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Fix for the issue #2753 : error when dump/load script
[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ConstraintAngle.cpp
index c298122ba5299b4766a0b60a437306938a6b1e64..89c61105ce430d444ba5582aea0191ea31cd8c2e 100644 (file)
@@ -1,15 +1,35 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
-
-// File:    SketchPlugin_ConstraintAngle.cpp
-// Created: 19 August 2015
-// 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_ConstraintAngle.h"
 #include <SketchPlugin_Line.h>
+#include <SketcherPrs_Tools.h>
 
 #include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeInteger.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
+
 #include <GeomDataAPI_Point2D.h>
 
+#include <GeomAPI_Angle2d.h>
 #include <GeomAPI_Dir2d.h>
 #include <GeomAPI_Lin2d.h>
 #include <GeomAPI_Pnt2d.h>
 #include <SketcherPrs_Factory.h>
 #include <SketcherPrs_Tools.h>
 
+#include <math.h>
+
 const double tolerance = 1.e-7;
 #define PI 3.1415926535897932
 
+/// \brief Calculate intersection point of two lines
+static std::shared_ptr<GeomAPI_Pnt2d> intersect(FeaturePtr theLine1, FeaturePtr theLine2);
+
 
 SketchPlugin_ConstraintAngle::SketchPlugin_ConstraintAngle()
 {
+  myFlyoutUpdate = false;
 }
 
 void SketchPlugin_ConstraintAngle::initAttributes()
@@ -31,19 +57,58 @@ void SketchPlugin_ConstraintAngle::initAttributes()
   data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
   data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
+  data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
+
+  data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID(),
+                       ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(SketchPlugin_ConstraintAngle::TYPE_ID(),
+                       ModelAPI_AttributeInteger::typeId());
+
+  data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_FIRST_LINE_ID(),
+                       ModelAPI_AttributeBoolean::typeId());
+  data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_SECOND_LINE_ID(),
+                       ModelAPI_AttributeBoolean::typeId());
+
+  data()->addAttribute(SketchPlugin_ConstraintAngle::LOCATION_TYPE_ID(),
+                       ModelAPI_AttributeInteger::typeId());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), LOCATION_TYPE_ID());
+}
+
+void SketchPlugin_ConstraintAngle::colorConfigInfo(std::string& theSection, std::string& theName,
+                                                   std::string& theDefault)
+{
+  theSection = "Visualization";
+  theName = "sketch_dimension_color";
+  theDefault = SKETCH_DIMENSION_COLOR;
 }
 
 void SketchPlugin_ConstraintAngle::execute()
 {
   std::shared_ptr<ModelAPI_Data> aData = data();
-  AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
-      aData->attribute(SketchPlugin_Constraint::VALUE()));
 
-  if(anAttrValue->isInitialized())
+  std::shared_ptr<ModelAPI_AttributeRefAttr> anAttrA =
+    aData->refattr(SketchPlugin_Constraint::ENTITY_A());
+  std::shared_ptr<ModelAPI_AttributeRefAttr> anAttrB =
+    aData->refattr(SketchPlugin_Constraint::ENTITY_B());
+  if (!anAttrA->isInitialized() || !anAttrB->isInitialized())
     return;
 
-  double anAngle = calculateAngle();
-  anAttrValue->setValue(anAngle);
+  AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+      aData->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
+
+  if (!anAttrValue->isInitialized()) {
+    double anAngle = calculateAngle();
+    anAttrValue->setValue(anAngle);
+    updateConstraintValueByAngleValue();
+  }
+  // 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_ConstraintAngle::getAISObject(AISObjectPtr thePrevious)
@@ -51,76 +116,232 @@ AISObjectPtr SketchPlugin_ConstraintAngle::getAISObject(AISObjectPtr thePrevious
   if (!sketch())
     return thePrevious;
 
-  AISObjectPtr anAIS = thePrevious;
-  if (!anAIS) {
-    anAIS = SketcherPrs_Factory::angleConstraint(this, sketch()->coordinatePlane());
-  }
+  AISObjectPtr anAIS = SketcherPrs_Factory::angleConstraint(this, sketch()->coordinatePlane(),
+                                                            thePrevious);
   return anAIS;
 }
 
 void SketchPlugin_ConstraintAngle::attributeChanged(const std::string& theID)
 {
-  if (theID == SketchPlugin_Constraint::ENTITY_A() || 
-      theID == SketchPlugin_Constraint::ENTITY_B()) {
-    std::shared_ptr<ModelAPI_Data> aData = data();
-    if (!aData)
-      return;
+  std::shared_ptr<ModelAPI_Data> aData = data();
+  if (!aData)
+    return;
   FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
   FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
-    if (!aLineA || !aLineB)
+  if (!aLineA || !aLineB)
+    return;
+
+  if (theID == SketchPlugin_Constraint::ENTITY_A() ||
+      theID == SketchPlugin_Constraint::ENTITY_B()) {
+    AttributeDoublePtr aValueAttr = real(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID());
+    AttributeDoublePtr aConstrValueAttr = real(SketchPlugin_Constraint::VALUE());
+    // only if one of attributes is not initialized, try to compute the current value
+    if (!aValueAttr->isInitialized() || !aConstrValueAttr->isInitialized()) {
+      if (aValueAttr->isInitialized() && !aConstrValueAttr->isInitialized())
+        // initialize base value of constraint
+        updateConstraintValueByAngleValue();
+      double anAngle = calculateAngle();
+      aValueAttr->setValue(anAngle);
+      updateConstraintValueByAngleValue();
+    }
+  } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
+    // Recalculate flyout point in local coordinates
+    // coordinates are calculated according to the center of shapes intersection
+    std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+
+    std::shared_ptr<ModelAPI_Data> aData = data();
+    std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
+    FeaturePtr aLineA =
+      SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
+    FeaturePtr aLineB =
+      SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+
+    // Intersection of lines
+    std::shared_ptr<GeomAPI_Pnt2d> anInter = intersect(aLineA, aLineB);
+    if (!anInter)
       return;
 
+    myFlyoutUpdate = true;
+    std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutAttr->pnt()->xy()->decreased(anInter->xy());
+    if (aFlyoutDir->dot(aFlyoutDir) < tolerance * tolerance)
+      aFlyoutAttr->setValue(aFlyoutAttr->x() + tolerance, aFlyoutAttr->y());
+    myFlyoutUpdate = false;
+  }
+  else if (theID == SketchPlugin_ConstraintAngle::TYPE_ID()) {
     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 anAngle = calculateAngle();
+      ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
+    double anAngle = calculateAngle();
+    if (aValueAttr->text().empty())
+      aValueAttr->setValue(anAngle);
+    else {
+      aValueAttr = std::dynamic_pointer_cast<
+        ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::VALUE()));
       aValueAttr->setValue(anAngle);
     }
   }
+  else if (theID == SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()) {
+    updateConstraintValueByAngleValue();
+  }
 }
 
 double SketchPlugin_ConstraintAngle::calculateAngle()
 {
-  double anAngle = 0.0;
+  std::shared_ptr<ModelAPI_Data> aData = data();
+  std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
+  FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
+  FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+
+  std::shared_ptr<GeomDataAPI_Point2D> aStartA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aLineA->attribute(SketchPlugin_Line::START_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aEndA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aLineA->attribute(SketchPlugin_Line::END_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aStartB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aLineB->attribute(SketchPlugin_Line::START_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aEndB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      aLineB->attribute(SketchPlugin_Line::END_ID()));
+
+  std::shared_ptr<GeomAPI_Angle2d> anAng;
+  if (!attribute(ANGLE_REVERSED_FIRST_LINE_ID())->isInitialized() ||
+      !attribute(ANGLE_REVERSED_SECOND_LINE_ID())->isInitialized())
+    anAng = std::shared_ptr<GeomAPI_Angle2d>(new GeomAPI_Angle2d(
+        aStartA->pnt(), aEndA->pnt(), aStartB->pnt(), aEndB->pnt()));
+  else {
+    std::shared_ptr<GeomAPI_Lin2d> aLine1(new GeomAPI_Lin2d(aStartA->pnt(), aEndA->pnt()));
+    bool isReversed1 = boolean(ANGLE_REVERSED_FIRST_LINE_ID())->value();
+    std::shared_ptr<GeomAPI_Lin2d> aLine2(new GeomAPI_Lin2d(aStartB->pnt(), aEndB->pnt()));
+    bool isReversed2 = boolean(ANGLE_REVERSED_SECOND_LINE_ID())->value();
+    anAng = std::shared_ptr<GeomAPI_Angle2d>(
+      new GeomAPI_Angle2d(aLine1, isReversed1, aLine2, isReversed2));
+  }
+  double anAngle = anAng->angleDegree();
+  std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeDouble>(data()->attribute(VALUE()));
+  std::shared_ptr<ModelAPI_AttributeDouble> anAngleValueAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeDouble>(data()->attribute(ANGLE_VALUE_ID()));
+  if (!aValueAttr->isInitialized())
+    aValueAttr->setValue(anAngle);
+  /// an angle value should be corrected by the current angle type
+  anAngle = getAngleForType(anAngleValueAttr->text().empty() ?
+                            anAngle : anAngleValueAttr->value());
+  boolean(ANGLE_REVERSED_FIRST_LINE_ID())->setValue(anAng->isReversed(0));
+  boolean(ANGLE_REVERSED_SECOND_LINE_ID())->setValue(anAng->isReversed(1));
+  return anAngle;
+}
+
+double SketchPlugin_ConstraintAngle::getAngleForType(double theAngle, bool isPreviousValueObtuse)
+{
+  double anAngle = theAngle;
 
   std::shared_ptr<ModelAPI_Data> aData = data();
+  std::shared_ptr<ModelAPI_AttributeInteger> aTypeAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeInteger>(aData->attribute(SketchPlugin_ConstraintAngle::TYPE_ID()));
+  SketcherPrs_Tools::AngleType anAngleType = (SketcherPrs_Tools::AngleType)(aTypeAttr->value());
+  switch (anAngleType) {
+    case SketcherPrs_Tools::ANGLE_DIRECT:
+      anAngle = theAngle;
+    break;
+    case SketcherPrs_Tools::ANGLE_COMPLEMENTARY: {
+      if (theAngle > 180 || isPreviousValueObtuse)
+        anAngle = theAngle - 180.0;
+      else
+        anAngle = 180.0 - theAngle;
+
+      if (anAngle < 0.0)
+        anAngle += 360.0;
+    }
+    break;
+    case SketcherPrs_Tools::ANGLE_BACKWARD:
+      anAngle = 360.0 - theAngle;
+    break;
+    default:
+      break;
+  }
+  return anAngle;
+}
+
+void SketchPlugin_ConstraintAngle::updateConstraintValueByAngleValue()
+{
+  std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+    ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
+  double anAngle = aValueAttr->value();
+
+  /// an angle value should be corrected by the current angle type
+  aValueAttr = std::dynamic_pointer_cast<
+                  ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+  if (!aValueAttr->isInitialized())
+    calculateAngle();
+  anAngle = getAngleForType(anAngle, aValueAttr->value() > 180.0);
+  aValueAttr->setValue(anAngle);
+}
+
+bool SketchPlugin_ConstraintAngle::compute(const std::string& theAttributeId)
+{
+  if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
+    return false;
+  if (!sketch())
+    return false;
+
+  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+                           GeomDataAPI_Point2D>(attribute(theAttributeId));
+  if (aFlyOutAttr->isInitialized() &&
+      (fabs(aFlyOutAttr->x()) >= tolerance || fabs(aFlyOutAttr->y()) >= tolerance))
+    return false;
+
+  DataPtr aData = data();
   std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
   FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
   FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
 
+  if ((aLineA.get() == NULL) || (aLineB.get() == NULL))
+    return false;
+
   // Start and end points of lines
   std::shared_ptr<GeomDataAPI_Point2D> aPointA1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
       aLineA->attribute(SketchPlugin_Line::START_ID()));
   std::shared_ptr<GeomDataAPI_Point2D> aPointA2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
       aLineA->attribute(SketchPlugin_Line::END_ID()));
 
+  std::shared_ptr<GeomAPI_Pnt2d> aStartA = aPointA1->pnt();
+  std::shared_ptr<GeomAPI_Pnt2d> aEndA   = aPointA2->pnt();
+  if (aStartA->distance(aEndA) < tolerance)
+    return false;
+
+  myFlyoutUpdate = true;
+  double aX = (aStartA->x() + aEndA->x()) / 2.;
+  double aY = (aStartA->y() + aEndA->y()) / 2.;
+
+  aFlyOutAttr->setValue(aX, aY);
+  myFlyoutUpdate = false;
+
+  return true;
+}
+
+
+// ===============   Auxiliary functions   ==================================
+std::shared_ptr<GeomAPI_Pnt2d> intersect(FeaturePtr theLine1, FeaturePtr theLine2)
+{
+  // Start and end points of lines
+  std::shared_ptr<GeomDataAPI_Point2D> aPointA1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theLine1->attribute(SketchPlugin_Line::START_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aPointA2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theLine1->attribute(SketchPlugin_Line::END_ID()));
+
   std::shared_ptr<GeomDataAPI_Point2D> aPointB1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-      aLineB->attribute(SketchPlugin_Line::START_ID()));
+      theLine2->attribute(SketchPlugin_Line::START_ID()));
   std::shared_ptr<GeomDataAPI_Point2D> aPointB2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-      aLineB->attribute(SketchPlugin_Line::END_ID()));
+      theLine2->attribute(SketchPlugin_Line::END_ID()));
 
   std::shared_ptr<GeomAPI_Pnt2d> aStartA = aPointA1->pnt();
   std::shared_ptr<GeomAPI_Pnt2d> aEndA   = aPointA2->pnt();
   std::shared_ptr<GeomAPI_Pnt2d> aStartB = aPointB1->pnt();
   std::shared_ptr<GeomAPI_Pnt2d> aEndB   = aPointB2->pnt();
   if (aStartA->distance(aEndA) < tolerance || aStartB->distance(aEndB) < tolerance)
-    return anAngle;
+    std::shared_ptr<GeomAPI_Pnt2d>();
 
   // Lines and their intersection point
   std::shared_ptr<GeomAPI_Lin2d> aLA(new GeomAPI_Lin2d(aStartA, aEndA));
   std::shared_ptr<GeomAPI_Lin2d> aLB(new GeomAPI_Lin2d(aStartB, aEndB));
-  std::shared_ptr<GeomAPI_Pnt2d> anInter = aLA->intersect(aLB);
-  if (!anInter)
-    return anAngle;
-
-  // Directions of lines
-  if (anInter->distance(aEndA) < tolerance)
-    aEndA = aStartA;
-  if (anInter->distance(aEndB) < tolerance)
-    aEndB = aStartB;
-  std::shared_ptr<GeomAPI_Dir2d> aDirA(new GeomAPI_Dir2d(aEndA->xy()->decreased(anInter->xy())));
-  std::shared_ptr<GeomAPI_Dir2d> aDirB(new GeomAPI_Dir2d(aEndB->xy()->decreased(anInter->xy())));
-
-  anAngle = aDirA->angle(aDirB) * 180.0 / PI;
-  return anAngle;
+  return aLA->intersect(aLB);
 }