function _views_slideshow_preprocess_views_view_slideshow

Same name and namespace in other branches

1. 8.x-3.x views_slideshow.theme.inc \_views_slideshow_preprocess_views_view_slideshow() 1 comment
2. 8.x-4.x views_slideshow.theme.inc \_views_slideshow_preprocess_views_view_slideshow() 1 comment

Views Slideshow: slideshow.

Related topics

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 32

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.
        $typeManager = \Drupal::service('plugin.manager.views_slideshow.slideshow_type');
        $types = $typeManager->getDefinitions();
        if ($types) {
            foreach ($types as $id => $definition) {
                $main_frame_module = $id;
                break;
            }
        }
    }
    // Make sure the main slideshow settings are defined before building the
    // slideshow.
    if (empty($main_frame_module)) {
        \Drupal::messenger()->addMessage(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, 4.x needs a module like "Views Slideshow: Cycle" enabled.'), 'error');
    }
    elseif (empty($options[$main_frame_module])) {
        \Drupal::messenger()->addMessage(t('The options for @module does not exists.', [
            '@module' => $main_frame_module,
        ]), 'error');
    }
    elseif (!empty($vars['rows'])) {
        $settings = $options[$main_frame_module];
        $view = $vars['view'];
        $rows = $vars['rows'];
        // The #name element is not available on Views edit pages.
        $view_element_name = isset($view->element['#name']) ? $view->element['#name'] : '';
        $vss_id = $view_element_name . '-' . $view->current_display;
        // Give each slideshow a unique id if there are more than one on the page.
        static $instances = [];
        if (isset($instances[$vss_id])) {
            $instances[$vss_id]++;
            $vss_id .= "_" . $instances[$vss_id];
        }
        else {
            $instances[$vss_id] = 1;
        }
        // Building our default methods.
        $methods = [
            'goToSlide' => [],
            'nextSlide' => [],
            'pause' => [],
            'play' => [],
            'previousSlide' => [],
            'transitionBegin' => [],
            'transitionEnd' => [],
        ];
        // Pull all widget info and slideshow info and merge them together.
        $widgetTypeManager = \Drupal::service('plugin.manager.views_slideshow.widget_type');
        $widgetTypes = $widgetTypeManager->getDefinitions();
        $slideshowTypeManager = \Drupal::service('plugin.manager.views_slideshow.slideshow_type');
        $slideshowTypes = $slideshowTypeManager->getDefinitions();
        $addons = array_merge($widgetTypes, $slideshowTypes);
        // Loop through all the addons and call their methods if needed.
        foreach ($addons as $addon_id => $addon_info) {
            foreach ($addon_info['accepts'] as $imp_key => $imp_value) {
                if (is_array($imp_value)) {
                    $methods[$imp_key][] = \Drupal::service('views_slideshow.format_addons_name')->format($addon_id);
                }
                else {
                    $methods[$imp_value][] = \Drupal::service('views_slideshow.format_addons_name')->format($addon_id);
                }
            }
        }
        $vars['#attached']['library'][] = 'views_slideshow/widget_info';
        $vars['#attached']['drupalSettings']['viewsSlideshow'][$vss_id] = [
            'methods' => $methods,
            'paused' => 0,
        ];
        // Process Skins.
        $skinManager = \Drupal::service('plugin.manager.views_slideshow.slideshow_skin');
        $skin = $skinManager->createInstance($options['slideshow_skin']);
        $vars['skin'] = $skin->getClass();
        foreach ($skin->getLibraries() as $library) {
            $vars['#attached']['library'][] = $library;
        }
        // Process Widgets.
        // Build weights.
        $weight = [];
        for ($i = 1; $i <= count($widgetTypes); $i++) {
            $weight['top'][$i] = [];
            $weight['bottom'][$i] = [];
        }
        $slide_count = count($view->result);
        if ($slide_count && $vars['view']->style_plugin->options['slideshow_type'] == 'views_slideshow_cycle') {
            $items_per_slide = $vars['view']->style_plugin->options['views_slideshow_cycle']['items_per_slide'];
            $slide_count = $slide_count / $items_per_slide;
        }
        foreach ($widgetTypes as $widgetTypeId => $widgetTypeName) {
            foreach ($weight as $location => $order) {
                if ($options['widgets'][$location][$widgetTypeId]['enable']) {
                    // If hide on single slide and only a single slide skip rendering.
                    if ($options['widgets'][$location][$widgetTypeId]['hide_on_single_slide'] && $slide_count <= 1) {
                        continue;
                    }
                    $widgetWeight = $options['widgets'][$location][$widgetTypeId]['weight'] > count($widgetTypes) ? count($widgetTypes) : $options['widgets'][$location][$widgetTypeId]['weight'];
                    $weight[$location][$widgetWeight][] = [
                        'widgetId' => $widgetTypeId,
                        'widgetSettings' => $options['widgets'][$location][$widgetTypeId],
                    ];
                }
            }
        }
        // Build our widgets.
        foreach ($weight as $location => $order) {
            $vars[$location . '_widget_rendered'] = [];
            foreach ($order as $widgets) {
                if (is_array($widgets)) {
                    foreach ($widgets as $widgetData) {
                        $vars[$location . '_widget_rendered'][] = [
                            '#theme' => $view->buildThemeFunctions($widgetData['widgetId'] . '_widget'),
                            '#vss_id' => $vss_id,
                            '#view' => $view,
                            '#settings' => $widgetData['widgetSettings'],
                            '#location' => $location,
                            '#rows' => $rows,
                        ];
                    }
                }
            }
        }
        // Process Slideshow.
        $slides = [
            '#theme' => $view->buildThemeFunctions($main_frame_module . '_main_frame'),
            '#vss_id' => $vss_id,
            '#view' => $view,
            '#settings' => $settings,
            '#rows' => $rows,
        ];
        $vars['slideshow'] = [
            '#theme' => $view->buildThemeFunctions('views_slideshow_main_section'),
            '#vss_id' => $vss_id,
            '#slides' => $slides,
            '#plugin' => $main_frame_module,
        ];
    }
}