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Merge branch 'occ/shaper2smesh'
[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ConstraintLength.cpp
index dac5f926b3824aa66eefcaf3f7237fe8d296f549..ad6ee92b540721d4df98d217917d2eee2c9efc47 100644 (file)
-// File:    SketchPlugin_ConstraintLength.cpp
-// Created: 30 May 2014
-// Author:  Artem ZHIDKOV
+// Copyright (C) 2014-2019  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
+//
 
 #include "SketchPlugin_ConstraintLength.h"
 #include <SketchPlugin_Line.h>
+#include <SketchPlugin_Tools.h>
 
 #include <GeomDataAPI_Point2D.h>
 
+#include <SketcherPrs_Factory.h>
+#include <SketcherPrs_Tools.h>
+
 #include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeInteger.h>
 #include <ModelAPI_Data.h>
+#include <ModelAPI_Result.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
 
 #include <GeomDataAPI_Point2D.h>
 
+#include <GeomAPI_Dir2d.h>
 #include <GeomAPI_Lin2d.h>
 #include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_XY.h>
+
+#include <Config_PropManager.h>
+
+#include <math.h>
 
-#include <AIS_LengthDimension.hxx>
-#include <gp_Pnt.hxx>
-#include <gp_Pln.hxx>
+const double tolerance = 1e-7;
 
 SketchPlugin_ConstraintLength::SketchPlugin_ConstraintLength()
 {
+  myFlyoutUpdate = false;
 }
 
 void SketchPlugin_ConstraintLength::initAttributes()
 {
-  data()->addAttribute(CONSTRAINT_ATTR_VALUE,    ModelAPI_AttributeDouble::type());
-  data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT, GeomDataAPI_Point2D::type());
-  data()->addAttribute(CONSTRAINT_ATTR_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());
+
+  data()->addAttribute(SketchPlugin_ConstraintLength::LOCATION_TYPE_ID(),
+                       ModelAPI_AttributeInteger::typeId());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), LOCATION_TYPE_ID());
 }
 
-void SketchPlugin_ConstraintLength::execute()
+void SketchPlugin_ConstraintLength::colorConfigInfo(std::string& theSection, std::string& theName,
+                                                    std::string& theDefault)
 {
-  if (data()->attribute(CONSTRAINT_ATTR_ENTITY_A)->isInitialized() &&
-      !data()->attribute(CONSTRAINT_ATTR_VALUE)->isInitialized()) {
-
-    boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef =
-      boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(data()->attribute(CONSTRAINT_ATTR_ENTITY_A));
-    FeaturePtr aFeature = aRef->feature();
-    if (aFeature) {
-      // set length value
-      boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
-        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFeature->data()->attribute(LINE_ATTR_START));
-      boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
-        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFeature->data()->attribute(LINE_ATTR_END));
+  theSection = "Visualization";
+  theName = "sketch_dimension_color";
+  theDefault = SKETCH_DIMENSION_COLOR;
+}
 
+void SketchPlugin_ConstraintLength::execute()
+{
+  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()));
+
+    if (aPoint1.get() && aPoint2.get()) {
       double aLenght = aPoint1->pnt()->distance(aPoint2->pnt());
 
-      boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = 
-        boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CONSTRAINT_ATTR_VALUE));
-      aValueAttr->setValue(aLenght);
+      //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());
+      }
     }
   }
 }
 
-Handle(AIS_InteractiveObject) SketchPlugin_ConstraintLength::getAISShape(
-  Handle_AIS_InteractiveObject thePrevious)
+bool SketchPlugin_ConstraintLength::compute(const std::string& theAttributeId)
 {
-  if (!sketch())
-    return thePrevious;
-
-  boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+  if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
+    return false;
+
+  std::shared_ptr<GeomAPI_Pnt> aPoint1, aPoint2;
+  std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, anEndPoint;
+  if (!getPoints(aPoint1, aPoint2, aStartPoint, anEndPoint))
+    return false;
+
+  std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+      GeomDataAPI_Point2D>(data()->attribute(theAttributeId));
+
+  std::shared_ptr<GeomAPI_Lin2d> aLine =
+    std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aStartPoint->pnt(), anEndPoint->pnt()));
+  if (!aFlyOutAttr->isInitialized() ||
+      (fabs(aFlyOutAttr->x()) < tolerance && fabs(aFlyOutAttr->y()) < tolerance)) {
+    double aDist = aPoint1->distance(aPoint2)/5.;
+    std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
+    aFlyOutAttr->setValue(aFPnt);
+  }
 
-  boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = 
-    boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(data()->attribute(CONSTRAINT_ATTR_ENTITY_A));
-  if (!anAttr)
-    return thePrevious;
-  FeaturePtr aFeature = anAttr->feature();
-  if (!aFeature || aFeature->getKind() != SKETCH_LINE_KIND)
-    return thePrevious;
+  return true;
+}
 
-  // fly out calculation
-  boost::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = 
-    boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
-  double aFlyout = 0;
-  if (aFlyOutAttr->isInitialized()) {
-    boost::shared_ptr<GeomAPI_Pnt2d> aFlyOutPnt = aFlyOutAttr->pnt();
-
-    boost::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
-      boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFeature->data()->attribute(LINE_ATTR_START));
-    boost::shared_ptr<GeomDataAPI_Point2D> anEndPoint =
-       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFeature->data()->attribute(LINE_ATTR_END));
-
-    boost::shared_ptr<GeomAPI_Lin2d> aFeatureLin = boost::shared_ptr<GeomAPI_Lin2d>
-                                               (new GeomAPI_Lin2d(aStartPoint->x(), aStartPoint->y(),
-                                                                  anEndPoint->x(), anEndPoint->y()));
-    boost::shared_ptr<GeomAPI_Pnt2d> aProjectedPoint = aFeatureLin->project(aFlyOutPnt);
-    double aDistance = aFlyOutPnt->distance(aProjectedPoint);
-    if (!aFeatureLin->isRight(aFlyOutPnt))
-      aDistance = -aDistance;
-    aFlyout = aDistance;
+bool SketchPlugin_ConstraintLength::computeLenghtValue(double& theValue)
+{
+  bool aResult = false;
+  std::shared_ptr<GeomAPI_Pnt> aPoint1, aPoint2;
+  std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, anEndPoint;
+  if (getPoints(aPoint1, aPoint2, aStartPoint, anEndPoint)) {
+    theValue = aPoint1->distance(aPoint2);
+    aResult = true;
   }
-  // value
-  boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = 
-    boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CONSTRAINT_ATTR_VALUE));
-  double aValue = aValueAttr->value();
+  return aResult;
+}
 
-  boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
-  if (!aData->isValid())
-    return thePrevious;
+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<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;
+}
 
-  boost::shared_ptr<GeomDataAPI_Point2D> aPointStart =
-        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_START));
-  boost::shared_ptr<GeomDataAPI_Point2D> aPointEnd =
-        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_END));
+AISObjectPtr SketchPlugin_ConstraintLength::getAISObject(AISObjectPtr thePrevious)
+{
+  if (!sketch())
+    return thePrevious;
 
-  //Build dimension here
-  boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPointStart->x(), aPointStart->y());
-  boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPointEnd->x(),   aPointEnd->y());
+  AISObjectPtr anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this,
+    sketch(), thePrevious);
+  if (anAIS.get() && !thePrevious.get())
+    SketchPlugin_Tools::setDimensionColor(anAIS);
+  return anAIS;
+}
 
-  Handle(AIS_InteractiveObject) anAIS = thePrevious;
-  if (anAIS.IsNull())
-  {
-    Handle(AIS_LengthDimension) aDimAIS = 
-      new AIS_LengthDimension(aPoint1->impl<gp_Pnt>(), aPoint2->impl<gp_Pnt>(), aPlane->impl<gp_Pln>());
-    aDimAIS->SetCustomValue(aValue);
-
-    Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
-    anAspect->MakeArrows3d (Standard_False);
-    anAspect->MakeText3d(false/*is text 3d*/);
-    anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
-    anAspect->MakeTextShaded(false/*is test shaded*/);
-    aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false/*is units displayed*/);
-    /*if (isUnitsDisplayed)
-    {
-      aDimAIS->SetDisplayUnits (aDimDlg->GetUnits ());
-    }*/
-    aDimAIS->SetDimensionAspect (anAspect);
-    aDimAIS->SetFlyout(aFlyout);
-    aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
-
-    anAIS = aDimAIS;
-  }
-  else
+void SketchPlugin_ConstraintLength::attributeChanged(const std::string& theID) {
+  if (theID == SketchPlugin_Constraint::ENTITY_A())
   {
-    // update presentation
-    Handle(AIS_LengthDimension) aDimAIS = Handle(AIS_LengthDimension)::DownCast(anAIS);
-    if (!aDimAIS.IsNull()) 
-    {
-      aDimAIS->SetMeasuredGeometry(aPoint1->impl<gp_Pnt>(), aPoint2->impl<gp_Pnt>(), aPlane->impl<gp_Pln>());
-      aDimAIS->SetCustomValue(aValue);
-      aDimAIS->SetFlyout(aFlyout);
-
-      aDimAIS->Redisplay(Standard_True);
+    std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+      ModelAPI_AttributeDouble>(attribute(SketchPlugin_Constraint::VALUE()));
+    if (!aValueAttr->isInitialized()) {
+      // only if it is not initialized, try to compute the current value
+      double aLength;
+      if (computeLenghtValue(aLength))
+        aValueAttr->setValue(aLength);
     }
+  } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
+    // Recalculate flyout point in local coordinates of the line:
+    // the X coordinate is a length of projection of the flyout point on the line
+    // the Y coordinate is a distance from the point to the line
+    std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
+        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+    AttributeRefAttrPtr aLineAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+        attribute(SketchPlugin_Constraint::ENTITY_A()));
+    if (!aLineAttr || !aLineAttr->isObject())
+      return;
+    FeaturePtr aLine = ModelAPI_Feature::feature(aLineAttr->object());
+    if (!aLine || aLine->getKind() != SketchPlugin_Line::ID())
+      return;
+
+    std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
+    std::shared_ptr<GeomAPI_XY> aStartPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        aLine->attribute(SketchPlugin_Line::START_ID()))->pnt()->xy();
+    std::shared_ptr<GeomAPI_XY> aEndPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+        aLine->attribute(SketchPlugin_Line::END_ID()))->pnt()->xy();
+
+    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;
   }
-  return anAIS;
 }
-
-void SketchPlugin_ConstraintLength::move(double theDeltaX, double theDeltaY)
-{
-  boost::shared_ptr<ModelAPI_Data> aData = data();
-  if (!aData->isValid())
-    return;
-
-  boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
-        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
-  aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
-}
-