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/***************************************************************************
* Copyright (c) 2023 WandererFan <wandererfan@gmail.com> *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Wire.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRepLProp_CLProps.hxx>
#include <App/Application.h>
#include <App/Document.h>
#include <App/MeasureManager.h>
#include <Mod/Part/App/PartFeature.h>
#include "MeasureRadius.h"
using namespace Measure;
PROPERTY_SOURCE(Measure::MeasureRadius, Measure::MeasureBase)
MeasureRadius::MeasureRadius()
{
ADD_PROPERTY_TYPE(Element, (nullptr), "Measurement", App::Prop_None, "Element to get the radius from");
Element.setScope(App::LinkScope::Global);
Element.setAllowExternal(true);
ADD_PROPERTY_TYPE(
Radius,
(0.0),
"Measurement",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"Radius of selection"
);
}
MeasureRadius::~MeasureRadius() = default;
//! validate all the object+subelement pairs in the selection. Must be circle or arc
//! and have a geometry handler available. We only calculate radius if there is a
//! single valid item in the selection
bool MeasureRadius::isValidSelection(const App::MeasureSelection& selection)
{
if (selection.empty() || selection.size() > 1) {
// too few or too many selections
return false;
}
auto element = selection.front();
auto type = App::MeasureManager::getMeasureElementType(element);
if (type == App::MeasureElementType::INVALID) {
return false;
}
if (type != App::MeasureElementType::CIRCLE && type != App::MeasureElementType::ARC) {
return false;
}
return true;
}
//! return true if the selection is particularly interesting to MeasureRadius.
//! In this case we claim circles and arcs.
bool MeasureRadius::isPrioritizedSelection(const App::MeasureSelection& selection)
{
if (selection.size() != 1) {
return false;
}
auto element = selection.front();
auto type = App::MeasureManager::getMeasureElementType(element);
if (type == App::MeasureElementType::CIRCLE || type == App::MeasureElementType::ARC) {
return true;
}
return false;
}
//! Set properties from first item in selection. assumes a valid selection.
void MeasureRadius::parseSelection(const App::MeasureSelection& selection)
{
auto element = selection.front();
auto objT = element.object;
std::vector<std::string> subElementList {objT.getSubName()};
Element.setValue(objT.getObject(), subElementList);
}
App::DocumentObjectExecReturn* MeasureRadius::execute()
{
auto info = getMeasureInfoFirst();
if (!info || !info->valid) {
return new App::DocumentObjectExecReturn("Cannot calculate radius");
}
Radius.setValue(info->radius);
return DocumentObject::StdReturn;
}
void MeasureRadius::onChanged(const App::Property* prop)
{
if (isRestoring() || isRemoving()) {
return;
}
if (prop == &Element) {
auto ret = recompute();
delete ret;
}
MeasureBase::onChanged(prop);
}
//! return a placement (location + orientation) for the first element
Base::Placement MeasureRadius::getPlacement() const
{
auto loc = getMeasureInfoFirst()->pointOnCurve;
auto p = Base::Placement();
p.setPosition(loc);
return p;
}
//! return the pointOnCurve element in MeasureRadiusInfo for the first element
Base::Vector3d MeasureRadius::getPointOnCurve() const
{
return getMeasureInfoFirst()->pointOnCurve;
}
//! get the handler's result for the first element
Part::MeasureRadiusInfoPtr MeasureRadius::getMeasureInfoFirst() const
{
const App::DocumentObject* object = Element.getValue();
const std::vector<std::string>& subElements = Element.getSubValues();
if (!object || subElements.empty()) {
// NOLINTNEXTLINE(modernize-return-braced-init-list)
return std::make_shared<Part::MeasureRadiusInfo>();
}
App::SubObjectT subject {object, subElements.front().c_str()};
auto info = getMeasureInfo(subject);
if (!info || !info->valid) {
// NOLINTNEXTLINE(modernize-return-braced-init-list)
return std::make_shared<Part::MeasureRadiusInfo>();
}
auto radiusInfo = std::dynamic_pointer_cast<Part::MeasureRadiusInfo>(info);
return radiusInfo;
}
//! Return the object we are measuring
//! used by the viewprovider in determining visibility
std::vector<App::DocumentObject*> MeasureRadius::getSubject() const
{
return {Element.getValue()};
}
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