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