/**
* Purpose: When inserting or removing playlists,
* we require the sidebar model not to reset.
* This method queries the database and does dynamic insertion
*/
QModelIndex CrateFeature::constructChildModel(int selected_id) {
buildCrateList();
QList<TreeItem*> data_list;
int selected_row = -1;
// Access the invisible root item
TreeItem* root = m_childModel.getItem(QModelIndex());
int row = 0;
for (QList<QPair<int, QString> >::const_iterator it = m_crateList.begin();
it != m_crateList.end(); ++it, ++row) {
int crate_id = it->first;
QString crate_name = it->second;
if (selected_id == crate_id) {
// save index for selection
selected_row = row;
m_childModel.index(selected_row, 0);
}
// Create the TreeItem whose parent is the invisible root item
TreeItem* item = new TreeItem(crate_name, QString::number(crate_id), this, root);
bool locked = m_crateDao.isCrateLocked(crate_id);
item->setIcon(locked ? QIcon(":/images/library/ic_library_locked.png") : QIcon());
data_list.append(item);
}
// Append all the newly created TreeItems in a dynamic way to the childmodel
m_childModel.insertRows(data_list, 0, m_crateList.size());
if (selected_row == -1) {
return QModelIndex();
}
return m_childModel.index(selected_row, 0);
}
void CrateFeature::updateChildModel(int selected_id) {
buildCrateList();
int row = 0;
for (QList<QPair<int, QString> >::const_iterator it = m_crateList.begin();
it != m_crateList.end(); ++it, ++row) {
int crate_id = it->first;
QString crate_name = it->second;
if (selected_id == crate_id) {
TreeItem* item = m_childModel.getItem(indexFromCrateId(crate_id));
item->setData(crate_name, QString::number(crate_id));
bool locked = m_crateDao.isCrateLocked(crate_id);
item->setIcon(locked ? QIcon(":/images/library/ic_library_locked.png") : QIcon());
}
}
}
