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 email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
20 #include "SketchPlugin_Line.h"
21 #include "SketchPlugin_Sketch.h"
22 #include "SketchPlugin_ConstraintCoincidence.h"
24 #include <ModelAPI_Data.h>
25 #include <ModelAPI_EventReentrantMessage.h>
26 #include <ModelAPI_ResultConstruction.h>
27 #include <ModelAPI_AttributeSelection.h>
28 #include <ModelAPI_AttributeBoolean.h>
29 #include <ModelAPI_AttributeDouble.h>
30 #include <ModelAPI_Validator.h>
31 #include <ModelAPI_Session.h>
33 #include <GeomAPI_Pnt.h>
34 #include <GeomAPI_Lin2d.h>
35 #include <GeomAPI_Pnt2d.h>
37 #include <GeomAlgoAPI_EdgeBuilder.h>
38 #include <GeomDataAPI_Point2D.h>
40 SketchPlugin_Line::SketchPlugin_Line()
41 : SketchPlugin_SketchEntity()
44 void SketchPlugin_Line::initAttributes()
46 SketchPlugin_SketchEntity::initAttributes();
47 /// new attributes should be added to end of the feature in order to provide
48 /// correct attribute values in previous saved studies
49 data()->addAttribute(LENGTH_ID(), ModelAPI_AttributeDouble::typeId());
52 void SketchPlugin_Line::initDerivedClassAttributes()
54 data()->addAttribute(START_ID(), GeomDataAPI_Point2D::typeId());
55 data()->addAttribute(END_ID(), GeomDataAPI_Point2D::typeId());
56 data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
57 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
60 void SketchPlugin_Line::execute()
62 SketchPlugin_Sketch* aSketch = sketch();
64 // compute a start point in 3D view
65 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
66 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
67 // compute an end point in 3D view
68 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
69 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
70 if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
71 std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
72 std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
73 //std::cout<<"Execute line "<<aStart->x()<<" "<<aStart->y()<<" "<<aStart->z()<<" - "
74 // <<anEnd->x()<<" "<<anEnd->y()<<" "<<anEnd->z()<<std::endl;
76 std::shared_ptr<GeomAPI_Edge> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
78 std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(
80 aConstr->setShape(anEdge);
81 aConstr->setIsInHistory(false);
84 static Events_ID anId = ModelAPI_EventReentrantMessage::eventId();
85 std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage = std::shared_ptr
86 <ModelAPI_EventReentrantMessage>(new ModelAPI_EventReentrantMessage(anId, this));
87 aMessage->setCreatedFeature(ModelAPI_Feature::feature(
88 data()->attribute(START_ID())->owner()));
89 Events_Loop::loop()->send(aMessage);
94 void SketchPlugin_Line::move(double theDeltaX, double theDeltaY)
96 std::shared_ptr<ModelAPI_Data> aData = data();
97 if (!aData->isValid())
100 std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>
101 (aData->attribute(START_ID()));
102 aPoint1->move(theDeltaX, theDeltaY);
104 std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>
105 (aData->attribute(END_ID()));
106 aPoint2->move(theDeltaX, theDeltaY);
109 std::string SketchPlugin_Line::processEvent(const std::shared_ptr<Events_Message>& theMessage)
111 std::string aFilledAttributeName;
113 std::shared_ptr<ModelAPI_EventReentrantMessage> aReentrantMessage =
114 std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
115 if (aReentrantMessage.get()) {
116 FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
118 // Initialize new line with first point equal to end of previous
119 std::shared_ptr<ModelAPI_Data> aSFData = aCreatedFeature->data();
120 std::shared_ptr<GeomDataAPI_Point2D> aSPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
121 aSFData->attribute(SketchPlugin_Line::END_ID()));
122 std::shared_ptr<ModelAPI_Data> aNFData = data();
123 std::shared_ptr<GeomDataAPI_Point2D> aNPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
124 aNFData->attribute(SketchPlugin_Line::START_ID()));
125 aNPoint->setValue(aSPoint->x(), aSPoint->y());
126 SketchPlugin_ConstraintCoincidence::createCoincidenceFeature(sketch(), aSPoint, aNPoint);
128 return aFilledAttributeName;
131 double SketchPlugin_Line::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
135 std::shared_ptr<ModelAPI_Data> aData = data();
136 std::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
137 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(START_ID()));
138 std::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
139 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(END_ID()));
141 GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
143 if (false/*projection*/) { // TODO: if it has not been necessary, remove this block
144 std::shared_ptr<GeomAPI_Pnt2d> aResult = aLin2d.project(thePoint);
145 aDelta = aResult->distance(thePoint);
147 aDelta = aLin2d.distance(thePoint);
153 const std::string& SketchPlugin_Line::getKind()
155 static std::string MY_KIND = SketchPlugin_Line::ID();
159 bool SketchPlugin_Line::isFixed() {
160 return data()->selection(EXTERNAL_ID())->context().get() != NULL;
163 void SketchPlugin_Line::attributeChanged(const std::string& theID) {
164 // the second condition for unability to move external segments anywhere
165 // isCopy() is checked temporary for case when copied lines stored external id state
166 // to be removed after debug
167 if ((theID == EXTERNAL_ID() || isFixed()) && !isCopy()) {
168 std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
170 // empty shape in selection shows that the shape is equal to context
171 ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
173 aSelection = anExtRes->shape();
175 // update arguments due to the selection value
176 if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
177 std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
178 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
179 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_ID()));
180 aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
181 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
182 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_ID()));
183 anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
187 else if (theID == START_ID() || theID == END_ID()) {
192 void SketchPlugin_Line::updateLenghtValue()
194 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
195 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
196 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
197 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
198 if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
199 double aDistance = aStartAttr->pnt()->distance(anEndAttr->pnt());
200 data()->real(LENGTH_ID())->setValue(aDistance);