+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
// File: SketchPlugin_Arc.h
// Created: 26 May 2014
// Author: Artem ZHIDKOV
-#ifndef SketchPlugin_Arc_HeaderFile
-#define SketchPlugin_Arc_HeaderFile
+#ifndef SketchPlugin_Arc_H_
+#define SketchPlugin_Arc_H_
#include "SketchPlugin.h"
-#include <SketchPlugin_Feature.h>
+#include <SketchPlugin_SketchEntity.h>
#include <SketchPlugin_Sketch.h>
-
-/// Arc feature kind
-const std::string SKETCH_ARC_KIND("SketchArc");
-
-/// Central 2D point of the circle which contains the arc
-const std::string ARC_ATTR_CENTER("ArcCenter");
-/// Start 2D point of the arc
-const std::string ARC_ATTR_START("ArcStartPoint");
-/// End 2D point of the arc
-const std::string ARC_ATTR_END("ArcEndPoint");
+#include <GeomAPI_IPresentable.h>
/**\class SketchPlugin_Arc
- * \ingroup DataModel
+ * \ingroup Plugins
* \brief Feature for creation of the new arc of circle in PartSet.
+ * The visualization of this object is separated in two parts. The first one is an AIS object
+ * calculated when there is non-initialized attributes of the arc. The second is a result and
+ * it is calculated if all attributes are initialized.
*/
-class SketchPlugin_Arc: public SketchPlugin_Feature
+class SketchPlugin_Arc : public SketchPlugin_SketchEntity, public GeomAPI_IPresentable
{
-public:
+ /// to avoid cyclic dependencies in automatic updates: they mean that
+ /// update is performed right now and automatic updates are not needed
+ bool myStartUpdate, myEndUpdate;
+ /// to avoid (if possible) additional modification of changed coordinate (issue #855)
+ double myXEndBefore, myYEndBefore;
+
+ /// to define in which direction draw arc
+ double myParamBefore;
+
+ public:
+ /// Arc feature kind
+ inline static const std::string& ID()
+ {
+ static const std::string MY_SKETCH_ARC_ID("SketchArc");
+ return MY_SKETCH_ARC_ID;
+ }
+
+ inline static const std::string& ARC_TYPE()
+ {
+ static const std::string TYPE("ArcType");
+ return TYPE;
+ }
+
+ inline static const std::string& ARC_TYPE_TANGENT()
+ {
+ static const std::string TYPE("Tangent");
+ return TYPE;
+ }
+
+ static const std::string& TANGENT_POINT_ID()
+ {
+ static const std::string TANGENT_PNT("ArcTangentPoint");
+ return TANGENT_PNT;
+ }
+
+ /// Central 2D point of the circle which contains the arc
+ inline static const std::string& CENTER_ID()
+ {
+ static const std::string MY_CENTER_ID = "ArcCenter";
+ return MY_CENTER_ID;
+ }
+ /// Start 2D point of the arc
+ inline static const std::string& START_ID()
+ {
+ static const std::string MY_START_ID = "ArcStartPoint";
+ return MY_START_ID;
+ }
+ /// End 2D point of the arc
+ inline static const std::string& END_ID()
+ {
+ static const std::string MY_END_ID = "ArcEndPoint";
+ return MY_END_ID;
+ }
+
+ /// Inversed flag
+ inline static const std::string& INVERSED_ID()
+ {
+ static const std::string MY_INVERSED_ID("InversedArc");
+ return MY_INVERSED_ID;
+ }
+
/// Returns the kind of a feature
SKETCHPLUGIN_EXPORT virtual const std::string& getKind()
- {static std::string MY_KIND = SKETCH_ARC_KIND; return MY_KIND;}
+ {
+ static std::string MY_KIND = SketchPlugin_Arc::ID();
+ return MY_KIND;
+ }
+
+ /// Returns true is sketch element is under the rigid constraint
+ SKETCHPLUGIN_EXPORT virtual bool isFixed();
/// Creates an arc-shape
SKETCHPLUGIN_EXPORT virtual void execute();
- /// Request for initialization of data model of the feature: adding all attributes
- SKETCHPLUGIN_EXPORT virtual void initAttributes();
+ /// Called on change of any argument-attribute of this object
+ /// \param theID identifier of changed attribute
+ SKETCHPLUGIN_EXPORT virtual void attributeChanged(const std::string& theID);
/// Returns the AIS preview
- SKETCHPLUGIN_EXPORT virtual boost::shared_ptr<GeomAPI_AISObject> getAISObject(
- boost::shared_ptr<GeomAPI_AISObject> thePrevious);
-
- /// Adds sub-feature of the higher level feature (sub-element of the sketch)
- /// \param theFeature sub-feature
- SKETCHPLUGIN_EXPORT virtual const void addSub(
- const FeaturePtr& theFeature) {};
+ virtual AISObjectPtr getAISObject(AISObjectPtr thePrevious);
/// Moves the feature
/// \param theDeltaX the delta for X coordinate is moved
/// \param theDeltaY the delta for Y coordinate is moved
SKETCHPLUGIN_EXPORT virtual void move(const double theDeltaX, const double theDeltaY);
- /// Return the distance between the feature and the point
- /// \param thePoint the point
- virtual double distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint);
+ /// Updates the "reversed" flag
+ /// \param isReversed whether the arc will be reversed
+ void setReversed(bool isReversed);
+ /// Returns \c true is the arc is reversed
+ bool isReversed();
/// Use plugin manager for features creation
SketchPlugin_Arc();
+
+protected:
+ /// \brief Initializes attributes of derived class.
+ virtual void initDerivedClassAttributes();
+
+private:
+ /// Returns true if all obligatory attributes are initialized
+ bool isFeatureValid();
+
+ /// Update attributes like passed point, radius and angle of the arc
+ void updateDependentAttributes();
+
+ /// Compose constraints to build tangency arc
+ void tangencyArcConstraints();
+
+ /// Project end point of arc to the circle
+ void projectEndPoint();
};
#endif