/**
* Add extra columns
*
* @return Bvb_Grid
*/
public function addExtraColumns($columns = array())
{
static $order = 10;
if (is_array($columns)) {
$extraColumns = $columns;
} else {
$extraColumns = func_get_args();
}
if (count($extraColumns) == 0) {
throw new Bvb_Grid_Exception('No Columns To Add');
}
$this->emitEvent('grid.add_extra_columns', array('columns' => $extraColumns));
foreach ($extraColumns as $value) {
if (!$value instanceof Bvb_Grid_Extra_Column) {
$value = new Bvb_Grid_Extra_Column($value['name'], $value);
#throw new Bvb_Grid_Exception($value . ' must be a instance of Bvb_Grid_Extra_Column');
}
if (!$value->getOption('name') || !is_string($value->getOption('name'))) {
throw new Bvb_Grid_Exception('You need to define the column name');
}
if ($value->getOption('title') && !is_string($value->getOption('title'))) {
throw new Bvb_Grid_Exception('title option must be a string');
}
if (!$value->getOption('position') || !in_array($value->getOption('position'), array('left', 'right'))) {
throw new Bvb_Grid_Exception('Please define column position (left|right)');
}
if (!$value->getOption('order')) {
$order++;
$value->setOption('order', $order);
}
$this->_extraColumns[$value->getOption('name')] = $value->getColumn();
}
return $this;
}
