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85ad3d82
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Assos Assos
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<?php
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class EntityReference_SelectionHandler_Views implements EntityReference_SelectionHandler {
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public static function getInstance($field, $instance = NULL, $entity_type = NULL, $entity = NULL) {
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return new EntityReference_SelectionHandler_Views($field, $instance);
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}
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protected function __construct($field, $instance) {
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$this->field = $field;
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$this->instance = $instance;
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}
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public static function settingsForm($field, $instance) {
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$view_settings = empty($field['settings']['handler_settings']['view']) ? '' : $field['settings']['handler_settings']['view'];
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$displays = views_get_applicable_views('entityreference display');
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$entity_info = entity_get_info($field['settings']['target_type']);
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$options = array();
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foreach ($displays as $data) {
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list($view, $display_id) = $data;
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if ($view->base_table == $entity_info['base table']) {
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$options[$view->name . ':' . $display_id] = $view->name . ' - ' . $view->display[$display_id]->display_title;
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}
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}
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$form['view']['#element_validate'] = array('entityreference_view_settings_validate');
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if ($options) {
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$default = !empty($view_settings['view_name']) ? $view_settings['view_name'] . ':' . $view_settings['display_name'] : NULL;
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$form['view']['view_and_display'] = array(
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'#type' => 'select',
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'#title' => t('View used to select the entities'),
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'#required' => TRUE,
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'#options' => $options,
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'#default_value' => $default,
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'#description' => '<p>' . t('Choose the view and display that select the entities that can be referenced.<br />Only views with a display of type "Entity Reference" are eligible.') . '</p>',
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);
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$default = !empty($view_settings['args']) ? implode(', ', $view_settings['args']) : '';
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$form['view']['args'] = array(
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'#type' => 'textfield',
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'#title' => t('View arguments'),
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'#default_value' => $default,
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'#required' => FALSE,
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'#description' => t('Provide a comma separated list of arguments to pass to the view.'),
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);
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}
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else {
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$form['view']['no_view_help'] = array(
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'#markup' => '<p>' . t('No eligible views were found. <a href="@create">Create a view</a> with an <em>Entity Reference</em> display, or add such a display to an <a href="@existing">existing view</a>.', array(
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'@create' => url('admin/structure/views/add'),
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'@existing' => url('admin/structure/views'),
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)) . '</p>',
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);
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}
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return $form;
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}
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protected function initializeView($match = NULL, $match_operator = 'CONTAINS', $limit = 0, $ids = NULL) {
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$view_name = $this->field['settings']['handler_settings']['view']['view_name'];
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$display_name = $this->field['settings']['handler_settings']['view']['display_name'];
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$args = $this->field['settings']['handler_settings']['view']['args'];
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$entity_type = $this->field['settings']['target_type'];
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$this->view = views_get_view($view_name);
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if (!$this->view || !isset($this->view->display[$display_name]) || !$this->view->access($display_name)) {
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watchdog('entityreference', 'The view %view_name is no longer eligible for the %field_name field.', array('%view_name' => $view_name, '%field_name' => $this->instance['label']), WATCHDOG_WARNING);
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return FALSE;
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}
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$this->view->set_display($display_name);
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$this->view->is_cacheable = FALSE;
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$entityreference_options = array(
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'match' => $match,
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'match_operator' => $match_operator,
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'limit' => $limit,
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'ids' => $ids,
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);
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$this->view->display_handler->set_option('entityreference_options', $entityreference_options);
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return TRUE;
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}
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public function getReferencableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0) {
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$display_name = $this->field['settings']['handler_settings']['view']['display_name'];
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$args = $this->field['settings']['handler_settings']['view']['args'];
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$result = array();
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if ($this->initializeView($match, $match_operator, $limit)) {
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$result = $this->view->execute_display($display_name, $args);
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}
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$return = array();
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if ($result) {
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$target_type = $this->field['settings']['target_type'];
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$entities = entity_load($target_type, array_keys($result));
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foreach($entities as $entity) {
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list($id,, $bundle) = entity_extract_ids($target_type, $entity);
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$return[$bundle][$id] = $result[$id];
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}
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}
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return $return;
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}
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function countReferencableEntities($match = NULL, $match_operator = 'CONTAINS') {
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$this->getReferencableEntities($match, $match_operator);
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return $this->view->total_items;
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}
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function validateReferencableEntities(array $ids) {
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$display_name = $this->field['settings']['handler_settings']['view']['display_name'];
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$args = $this->field['settings']['handler_settings']['view']['args'];
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$result = array();
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if ($this->initializeView(NULL, 'CONTAINS', 0, $ids)) {
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$entities = $this->view->execute_display($display_name, $args);
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$result = array_keys($entities);
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}
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return $result;
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}
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public function validateAutocompleteInput($input, &$element, &$form_state, $form) {
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return NULL;
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}
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public function getLabel($entity) {
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return entity_label($this->field['settings']['target_type'], $entity);
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}
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public function entityFieldQueryAlter(SelectQueryInterface $query) {
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}
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}
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function entityreference_view_settings_validate($element, &$form_state, $form) {
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if (!empty($element['view_and_display']['#value'])) {
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list($view, $display) = explode(':', $element['view_and_display']['#value']);
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}
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else {
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form_error($element, t('The views entity selection mode requires a view.'));
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return;
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}
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$args_string = trim($element['args']['#value']);
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if ($args_string === '') {
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$args = array();
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}
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else {
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$args = array_map('trim', explode(',', $args_string));
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}
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$value = array('view_name' => $view, 'display_name' => $display, 'args' => $args);
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form_set_value($element, $value, $form_state);
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} |