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Initial implementation of geometrical naming in the selector.
[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ConstraintDistance.cpp
index 6dfa0d0bd008e203e93b4803ccbcc48e6991d051..e75dcde94be98107862445248b2f20f5319ab821 100644 (file)
-// File:    SketchPlugin_ConstraintDistance.cpp
-// Created: 08 May 2014
-// Author:  Artem ZHIDKOV
+// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
 
 #include "SketchPlugin_ConstraintDistance.h"
+#include <SketchPlugin_Point.h>
+#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 <ModelAPI_AttributeInteger.h>
 #include <ModelAPI_Data.h>
-#include <SketchPlugin_Point.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
+
+#include <Config_PropManager.h>
+
+#include <math.h>
+
+const double tolerance = 1e-7;
+
 
 SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
 {
-  myAttrList.push_back(CONSTRAINT_ATTR_DISTANCE);
+  myFlyoutUpdate = false;
 }
 
-void SketchPlugin_ConstraintDistance::execute()
+//*************************************************************************************
+void SketchPlugin_ConstraintDistance::initAttributes()
 {
+  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());
+  data()->addAttribute(SIGNED(), ModelAPI_AttributeBoolean::typeId());
+
+  data()->addAttribute(SketchPlugin_ConstraintDistance::LOCATION_TYPE_ID(),
+                       ModelAPI_AttributeInteger::typeId());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), LOCATION_TYPE_ID());
 }
 
-
-void SketchPlugin_ConstraintDistance::setAttributes(
-          const double                                  theDistance, 
-          const boost::shared_ptr<SketchPlugin_Feature> theEntityA, 
-          const boost::shared_ptr<SketchPlugin_Feature> theEntityB)
+void SketchPlugin_ConstraintDistance::colorConfigInfo(std::string& theSection, std::string& theName,
+                                                      std::string& theDefault)
 {
-  // Assign the value of the distance
-  data()->addAttribute(CONSTRAINT_ATTR_DISTANCE, ModelAPI_AttributeDouble::type());
-  boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
-    data()->attribute(CONSTRAINT_ATTR_DISTANCE))->setValue(theDistance);
-
-  // Assign parameters of the constraint
-  std::string aPoints[2] = {CONSTRAINT_ATTR_POINT_A, CONSTRAINT_ATTR_POINT_B};
-  std::string anEntities[2] = {CONSTRAINT_ATTR_ENTITY_A, CONSTRAINT_ATTR_ENTITY_B};
-  int aCurPt = 0;
-  int aCurEnt = 0;
-  std::string aCurAttr;
-  // add entityA depending on its type
-  if (theEntityA->getKind() == SketchPlugin_Point().getKind())
-    aCurAttr = aPoints[aCurPt++];
-  else
-    aCurAttr = anEntities[aCurEnt++];
-  myAttrList.push_back(aCurAttr);
-  data()->addAttribute(aCurAttr, ModelAPI_AttributeReference::type());
-  boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(
-    data()->attribute(aCurAttr))->setValue(theEntityA);
-  // add entityB depending on its type
-  if (theEntityB->getKind() == SketchPlugin_Point().getKind())
-    aCurAttr = aPoints[aCurPt++];
-  else
-    aCurAttr = anEntities[aCurEnt++];
-  myAttrList.push_back(aCurAttr);
-  data()->addAttribute(aCurAttr, ModelAPI_AttributeReference::type());
-  boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(
-    data()->attribute(aCurAttr))->setValue(theEntityB);
+  theSection = "Visualization";
+  theName = "sketch_dimension_color";
+  theDefault = SKETCH_DIMENSION_COLOR;
 }
 
-void SketchPlugin_ConstraintDistance::setAttributes(
-          const double                                  theDistance, 
-          const boost::shared_ptr<ModelAPI_Attribute>   thePoint, 
-          const boost::shared_ptr<SketchPlugin_Feature> theEntity)
+//*************************************************************************************
+void SketchPlugin_ConstraintDistance::execute()
 {
-  // Assign the value of the distance
-  data()->addAttribute(CONSTRAINT_ATTR_DISTANCE, ModelAPI_AttributeDouble::type());
-  boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
-    data()->attribute(CONSTRAINT_ATTR_DISTANCE))->setValue(theDistance);
-
-  // Assign reference to the first point
-  myAttrList.push_back(CONSTRAINT_ATTR_POINT_A);
-  data()->addAttribute(CONSTRAINT_ATTR_POINT_A, ModelAPI_AttributeRefAttr::type());
-  //boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
-  //  data()->attribute(CONSTRAINT_ATTR_POINT_A))->setValue(thePoint);
-
-  // Assign reference to the entity
-  std::string aCurAttr;
-  if (theEntity->getKind() == SketchPlugin_Point().getKind())
-    aCurAttr = CONSTRAINT_ATTR_POINT_B;
-  else
-    aCurAttr = CONSTRAINT_ATTR_ENTITY_A;
-  myAttrList.push_back(aCurAttr);
-  data()->addAttribute(aCurAttr, ModelAPI_AttributeReference::type());
-  boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(
-    data()->attribute(aCurAttr))->setValue(theEntity);
+  std::shared_ptr<ModelAPI_Data> aData = data();
+  AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+      aData->attribute(SketchPlugin_Constraint::VALUE()));
+
+  if(anAttrValue->isInitialized())
+    return;
+
+  double aDistance = calculateCurrentDistance();
+  if(aDistance >= 0)
+    anAttrValue->setValue(aDistance);
 }
 
-void SketchPlugin_ConstraintDistance::setAttributes(
-          const double                                  theDistance, 
-          const boost::shared_ptr<ModelAPI_Attribute>   thePointA, 
-          const boost::shared_ptr<ModelAPI_Attribute>   thePointB)
+//*************************************************************************************
+AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
 {
-  // Assign the value of the distance
-  data()->addAttribute(CONSTRAINT_ATTR_DISTANCE, ModelAPI_AttributeDouble::type());
-  boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
-    data()->attribute(CONSTRAINT_ATTR_DISTANCE))->setValue(theDistance);
-
-  // Assign reference to the first point
-  myAttrList.push_back(CONSTRAINT_ATTR_POINT_A);
-  data()->addAttribute(CONSTRAINT_ATTR_POINT_A, ModelAPI_AttributeRefAttr::type());
-  //boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
-  //  data()->attribute(CONSTRAINT_ATTR_POINT_A))->setValue(thePointA);
-
-  // Assign reference to the second point
-  myAttrList.push_back(CONSTRAINT_ATTR_POINT_B);
-  data()->addAttribute(CONSTRAINT_ATTR_POINT_B, ModelAPI_AttributeRefAttr::type());
-  //boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
-  //  data()->attribute(CONSTRAINT_ATTR_POINT_B))->setValue(thePointB);
+  if (!sketch())
+    return thePrevious;
+
+  AISObjectPtr anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this,
+                                                                      sketch()->coordinatePlane(),
+                                                                      thePrevious);
+  return anAIS;
 }
 
-void SketchPlugin_ConstraintDistance::setAttributes(
-          const double                                  theRadius, 
-          const boost::shared_ptr<SketchPlugin_Feature> theCircle)
+double SketchPlugin_ConstraintDistance::calculateCurrentDistance()
 {
-   /// \todo Need to be implemented
+  double aDistance = -1.;
+
+  std::shared_ptr<ModelAPI_Data> aData = data();
+  std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
+  std::shared_ptr<GeomDataAPI_Point2D> aPointA =
+    SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
+  std::shared_ptr<GeomDataAPI_Point2D> aPointB =
+      SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
+
+  if (aPointA.get() && aPointB.get()) {  // both points
+    aDistance = aPointA->pnt()->distance(aPointB->pnt());
+  } else {
+    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.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());
+      }
+    }
+  }
+  return aDistance;
 }
 
-void SketchPlugin_ConstraintDistance::setAttributes(
-          const double                                  theDistance, 
-          const boost::shared_ptr<SketchPlugin_Feature> thePointA, 
-          const boost::shared_ptr<SketchPlugin_Feature> thePointB, 
-          const boost::shared_ptr<SketchPlugin_Feature> theEntity)
+bool SketchPlugin_ConstraintDistance::areAttributesInitialized()
 {
-   /// \todo Need to be implemented. Possibly need to add points by their attributes
+  std::shared_ptr<ModelAPI_Data> aData = data();
+  std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
+  std::shared_ptr<GeomDataAPI_Point2D> aPointA =
+      SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
+  std::shared_ptr<GeomDataAPI_Point2D> aPointB =
+      SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
+
+  if (!aPointA && !aPointB)
+    return false;
+  else if (aPointA || aPointB) {
+    FeaturePtr aLine;
+    if (!aPointA)
+      aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
+    else if (!aPointB)
+      aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+    else // both points are initialized
+      return true;
+
+    if (!aLine || aLine->getKind() != SketchPlugin_Line::ID())
+      return false;
+  }
+  return true;
 }
 
+void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
+{
+  if (theID == SketchPlugin_Constraint::ENTITY_A() ||
+      theID == SketchPlugin_Constraint::ENTITY_B())
+  {
+    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
+      double aDistance = calculateCurrentDistance();
+      if (aDistance > 0) { // set as value the length of updated references
+        aValueAttr->setValue(aDistance);
+      }
+    }
+  } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
+    // 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<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
+    std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
+        data(), SketchPlugin_Constraint::ENTITY_A(), aPlane);
+    std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
+        data(), SketchPlugin_Constraint::ENTITY_B(), aPlane);
+
+    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;
+
+    if (aEndPnt->distance(aStartPnt) < tolerance)
+      return;
+
+    myFlyoutUpdate = true;
+    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;
+  }
+}