234   if (aFeature) // TODO: generate an error if feature was not created
 235     aFeature->execute();
 236 }
 237
 238 void PartSet_OperationSketchLine::setConstraints(double theX, double theY)
 239 {
 240   std::string aPointArg;
 241   switch (myPointSelectionMode)
 242   {
 243     case SM_FirstPoint:
 244       aPointArg = LINE_ATTR_START;
 245       break;
 246     case SM_SecondPoint:
 247       aPointArg = LINE_ATTR_END;
 248       break;
 249   }
 250
 251   boost::shared_ptr<ModelAPI_Data> aData = feature()->data();
 252   boost::shared_ptr<GeomDataAPI_Point2D> aPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>
 253                                                               (aData->attribute(aPointArg));
 254   aData = mySketch->data();
 255   boost::shared_ptr<ModelAPI_AttributeRefList> aRefList =
 256         boost::dynamic_pointer_cast<ModelAPI_AttributeRefList>(aData->attribute(SKETCH_ATTR_FEATURES));
 257
 258   std::list<boost::shared_ptr<ModelAPI_Feature> > aFeatures = aRefList->list();
 259   std::list<boost::shared_ptr<ModelAPI_Feature> >::const_iterator anIt = aFeatures.begin(),
 260                                                                   aLast = aFeatures.end();
 261   for (; anIt != aLast; anIt++) {
 262     boost::shared_ptr<ModelAPI_Feature> aFeature = *anIt;
 263     boost::shared_ptr<GeomDataAPI_Point2D> aFPoint = findLinePoint(aFeature, theX, theY);
 264     if (aFPoint)
 265       createConstraint(aFPoint, aPoint);
 266   }
 267 }
 268
 269 void PartSet_OperationSketchLine::getLinePoint(boost::shared_ptr<ModelAPI_Feature> theFeature,
 270                                                const std::string& theAttribute,
 271                                                double& theX, double& theY)
 272 {
 273   if (!theFeature)
 274     return;
 275   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 276   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 277         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(theAttribute));
 278   theX = aPoint->x();
 279   theY = aPoint->y();
 280 }
 281
 282 boost::shared_ptr<GeomDataAPI_Point2D> PartSet_OperationSketchLine::findLinePoint(
 283                                                boost::shared_ptr<ModelAPI_Feature> theFeature,
 284                                                double theX, double theY)
 285 {
 286   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2D;
 287   if (!theFeature)
 288     return aPoint2D;
 289   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 290
 291   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 292         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_START));
 293   if (fabs(aPoint->x() - theX) < Precision::Confusion() && fabs(aPoint->y() - theY) < Precision::Confusion() )
 294     aPoint2D = aPoint;
 295   else {
 296     aPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_END));
 297     if (fabs(aPoint->x() - theX) < Precision::Confusion() && fabs(aPoint->y() - theY) < Precision::Confusion() )
 298       aPoint2D = aPoint;
 299   }
 300   return aPoint2D;
 301 }
 302
 303 void PartSet_OperationSketchLine::setLinePoint(double theX, double theY,
 304                                                const std::string& theAttribute)
 305 {
 306   boost::shared_ptr<ModelAPI_Data> aData = feature()->data();
 307   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 308         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(theAttribute));
 309   aPoint->setValue(theX, theY);
 310 }
 311
 312 void PartSet_OperationSketchLine::setLinePoint(const gp_Pnt& thePoint,
 313                                                Handle(V3d_View) theView,
 314                                                const std::string& theAttribute)
 315 {
 316   double aX, anY;
 317   PartSet_Tools::ConvertTo2D(thePoint, mySketch, theView, aX, anY);
 318   boost::shared_ptr<ModelAPI_Data> aData = feature()->data();
 319   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 320         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(theAttribute));
 321   aPoint->setValue(aX, anY);
 322 }