int DrawViewCollection::countChildren()
{
//Count the children recursively if needed
int numChildren = 0;
const std::vector<App::DocumentObject *> &views = Views.getValues();
for(std::vector<App::DocumentObject *>::const_iterator it = views.begin(); it != views.end(); ++it) {
if((*it)->getTypeId().isDerivedFrom(TechDraw::DrawViewCollection::getClassTypeId())) {
TechDraw::DrawViewCollection *viewCollection = static_cast<TechDraw::DrawViewCollection *>(*it);
numChildren += viewCollection->countChildren() + 1;
} else {
numChildren += 1;
}
}
return numChildren;
}
void MDIViewPage::updateDrawing(bool forceUpdate)
{
// We cannot guarantee if the number of graphical representations (QGIVxxxx) have changed so check the number
// Why?
const std::vector<QGIView *> &graphicsList = m_view->getViews();
const std::vector<App::DocumentObject*> &pageChildren = pageGui->getPageObject()->Views.getValues();
// Count total # DocumentObjects in Page
unsigned int docObjCount = 0;
for(std::vector<App::DocumentObject*>::const_iterator it = pageChildren.begin(); it != pageChildren.end(); ++it) {
App::DocumentObject *docObj = *it;
if(docObj->getTypeId().isDerivedFrom(TechDraw::DrawViewCollection::getClassTypeId())) {
TechDraw::DrawViewCollection *collection = dynamic_cast<TechDraw::DrawViewCollection *>(docObj);
docObjCount += collection->countChildren(); // Include self
}
docObjCount += 1;
}
if(graphicsList.size() < docObjCount) {
// there are more DocumentObjects than graphical representations (QGIVxxxx's)
// Find which DocumentObjects have no graphical representation (QGIVxxxx)
// Iterate over DocumentObjects without graphical representations and create the QGIVxxxx
// TODO think of a better algorithm to deal with any changes to views list
std::vector<App::DocumentObject*> notFnd;
findMissingViews(pageChildren, notFnd);
for(std::vector<App::DocumentObject*>::const_iterator it = notFnd.begin(); it != notFnd.end(); ++it) {
attachView(*it);
}
} else if(graphicsList.size() > docObjCount) {
// There are more graphical representations (QGIVxxxx) than DocumentObjects
// Remove the orphans
std::vector<QGIView *>::const_iterator itGraphics = graphicsList.begin();
std::vector<QGIView *> newGraphicsList;
bool fnd = false;
while(itGraphics != graphicsList.end()) {
fnd = orphanExists((*itGraphics)->getViewName(), pageChildren);
if(fnd) {
newGraphicsList.push_back(*itGraphics);
} else {
if (m_view->scene() == (*itGraphics)->scene()) {
(*itGraphics)->hide();
m_view->scene()->removeItem(*itGraphics);
} else { // this "shouldn't" happen, but it does
Base::Console().Log("ERROR - MDIViewPage::updateDrawing - %s already removed from QGraphicsScene\n",
(*itGraphics)->getViewName());
}
deleteItems.append(*itGraphics); // delete in the destructor when completly safe. TEMP SOLUTION
}
itGraphics++;
}
// Update the QGVPage (QGraphicsView) list of QGIVxxxx
m_view->setViews(newGraphicsList);
}
// Update all the QGIVxxxx
const std::vector<QGIView *> &upviews = m_view->getViews();
for(std::vector<QGIView *>::const_iterator it = upviews.begin(); it != upviews.end(); ++it) {
if((*it)->getViewObject()->isTouched() ||
forceUpdate) {
(*it)->updateView(forceUpdate);
}
}
}