#refs 156 - Behavior of the Sketch during edition

[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ConstraintLength.cpp

diff --git a/src/SketchPlugin/SketchPlugin_ConstraintLength.cpp b/src/SketchPlugin/SketchPlugin_ConstraintLength.cpp
index 94f23ae872d71596462cfc77dc844f7ee91c4cbf..ff8a480b46ea314aad8fe37a1e8d0a78d7a5e0a8 100644 (file)
--- a/src/SketchPlugin/SketchPlugin_ConstraintLength.cpp
+++ b/src/SketchPlugin/SketchPlugin_ConstraintLength.cpp
@@ -31,23 +31,21 @@ void SketchPlugin_ConstraintLength::initAttributes()
 
 void SketchPlugin_ConstraintLength::execute()
 {
-  if (data()->attribute(SketchPlugin_Constraint::ENTITY_A())->isInitialized()
-      && !data()->attribute(SketchPlugin_Constraint::VALUE())->isInitialized()) {
-
-    boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef = boost::dynamic_pointer_cast<
-        ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
-    FeaturePtr aFeature = ModelAPI_Feature::feature(aRef->object());
-    if (aFeature) {
-      // set length value
-      boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<
-          GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::START_ID()));
-      boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 = boost::dynamic_pointer_cast<
-          GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::END_ID()));
-
-      double aLenght = aPoint1->pnt()->distance(aPoint2->pnt());
-
-      boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = boost::dynamic_pointer_cast<
-          ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+  boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef = boost::dynamic_pointer_cast<
+      ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
+  FeaturePtr aFeature = ModelAPI_Feature::feature(aRef->object());
+  if (aFeature) {
+    // set length value
+    boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<
+        GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::START_ID()));
+    boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 = boost::dynamic_pointer_cast<
+        GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::END_ID()));
+
+    double aLenght = aPoint1->pnt()->distance(aPoint2->pnt());
+
+    boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = boost::dynamic_pointer_cast<
+        ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+    if(!aValueAttr->isInitialized()) {
       aValueAttr->setValue(aLenght);
     }
   }
@@ -79,10 +77,17 @@ AISObjectPtr SketchPlugin_ConstraintLength::getAISObject(AISObjectPtr thePreviou
 
   boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aStartPoint->x(), aStartPoint->y());
   boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(anEndPoint->x(), anEndPoint->y());
-  boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt =
-      aFlyOutAttr->isInitialized() ?
-          sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()) : boost::shared_ptr<GeomAPI_Pnt>();
-
+  boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = boost::shared_ptr<GeomAPI_Pnt>();
+  if (aFlyOutAttr->isInitialized()) {
+    aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
+  } else {
+    boost::shared_ptr<GeomAPI_Lin2d> aLine = 
+      boost::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aStartPoint->pnt(), anEndPoint->pnt()));
+    double aDist = aPoint1->distance(aPoint2)/5.;
+    boost::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
+    aFlyOutAttr->setValue(aFPnt);
+    aFlyoutPnt = sketch()->to3D(aFPnt->x(), aFPnt->y());
+  }
   // value calculation
   boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = boost::dynamic_pointer_cast<
       ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
@@ -105,8 +110,8 @@ void SketchPlugin_ConstraintLength::move(double theDeltaX, double theDeltaY)
   if (!aData->isValid())
     return;
 
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
       aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
-  aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
+  aPoint->move(theDeltaX, theDeltaY);
 }