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Merge branch 'master' into Dev_1.1.0
[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ConstraintLength.cpp
index 1a82f07250a180008166d883e1f6adce84140ad7..06cf90cb77f4ae0bd4a29de0bfbc8efab441f9a9 100644 (file)
@@ -1,3 +1,5 @@
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
 // File:    SketchPlugin_ConstraintLength.cpp
 // Created: 30 May 2014
 // Author:  Artem ZHIDKOV
@@ -16,7 +18,7 @@
 #include <GeomAPI_Lin2d.h>
 #include <GeomAPI_Pnt2d.h>
 
-
+#include <Config_PropManager.h>
 
 SketchPlugin_ConstraintLength::SketchPlugin_ConstraintLength()
 {
@@ -24,86 +26,150 @@ SketchPlugin_ConstraintLength::SketchPlugin_ConstraintLength()
 
 void SketchPlugin_ConstraintLength::initAttributes()
 {
-  data()->addAttribute(SketchPlugin_Constraint::VALUE(),    ModelAPI_AttributeDouble::type());
-  data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::type());
-  data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::type());
+  data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
+  data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
 }
 
 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 = SketchPlugin_Sketch::getFeature(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()));
-      aValueAttr->setValue(aLenght);
+  std::shared_ptr<ModelAPI_AttributeRefAttr> aRef = std::dynamic_pointer_cast<
+      ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
+  FeaturePtr aFeature = ModelAPI_Feature::feature(aRef->object());
+  if (aFeature) {
+    // set length value
+    std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<
+        GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::START_ID()));
+    std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<
+        GeomDataAPI_Point2D>(aFeature->data()->attribute(SketchPlugin_Line::END_ID()));
+
+    double aLenght = aPoint1->pnt()->distance(aPoint2->pnt());
+
+    //std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+    //    ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+    //if(!aValueAttr->isInitialized()) {
+    //  aValueAttr->setValue(aLenght);
+    //}
+
+    // the value should to be computed here, not in the getAISObject in order to change the model value
+    // inside the object transaction. This is important for creating a constraint by preselection.
+    // The display of the presentation in this case happens after the transaction commit
+    AttributePtr aFlyOutAttribute = data()->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
+    if (!aFlyOutAttribute->isInitialized()) {
+      compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
     }
   }
 }
 
-boost::shared_ptr<GeomAPI_AISObject> SketchPlugin_ConstraintLength::getAISObject(
-                    boost::shared_ptr<GeomAPI_AISObject> thePrevious)
+bool SketchPlugin_ConstraintLength::compute(const std::string& theAttributeId)
 {
-  if (!sketch())
-    return thePrevious;
+  if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
+    return false;
 
-  boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+  std::shared_ptr<GeomAPI_Pnt> aPoint1, aPoint2;
+  std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, anEndPoint;
+  if (!getPoints(aPoint1, aPoint2, aStartPoint, anEndPoint))
+    return false;
 
-  boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = 
-    boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
-  if (!anAttr)
-    return thePrevious;
-  FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
-  if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
-    return thePrevious;
+  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+      GeomDataAPI_Point2D>(data()->attribute(theAttributeId));
 
-  boost::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = 
-    boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+  std::shared_ptr<GeomAPI_Lin2d> aLine = 
+    std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aStartPoint->pnt(), anEndPoint->pnt()));
+  double aDist = aPoint1->distance(aPoint2)/5.;
+  std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
+  aFlyOutAttr->setValue(aFPnt);
 
-  DataPtr aData = aFeature->data();
-  boost::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
-    boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::START_ID()));
-  boost::shared_ptr<GeomDataAPI_Point2D> anEndPoint =
-      boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
+  return true;
+}
 
-  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>();
+bool SketchPlugin_ConstraintLength::getPoints(
+  std::shared_ptr<GeomAPI_Pnt>& thePoint1, std::shared_ptr<GeomAPI_Pnt>& thePoint2,
+  std::shared_ptr<GeomDataAPI_Point2D>& theStartPoint,
+  std::shared_ptr<GeomDataAPI_Point2D>& theEndPoint)
+{
+  if (!sketch())
+    return false;
+  std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+  std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
+  if (!anAttr)
+    return false;
+  FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
+  if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
+    return false;
+  DataPtr aData = aFeature->data();
+  theStartPoint = std::dynamic_pointer_cast<
+      GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::START_ID()));
+  theEndPoint = std::dynamic_pointer_cast<
+      GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
+  thePoint1 = sketch()->to3D(theStartPoint->x(), theStartPoint->y());
+  thePoint2 = sketch()->to3D(theEndPoint->x(), theEndPoint->y());
+  return true;
+}
 
+AISObjectPtr SketchPlugin_ConstraintLength::getAISObject(AISObjectPtr thePrevious)
+{
+  std::shared_ptr<GeomAPI_Pnt> aPoint1, aPoint2;
+  std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, anEndPoint;
+  if (!getPoints(aPoint1, aPoint2, aStartPoint, anEndPoint))
+    return thePrevious; // not possible to show length because points are not defined
+
+  AttributePtr aFlyOutAttribute = data()->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
+  if (!aFlyOutAttribute->isInitialized()) {
+    return thePrevious; // not possible to show length because points are not defined
+  }
+  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+                                                          GeomDataAPI_Point2D>(aFlyOutAttribute);
+  std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
   // value calculation
-  boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = 
-    boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
-  double aValue = aValueAttr->value();
-
-  boost::shared_ptr<GeomAPI_AISObject> anAIS = thePrevious;
+  // TODO: has to be calculated on definition of reference object
+  double aDistance = aPoint1->distance(aPoint2);
+  std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+  double aValue = aDistance;
+  if (aValueAttr->isInitialized())
+    aValue = aValueAttr->value();
+  else 
+    aValueAttr->setValue(aValue);
+  // End TODO
+
+  AISObjectPtr anAIS = thePrevious;
   if (!anAIS)
-    anAIS = boost::shared_ptr<GeomAPI_AISObject>(new GeomAPI_AISObject);
+    anAIS = AISObjectPtr(new GeomAPI_AISObject);
+  std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
   anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
+
+  // Set color from preferences
+  std::vector<int> aRGB = Config_PropManager::color("Visualization", "sketch_dimension_color",
+                                                    SKETCH_DIMENSION_COLOR);
+  anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
   return anAIS;
 }
 
 void SketchPlugin_ConstraintLength::move(double theDeltaX, double theDeltaY)
 {
-  boost::shared_ptr<ModelAPI_Data> aData = data();
+  std::shared_ptr<ModelAPI_Data> aData = data();
   if (!aData->isValid())
     return;
 
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
-        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
-  aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+  aPoint->move(theDeltaX, theDeltaY);
 }
 
+void SketchPlugin_ConstraintLength::attributeChanged(const std::string& theID) {
+  if (theID == SketchPlugin_Constraint::ENTITY_A()) 
+  {
+    std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+    if (!aValueAttr->isInitialized()) { // only if it is not initialized, try to compute the current value
+      std::shared_ptr<GeomAPI_Pnt> aPoint1, aPoint2;
+      std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, anEndPoint;
+      if (getPoints(aPoint1, aPoint2, aStartPoint, anEndPoint)) {
+        double aLength = aPoint1->distance(aPoint2);
+        aValueAttr->setValue(aLength);
+      }
+    }
+  }
+}