function _views_slideshow_preprocess_views_view_slideshow in Views Slideshow 8.3

Same name and namespace in other branches

1. 8.4 views_slideshow.theme.inc \_views_slideshow_preprocess_views_view_slideshow()

Views Slideshow: slideshow.

1 call to _views_slideshow_preprocess_views_view_slideshow()

template_preprocess_views_view_slideshow in ./views_slideshow.module

Views Slideshow: Slideshow.

File

./views_slideshow.theme.inc, line 17

The theme system, which controls the output of views slideshow.

Code

function _views_slideshow_preprocess_views_view_slideshow(&$vars) {
  $options = $vars['view']->style_plugin->options;
  $vars['skin'] = 'default';
  $vars['slideshow'] = '';
  $main_frame_module = $options['slideshow_type'];
  if (empty($main_frame_module)) {

    // Get all slideshow types.
    $slideshows = \Drupal::moduleHandler()
      ->invokeAll('views_slideshow_slideshow_info');
    if ($slideshows) {
      foreach ($slideshows as $slideshow_id => $slideshow_info) {
        $main_frame_module = $slideshow_id;
        break;
      }
    }
  }

  // Make sure the main slideshow settings are defined before building the
  // slideshow.
  if (empty($main_frame_module)) {
    drupal_set_message(t('No main frame module is enabled for views slideshow. ' . 'This is often because another module which Views Slideshow needs is not enabled. ' . 'For example, 3.x needs a module like "Views Slideshow: Cycle" enabled.'), 'error');
  }
  elseif (empty($options[$main_frame_module])) {
    drupal_set_message(t('The options for !module does not exists.', array(
      '!module' => $main_frame_module,
    )), 'error');
  }
  elseif (!empty($vars['rows'])) {
    $settings = $options[$main_frame_module];
    $view = $vars['view'];
    $rows = $vars['rows'];
    $num_divs = count($rows);
    $vss_id = $view->element['#name'] . '-' . $view->current_display;

    // Give each slideshow a unique id if there are more than one on the page.
    static $instances = array();
    if (isset($instances[$vss_id])) {
      $instances[$vss_id]++;
      $vss_id .= "_" . $instances[$vss_id];
    }
    else {
      $instances[$vss_id] = 1;
    }

    // Building our default methods.
    $methods = array(
      'goToSlide' => array(),
      'nextSlide' => array(),
      'pause' => array(),
      'play' => array(),
      'previousSlide' => array(),
      'transitionBegin' => array(),
      'transitionEnd' => array(),
    );

    // Pull all widget info and slideshow info and merge them together.
    $widgets = \Drupal::moduleHandler()
      ->invokeAll('views_slideshow_widget_info');
    $slideshows = \Drupal::moduleHandler()
      ->invokeAll('views_slideshow_slideshow_info');
    $addons = array_merge($widgets, $slideshows);

    // Loop through all the addons and call their methods if needed.
    foreach ($addons as $addon_id => $addon_info) {
      foreach ($addon_info['accepts'] as $imp_key => $imp_value) {
        if (is_array($imp_value)) {
          $methods[$imp_key][] = views_slideshow_format_addons_name($addon_id);
        }
        else {
          $methods[$imp_value][] = views_slideshow_format_addons_name($addon_id);
        }
      }
    }
    $vars['#attached']['library'][] = 'views_slideshow/widget_info';
    $vars['#attached']['drupalSettings']['viewsSlideshow'][$vss_id] = array(
      'methods' => $methods,
      'paused' => 0,
    );

    // Process Skins
    $skin_info = array();
    if (isset($options['skin_info'])) {
      $skin_info = $options['skin_info'];
    }

    // Make sure $skin_info has all the values.
    $skin_info += array(
      'class' => 'default',
      'name' => t('Untitled skin'),
      'module' => 'views_slideshow',
      'libraries' => array(),
    );
    $vars['skin'] = $skin_info['class'];
    foreach ($skin_info['libraries'] as $library) {
      $vars['#attached']['library'][] = $skin_info['module'] . '/' . $library;
    }

    // Process Widgets.
    // Build weights.
    $weight = array();
    for ($i = 1; $i <= count($widgets); $i++) {
      $weight['top'][$i] = '';
      $weight['bottom'][$i] = '';
    }
    foreach ($widgets as $widget_id => $widget_name) {

      // Put our widgets in the right location.
      if ($options['widgets']['top'][$widget_id]['enable']) {
        $widget_weight = $options['widgets']['top'][$widget_id]['weight'] > count($widgets) ? count($widgets) : $options['widgets']['top'][$widget_id]['weight'];
        $weight['top'][$widget_weight][] = $widget_id;
      }
      if ($options['widgets']['bottom'][$widget_id]['enable']) {
        $widget_weight = $options['widgets']['bottom'][$widget_id]['weight'] > count($widgets) ? count($widgets) : $options['widgets']['bottom'][$widget_id]['weight'];
        $weight['bottom'][$widget_weight][] = $widget_id;
      }
    }

    // Build our widgets.
    foreach ($weight as $location => $order) {
      $vars[$location . '_widget_rendered'] = '';
      foreach ($order as $order_num => $widgets) {
        if (is_array($widgets)) {
          foreach ($widgets as $widget_id) {
            $vars[$location . '_widget_rendered'][] = array(
              '#theme' => $view
                ->buildThemeFunctions($widget_id . '_widget_render'),
              '#vss_id' => $vss_id,
              '#view' => $view,
              '#settings' => $options['widgets'][$location][$widget_id],
              '#location' => $location,
              '#rows' => $rows,
            );
          }
        }
      }
    }

    // Process Slideshow.
    $slides = array(
      '#theme' => $view
        ->buildThemeFunctions($main_frame_module . '_main_frame'),
      '#vss_id' => $vss_id,
      '#view' => $view,
      '#settings' => $settings,
      '#rows' => $rows,
    );
    $vars['slideshow'] = array(
      '#theme' => $view
        ->buildThemeFunctions('views_slideshow_main_section'),
      '#vss_id' => $vss_id,
      '#slides' => $slides,
      '#plugin' => $main_frame_module,
    );
  }
}