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ViewProviderFemConstraintPulley.cpp
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ViewProviderFemConstraintPulley.cpp
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/***************************************************************************
* Copyright (c) 2013 Jan Rheinländer <jrheinlaender[at]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 <QMessageBox>
#endif
#include "ViewProviderFemConstraintPulley.h"
#include <Mod/Fem/App/FemConstraintPulley.h>
#include "TaskFemConstraintPulley.h"
#include "Gui/Control.h"
#include <Base/Console.h>
using namespace FemGui;
PROPERTY_SOURCE(FemGui::ViewProviderFemConstraintPulley, FemGui::ViewProviderFemConstraint)
ViewProviderFemConstraintPulley::ViewProviderFemConstraintPulley()
{
sPixmap = "fem-constraint-pulley";
}
ViewProviderFemConstraintPulley::~ViewProviderFemConstraintPulley()
{
}
bool ViewProviderFemConstraintPulley::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();
TaskDlgFemConstraintPulley *constrDlg = qobject_cast<TaskDlgFemConstraintPulley *>(dlg);
if (constrDlg && constrDlg->getConstraintView() != this)
constrDlg = 0; // another constraint left open its task panel
if (dlg && !constrDlg) {
// This case will occur in the ShaftWizard application
checkForWizard();
if ((wizardWidget == NULL) || (wizardSubLayout == NULL)) {
// 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 != NULL) {
// Another FemConstraint* dialog is already open inside the Shaft Wizard
// Ignore the request to open another dialog
return false;
} else {
constraintDialog = new TaskFemConstraintPulley(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 TaskDlgFemConstraintPulley(this));
return true;
}
else {
return ViewProviderDocumentObject::setEdit(ModNum);
}
}
void ViewProviderFemConstraintPulley::updateData(const App::Property* prop)
{
// Gets called whenever a property of the attached object changes
Fem::ConstraintPulley* pcConstraint = static_cast<Fem::ConstraintPulley*>(this->getObject());
if (strcmp(prop->getName(),"BasePoint") == 0) {
if (pcConstraint->Height.getValue() > Precision::Confusion()) {
// Remove and recreate the symbol
Gui::coinRemoveAllChildren(pShapeSep);
// This should always point outside of the cylinder
Base::Vector3d base = pcConstraint->BasePoint.getValue();
Base::Vector3d axis = pcConstraint->Axis.getValue();
double radius = pcConstraint->Radius.getValue();
double dia = pcConstraint->Diameter.getValue();
if (dia < 2 * radius)
dia = 2 * radius;
double forceAngle = pcConstraint->ForceAngle.getValue() / 180 * M_PI;
double beltAngle = pcConstraint->BeltAngle.getValue();
double rat1 = 0.8, rat2 = 0.2;
double f1 = pcConstraint->BeltForce1.getValue();
double f2 = pcConstraint->BeltForce2.getValue();
if (f1+f2 > Precision::Confusion()) {
rat1 = f1 / (f1+f2);
rat2 = f2 / (f1+f2);
}
SbVec3f b(base.x, base.y, base.z);
SbVec3f ax(axis.x, axis.y, axis.z);
createPlacement(pShapeSep, b, SbRotation(SbVec3f(0,1,0), ax)); // child 0 and 1
pShapeSep->addChild(createCylinder(pcConstraint->Height.getValue() * 0.8, dia/2)); // child 2
SoSeparator* sep = new SoSeparator();
createPlacement(sep, SbVec3f(dia/2 * sin(forceAngle+beltAngle), 0, dia/2 * cos(forceAngle+beltAngle)),
SbRotation(SbVec3f(0,1,0), SbVec3f(sin(forceAngle+beltAngle+M_PI_2),0,cos(forceAngle+beltAngle+M_PI_2))));
createPlacement(sep, SbVec3f(0, dia/8 + dia/2 * rat1, 0), SbRotation());
sep->addChild(createArrow(dia/8 + dia/2 * rat1, dia/8));
pShapeSep->addChild(sep); // child 3
sep = new SoSeparator();
createPlacement(sep, SbVec3f(-dia/2 * sin(forceAngle-beltAngle), 0, -dia/2 * cos(forceAngle-beltAngle)),
SbRotation(SbVec3f(0,1,0), SbVec3f(-sin(forceAngle-beltAngle-M_PI_2),0,-cos(forceAngle-beltAngle-M_PI_2))));
createPlacement(sep, SbVec3f(0, dia/8 + dia/2 * rat2, 0), SbRotation());
sep->addChild(createArrow(dia/8 + dia/2 * rat2, dia/8));
pShapeSep->addChild(sep); // child 4
}
} else if (strcmp(prop->getName(),"Diameter") == 0) {
if (pShapeSep->getNumChildren() > 0) {
// Change the symbol
double radius = pcConstraint->Radius.getValue();
double dia = pcConstraint->Diameter.getValue();
if (dia < 2 * radius)
dia = 2 * radius;
double forceAngle = pcConstraint->ForceAngle.getValue() / 180 * M_PI;
double beltAngle = pcConstraint->BeltAngle.getValue();
double rat1 = 0.8, rat2 = 0.2;
double f1 = pcConstraint->BeltForce1.getValue();
double f2 = pcConstraint->BeltForce2.getValue();
if (f1+f2 > Precision::Confusion()) {
rat1 = f1 / (f1+f2);
rat2 = f2 / (f1+f2);
}
const SoSeparator* sep = static_cast<SoSeparator*>(pShapeSep->getChild(2));
updateCylinder(sep, 0, pcConstraint->Height.getValue() * 0.8, dia/2);
sep = static_cast<SoSeparator*>(pShapeSep->getChild(3));
updatePlacement(sep, 0, SbVec3f(dia/2 * sin(forceAngle+beltAngle), 0, dia/2 * cos(forceAngle+beltAngle)),
SbRotation(SbVec3f(0,1,0), SbVec3f(sin(forceAngle+beltAngle+M_PI_2),0,cos(forceAngle+beltAngle+M_PI_2))));
updatePlacement(sep, 2, SbVec3f(0, dia/8 + dia/2 * rat1, 0), SbRotation());
const SoSeparator* subsep = static_cast<SoSeparator*>(sep->getChild(4));
updateArrow(subsep, 0, dia/8 + dia/2 * rat1, dia/8);
sep = static_cast<SoSeparator*>(pShapeSep->getChild(4));
updatePlacement(sep, 0, SbVec3f(-dia/2 * sin(forceAngle-beltAngle), 0, -dia/2 * cos(forceAngle-beltAngle)),
SbRotation(SbVec3f(0,1,0), SbVec3f(-sin(forceAngle-beltAngle-M_PI_2),0,-cos(forceAngle-beltAngle-M_PI_2))));
updatePlacement(sep, 2, SbVec3f(0, dia/8 + dia/2 * rat2, 0), SbRotation());
subsep = static_cast<SoSeparator*>(sep->getChild(4));
updateArrow(subsep, 0, dia/8 + dia/2 * rat2, dia/8);
}
} else if ((strcmp(prop->getName(), "ForceAngle") == 0) || (strcmp(prop->getName(), "BeltAngle") == 0)) {
if (pShapeSep->getNumChildren() > 0) {
double radius = pcConstraint->Radius.getValue();
double dia = pcConstraint->Diameter.getValue();
if (dia < 2 * radius)
dia = 2 * radius;
double forceAngle = pcConstraint->ForceAngle.getValue() / 180 * M_PI;
double beltAngle = pcConstraint->BeltAngle.getValue();
const SoSeparator* sep = static_cast<SoSeparator*>(pShapeSep->getChild(3));
updatePlacement(sep, 0, SbVec3f(dia/2 * sin(forceAngle+beltAngle), 0, dia/2 * cos(forceAngle+beltAngle)),
SbRotation(SbVec3f(0,1,0), SbVec3f(sin(forceAngle+beltAngle+M_PI_2),0,cos(forceAngle+beltAngle+M_PI_2))));
sep = static_cast<SoSeparator*>(pShapeSep->getChild(4));
updatePlacement(sep, 0, SbVec3f(-dia/2 * sin(forceAngle-beltAngle), 0, -dia/2 * cos(forceAngle-beltAngle)),
SbRotation(SbVec3f(0,1,0), SbVec3f(-sin(forceAngle-beltAngle-M_PI_2),0,-cos(forceAngle-beltAngle-M_PI_2))));
}
} else if ((strcmp(prop->getName(), "BeltForce1") == 0) || (strcmp(prop->getName(), "BeltForce2") == 0)) {
if (pShapeSep->getNumChildren() > 0) {
double radius = pcConstraint->Radius.getValue();
double dia = pcConstraint->Diameter.getValue();
if (dia < 2 * radius)
dia = 2 * radius;
double rat1 = 0.8, rat2 = 0.2;
double f1 = pcConstraint->BeltForce1.getValue();
double f2 = pcConstraint->BeltForce2.getValue();
if (f1+f2 > Precision::Confusion()) {
rat1 = f1 / (f1+f2);
rat2 = f2 / (f1+f2);
}
const SoSeparator* sep = static_cast<SoSeparator*>(pShapeSep->getChild(3));
updatePlacement(sep, 2, SbVec3f(0, dia/8 + dia/2 * rat1, 0), SbRotation());
const SoSeparator* subsep = static_cast<SoSeparator*>(sep->getChild(4));
updateArrow(subsep, 0, dia/8 + dia/2 * rat1, dia/8);
sep = static_cast<SoSeparator*>(pShapeSep->getChild(4));
updatePlacement(sep, 2, SbVec3f(0, dia/8 + dia/2 * rat2, 0), SbRotation());
subsep = static_cast<SoSeparator*>(sep->getChild(4));
updateArrow(subsep, 0, dia/8 + dia/2 * rat2, dia/8);
}
}
ViewProviderFemConstraint::updateData(prop);
}