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/***************************************************************************
* Copyright (c) 2023 David Friedli <david[at]friedli-be.ch> *
* *
* 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 <App/PropertyContainer.h>
#include <App/Application.h>
#include <App/MeasureManager.h>
#include <App/Document.h>
#include "MeasurePosition.h"
using namespace Measure;
PROPERTY_SOURCE(Measure::MeasurePosition, Measure::MeasureBase)
MeasurePosition::MeasurePosition()
{
ADD_PROPERTY_TYPE(Element, (nullptr), "Measurement", App::Prop_None, "Element to get the position from");
Element.setScope(App::LinkScope::Global);
Element.setAllowExternal(true);
ADD_PROPERTY_TYPE(
Position,
(0.0, 0.0, 0.0),
"Measurement",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"The absolute position"
);
}
MeasurePosition::~MeasurePosition() = default;
bool MeasurePosition::isValidSelection(const App::MeasureSelection& selection)
{
if (selection.empty() || selection.size() > 1) {
return false;
}
for (auto element : selection) {
auto type = App::MeasureManager::getMeasureElementType(element);
if (type == App::MeasureElementType::INVALID) {
return false;
}
if (type != App::MeasureElementType::POINT) {
return false;
}
}
return true;
}
void MeasurePosition::parseSelection(const App::MeasureSelection& selection)
{
// Set properties from selection, method is only invoked when isValid Selection returns true
for (auto element : selection) {
auto objT = element.object;
std::vector<std::string> subElements {objT.getSubName()};
Element.setValue(objT.getObject(), subElements);
break;
}
}
App::DocumentObjectExecReturn* MeasurePosition::execute()
{
const App::DocumentObject* object = Element.getValue();
const std::vector<std::string>& subElements = Element.getSubValues();
if (subElements.empty()) {
return {};
}
App::SubObjectT subject {object, subElements.front().c_str()};
auto info = getMeasureInfo(subject);
if (!info || !info->valid) {
return new App::DocumentObjectExecReturn("Cannot calculate position");
}
auto positionInfo = std::dynamic_pointer_cast<Part::MeasurePositionInfo>(info);
Position.setValue(positionInfo->position);
return DocumentObject::StdReturn;
}
void MeasurePosition::onChanged(const App::Property* prop)
{
if (isRestoring() || isRemoving()) {
return;
}
if (prop == &Element) {
auto ret = recompute();
delete ret;
}
DocumentObject::onChanged(prop);
}
QString MeasurePosition::getResultString()
{
App::Property* prop = this->getResultProp();
if (prop == nullptr) {
return {};
}
Base::Vector3d value = Position.getValue();
QString unit = QString::fromStdString(Position.getUnit().getString());
int precision = 2;
QString text;
QTextStream(&text) << "X: " << QString::number(value.x, 'f', precision) << " " << unit << Qt::endl
<< "Y: " << QString::number(value.y, 'f', precision) << " " << unit << Qt::endl
<< "Z: " << QString::number(value.z, 'f', precision) << " " << unit;
return text;
}
Base::Placement MeasurePosition::getPlacement() const
{
Base::Placement placement;
placement.setPosition(Position.getValue());
return placement;
}
//! Return the object we are measuring
//! used by the viewprovider in determining visibility
std::vector<App::DocumentObject*> MeasurePosition::getSubject() const
{
return {Element.getValue()};
}
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