Files
create/src/Mod/Fem/Gui/ViewProviderFemConstraintForce.cpp
wmayer 7ae9fc0d67 Fem: modernize C++11
* use nullptr
2022-03-23 19:26:15 +01:00

217 lines
8.7 KiB
C++

/***************************************************************************
* Copyright (c) 2013 Jan Rheinländer *
* <jrheinlaender@users.sourceforge.net> *
* *
* 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_
# include <Standard_math.hxx>
# include <Precision.hxx>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoTranslation.h>
# include <Inventor/nodes/SoRotation.h>
# include <Inventor/nodes/SoMultipleCopy.h>
# include <QMessageBox>
#endif
#include "ViewProviderFemConstraintForce.h"
#include <Mod/Fem/App/FemConstraintForce.h>
#include "TaskFemConstraintForce.h"
#include "Gui/Control.h"
#include <Base/Console.h>
using namespace FemGui;
PROPERTY_SOURCE(FemGui::ViewProviderFemConstraintForce, FemGui::ViewProviderFemConstraintOnBoundary)
ViewProviderFemConstraintForce::ViewProviderFemConstraintForce()
{
sPixmap = "FEM_ConstraintForce";
}
ViewProviderFemConstraintForce::~ViewProviderFemConstraintForce()
{
}
bool ViewProviderFemConstraintForce::setEdit(int ModNum)
{
if (ModNum == ViewProvider::Default ) {
// When double-clicking on the item for this constraint the
// object unsets and sets its edit mode without closing
// the task panel
Gui::TaskView::TaskDialog *dlg = Gui::Control().activeDialog();
TaskDlgFemConstraintForce *constrDlg = qobject_cast<TaskDlgFemConstraintForce *>(dlg);
if (constrDlg && constrDlg->getConstraintView() != this)
constrDlg = nullptr; // another constraint left open its task panel
if (dlg && !constrDlg) {
// This case will occur in the ShaftWizard application
checkForWizard();
if ((wizardWidget == nullptr) || (wizardSubLayout == nullptr)) {
// No shaft wizard is running
QMessageBox msgBox;
msgBox.setText(QObject::tr("A dialog is already open in the task panel"));
msgBox.setInformativeText(QObject::tr("Do you want to close this dialog?"));
msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
msgBox.setDefaultButton(QMessageBox::Yes);
int ret = msgBox.exec();
if (ret == QMessageBox::Yes)
Gui::Control().reject();
else
return false;
} else if (constraintDialog != nullptr) {
// Another FemConstraint* dialog is already open inside the Shaft Wizard
// Ignore the request to open another dialog
return false;
} else {
constraintDialog = new TaskFemConstraintForce(this);
return true;
}
}
// clear the selection (convenience)
Gui::Selection().clearSelection();
// start the edit dialog
if (constrDlg)
Gui::Control().showDialog(constrDlg);
else
Gui::Control().showDialog(new TaskDlgFemConstraintForce(this));
return true;
}
else {
return ViewProviderDocumentObject::setEdit(ModNum);
}
}
#define ARROWLENGTH (4)
#define ARROWHEADRADIUS (ARROWLENGTH/3.0f)
//#define USE_MULTIPLE_COPY //OvG: MULTICOPY fails to update scaled arrows on initial drawing - so disable
void ViewProviderFemConstraintForce::updateData(const App::Property* prop)
{
// Gets called whenever a property of the attached object changes
Fem::ConstraintForce* pcConstraint = static_cast<Fem::ConstraintForce*>(this->getObject());
float scaledheadradius = ARROWHEADRADIUS * pcConstraint->Scale.getValue(); //OvG: Calculate scaled values once only
float scaledlength = ARROWLENGTH * pcConstraint->Scale.getValue();
#ifdef USE_MULTIPLE_COPY
//OvG: need access to cp for scaling
SoMultipleCopy* cp = new SoMultipleCopy();
if (pShapeSep->getNumChildren() == 0) {
// Set up the nodes
cp->matrix.setNum(0);
cp->addChild((SoNode*)createArrow(scaledlength , scaledheadradius)); //OvG: Scaling
pShapeSep->addChild(cp);
}
#endif
if (strcmp(prop->getName(),"Points") == 0) {
const std::vector<Base::Vector3d>& points = pcConstraint->Points.getValues();
#ifdef USE_MULTIPLE_COPY
cp = static_cast<SoMultipleCopy*>(pShapeSep->getChild(0));
cp->matrix.setNum(points.size());
SbMatrix* matrices = cp->matrix.startEditing();
int idx = 0;
#else
// Redraw all arrows
Gui::coinRemoveAllChildren(pShapeSep);
#endif
// This should always point outside of the solid
Base::Vector3d normal = pcConstraint->NormalDirection.getValue();
// Get default direction (on first call to method)
Base::Vector3d forceDirection = pcConstraint->DirectionVector.getValue();
if (forceDirection.Length() < Precision::Confusion())
forceDirection = normal;
SbVec3f dir(forceDirection.x, forceDirection.y, forceDirection.z);
SbRotation rot(SbVec3f(0,1,0), dir);
for (std::vector<Base::Vector3d>::const_iterator p = points.begin(); p != points.end(); p++) {
SbVec3f base(p->x, p->y, p->z);
if (forceDirection.GetAngle(normal) < M_PI_2) // Move arrow so it doesn't disappear inside the solid
base = base + dir * scaledlength; //OvG: Scaling
#ifdef USE_MULTIPLE_COPY
SbMatrix m;
m.setTransform(base, rot, SbVec3f(1,1,1));
matrices[idx] = m;
idx++;
#else
SoSeparator* sep = new SoSeparator();
createPlacement(sep, base, rot);
createArrow(sep, scaledlength, scaledheadradius); //OvG: Scaling
pShapeSep->addChild(sep);
#endif
}
#ifdef USE_MULTIPLE_COPY
cp->matrix.finishEditing();
#endif
}
else if (strcmp(prop->getName(),"DirectionVector") == 0) { // Note: "Reversed" also triggers "DirectionVector"
// Re-orient all arrows
Base::Vector3d normal = pcConstraint->NormalDirection.getValue();
Base::Vector3d forceDirection = pcConstraint->DirectionVector.getValue();
if (forceDirection.Length() < Precision::Confusion())
forceDirection = normal;
SbVec3f dir(forceDirection.x, forceDirection.y, forceDirection.z);
SbRotation rot(SbVec3f(0,1,0), dir);
const std::vector<Base::Vector3d>& points = pcConstraint->Points.getValues();
#ifdef USE_MULTIPLE_COPY
SoMultipleCopy* cp = static_cast<SoMultipleCopy*>(pShapeSep->getChild(0));
cp->matrix.setNum(points.size());
SbMatrix* matrices = cp->matrix.startEditing();
#endif
int idx = 0;
for (std::vector<Base::Vector3d>::const_iterator p = points.begin(); p != points.end(); p++) {
SbVec3f base(p->x, p->y, p->z);
if (forceDirection.GetAngle(normal) < M_PI_2)
base = base + dir * scaledlength; //OvG: Scaling
#ifdef USE_MULTIPLE_COPY
SbMatrix m;
m.setTransform(base, rot, SbVec3f(1,1,1));
matrices[idx] = m;
#else
SoSeparator* sep = static_cast<SoSeparator*>(pShapeSep->getChild(idx));
updatePlacement(sep, 0, base, rot);
updateArrow(sep, 2, scaledlength, scaledheadradius); //OvG: Scaling
#endif
idx++;
}
#ifdef USE_MULTIPLE_COPY
cp->matrix.finishEditing();
#endif
}
ViewProviderFemConstraint::updateData(prop);
}