void DlgExtrusion::fetchDir()
{
bool lengths_are_at_defaults =
(fabs(ui->spinLenFwd->value().getValue() - 10.0) < 1e-7)
&& (fabs(ui->spinLenRev->value().getValue() - 0.0) < 1e-7);
bool lengths_are_zero =
(fabs(ui->spinLenFwd->value().getValue() - 0.0) < 1e-7)
&& (fabs(ui->spinLenRev->value().getValue() - 0.0) < 1e-7);
try {
Base::Vector3d pos, dir;
bool fetched = false;
bool dir_has_valid_magnitude = false;
if(this->getDirMode() == Part::Extrusion::dmEdge) {
App::PropertyLinkSub lnk;
this->getAxisLink(lnk);
fetched = Part::Extrusion::fetchAxisLink(lnk, pos, dir);
dir_has_valid_magnitude = fetched;
} else if (this->getDirMode() == Part::Extrusion::dmNormal) {
App::PropertyLink lnk;
lnk.setValue(&this->getShapeToExtrude());
dir = Part::Extrusion::calculateShapeNormal(lnk);
fetched = true;
}
if (dir_has_valid_magnitude && lengths_are_at_defaults) {
ui->spinLenFwd->setValue(0);
} else if (!dir_has_valid_magnitude && lengths_are_zero) {
ui->spinLenFwd->setValue(1.0);
}
if (fetched) {
this->setDir(dir);
}
} catch (Base::Exception &) {
} catch (...) {
}
}
bool DlgExtrusion::validate()
{
//check source shapes
if (ui->treeWidget->selectedItems().isEmpty()) {
QMessageBox::critical(this, windowTitle(),
tr("No shapes selected for extrusion. Select some, first."));
return false;
}
//check axis link
QString errmsg;
bool hasValidAxisLink = false;
try{
App::PropertyLinkSub lnk;
this->getAxisLink(lnk);
Base::Vector3d dir, base;
hasValidAxisLink = Part::Extrusion::fetchAxisLink(lnk, base, dir);
} catch(Base::Exception &err) {
errmsg = QString::fromUtf8(err.what());
} catch(Standard_Failure &err) {
errmsg = QString::fromLocal8Bit(err.GetMessageString());
} catch(...) {
errmsg = QString::fromUtf8("Unknown error");
}
if (this->getDirMode() == Part::Extrusion::dmEdge && !hasValidAxisLink){
if (errmsg.length() > 0)
QMessageBox::critical(this, windowTitle(), tr("Extrusion direction link is invalid.\n\n%1").arg(errmsg));
else
QMessageBox::critical(this, windowTitle(), tr("Direction mode is to use an edge, but no edge is linked."));
ui->txtLink->setFocus();
return false;
} else if (this->getDirMode() != Part::Extrusion::dmEdge && !hasValidAxisLink){
//axis link is invalid, but it is not required by the mode. We shouldn't complain it's invalid then...
ui->txtLink->clear();
}
//check normal
if (this->getDirMode() == Part::Extrusion::dmNormal){
errmsg.clear();
try {
App::PropertyLink lnk;
lnk.setValue(&this->getShapeToExtrude()); //simplified - check only for the first shape.
Part::Extrusion::calculateShapeNormal(lnk);
} catch(Base::Exception &err) {
errmsg = QString::fromUtf8(err.what());
} catch(Standard_Failure &err) {
errmsg = QString::fromLocal8Bit(err.GetMessageString());
} catch(...) {
errmsg = QString::fromUtf8("Unknown error");
}
if (errmsg.length() > 0){
QMessageBox::critical(this, windowTitle(), tr("Can't determine normal vector of shape to be extruded. Please use other mode. \n\n(%1)").arg(errmsg));
ui->rbDirModeNormal->setFocus();
return false;
}
}
//check axis dir
if (this->getDirMode() == Part::Extrusion::dmCustom){
if(this->getDir().Length() < Precision::Confusion()){
QMessageBox::critical(this, windowTitle(),
tr("Extrusion direction is zero-length. It must be non-zero."));
ui->dirX->setFocus();
return false;
}
}
//check lengths
if (!ui->chkSymmetric->isChecked()
&& fabs(ui->spinLenFwd->value().getValue() + ui->spinLenRev->value().getValue()) < Precision::Confusion()
&& ! (fabs(ui->spinLenFwd->value().getValue() - ui->spinLenRev->value().getValue()) < Precision::Confusion())){
QMessageBox::critical(this, windowTitle(),
tr("Total extrusion length is zero (length1 == -length2). It must be nonzero."));
ui->spinLenFwd->setFocus();
return false;
}
return true;
}