function advagg_build_ajax_js_css

Gets the core CSS/JS included in this ajax request.

Used so core JS can be rendered through the AdvAgg pipeline.

Return value

array Returns an array containing $styles, $scripts_header, $scripts_footer, $items, and $settings.

Voir aussi

ajax_render()

1 call to advagg_build_ajax_js_css()

advagg_ajax_render_alter dans ./advagg.module

Implements hook_ajax_render_alter().

Fichier

./advagg.module, line 3795

Code

function advagg_build_ajax_js_css() {
    $settings = array();
    // Ajax responses aren't rendered with html.tpl.php, so we have to call
    // drupal_get_css() and drupal_get_js() here, in order to have new files added
    // during this request to be loaded by the page. We only want to send back
    // files that the page hasn't already loaded, so we implement simple diffing
    // logic using array_diff_key().
    foreach (array(
        'css',
        'js',
    ) as $type) {
        // It is highly suspicious if $_POST['ajax_page_state'][$type] is empty,
        // since the base page ought to have at least one JS file and one CSS file
        // loaded. It probably indicates an error, and rather than making the page
        // reload all of the files, instead we return no new files.
        if (empty($_POST['ajax_page_state'][$type])) {
            $core_items[$type] = $items[$type] = array();
            $scripts = drupal_add_js();
            if (!empty($scripts['settings'])) {
                $settings = $scripts['settings'];
            }
        }
        else {
            $function = 'drupal_add_' . $type;
            // Get the current css/js needed for this page.
            $items[$type] = $function();
            // Call hook_js_alter() OR hook_css_alter().
            drupal_alter($type, $items[$type]);
            // Separately track original items that will be used to build the snippets
            // added by core, which will be replaced in advagg_ajax_render_alter().
            $core_items[$type] = $items[$type];
            drupal_alter($type . '_post', $items[$type]);
            // @todo Inline CSS and JS items are indexed numerically. These can't be
            //   reliably diffed with array_diff_key(), since the number can change
            //   due to factors unrelated to the inline content, so for now, we strip
            //   the inline items from Ajax responses, and can add support for them
            //   when drupal_add_css() and drupal_add_js() are changed to use a hash
            //   of the inline content as the array key.
            foreach ($items[$type] as $key => $item) {
                if (is_numeric($key)) {
                    unset($items[$type][$key]);
                }
            }
            foreach ($core_items[$type] as $key => $core_item) {
                if (is_numeric($key)) {
                    unset($core_items[$type][$key]);
                }
            }
            // Ensure that the page doesn't reload what it already has.
            // @ignore security_17
            $items[$type] = array_diff_key($items[$type], $_POST['ajax_page_state'][$type]);
            // @ignore security_17
            $core_items[$type] = array_diff_key($core_items[$type], $_POST['ajax_page_state'][$type]);
        }
    }
    // Render the HTML to load these files, and add AJAX commands to insert this
    // HTML in the page. We pass TRUE as the $skip_alter argument to prevent the
    // data from being altered again, as we already altered it above. Settings are
    // handled separately, afterwards.
    $scripts = drupal_add_js();
    if (isset($scripts['settings'])) {
        $settings = $scripts['settings'];
        unset($items['js']['settings']);
        unset($core_items['js']['settings']);
    }
    $styles = drupal_get_css($core_items['css'], TRUE);
    $scripts_footer = drupal_get_js('footer', $core_items['js'], TRUE);
    $scripts_header = drupal_get_js('header', $core_items['js'], TRUE);
    return array(
        $styles,
        $scripts_header,
        $scripts_footer,
        $items,
        $settings,
    );
}