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Main fix of this integration is in ConstraintRigid. The AIS should be created uncondi...
[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ConstraintDistance.cpp
index 092d3c74cfedc4cfdcc5714e9eac186edc6cfd0c..11672f77a14bd074d4cf09d1a91ffdc1124a6bde 100644 (file)
@@ -1,3 +1,5 @@
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
 // File:    SketchPlugin_ConstraintDistance.cpp
 // Created: 23 May 2014
 // Author:  Artem ZHIDKOV
@@ -7,8 +9,13 @@
 #include <SketchPlugin_Circle.h>
 #include <SketchPlugin_Line.h>
 
+#include <SketcherPrs_Tools.h>
+#include <SketcherPrs_Factory.h>
+
+#include <GeomAPI_Dir2d.h>
 #include <GeomAPI_Lin2d.h>
 #include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_XY.h>
 #include <GeomDataAPI_Point2D.h>
 
 #include <ModelAPI_AttributeDouble.h>
 
 #include <Config_PropManager.h>
 
+#include <math.h>
+
+const double tolerance = 1e-7;
+
+
 SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
 {
+  myFlyoutUpdate = false;
 }
 
 //*************************************************************************************
 void SketchPlugin_ConstraintDistance::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::ENTITY_B(), 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());
+  data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
 }
 
 //*************************************************************************************
@@ -43,20 +56,33 @@ void SketchPlugin_ConstraintDistance::execute()
   if(aDistance >= 0) {
     anAttrValue->setValue(aDistance);
   }
+
+  // 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
+  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+      GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+  if(!aFlyOutAttr->isInitialized())
+    compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
 }
 
-//*************************************************************************************
-AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
+bool SketchPlugin_ConstraintDistance::compute(const std::string& theAttributeId)
 {
+  if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
+    return false;
+
   if (!sketch())
-    return thePrevious;
+    return false;
 
-  std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+                           GeomDataAPI_Point2D>(attribute(theAttributeId));
+  if (fabs(aFlyOutAttr->x()) >= tolerance || fabs(aFlyOutAttr->y()) >= tolerance)
+    return false;
 
   DataPtr aData = data();
-  std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
       aData, SketchPlugin_Constraint::ENTITY_A());
-  std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
+  std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
       aData, SketchPlugin_Constraint::ENTITY_B());
 
   std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
@@ -66,57 +92,47 @@ AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevi
     aPnt_A = aPoint_A->pnt();
     aPnt_B = aPoint_B->pnt();
   } else if (!aPoint_A && aPoint_B) {
-    std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
+    FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
         aData, SketchPlugin_Constraint::ENTITY_A());
     if (aLine) {
       aPnt_B = aPoint_B->pnt();
-      aPnt_A = getProjectionPoint(aLine, aPnt_B);
+      aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
     }
   } else if (aPoint_A && !aPoint_B) {
-    std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
+    FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
         aData, SketchPlugin_Constraint::ENTITY_B());
     if (aLine) {
       aPnt_A = aPoint_A->pnt();
-      aPnt_B = getProjectionPoint(aLine, aPnt_A);
+      aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
     }
   }
   if (!aPnt_A || !aPnt_B)
-    return AISObjectPtr();
-
-  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
-      GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+    return false;
 
   std::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
   std::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
-  std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = std::shared_ptr<GeomAPI_Pnt>();
-  if(aFlyOutAttr->isInitialized()) {
-    aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
-  } else {
-    std::shared_ptr<GeomAPI_Lin2d> aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
-    double aDist = aPoint1->distance(aPoint2)/5.;
-    std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
-    aFlyOutAttr->setValue(aFPnt);
-    aFlyoutPnt = sketch()->to3D(aFPnt->x(), aFPnt->y());
-  }
-  // value calculation
-  std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
-      ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE()));
-  double aValue = 0;
-  // Issue #196: checking the positivity of the distance constraint
-  // there is a validator for a distance constraint, that the value should be positive
-  // in case if an invalid value is set, the current distance value is shown
-  if (aValueAttr->isInitialized())
-    aValue = aValueAttr->value();
+  // it is not possible to create lin2d on the points with equal position
+  if (aPoint1->distance(aPoint2) < tolerance)
+    return false;
+
+  std::shared_ptr<GeomAPI_Lin2d> aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
+  double aDist = aPoint1->distance(aPoint2)/5.;
+  std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
+  aFlyOutAttr->setValue(aFPnt);
+
+  return true;
+}
+
+//*************************************************************************************
+AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
+{
+  if (!sketch())
+    return thePrevious;
 
   AISObjectPtr anAIS = thePrevious;
-  if (!anAIS)
-    anAIS = AISObjectPtr(new GeomAPI_AISObject);
-  anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
-
-  // Set color from preferences
-  std::vector<int> aRGB = Config_PropManager::color("Visualization", "distance_color",
-                                                    DISTANCE_COLOR);
-  anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
+  if (!anAIS) {
+    anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this, sketch()->coordinatePlane());
+  }
   return anAIS;
 }
 
@@ -127,9 +143,46 @@ void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY)
   if (!aData->isValid())
     return;
 
+  // Recalculate a shift of flyout point in terms of local coordinates
+  std::shared_ptr<GeomAPI_XY> aDir(new GeomAPI_XY(theDeltaX, theDeltaY));
+  std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
+      data(), SketchPlugin_Constraint::ENTITY_A());
+  std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
+      data(), SketchPlugin_Constraint::ENTITY_B());
+
+  std::shared_ptr<GeomAPI_XY> aStartPnt;
+  std::shared_ptr<GeomAPI_XY> aEndPnt;
+  if (aPointA && aPointB) {
+    aStartPnt = aPointA->pnt()->xy();
+    aEndPnt = aPointB->pnt()->xy();
+  } else if (aPointA) {
+    FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
+        SketchPlugin_Constraint::ENTITY_B());
+    if (!aLine)
+      return;
+    std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointA->pnt();
+    aStartPnt = aPoint->xy();
+    aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+  } else if (aPointB) {
+    FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
+        SketchPlugin_Constraint::ENTITY_A());
+    if (!aLine)
+      return;
+    std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
+    aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+    aEndPnt = aPoint->xy();
+  } else
+    return;
+
+  std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
+  double dX = aDir->dot(aLineDir->xy());
+  double dY = -aDir->cross(aLineDir->xy());
+
   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
       aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
-  aPoint->move(theDeltaX, theDeltaY);
+  myFlyoutUpdate = true;
+  aPoint->setValue(aPoint->x() + dX, aPoint->y() + dY);
+  myFlyoutUpdate = false;
 }
 
 double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const
@@ -138,23 +191,25 @@ double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const
 
   std::shared_ptr<ModelAPI_Data> aData = data();
   std::shared_ptr<GeomDataAPI_Point2D> aPointA =
-    getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
+    SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
   std::shared_ptr<GeomDataAPI_Point2D> aPointB =
-      getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
+      SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
 
-  if (aPointA && aPointB) {  // both points
+  if (aPointA.get() && aPointB.get()) {  // both points
     aDistance = aPointA->pnt()->distance(aPointB->pnt());
   } else {
-    if (!aPointA && aPointB) {  //Line and point
-      std::shared_ptr<SketchPlugin_Line> aLine =
-          getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
-      if (aLine) {
+    FeaturePtr aLineFeature;
+    std::shared_ptr<SketchPlugin_Line> aLine;
+    if (!aPointA.get() && aPointB.get()) {  //Line and point
+      aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
+      aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
+      if (aLine.get()) {
         aDistance = aLine->distanceToPoint(aPointB->pnt());
       }
-    } else if (aPointA && !aPointB) {  // Point and line
-      std::shared_ptr<SketchPlugin_Line> aLine =
-          getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
-      if (aLine) {
+    } else if (aPointA.get() && !aPointB.get()) {  // Point and line
+      aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+      aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
+      if (aLine.get()) {
         aDistance = aLine->distanceToPoint(aPointA->pnt());
       }
     }
@@ -162,7 +217,8 @@ double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const
   return aDistance;
 }
 
-void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) {
+void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
+{
   if (theID == SketchPlugin_Constraint::ENTITY_A() || 
       theID == SketchPlugin_Constraint::ENTITY_B()) 
   {
@@ -174,66 +230,65 @@ void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
         aValueAttr->setValue(aDistance);
       }
     }
+  } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
+    myFlyoutUpdate = true;
+    // Recalculate flyout point in local coordinates of the distance constraint:
+    // the X coordinate is a length of projection of the flyout point on the line binding two distanced points
+    //                  or a line of projection of the distanced point onto the distanced segment
+    // the Y coordinate is a distance from the flyout point to the line
+    std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
+        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+    std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
+
+    std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
+        data(), SketchPlugin_Constraint::ENTITY_A());
+    std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
+        data(), SketchPlugin_Constraint::ENTITY_B());
+
+    std::shared_ptr<GeomAPI_XY> aStartPnt;
+    std::shared_ptr<GeomAPI_XY> aEndPnt;
+    if (aPointA && aPointB) {
+      aStartPnt = aPointA->pnt()->xy();
+      aEndPnt = aPointB->pnt()->xy();
+    } else if (aPointA) {
+      FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
+          SketchPlugin_Constraint::ENTITY_B());
+      if (!aLine)
+        return;
+      std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointA->pnt();
+      aStartPnt = aPoint->xy();
+      aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+    } else if (aPointB) {
+      FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
+          SketchPlugin_Constraint::ENTITY_A());
+      if (!aLine)
+        return;
+      std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
+      aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+      aEndPnt = aPoint->xy();
+    } else
+      return;
+
+    std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
+    std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt);
+
+    double X = aFlyoutDir->dot(aLineDir->xy());
+    double Y = -aFlyoutDir->cross(aLineDir->xy());
+    aFlyoutAttr->setValue(X, Y);
+    myFlyoutUpdate = false;
   }
 }
 
-//*************************************************************************************
-std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
-                                                       const std::string& theAttribute)
+bool SketchPlugin_ConstraintDistance::customisePresentation(ResultPtr theResult,
+                                    AISObjectPtr thePrs,
+                                    std::shared_ptr<GeomAPI_ICustomPrs> theDefaultPrs)
 {
-  std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
-
-  if (!theData)
-    return aPointAttr;
-
-  FeaturePtr aFeature;
-  std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
-      ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
-  if (anAttr)
-    aFeature = ModelAPI_Feature::feature(anAttr->object());
-
-  if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
-    aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-        aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
-  else if (aFeature && aFeature->getKind() == SketchPlugin_Circle::ID())
-    aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-        aFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
-  else if (anAttr->attr()) {
-    aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
-  }
-  return aPointAttr;
-}
+  bool isCustomized = false;
+  std::vector<int> aRGB = Config_PropManager::color("Visualization", "sketch_dimension_color",
+                                                    SKETCH_DIMENSION_COLOR);
+  isCustomized = thePrs->setColor(aRGB[0], aRGB[1], aRGB[2]);
 
-//*************************************************************************************
-std::shared_ptr<SketchPlugin_Line> getFeatureLine(DataPtr theData,
-                                                    const std::string& theAttribute)
-{
-  std::shared_ptr<SketchPlugin_Line> aLine;
-  if (!theData)
-    return aLine;
-
-  std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
-      ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
-  if (anAttr) {
-    FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
-    if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) {
-      aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aFeature);
-    }
-  }
-  return aLine;
+  return isCustomized;
 }
 
-//*************************************************************************************
-std::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(
-    const std::shared_ptr<SketchPlugin_Line>& theLine,
-    const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
-{
-  std::shared_ptr<ModelAPI_Data> aData = theLine->data();
-  std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-      aData->attribute(SketchPlugin_Line::START_ID()));
-  std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-      aData->attribute(SketchPlugin_Line::END_ID()));
-
-  GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
-  return aLin2d.project(thePoint);
-}