/**
* Removes filtering from a {@link DataObject}. Does not remove
* existing relations but does remove the extension.
*
* @param string classname to remove filters from
* @param string relation to be removed from FilterOption object
*/
public static function remove($class, $relation)
{
// Update the many many relations on
$belongs = is_array(FilterOption::config()->belongs_many_many) ? FilterOption::config()->belongs_many_many : array();
// Remove our relation
if (isset($belongs["Filters"])) {
unset($belongs["Filters"]);
}
// Now remove the class from our list of classes
if (isset(self::$filtered_classes[$class])) {
unset(self::$filtered_classes[$class]);
}
FilterOption::config()->belongs_many_many = $belongs;
$class::remove_extension('FilterableObject');
}
public function filterby()
{
// Get a list of filterable classes
$classes = Filterable::getFilteredClasses();
$results = ArrayList::create();
$get_vars = $this->owner->request->getVars();
$filter_ids = array();
if (isset($get_vars["filter"])) {
// First trim uneeded characters from string
$filter_vars = trim($get_vars["filter"], " :;\t\n\r\v");
// Now explode the filters stored in our filter var
$filter_vars = explode(";", $filter_vars);
// Now get the filter options we need to filter objects by
foreach ($filter_vars as $single_var) {
$key_value = explode(":", $single_var);
$filter_option = FilterOption::get()->filter(array("Parent.URLSegment:nocase" => $key_value[0], "URLSegment:nocase" => $key_value[1]))->first();
if ($filter_option && $results->exists()) {
foreach ($results as $result) {
if (!$result->Filters()->find("ID", $filter_option->ID)) {
$results->remove($result);
}
}
} elseif ($filter_option) {
foreach ($classes as $class) {
$list = $class::get()->filter("Filters.ID:ExactMatch", $filter_option->ID);
if ($list->exists()) {
$results->merge($list);
}
}
}
}
} else {
foreach ($classes as $class) {
$list = $class::get();
if ($list->exists()) {
$results->merge($list);
}
}
}
$results = new PaginatedList($results, $this->owner->request);
$data = array('Results' => $results);
$this->owner->extend("updateFilterBy", $data);
$template = $this->owner->ClassName ? $this->owner->ClassName : "Page";
return $this->owner->customise($data)->renderWith(array("{$template}_filterby", "FilterBy", "Page"));
}