Exemple #1
0
QModelIndex ListModel::_appendAfter(ListItem* item, const QString& content, App::AppendMode mode)
{
    SqlQuery sql;

    ListItem* parent = item->parent();
    if (!parent)
        return QModelIndex(); // cannot append after the root
    int row = mode == App::AppendAfter ? item->row() + 1 : item->row();

    sql.prepare("UPDATE list_item SET weight = weight + 1 WHERE list_id = :list AND parent_id = :parent AND weight >= :weight");
    sql.bindValue(":list", _listId);
    sql.bindValue(":parent", parent->id());
    sql.bindValue(":weight", row);
    if (!sql.exec())
        return QModelIndex();

    sql.prepare("INSERT INTO list_item (list_id, parent_id, weight, content, created_at) VALUES (:list, :parent, :weight, :content, CURRENT_TIMESTAMP)");
    sql.bindValue(":list", _listId);
    sql.bindValue(":parent", parent->id());
    sql.bindValue(":weight", row);
    sql.bindValue(":content", content);
    if (!sql.exec())
        return QModelIndex();

    int id = sql.lastInsertId().toInt();

    beginInsertRows(indexFromItem(parent), row, row);
    ListItem* newItem = new ListItem(_listId, id, content);
    parent->insertChild(row, newItem);
    if (isNewItemCheckable(item->parent(), row))
        newItem->setCheckable(true);
    endInsertRows();

    return indexFromItem(newItem);
}
Exemple #2
0
QModelIndex ListModel::appendChild(const QModelIndex& parent, int row, QString content)
{
    if (parent.isValid() && parent.column() != 0)
        return QModelIndex();

    ListItem* parentItem = itemFromIndex(parent);
    if (!parentItem)
        return QModelIndex();

    SqlQuery sql;

    sql.prepare("UPDATE list_item SET weight = weight + 1 WHERE parent_id = :parent AND weight >= :row");
    sql.bindValue(":list", _listId);
    sql.bindValue(":parent", parentItem->id());
    sql.bindValue(":row", row);
    if (!sql.exec())
        return QModelIndex();

    sql.prepare("INSERT INTO list_item (list_id, parent_id, weight, content, created_at) VALUES (:list, :parent, :row, :content, CURRENT_TIMESTAMP)");
    sql.bindValue(":list", _listId);
    sql.bindValue(":parent", parentItem->id());
    sql.bindValue(":row", row);
    sql.bindValue(":content", content);
    if (!sql.exec())
        return QModelIndex();

    int id = sql.lastInsertId().toInt();

    beginInsertRows(parent, row, row);
    ListItem* newItem = new ListItem(_listId, id, content);
    if (isNewItemCheckable(parentItem, row))
        newItem->setCheckable(true);
    parentItem->insertChild(row, newItem);
    endInsertRows();

    return indexFromItem(newItem);
}