function remove()
{
$response = $this->get_response();
$volume_names = $response->html->request()->get($this->identifier_name);
$form = $response->form;
if ($volume_names !== '') {
$submit = $form->get_elements('submit');
$submit->handler = 'onclick="wait();"';
$form->add($submit, 'submit');
$submit = $form->get_elements('cancel');
$submit->handler = 'onclick="cancel();"';
$form->add($submit, 'cancel');
$i = 0;
foreach ($volume_names as $ex) {
$d['param_f' . $i]['label'] = $ex;
$d['param_f' . $i]['object']['type'] = 'htmlobject_input';
$d['param_f' . $i]['object']['attrib']['type'] = 'checkbox';
$d['param_f' . $i]['object']['attrib']['name'] = $this->identifier_name . '[' . $i . ']';
$d['param_f' . $i]['object']['attrib']['value'] = $ex;
$d['param_f' . $i]['object']['attrib']['checked'] = true;
$i++;
}
$form->add($d);
if (!$form->get_errors() && $response->submit()) {
$storage_id = $this->response->html->request()->get('storage_id');
$storage = new storage();
$resource = new resource();
$errors = array();
$message = array();
foreach ($volume_names as $key => $volume_name) {
// check if an appliance is still using the volume as an image
$image = new image();
$image->get_instance_by_name($volume_name);
// check if it is still in use
$appliance = new appliance();
$appliances_using_resource = $appliance->get_ids_per_image($image->id);
if (count($appliances_using_resource) > 0) {
$appliances_using_resource_str = implode(",", $appliances_using_resource[0]);
$errors[] = sprintf($this->lang['msg_image_still_in_use'], $volume_name, $image->id, $appliances_using_resource_str);
} else {
// remove volume
$linuxcoe_volume = new linuxcoe_volume();
$linuxcoe_volume->remove_by_name($volume_name);
// remove the image of the volume
$image->remove_by_name($volume_name);
$form->remove($this->identifier_name . '[' . $key . ']');
$message[] = sprintf($this->lang['msg_removed'], $volume_name);
}
}
if (count($errors) === 0) {
$response->msg = join('<br>', $message);
} else {
$msg = array_merge($errors, $message);
$response->error = join('<br>', $msg);
}
}
} else {
$response->msg = '';
}
return $response;
}
