X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_ConstraintLength.h;h=dd16d1a3a781478c97287e320beab29a37b2a88a;hb=64fc7e4fdd63997ec7a502b233ef5f88186d5bbb;hp=3ad18ea20503bb2ca15be070be6be23aa3272716;hpb=c0565e75ce0bd2f2994dc9874c4775cf7a4cb7ad;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_ConstraintLength.h b/src/SketchPlugin/SketchPlugin_ConstraintLength.h
index 3ad18ea20..dd16d1a3a 100644
--- a/src/SketchPlugin/SketchPlugin_ConstraintLength.h
+++ b/src/SketchPlugin/SketchPlugin_ConstraintLength.h
@@ -1,50 +1,81 @@
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
 // File:    SketchPlugin_ConstraintLength.h
 // Created: 30 May 2014
 // Author:  Artem ZHIDKOV
 
-#ifndef SketchPlugin_ConstraintLength_HeaderFile
-#define SketchPlugin_ConstraintLength_HeaderFile
+#ifndef SketchPlugin_ConstraintLength_H_
+#define SketchPlugin_ConstraintLength_H_
 
 #include "SketchPlugin.h"
-#include "SketchPlugin_Constraint.h"
-#include <SketchPlugin_Sketch.h>
+#include "SketchPlugin_ConstraintBase.h"
+#include "SketchPlugin_Sketch.h"
+
+#include <GeomAPI_ICustomPrs.h>
+
 #include <list>
 
-/// Length constraint kind
-const std::string SKETCH_CONSTRAINT_LENGTH_KIND("SketchConstraintLength");
+class GeomDataAPI_Point2D;
 
 /** \class SketchPlugin_ConstraintLength
- *  \ingroup DataModel
+ *  \ingroup Plugins
  *  \brief Feature for creation of a new constraint which defines a length of a line segment
  *
- *  These constraint has two attributes:
- *  CONSTRAINT_ATTR_VALUE (length) and CONSTRAINT_ATTR_ENTITY_A (segment),
- *  CONSTRAINT_ATTR_FLYOUT_VALUE_PNT (distance of a constraints handle)
+ *  This constraint has two attributes:
+ *  SketchPlugin_Constraint::VALUE() (length) and SketchPlugin_Constraint::ENTITY_A() (segment),
+ *  SketchPlugin_Constraint::FLYOUT_VALUE_PNT() (distance of a constraints handle)
  */
-class SketchPlugin_ConstraintLength: public SketchPlugin_Constraint
+class SketchPlugin_ConstraintLength : public SketchPlugin_ConstraintBase
 {
-public:
+ public:
+  /// Length constraint kind
+  inline static const std::string& ID()
+  {
+    static const std::string MY_CONSTRAINT_LENGTH_ID("SketchConstraintLength");
+    return MY_CONSTRAINT_LENGTH_ID;
+  }
   /// \brief Returns the kind of a feature
-  SKETCHPLUGIN_EXPORT virtual const std::string& getKind() 
-  {static std::string MY_KIND = SKETCH_CONSTRAINT_LENGTH_KIND; return MY_KIND;}
+  SKETCHPLUGIN_EXPORT virtual const std::string& getKind()
+  {
+    static std::string MY_KIND = SketchPlugin_ConstraintLength::ID();
+    return MY_KIND;
+  }
 
   /// \brief Creates a new part document if needed
-  SKETCHPLUGIN_EXPORT virtual void execute(boost::shared_ptr<ModelAPI_Result>& theResult);
+  SKETCHPLUGIN_EXPORT virtual void execute();
+
+  /// Computes the attribute value on the base of other attributes if the value can be computed
+  /// \param theAttributeId an attribute index to be computed
+  /// \return a boolean value about it is computed
+  SKETCHPLUGIN_EXPORT virtual bool compute(const std::string& theAttributeId);
 
   /// \brief Request for initialization of data model of the feature: adding all attributes
   SKETCHPLUGIN_EXPORT virtual void initAttributes();
 
   /// Returns the AIS preview
-  SKETCHPLUGIN_EXPORT virtual boost::shared_ptr<GeomAPI_AISObject> getAISObject(
-                                boost::shared_ptr<GeomAPI_AISObject> thePrevious);
+  SKETCHPLUGIN_EXPORT 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);
 
+  /// 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);
+
   /// \brief Use plugin manager for features creation
   SketchPlugin_ConstraintLength();
+
+private:
+  // retrns the points-base of length, returns false if it is not possible
+  bool 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);
+
+private:
+  bool myFlyoutUpdate; ///< to avoid cyclic dependencies on automatic updates of flyout point
 };
 
 #endif