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When activating a part container in the tree view make sure all parent items are expanded

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wmayer
2018-11-10 16:13:10 +01:00
parent 442e2dd381
commit 9e2acc477c
1 changed files with 15 additions and 4 deletions
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19
src/Gui/Tree.cpp
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@@ -1342,13 +1342,24 @@ void DocumentItem::slotHighlightObject (const Gui::ViewProviderDocumentObject& o
void DocumentItem::slotExpandObject (const Gui::ViewProviderDocumentObject& obj,const Gui::TreeItemMode& mode)
{
// In the past it was checked if the parent item is collapsed and if yes nothing was done.
// Now with the auto-expand mechanism of active part containers or bodies it must be made
// sure to expand all parent items when expanding a child item.
// Example:
// When there are two nested part containers and if first the outer and then the inner is
// activated the outer will be collapsed and thus hides the inner item.
// Alternatively, this could be handled inside ActiveObjectList::setObject() but querying
// the parent-children relationship of the view providers is rather inefficient.
FOREACH_ITEM(item,obj)
if (!item->parent() || // has no parent (see #0003025)
!item->parent()->isExpanded()) continue;
switch (mode) {
case Gui::Expand:
case Gui::Expand: {
QTreeWidgetItem* parent = item->parent();
while (parent) {
parent->setExpanded(true);
parent = parent->parent();
}
item->setExpanded(true);
break;
} break;
case Gui::Collapse:
item->setExpanded(false);
break;