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ViewProviderFemConstraintGear.cpp
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ViewProviderFemConstraintGear.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 <Inventor/SbMatrix.h>
# include <QMessageBox>
#endif
#include "ViewProviderFemConstraintGear.h"
#include <Mod/Fem/App/FemConstraintGear.h>
#include "TaskFemConstraintGear.h"
#include "Gui/Control.h"
#include <Base/Console.h>
using namespace FemGui;
PROPERTY_SOURCE(FemGui::ViewProviderFemConstraintGear, FemGui::ViewProviderFemConstraint)
ViewProviderFemConstraintGear::ViewProviderFemConstraintGear()
{
sPixmap = "fem-constraint-gear";
}
ViewProviderFemConstraintGear::~ViewProviderFemConstraintGear()
{
}
bool ViewProviderFemConstraintGear::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();
TaskDlgFemConstraintGear *constrDlg = qobject_cast<TaskDlgFemConstraintGear *>(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 TaskFemConstraintGear(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 TaskDlgFemConstraintGear(this));
return true;
}
else {
return ViewProviderDocumentObject::setEdit(ModNum);
}
}
void ViewProviderFemConstraintGear::updateData(const App::Property* prop)
{
Fem::ConstraintGear* pcConstraint = static_cast<Fem::ConstraintGear*>(this->getObject());
// Gets called whenever a property of the attached object changes
if (strcmp(prop->getName(),"BasePoint") == 0) {
if (pcConstraint->Height.getValue() > Precision::Confusion()) {
// Remove and recreate the symbol
Gui::coinRemoveAllChildren(pShapeSep);
Base::Vector3d base = pcConstraint->BasePoint.getValue();
Base::Vector3d axis = pcConstraint->Axis.getValue();
Base::Vector3d direction = pcConstraint->DirectionVector.getValue();
if (direction.Length() < Precision::Confusion())
direction = Base::Vector3d(0,1,0);
double radius = pcConstraint->Radius.getValue();
double dia = pcConstraint->Diameter.getValue();
if (dia < 2 * radius)
dia = 2 * radius;
double angle = pcConstraint->ForceAngle.getValue() / 180 * M_PI;
SbVec3f b(base.x, base.y, base.z);
SbVec3f ax(axis.x, axis.y, axis.z);
SbVec3f dir(direction.x, direction.y, direction.z);
//Base::Console().Error("DirectionVector: %f, %f, %f\n", direction.x, direction.y, direction.z);
createPlacement(pShapeSep, b, SbRotation(SbVec3f(0,1,0), ax));
pShapeSep->addChild(createCylinder(pcConstraint->Height.getValue() * 0.8, dia/2));
createPlacement(pShapeSep, SbVec3f(dia/2 * sin(angle), 0, dia/2 * cos(angle)), SbRotation(ax, dir));
pShapeSep->addChild(createArrow(dia/2, dia/8));
}
} else if (strcmp(prop->getName(),"Diameter") == 0) {
if (pShapeSep->getNumChildren() > 0) {
// Change the symbol
Base::Vector3d axis = pcConstraint->Axis.getValue();
Base::Vector3d direction = pcConstraint->DirectionVector.getValue();
if (direction.Length() < Precision::Confusion())
direction = Base::Vector3d(0,1,0);
double dia = pcConstraint->Diameter.getValue();
double radius = pcConstraint->Radius.getValue();
if (dia < 2 * radius)
dia = 2 * radius;
double angle = pcConstraint->ForceAngle.getValue() / 180 * M_PI;
SbVec3f ax(axis.x, axis.y, axis.z);
SbVec3f dir(direction.x, direction.y, direction.z);
const SoSeparator* sep = static_cast<SoSeparator*>(pShapeSep->getChild(2));
updateCylinder(sep, 0, pcConstraint->Height.getValue() * 0.8, dia/2);
updatePlacement(pShapeSep, 3, SbVec3f(dia/2 * sin(angle), 0, dia/2 * cos(angle)), SbRotation(ax, dir));
sep = static_cast<SoSeparator*>(pShapeSep->getChild(5));
updateArrow(sep, 0, dia/2, dia/8);
}
} else if ((strcmp(prop->getName(),"DirectionVector") == 0) || (strcmp(prop->getName(),"ForceAngle") == 0)) {
// Note: "Reversed" also triggers "DirectionVector"
if (pShapeSep->getNumChildren() > 0) {
// Re-orient the symbol
Base::Vector3d axis = pcConstraint->Axis.getValue();
Base::Vector3d direction = pcConstraint->DirectionVector.getValue();
if (direction.Length() < Precision::Confusion())
direction = Base::Vector3d(0,1,0);
double dia = pcConstraint->Diameter.getValue();
double angle = pcConstraint->ForceAngle.getValue() / 180 * M_PI;
SbVec3f ax(axis.x, axis.y, axis.z);
SbVec3f dir(direction.x, direction.y, direction.z);
/*Base::Console().Error("Axis: %f, %f, %f\n", axis.x, axis.y, axis.z);
Base::Console().Error("Direction: %f, %f, %f\n", direction.x, direction.y, direction.z);
SbRotation rot = SbRotation(ax, dir);
SbMatrix m;
rot.getValue(m);
SbMat m2;
m.getValue(m2);
Base::Console().Error("Matrix: %f, %f, %f, %f\n", m[0][0], m[1][0], m[2][0], m[3][0]);
// Note: In spite of the fact that the rotation matrix takes on 3 different values if 3
// normal directions are chosen, the resulting arrow will only point in two different
// directions when ax = (1,0,0) (but for ax=(0,1,0) it points in 3 different directions!)
*/
updatePlacement(pShapeSep, 3, SbVec3f(dia/2 * sin(angle), 0, dia/2 * cos(angle)), SbRotation(ax, dir));
}
}
ViewProviderFemConstraint::updateData(prop);
}