function rules_ui_form_data_selection_auto_completion

Autocomplete data selection results.

File

ui/ui.forms.inc, line 651

Code

function rules_ui_form_data_selection_auto_completion($parameter, $form_build_id, $string = '') {
    // Get the form and its state from the cache to get the currently edited
    // or created element.
    $form_state = form_state_defaults();
    $form = form_get_cache($form_build_id, $form_state);
    if (!isset($form_state['rules_element'])) {
        return;
    }
    $element = $form_state['rules_element'];
    $params = $element->pluginParameterInfo();
    $matches = array();
    if (isset($params[$parameter])) {
        $parts = explode(':', $string);
        // Remove the last part as it might be unfinished.
        $last_part = array_pop($parts);
        $selector = implode(':', $parts);
        // Start with the partly given selector or from scratch.
        $result = array();
        if ($selector && ($wrapper = $element->applyDataSelector($selector))) {
            $result = RulesData::matchingDataSelector($wrapper, $params[$parameter], $selector . ':', 0);
        }
        elseif (!$selector) {
            $result = RulesData::matchingDataSelector($element->availableVariables(), $params[$parameter], '', 0);
        }
        foreach ($result as $selector => $info) {
            // If we have an incomplete last part, take it into account now.
            $attributes = array();
            if (!$last_part || strpos($selector, $string) === 0) {
                $attributes['class'][] = 'rules-dsac-item';
                $attributes['title'] = isset($info['description']) ? strip_tags($info['description']) : '';
                if ($selector[strlen($selector) - 1] == ':') {
                    $attributes['class'][] = 'rules-dsac-group';
                    $text = check_plain($selector) . '... (' . check_plain($info['label']) . ')';
                }
                else {
                    $text = check_plain($selector) . ' (' . check_plain($info['label']) . ')';
                }
                $matches[$selector] = "<div" . drupal_attributes($attributes) . ">{$text}</div>";
            }
        }
    }
    drupal_json_output($matches);
}