Sketcher: new attachment engine

2015-06-29 20:27:52 +03:00
parent 1b754d35c5
commit 93fff0e65f
9 changed files with 1565 additions and 181 deletions
--- a/src/Mod/Part/App/AttachableObject.cpp
+++ b/src/Mod/Part/App/AttachableObject.cpp
@@ -0,0 +1,131 @@
+/***************************************************************************
+ *   Copyright (c) Victor Titov (DeepSOIC)                                 *
+ *                                           (vv.titov@gmail.com) 2015     *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+#endif
+
+#include "AttachableObject.h"
+
+#include <Base/Console.h>
+
+
+
+using namespace Part;
+using namespace Attacher;
+
+PROPERTY_SOURCE(Part::AttachableObject, Part::Feature);
+
+AttachableObject::AttachableObject()
+   :  _attacher(0)
+{
+    ADD_PROPERTY_TYPE(Support, (0,0), "Attachment",(App::PropertyType)(App::Prop_None),"Support of the 2D geometry");
+
+    //It is necessary to default to mmToFlatFace, in order to load old files
+    ADD_PROPERTY_TYPE(MapMode, (mmFlatFace), "Attachment", App::Prop_None, "Mode of attachment to other object");
+    MapMode.setEnums(AttachEngine::eMapModeStrings);
+
+    ADD_PROPERTY_TYPE(MapReversed, (false), "Attachment", App::Prop_None, "Reverse Z direction (flip sketch upside down)");
+
+    ADD_PROPERTY_TYPE(MapPathParameter, (0.0), "Attachment", App::Prop_None, "Sets point of curve to map the sketch to. 0..1 = start..end");
+
+    ADD_PROPERTY_TYPE(superPlacement, (Base::Placement()), "Attachment", App::Prop_None, "Extra placement to apply in addition to attachment (in local coordinates)");
+
+    setAttacher(new AttachEngine3D);//default attacher
+}
+
+AttachableObject::~AttachableObject()
+{
+    if(_attacher)
+        delete _attacher;
+}
+
+void AttachableObject::setAttacher(AttachEngine* attacher)
+{
+    if (_attacher)
+        delete _attacher;
+    _attacher = attacher;
+    updateAttacherVals();
+}
+
+void AttachableObject::positionBySupport()
+{
+    if (!_attacher)
+        return;
+    updateAttacherVals();
+    try{
+        this->Placement.setValue(_attacher->calculateAttachedPlacement(this->Placement.getValue()));
+    } catch (ExceptionCancel) {
+        //disabled, don't do anything
+    };
+}
+
+App::DocumentObjectExecReturn *AttachableObject::execute()
+{
+    if(this->isTouched_Mapping()) {
+        try{
+            positionBySupport();
+        } catch (Base::Exception &e) {
+            return new App::DocumentObjectExecReturn(e.what());
+        } catch (Standard_Failure &e){
+            return new App::DocumentObjectExecReturn(e.GetMessageString());
+        }
+    }
+    return Part::Feature::execute();
+}
+
+void AttachableObject::onChanged(const App::Property* prop)
+{
+    if(! this->isRestoring()){
+        try{
+            if ((prop == &Support
+                 || prop == &MapMode
+                 || prop == &MapPathParameter
+                 || prop == &MapReversed
+                 || prop == &superPlacement))
+                positionBySupport();
+        } catch (Base::Exception &e) {
+            this->setError();
+            Base::Console().Error("PositionBySupport: &s",e.what());
+            //set error message - how?
+        } catch (Standard_Failure &e){
+            this->setError();
+            Base::Console().Error("PositionBySupport: &s",e.GetMessageString());
+        }
+    }
+    Part::Feature::onChanged(prop);
+}
+
+void AttachableObject::updateAttacherVals()
+{
+    if (!_attacher)
+        return;
+    _attacher->setUp(this->Support,
+                     eMapMode(this->MapMode.getValue()),
+                     this->MapReversed.getValue(),
+                     this->MapPathParameter.getValue(),
+                     0.0,0.0,
+                     this->superPlacement.getValue());
+}
+
+