X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_Arc.h;h=296b849bc0bebb6204d094c1aec97b784095c37a;hb=d73b65e0b6e8c38fc7fdcbd302e69b51db4082d8;hp=df87c1e3c2b616895a1ddcdaaa9acda36ba5fad4;hpb=037c2e978c242407cc2e4357a84c3ffead3e877d;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_Arc.h b/src/SketchPlugin/SketchPlugin_Arc.h
index df87c1e3c..296b849bc 100644
--- a/src/SketchPlugin/SketchPlugin_Arc.h
+++ b/src/SketchPlugin/SketchPlugin_Arc.h
@@ -1,21 +1,36 @@
+// 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>
+#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()
   {
@@ -42,32 +57,54 @@ public:
     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 = SketchPlugin_Arc::ID(); 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
-  virtual boost::shared_ptr<GeomAPI_AISObject> getAISObject(
-                                boost::shared_ptr<GeomAPI_AISObject> thePrevious)
-  {return simpleAISObject(firstResult(), thePrevious);}
+  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();
 };
 
 #endif