1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include "SketchPlugin_Line.h"
22 #include "SketchPlugin_Sketch.h"
23 #include "SketchPlugin_ConstraintCoincidence.h"
25 #include <ModelAPI_Data.h>
26 #include <ModelAPI_EventReentrantMessage.h>
27 #include <ModelAPI_ResultConstruction.h>
28 #include <ModelAPI_AttributeSelection.h>
29 #include <ModelAPI_AttributeBoolean.h>
30 #include <ModelAPI_AttributeDouble.h>
31 #include <ModelAPI_Validator.h>
32 #include <ModelAPI_Session.h>
34 #include <GeomAPI_Pnt.h>
35 #include <GeomAPI_Lin2d.h>
36 #include <GeomAPI_Pnt2d.h>
38 #include <GeomAlgoAPI_EdgeBuilder.h>
39 #include <GeomDataAPI_Point2D.h>
41 SketchPlugin_Line::SketchPlugin_Line()
42 : SketchPlugin_SketchEntity()
45 void SketchPlugin_Line::initAttributes()
47 SketchPlugin_SketchEntity::initAttributes();
48 /// new attributes should be added to end of the feature in order to provide
49 /// correct attribute values in previous saved studies
50 data()->addAttribute(LENGTH_ID(), ModelAPI_AttributeDouble::typeId());
53 void SketchPlugin_Line::initDerivedClassAttributes()
55 data()->addAttribute(START_ID(), GeomDataAPI_Point2D::typeId());
56 data()->addAttribute(END_ID(), GeomDataAPI_Point2D::typeId());
57 data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
58 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
61 void SketchPlugin_Line::execute()
63 SketchPlugin_Sketch* aSketch = sketch();
65 // compute a start point in 3D view
66 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
67 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
68 // compute an end point in 3D view
69 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
70 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
71 if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
72 std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
73 std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
74 //std::cout<<"Execute line "<<aStart->x()<<" "<<aStart->y()<<" "<<aStart->z()<<" - "
75 // <<anEnd->x()<<" "<<anEnd->y()<<" "<<anEnd->z()<<std::endl;
77 std::shared_ptr<GeomAPI_Edge> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
79 std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(
81 aConstr->setShape(anEdge);
82 aConstr->setIsInHistory(false);
85 static Events_ID anId = ModelAPI_EventReentrantMessage::eventId();
86 std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage = std::shared_ptr
87 <ModelAPI_EventReentrantMessage>(new ModelAPI_EventReentrantMessage(anId, this));
88 aMessage->setCreatedFeature(ModelAPI_Feature::feature(
89 data()->attribute(START_ID())->owner()));
90 Events_Loop::loop()->send(aMessage);
96 std::string SketchPlugin_Line::processEvent(const std::shared_ptr<Events_Message>& theMessage)
98 std::string aFilledAttributeName;
100 std::shared_ptr<ModelAPI_EventReentrantMessage> aReentrantMessage =
101 std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
102 if (aReentrantMessage.get()) {
103 FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
105 // Initialize new line with first point equal to end of previous
106 std::shared_ptr<ModelAPI_Data> aSFData = aCreatedFeature->data();
107 std::shared_ptr<GeomDataAPI_Point2D> aSPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
108 aSFData->attribute(SketchPlugin_Line::END_ID()));
109 std::shared_ptr<ModelAPI_Data> aNFData = data();
110 std::shared_ptr<GeomDataAPI_Point2D> aNPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
111 aNFData->attribute(SketchPlugin_Line::START_ID()));
112 aNPoint->setValue(aSPoint->x(), aSPoint->y());
113 SketchPlugin_ConstraintCoincidence::createCoincidenceFeature(sketch(), aSPoint, aNPoint);
115 return aFilledAttributeName;
119 double SketchPlugin_Line::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
123 std::shared_ptr<ModelAPI_Data> aData = data();
124 std::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
125 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(START_ID()));
126 std::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
127 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(END_ID()));
129 GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
131 if (false/*projection*/) { // TODO: if it has not been necessary, remove this block
132 std::shared_ptr<GeomAPI_Pnt2d> aResult = aLin2d.project(thePoint);
133 aDelta = aResult->distance(thePoint);
135 aDelta = aLin2d.distance(thePoint);
141 const std::string& SketchPlugin_Line::getKind()
143 static std::string MY_KIND = SketchPlugin_Line::ID();
147 bool SketchPlugin_Line::isFixed() {
148 return data()->selection(EXTERNAL_ID())->context().get() != NULL;
151 void SketchPlugin_Line::attributeChanged(const std::string& theID) {
152 // the second condition for unability to move external segments anywhere
153 // isCopy() is checked temporary for case when copied lines stored external id state
154 // to be removed after debug
155 if ((theID == EXTERNAL_ID() || isFixed()) && !isCopy()) {
156 std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
158 // empty shape in selection shows that the shape is equal to context
159 ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
161 aSelection = anExtRes->shape();
163 // update arguments due to the selection value
164 if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
165 std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
166 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
167 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_ID()));
168 aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
169 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
170 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_ID()));
171 anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
175 else if (theID == START_ID() || theID == END_ID()) {
180 void SketchPlugin_Line::updateLenghtValue()
182 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
183 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
184 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
185 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
186 if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
187 double aDistance = aStartAttr->pnt()->distance(anEndAttr->pnt());
188 data()->real(LENGTH_ID())->setValue(aDistance);