124 lines
4.5 KiB
PHP
124 lines
4.5 KiB
PHP
<?php
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/**
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* @file
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* Handler for entityreference_plugin_display.
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*/
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class entityreference_plugin_display extends views_plugin_display {
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function option_definition() {
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$options = parent::option_definition();
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// Force the style plugin to 'entityreference_style' and the row plugin to
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// 'fields'.
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$options['style_plugin']['default'] = 'entityreference_style';
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$options['defaults']['default']['style_plugin'] = FALSE;
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$options['defaults']['default']['style_options'] = FALSE;
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$options['row_plugin']['default'] = 'entityreference_fields';
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$options['defaults']['default']['row_plugin'] = FALSE;
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$options['defaults']['default']['row_options'] = FALSE;
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// Set the display title to an empty string (not used in this display type).
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$options['title']['default'] = '';
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$options['defaults']['default']['title'] = FALSE;
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return $options;
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}
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function get_style_type() {
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return 'entityreference';
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}
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function execute() {
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return $this->view->render($this->display->id);
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}
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function render() {
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if (!empty($this->view->result) || !empty($this->view->style_plugin->definition['even empty'])) {
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return $this->view->style_plugin->render($this->view->result);
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}
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return '';
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}
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function uses_exposed() {
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return FALSE;
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}
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function query() {
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$options = $this->get_option('entityreference_options');
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// Play nice with Views UI 'preview' : if the view is not executed through
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// EntityReference_SelectionHandler_Views::getReferencableEntities(),
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// don't alter the query.
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if (empty($options)) {
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return;
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}
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// Make sure the id field is included in the results, and save its alias
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// so that references_plugin_style can retrieve it.
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$this->id_field_alias = $id_field = $this->view->query->add_field($this->view->base_table, $this->view->base_field);
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if (strpos($id_field, '.') === FALSE) {
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$id_field = $this->view->base_table . '.' . $this->id_field_alias;
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}
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// Restrict the autocomplete options based on what's been typed already.
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if (isset($options['match'])) {
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$style_options = $this->get_option('style_options');
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$value = db_like($options['match']) . '%';
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if ($options['match_operator'] != 'STARTS_WITH') {
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$value = '%' . $value;
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}
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// Multiple search fields are OR'd together
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$conditions = db_or();
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// Build the condition using the selected search fields
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foreach ($style_options['search_fields'] as $field_alias) {
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if (!empty($field_alias)) {
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// Get the table and field names for the checked field
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if (empty($this->view->field[$field_alias]->field_info))
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$field = $this->view->query->fields[$this->view->field[$field_alias]->field_alias];
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else {
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$this->view->query->add_field($this->view->field[$field_alias]->options['table'], $this->view->field[$field_alias]->real_field, $this->view->field[$field_alias]->options['field'], array());
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$field = $this->view->query->fields[$this->view->field[$field_alias]->options['field']];
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}
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// Add an OR condition for the field
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$conditions->condition($field['table'] . '.' . $field['field'], $value, 'LIKE');
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}
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}
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$this->view->query->add_where(NULL, $conditions);
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}
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// Add an IN condition for validation.
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if (!empty($options['ids'])) {
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$this->view->query->add_where(NULL, $id_field, $options['ids']);
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}
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$this->view->set_items_per_page($options['limit']);
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}
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/**
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* Extend the default validation.
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*/
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function validate() {
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$errors = parent::validate();
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// Verify that search fields are set up.
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$style_options = $this->get_option('style_options');
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if (!isset($style_options['search_fields'])) {
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$errors[] = t('Display "@display" needs a selected search fields to work properly. See the settings for the Entity Reference list format.', array('@display' => $this->display->display_title));
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}
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else {
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// Verify that the search fields used actually exist.
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//$fields = array_keys($this->view->get_items('field'));
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$fields = array_keys($this->handlers['field']);
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foreach ($style_options['search_fields'] as $field_alias => $enabled) {
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if ($enabled && !in_array($field_alias, $fields)) {
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$errors[] = t('Display "@display" uses field %field as search field, but the field is no longer present. See the settings for the Entity Reference list format.', array('@display' => $this->display->display_title, '%field' => $field_alias));
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}
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}
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}
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return $errors;
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}
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}
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