CGAL::Three::Scene_item*
Scene::replaceItem(Scene::Item_id index, CGAL::Three::Scene_item* item, bool emit_item_about_to_be_destroyed)
{
if(index < 0 || index >= m_entries.size())
return 0;
if(emit_item_about_to_be_destroyed) {
Q_EMIT itemAboutToBeDestroyed(m_entries[index]);
}
connect(item, SIGNAL(itemChanged()),
this, SLOT(itemChanged()));
std::swap(m_entries[index], item);
if ( item->isFinite() && !item->isEmpty() &&
m_entries[index]->isFinite() && !m_entries[index]->isEmpty() &&
item->bbox()!=m_entries[index]->bbox() )
{
Q_EMIT updated_bbox();
}
Q_EMIT updated();
itemChanged(index);
Q_EMIT restoreCollapsedState();
group_added();
return item;
}
Scene::Item_id
Scene::addItem(CGAL::Three::Scene_item* item)
{
CGAL::Three::Scene_group_item* group =
qobject_cast<CGAL::Three::Scene_group_item*>(item);
if(group)
m_group_entries.prepend(group);
Bbox bbox_before = bbox();
m_entries.push_back(item);
connect(item, SIGNAL(itemChanged()),
this, SLOT(itemChanged()));
connect(item, SIGNAL(redraw()),
this, SLOT(callDraw()));
if(item->isFinite()
&& !item->isEmpty()
&& bbox_before + item->bbox() != bbox_before
)
{
Q_EMIT updated_bbox();
}
QList<QStandardItem*> list;
for(int i=0; i<5; i++)
{
list<<new QStandardItem();
list.at(i)->setEditable(false);
}
invisibleRootItem()->appendRow(list);
for(int i=0; i<5; i++){
index_map[list.at(i)->index()] = m_entries.size() -1;
}
Q_EMIT updated();
Item_id id = m_entries.size() - 1;
Q_EMIT newItem(id);
//if group selected, add item to it
if(mainSelectionIndex() >=0)
{
//if new item is a group, don't do that, to avoid any ambiguity
if(!group)
{
CGAL::Three::Scene_group_item* selected_group =
qobject_cast<CGAL::Three::Scene_group_item*>(m_entries.at(mainSelectionIndex()));
if(selected_group)
{
selected_group->addChild(item);
group_added();
}
}
}
return id;
}
