X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_ConstraintCoincidence.cpp;h=b1fb8be9733879d14069da7b70a04eef4054b8f7;hb=1105bfe31c0304ffacd85363d070322049d564f1;hp=a78e1b4efc2d0b7b0aeddfc959586679345ecb63;hpb=7fcf163a8a369889707c5b73eeeb2bc68a4b906e;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_ConstraintCoincidence.cpp b/src/SketchPlugin/SketchPlugin_ConstraintCoincidence.cpp
index a78e1b4ef..b1fb8be97 100644
--- a/src/SketchPlugin/SketchPlugin_ConstraintCoincidence.cpp
+++ b/src/SketchPlugin/SketchPlugin_ConstraintCoincidence.cpp
@@ -6,13 +6,25 @@
 
 #include "SketchPlugin_ConstraintCoincidence.h"
 
+#include <SketchPlugin_Arc.h>
+#include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Line.h>
+#include <SketchPlugin_Point.h>
+
 #include <SketcherPrs_Factory.h>
 
 #include <ModelAPI_AttributeDouble.h>
 #include <ModelAPI_Data.h>
-#include <SketchPlugin_Point.h>
 #include <GeomDataAPI_Dir.h>
 #include <GeomDataAPI_Point.h>
+#include <GeomDataAPI_Point2D.h>
+
+#include <GeomAPI_Circ2d.h>
+#include <GeomAPI_Dir2d.h>
+#include <GeomAPI_Lin2d.h>
+
+/// \brief Update coordinates of the point to be correctly placed on the feature
+static void adjustPointOnEntity(std::shared_ptr<GeomDataAPI_Point2D> thePoint, FeaturePtr theFeature);
 
 SketchPlugin_ConstraintCoincidence::SketchPlugin_ConstraintCoincidence()
 {
@@ -36,7 +48,77 @@ AISObjectPtr SketchPlugin_ConstraintCoincidence::getAISObject(AISObjectPtr thePr
   AISObjectPtr anAIS = thePrevious;
   if (!anAIS) {
     anAIS = SketcherPrs_Factory::coincidentConstraint(this, sketch()->coordinatePlane());
-    anAIS->setColor(0, 0, 255);
   }
   return anAIS;
 }
+
+void SketchPlugin_ConstraintCoincidence::attributeChanged(const std::string& theID)
+{
+  if (theID == ENTITY_A() || theID == ENTITY_B()) {
+    AttributeRefAttrPtr anAttrA = 
+        std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(attribute(ENTITY_A()));
+    AttributeRefAttrPtr anAttrB = 
+        std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(attribute(ENTITY_B()));
+
+    if (!anAttrA || !anAttrB || (!anAttrA->isObject() && !anAttrB->isObject()))
+      return;
+
+    if (anAttrA->isObject()) {
+      AttributeRefAttrPtr aTransient = anAttrA;
+      anAttrA = anAttrB;
+      anAttrB = aTransient;
+    }
+
+    std::shared_ptr<GeomDataAPI_Point2D> aPoint =
+        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrA->attr());
+    FeaturePtr aFeature;
+    if (anAttrB->object())
+      aFeature = ModelAPI_Feature::feature(anAttrB->object());
+
+    // Adjust position of a point lying on a line or arc
+    if (aPoint && aFeature)
+      adjustPointOnEntity(aPoint, aFeature);
+  }
+}
+
+
+
+
+// =======   Auxiliary functions   ================================================
+void adjustPointOnEntity(std::shared_ptr<GeomDataAPI_Point2D> thePoint, FeaturePtr theFeature)
+{
+  if (theFeature->getKind() == SketchPlugin_Line::ID()) {
+    // project point on line
+    std::shared_ptr<GeomDataAPI_Point2D> aStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        theFeature->attribute(SketchPlugin_Line::START_ID()));
+    std::shared_ptr<GeomDataAPI_Point2D> aEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        theFeature->attribute(SketchPlugin_Line::END_ID()));
+
+    std::shared_ptr<GeomAPI_Lin2d> aLine(new GeomAPI_Lin2d(aStart->pnt(), aEnd->pnt()));
+    std::shared_ptr<GeomAPI_Pnt2d> aProjected = aLine->project(thePoint->pnt());
+    thePoint->setValue(aProjected);
+  }
+  else if (theFeature->getKind() == SketchPlugin_Circle::ID()) {
+    // project point on circle
+    std::shared_ptr<GeomDataAPI_Point2D> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
+    double aRadius = theFeature->real(SketchPlugin_Circle::RADIUS_ID())->value();
+
+    std::shared_ptr<GeomAPI_Dir2d> aDir(new GeomAPI_Dir2d(1.0, 0.0));
+    std::shared_ptr<GeomAPI_Circ2d> aCircle(new GeomAPI_Circ2d(aCenter->pnt(), aDir, aRadius));
+
+    std::shared_ptr<GeomAPI_Pnt2d> aProjected = aCircle->project(thePoint->pnt());
+    thePoint->setValue(aProjected);
+  }
+  else if (theFeature->getKind() == SketchPlugin_Arc::ID()) {
+    // project point on arc
+    std::shared_ptr<GeomDataAPI_Point2D> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
+    std::shared_ptr<GeomDataAPI_Point2D> aStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        theFeature->attribute(SketchPlugin_Arc::START_ID()));
+
+    std::shared_ptr<GeomAPI_Circ2d> aCircle(new GeomAPI_Circ2d(aCenter->pnt(), aStart->pnt()));
+    std::shared_ptr<GeomAPI_Pnt2d> aProjected = aCircle->project(thePoint->pnt());
+    thePoint->setValue(aProjected);
+  }
+}