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Make the external sketch segment not-movable by the user
[modules/shaper.git] / src / SketchPlugin / SketchPlugin_Point.cpp
1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
2
3 // File:    SketchPlugin_Point.cpp
4 // Created: 07 May 2014
5 // Author:  Artem ZHIDKOV
6
7 #include "SketchPlugin_Point.h"
8 #include "SketchPlugin_Sketch.h"
9
10 #include <ModelAPI_Data.h>
11 #include <ModelAPI_ResultConstruction.h>
12 #include <ModelAPI_AttributeSelection.h>
13 #include <ModelAPI_Validator.h>
14 #include <ModelAPI_Session.h>
15
16 #include <GeomAPI_Pnt2d.h>
17 #include <GeomAPI_Vertex.h>
18 #include <GeomDataAPI_Point2D.h>
19 #include <GeomAlgoAPI_PointBuilder.h>
20
21 using namespace std;
22
23 SketchPlugin_Point::SketchPlugin_Point()
24     : SketchPlugin_SketchEntity()
25 {
26 }
27
28 void SketchPlugin_Point::initAttributes()
29 {
30   SketchPlugin_SketchEntity::initAttributes();
31
32   data()->addAttribute(SketchPlugin_Point::COORD_ID(), GeomDataAPI_Point2D::typeId());
33   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
34   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
35 }
36
37 void SketchPlugin_Point::execute()
38 {
39   SketchPlugin_Sketch* aSketch = sketch();
40   if (aSketch) {
41     // compute a point in 3D view
42     std::shared_ptr<GeomDataAPI_Point2D> aPoint =
43         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
44             data()->attribute(SketchPlugin_Point::COORD_ID()));
45     std::shared_ptr<GeomAPI_Pnt> aPoint3D(aSketch->to3D(aPoint->x(), aPoint->y()));
46     // make a visible point
47     std::shared_ptr<GeomAPI_Shape> aPointShape = GeomAlgoAPI_PointBuilder::point(aPoint3D);
48     std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(data());
49     aConstr->setShape(aPointShape);
50     aConstr->setIsInHistory(false);
51     setResult(aConstr);
52   }
53 }
54
55 void SketchPlugin_Point::move(double theDeltaX, double theDeltaY)
56 {
57   std::shared_ptr<ModelAPI_Data> aData = data();
58   if (!aData->isValid())
59     return;
60
61   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
62       aData->attribute(SketchPlugin_Point::COORD_ID()));
63   aPoint1->move(theDeltaX, theDeltaY);
64 }
65
66 double SketchPlugin_Point::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
67 {
68   std::shared_ptr<ModelAPI_Data> aData = data();
69   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
70       aData->attribute(SketchPlugin_Point::COORD_ID()));
71
72   return aPoint->pnt()->distance(thePoint);
73 }
74
75 bool SketchPlugin_Point::isFixed() {
76   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
77 }
78
79 void SketchPlugin_Point::attributeChanged(const std::string& theID) {
80   // the second condition for unability to move external point anywhere
81   if (theID == EXTERNAL_ID() || isFixed()) {
82     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
83      // update arguments due to the selection value
84     if (aSelection && !aSelection->isNull() && aSelection->isVertex()) {
85       std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aSelection));
86       std::shared_ptr<GeomDataAPI_Point2D> aCoordAttr = 
87         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(COORD_ID()));
88       aCoordAttr->setValue(sketch()->to2D(aVertex->point()));
89     }
90   }
91 }