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<?php
/**
* @file
* Definition of views_handler_argument_term_node_tid_depth_modif.
*/
/**
* Argument handler for to modify depth for a previous term.
*
* This handler is actually part of the node table and has some restrictions,
* because it uses a subquery to find nodes with.
*
* @ingroup views_argument_handlers
*/
class views_handler_argument_term_node_tid_depth_modifier extends views_handler_argument {
function options_form(&$form, &$form_state) { }
function query($group_by = FALSE) { }
function pre_query() {
// We don't know our argument yet, but it's based upon our position:
$argument = isset($this->view->args[$this->position]) ? $this->view->args[$this->position] : NULL;
if (!is_numeric($argument)) {
return;
}
if ($argument > 10) {
$argument = 10;
}
if ($argument < -10) {
$argument = -10;
}
// figure out which argument preceded us.
$keys = array_reverse(array_keys($this->view->argument));
$skip = TRUE;
foreach ($keys as $key) {
if ($key == $this->options['id']) {
$skip = FALSE;
continue;
}
if ($skip) {
continue;
}
if (empty($this->view->argument[$key])) {
continue;
}
if (isset($handler)) {
unset($handler);
}
$handler = &$this->view->argument[$key];
if (empty($handler->definition['accept depth modifier'])) {
continue;
}
// Finally!
$handler->options['depth'] = $argument;
}
}
}
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