entityqueue_handler_relationship_entityqueue.inc in Entityqueue 7
Specialized relationship handler to add entityqueues.
File
includes/views/entityqueue_handler_relationship_entityqueue.incView source
<?php
/**
* @file
* Specialized relationship handler to add entityqueues.
*/
class entityqueue_handler_relationship_entityqueue extends views_handler_relationship_entity_reverse {
function option_definition() {
$options = parent::option_definition();
$options['limit']['default'] = FALSE;
$options['queues']['default'] = array();
return $options;
}
/**
* Default options form that provides the label widget that all fields
* should have.
*/
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['limit'] = array(
'#type' => 'checkbox',
'#title' => t('Limit to one or more queues (recommended)'),
'#default_value' => $this->options['limit'],
);
$views_data = views_fetch_data($this->table);
$subqueues = entityqueue_subqueue_load_by_target_type($views_data['table']['entity type']);
$form['queues'] = array(
'#prefix' => '<div><div id="edit-options-queues">',
'#suffix' => '</div></div>',
'#type' => 'checkboxes',
'#title' => t('Queues'),
'#options' => entityqueue_get_options($subqueues),
'#default_value' => $this->options['queues'],
'#process' => array(
'form_process_checkboxes',
'ctools_dependent_process',
),
'#dependency' => array(
'edit-options-limit' => array(
TRUE,
),
),
);
}
/**
* Overrides views_handler_relationship_entity_reverse::query().
*
* Adds an extra condition to the second join from the parent query.
*/
function query() {
$this
->ensure_my_table();
// First, relate our base table to the current base table to the
// field, using the base table's id field to the field's column.
$views_data = views_fetch_data($this->table);
$left_field = $views_data['table']['base']['field'];
$first = array(
'left_table' => $this->table_alias,
'left_field' => $left_field,
'table' => $this->definition['field table'],
'field' => $this->definition['field field'],
);
if (!empty($this->options['required'])) {
$first['type'] = 'INNER';
}
// Add an extra condition to limit results based on the queue selection.
if (!empty($this->options['limit'])) {
$queues = array_keys(array_filter($this->options['queues']));
if (!empty($queues)) {
$queue_names = db_select('entityqueue_subqueue', 'esq')
->fields('esq', array(
'queue',
))
->distinct()
->condition('esq.name', $queues, 'IN')
->execute()
->fetchCol();
$first['extra'] = array(
array(
'field' => 'bundle',
'value' => $queue_names,
),
);
}
}
if (!empty($this->definition['join_extra'])) {
if (!isset($first['extra'])) {
$first['extra'] = array();
}
$first['extra'] += $this->definition['join_extra'];
}
if (!empty($this->definition['join_handler']) && class_exists($this->definition['join_handler'])) {
$first_join = new $this->definition['join_handler']();
}
else {
$first_join = new views_join();
}
$first_join->definition = $first;
$first_join
->construct();
$first_join->adjusted = TRUE;
$this->first_alias = $this->query
->add_table($this->definition['field table'], $this->relationship, $first_join);
// Second, relate the field table to the entity specified using
// the entity id on the field table and the entity's id field.
$second = array(
'left_table' => $this->first_alias,
'left_field' => 'entity_id',
'table' => $this->definition['base'],
'field' => $this->definition['base field'],
);
if (!empty($this->options['required'])) {
$second['type'] = 'INNER';
}
// Add an extra condition to limit results based on the queue selection.
if (!empty($this->options['limit'])) {
$queues = array_keys(array_filter($this->options['queues']));
if (!empty($queues)) {
$second['extra'] = array(
array(
'field' => 'name',
'value' => $queues,
),
);
}
}
if (!empty($this->definition['join_handler']) && class_exists($this->definition['join_handler'])) {
$second_join = new $this->definition['join_handler']();
}
else {
$second_join = new views_join();
}
$second_join->definition = $second;
$second_join
->construct();
$second_join->adjusted = TRUE;
// use a short alias for this:
$alias = $this->definition['field_name'] . '_' . $this->table;
$this->alias = $this->query
->add_relationship($alias, $second_join, $this->definition['base'], $this->relationship);
}
}
Classes
Name | Description |
---|---|
entityqueue_handler_relationship_entityqueue | @file Specialized relationship handler to add entityqueues. |