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AttachableObject.cpp
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AttachableObject.cpp
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/***************************************************************************
* 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>
#include <App/Application.h>
#include <App/FeaturePythonPyImp.h>
#include "AttachableObjectPy.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");
ADD_PROPERTY_TYPE(MapMode, (mmDeactivated), "Attachment", App::Prop_None, "Mode of attachment to other object");
MapMode.setEnums(AttachEngine::eMapModeStrings);
//a rough test if mode string list in Attacher.cpp is in sync with eMapMode enum.
assert(MapMode.getEnumVector().size() == mmDummy_NumberOfModes);
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();
}
bool AttachableObject::positionBySupport()
{
if (!_attacher)
throw Base::Exception("AttachableObject: can't positionBySupport, because no AttachEngine is set.");
updateAttacherVals();
try{
this->Placement.setValue(_attacher->calculateAttachedPlacement(this->Placement.getValue()));
return true;
} catch (ExceptionCancel) {
//disabled, don't do anything
return false;
};
}
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();
}
namespace Attacher {
void setReadonlyness(App::Property &prop, bool on)
{
unsigned long status = prop.getStatus();
prop.setStatus(App::Property::ReadOnly, on);
if (status != prop.getStatus())
App::GetApplication().signalChangePropertyEditor(prop);
}
}
void AttachableObject::onChanged(const App::Property* prop)
{
if(! this->isRestoring()){
if ((prop == &Support
|| prop == &MapMode
|| prop == &MapPathParameter
|| prop == &MapReversed
|| prop == &superPlacement)){
bool bAttached = false;
try{
bAttached = 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());
}
eMapMode mmode = eMapMode(this->MapMode.getValue());
setReadonlyness(this->superPlacement, !bAttached);
setReadonlyness(this->Placement, bAttached && mmode != mmTranslate); //for mmTranslate, orientation should remain editable even when attached.
}
}
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());
}
namespace App {
/// @cond DOXERR
PROPERTY_SOURCE_TEMPLATE(Part::AttachableObjectPython, Part::AttachableObject)
template<> const char* Part::AttachableObjectPython::getViewProviderName(void) const {
return "PartGui::ViewProviderPython";
}
template<> PyObject* Part::AttachableObjectPython::getPyObject(void) {
if (PythonObject.is(Py::_None())) {
// ref counter is set to 1
PythonObject = Py::Object(new FeaturePythonPyT<Part::AttachableObjectPy>(this),true);
}
return Py::new_reference_to(PythonObject);
}
/// @endcond
// explicit template instantiation
template class PartExport FeaturePythonT<Part::AttachableObject>;
}