/**
* Creates Datagrid object for you and returns it
*
* @param resource $connection The connection to the database. This can also be an array
* containing host/user/pass/dbas parameters to connect to the
* database. This can also be used to create a datagrid from
* an array data source by supplying an array instead of the
* database connection, eg: $grid = Datagrid::Create($myArray);
* @param string $sql The SQL query with or without the ORDER BY clause
*/
public static function Create($connection, $sql = null)
{
/**
* Creates an array based datagrid if the first arg is am array
*/
if (is_array($connection) and is_null($sql)) {
return Datagrid::CreateFromArray($connection);
}
// Connect if need be
if (is_array($connection)) {
$host = $connection['hostname'];
$user = $connection['username'];
$pass = $connection['password'];
$dbas = $connection['database'];
$connection = mysql_connect($host, $user, $pass) or die('<span style="color: red">Failed to connect: ' . mysql_error() . '</span>');
mysql_select_db($dbas);
}
/**
* Order by
*/
if (isset($_GET['orderDir']) and !empty($_GET['orderBy'])) {
// Store it so the direction indicators appear
Datagrid::$orderby['column'] = $_GET['orderBy'];
Datagrid::$orderby['direction'] = $_GET['orderDir'];
$orderby = 'ORDER BY ' . $_GET['orderBy'] . ' ' . ($_GET['orderDir'] ? 'ASC' : 'DESC');
$sql = preg_replace('/ORDER\\s+BY.*(ASC|DESC)/is', $orderby, $sql);
}
/**
* Perform the query to get the result set
*/
$resultset = mysql_query($sql, $connection);
$grid = new Datagrid($connection, $resultset);
// If the query doesn't have an ORDER BY, then disable ordering
if (strpos($sql, 'ORDER BY') === false) {
$grid->allowSorting = false;
}
return $grid;
}
