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<?php
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/**
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* @file
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* Definition of views_handler_filter_entity_bundle.
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*/
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/**
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* Filter class which allows to filter by certain bundles of an entity.
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*
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* This class provides workarounds for taxonomy and comment.
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*
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* @ingroup views_filter_handlers
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*/
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class views_handler_filter_entity_bundle extends views_handler_filter_in_operator {
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/**
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* Stores the entity type on which the filter filters.
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*
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* @var string
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*/
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public $entity_type;
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/**
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* {@inheritdoc}
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*/
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public function init(&$view, &$options) {
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parent::init($view, $options);
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$this->get_entity_type();
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}
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/**
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* Set and returns the entity_type.
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*
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* @return string
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* The entity type on the filter.
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*/
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public function get_entity_type() {
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if (!isset($this->entity_type)) {
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$data = views_fetch_data($this->table);
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if (isset($data['table']['entity type'])) {
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$this->entity_type = $data['table']['entity type'];
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}
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// If the current filter is under a relationship you can't be sure that
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// the entity type of the view is the entity type of the current filter
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// For example a filter from a node author on a node view does have users
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// as entity type.
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if (!empty($this->options['relationship']) && $this->options['relationship'] != 'none') {
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$relationships = $this->view->display_handler->get_option('relationships');
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if (!empty($relationships[$this->options['relationship']])) {
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$options = $relationships[$this->options['relationship']];
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$data = views_fetch_data($options['table']);
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$this->entity_type = $data['table']['entity type'];
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}
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}
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}
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return $this->entity_type;
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}
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/**
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* {@inheritdoc}
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*/
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public function get_value_options() {
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if (!isset($this->value_options)) {
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$info = entity_get_info($this->entity_type);
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$types = $info['bundles'];
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$this->value_title = t('@entity types', array('@entity' => $info['label']));
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$options = array();
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foreach ($types as $type => $info) {
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$options[$type] = t($info['label']);
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}
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asort($options);
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$this->value_options = $options;
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}
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}
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/**
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* All entity types beside comment and taxonomy terms have a proper implement
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* bundle, though these two need an additional join to node/vocab table
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* to work as required.
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*/
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public function query() {
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$this->ensure_my_table();
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// Adjust the join for the comment case.
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if ($this->entity_type == 'comment') {
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$join = new views_join();
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$def = array(
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'table' => 'node',
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'field' => 'nid',
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'left_table' => $this->table_alias,
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'left_field' => 'nid',
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);
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$join->definition = $def;
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$join->construct();
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$join->adjusted = TRUE;
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$this->table_alias = $this->query->add_table('node', $this->relationship, $join);
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$this->real_field = 'type';
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// Replace the value to match the node type column.
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foreach ($this->value as &$value) {
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$value = str_replace('comment_node_', '', $value);
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}
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}
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elseif ($this->entity_type == 'taxonomy_term') {
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$join = new views_join();
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$def = array(
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'table' => 'taxonomy_vocabulary',
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'field' => 'vid',
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'left_table' => $this->table_alias,
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'left_field' => 'vid',
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);
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$join->definition = $def;
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$join->construct();
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$join->adjusted = TRUE;
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$this->table_alias = $this->query->add_table('taxonomy_vocabulary', $this->relationship, $join);
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$this->real_field = 'machine_name';
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}
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else {
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$entity_info = entity_get_info($this->entity_type);
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$this->real_field = $entity_info['bundle keys']['bundle'];
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}
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parent::query();
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}
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}
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