1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: SketchPlugin_ConstraintLength.h
4 // Created: 30 May 2014
5 // Author: Artem ZHIDKOV
7 #ifndef SketchPlugin_ConstraintLength_H_
8 #define SketchPlugin_ConstraintLength_H_
10 #include "SketchPlugin.h"
11 #include "SketchPlugin_ConstraintBase.h"
12 #include "SketchPlugin_Sketch.h"
14 #include <GeomAPI_ICustomPrs.h>
18 class GeomDataAPI_Point2D;
20 /** \class SketchPlugin_ConstraintLength
22 * \brief Feature for creation of a new constraint which defines a length of a line segment
24 * This constraint has two attributes:
25 * SketchPlugin_Constraint::VALUE() (length) and SketchPlugin_Constraint::ENTITY_A() (segment),
26 * SketchPlugin_Constraint::FLYOUT_VALUE_PNT() (distance of a constraints handle)
28 class SketchPlugin_ConstraintLength : public SketchPlugin_ConstraintBase
31 /// Length constraint kind
32 inline static const std::string& ID()
34 static const std::string MY_CONSTRAINT_LENGTH_ID("SketchConstraintLength");
35 return MY_CONSTRAINT_LENGTH_ID;
37 /// \brief Returns the kind of a feature
38 SKETCHPLUGIN_EXPORT virtual const std::string& getKind()
40 static std::string MY_KIND = SketchPlugin_ConstraintLength::ID();
44 /// \brief Creates a new part document if needed
45 SKETCHPLUGIN_EXPORT virtual void execute();
47 /// Computes the attribute value on the base of other attributes if the value can be computed
48 /// \param theAttributeId an attribute index to be computed
49 /// \return a boolean value about it is computed
50 SKETCHPLUGIN_EXPORT virtual bool compute(const std::string& theAttributeId);
52 /// \brief Request for initialization of data model of the feature: adding all attributes
53 SKETCHPLUGIN_EXPORT virtual void initAttributes();
55 /// Retuns the parameters of color definition in the resources config manager
56 SKETCHPLUGIN_EXPORT virtual void colorConfigInfo(std::string& theSection, std::string& theName,
57 std::string& theDefault);
59 /// Returns the AIS preview
60 SKETCHPLUGIN_EXPORT virtual AISObjectPtr getAISObject(AISObjectPtr thePrevious);
63 /// \param theDeltaX the delta for X coordinate is moved
64 /// \param theDeltaY the delta for Y coordinate is moved
65 SKETCHPLUGIN_EXPORT virtual void move(const double theDeltaX, const double theDeltaY);
67 /// Called on change of any argument-attribute of this object
68 /// \param theID identifier of changed attribute
69 SKETCHPLUGIN_EXPORT virtual void attributeChanged(const std::string& theID);
71 /// \brief Use plugin manager for features creation
72 SketchPlugin_ConstraintLength();
74 /// Computes distance between lenght point attributes
75 /// \param theValue [out] distance or 0 if one of point attributes is not initialized
76 /// \return boolean value if distance is computed
77 bool computeLenghtValue(double& theValue);
80 /// retrns the points-base of length, returns false if it is not possible
82 std::shared_ptr<GeomAPI_Pnt>& thePoint1, std::shared_ptr<GeomAPI_Pnt>& thePoint2,
83 std::shared_ptr<GeomDataAPI_Point2D>& theStartPoint,
84 std::shared_ptr<GeomDataAPI_Point2D>& theEndPoint);
87 bool myFlyoutUpdate; ///< to avoid cyclic dependencies on automatic updates of flyout point