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<?php
// $Id: views_handler_filter_many_to_one.inc,v 1.1 2008/09/03 19:21:28 merlinofchaos Exp $
/**
* Complex filter to handle filtering for many to one relationships,
* such as terms (many terms per node) or roles (many roles per user).
*
* The construct method needs to be overridden to provide a list of options;
* alternately, the value_form and admin_summary methods need to be overriden
* to provide something that isn't just a select list.
*/
class views_handler_filter_many_to_one extends views_handler_filter_in_operator {
function init(&$view, &$options) {
parent::init($view, $options);
$this->helper = new views_many_to_one_helper($this);
}
function option_definition() {
$options = parent::option_definition();
$options['operator']['default'] = 'or';
$options['value']['default'] = array();
return $options;
}
/**
* Provide inclusive/exclusive matching
*/
function operator_options() {
return array(
'or' => t('Is one of'),
'and' => t('Is all of'),
'not' => t('Is none of'),
);
}
var $value_form_type = 'select';
function value_form(&$form, &$form_state) {
parent::value_form($form, $form_state);
if (empty($form_state['exposed'])) {
$this->helper->options_form($form, $form_state);
}
}
/**
* Override ensure_my_table so we can control how this joins in.
* The operator actually has influence over joining.
*/
function ensure_my_table() {
$this->helper->ensure_my_table();
}
function query() {
if (empty($this->value)) {
return;
}
$this->helper->add_filter();
}
}
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