QModelIndex ListModel::indexFromId(int itemId) const
{
ListItem* found = itemFromId(itemId);
if (found)
return indexFromItem(found);
return QModelIndex();
}
QModelIndexList TvChannelModel::itemListFromIds(const QStringList &ids) const
{
QModelIndexList list;
for (int index = 0; index < ids.size(); ++index) {
QModelIndex itemIndex = itemFromId(ids.at(index));
if (itemIndex.isValid())
list.append(itemIndex);
}
return list;
}
ListItem* ListModel::itemFromId(int itemId, ListItem* parent) const
{
if (!parent)
parent = root();
for (int i = 0, n = parent->childCount(); i < n; ++i) {
ListItem* child = parent->child(i);
if (child->id() == itemId)
return child;
}
for (int i = 0, n = parent->childCount(); i < n; ++i) {
ListItem* found = itemFromId(itemId, parent->child(i));
if (found)
return found;
}
return nullptr;
}
