int
Scene::erase(int index)
{
clear();
index_map.clear();
if(index < 0 || index >= m_entries.size())
return -1;
CGAL::Three::Scene_item* item = m_entries[index];
CGAL::Three::Scene_group_item* group =
qobject_cast<CGAL::Three::Scene_group_item*>(item);
if(group)
{
m_group_entries.removeAll(group);
}
Q_FOREACH(CGAL::Three::Scene_group_item* group, m_group_entries)
{
if(group->getChildren().contains(item))
group->removeChild(item);
}
Q_EMIT itemAboutToBeDestroyed(item);
delete item;
m_entries.removeAll(item);
selected_item = -1;
Q_FOREACH(Scene_item* item, m_entries)
{
organize_items(item, invisibleRootItem(), 0);
}
Scene::Item_id
Scene::erase(Scene::Item_id index)
{
CGAL::Three::Scene_item* item = m_entries[index];
if(item->parentGroup()
&& item->parentGroup()->isChildLocked(item))
return -1;
//clears the Scene_view
clear();
index_map.clear();
if(index < 0 || index >= m_entries.size())
return -1;
if(item->parentGroup())
item->parentGroup()->removeChild(item);
//removes the item from all groups that contain it
Q_EMIT itemAboutToBeDestroyed(item);
item->deleteLater();
m_entries.removeAll(item);
selected_item = -1;
//re-creates the Scene_view
Q_FOREACH(Scene_item* item, m_entries)
{
organize_items(item, invisibleRootItem(), 0);
}