views_slideshow_cycle.theme.inc

<?php


/**
 * @file
 * Theme & preprocess functions for the Views Slideshow: cycle module.
 */
use Drupal\Component\Utility\Html;
use Drupal\Core\Asset;

/**
 * Views Slideshow: Theme the main frame wrapper.
 *
 * @ingroup themeable
 */
function template_preprocess_views_slideshow_cycle_main_frame(&$vars) {
    $settings = $vars['settings'];
    $rows = $vars['rows'];
    $view = $vars['view'];
    $vss_id = $vars['vss_id'];
    // Cast the strings into int or bool as necessary.
    $new_settings = array();
    foreach ($settings as $key => $value) {
        if (is_string($value)) {
            $value = str_replace("\n", ' ', $value);
            $value = trim($value);
            if (is_numeric($value)) {
                $value = (int) $value;
            }
            elseif (strtolower($value) == 'true') {
                $value = TRUE;
            }
            elseif (strtolower($value) == 'false') {
                $value = FALSE;
            }
        }
        $new_settings[$key] = $value;
    }
    $settings = array_merge(array(
        'num_divs' => count($rows),
        'id_prefix' => '#views_slideshow_cycle_main_',
        'div_prefix' => '#views_slideshow_cycle_div_',
        'vss_id' => $vss_id,
    ), $new_settings);
    // We need to go through the current js setting values to make sure the one we
    // want to add is not already there. If it is already there then append -[num]
    // to the id to make it unique.
    $slideshow_count = 1;
    global $processedCycles;
    if (is_array($processedCycles)) {
        foreach ($processedCycles as $processedCycle) {
            if (stristr($processedCycle, '#views_slideshow_cycle_main_' . $vss_id)) {
                $slideshow_count++;
            }
        }
    }
    if ($slideshow_count > 1) {
        $vss_id .= '-' . $slideshow_count;
        $settings['vss_id'] = $vss_id;
    }
    // Load the json2 library.
    // @todo Check if there is a better way to detect optional libraries.
    $json2 = \Drupal::service('library.discovery')->getLibraryByName('views_slideshow_cycle', 'json2');
    if (isset($json2['js'][0]['data']) && file_exists($json2['js'][0]['data'])) {
        $vars['#attached']['library'][] = 'views_slideshow_cycle/json2';
    }
    // Load the pause library
    // @todo Check if there is a better way to detect optional libraries.
    if (!empty($settings['pause_in_middle'])) {
        $pause = \Drupal::service('library.discovery')->getLibraryByName('views_slideshow_cycle', 'jquery_pause');
        if (isset($pause['js'][0]['data']) && file_exists($pause['js'][0]['data'])) {
            $vars['#attached']['library'][] = 'views_slideshow_cycle/jquery_pause';
        }
    }
    // Load jQuery Cycle library.
    $vars['#attached']['library'][] = 'views_slideshow_cycle/jquery_cycle';
    // Load our custom cycle library.
    $vars['#attached']['library'][] = 'views_slideshow_cycle/views_slideshow_cycle';
    $vars['#attached']['drupalSettings']['viewsSlideshowCycle']['#views_slideshow_cycle_main_' . $vss_id] = $settings;
    $processedCycles['#views_slideshow_cycle_main_' . $vss_id] = '#views_slideshow_cycle_main_' . $vss_id;
    // Add hover intent library.
    // @todo Check if there is a better way to detect optional libraries.
    if ($settings['pause']) {
        $hoverIntent = \Drupal::service('library.discovery')->getLibraryByName('views_slideshow', 'jquery_hoverIntent');
        if (isset($hoverIntent['js'][0]['data']) && file_exists($hoverIntent['js'][0]['data'])) {
            $vars['#attached']['library'][] = 'views_slideshow/jquery_hoverIntent';
        }
    }
    // Add the slideshow elements.
    $vars['attributes']['class'][] = 'views_slideshow_cycle_teaser_section';
    $styles = '';
    if (isset($view->display_handler->display->display_options['style_options']['views_slideshow_cycle'])) {
        $styles = $view->display_handler->display->display_options['style_options']['views_slideshow_cycle'];
    }
    $styles_default = '';
    if (isset($view->display['default']->display_options['style_options']['views_slideshow_cycle'])) {
        $styles_default = $view->display['default']->display_options['style_options']['views_slideshow_cycle'];
    }
    // Retrieve the number of items per frame.
    if (isset($styles['items_per_slide']) && $styles['items_per_slide'] > 0) {
        $items_per_slide = $styles['items_per_slide'];
    }
    elseif (isset($styles_default['items_per_slide']) && $styles_default['items_per_slide'] > 0) {
        $items_per_slide = $styles_default['items_per_slide'];
    }
    else {
        $items_per_slide = 1;
    }
    $vars['items_per_slide'] = $items_per_slide;
    $items = array();
    $index = 0;
    $vars['rendered_rows'] = '';
    foreach ($rows as $count => $item) {
        $items[] = $item;
        if (count($items) == $items_per_slide || $count == count($rows) - 1) {
            $vars['rendered_rows'][] = array(
                '#theme' => $vars['view']->buildThemeFunctions('views_slideshow_cycle_main_frame_row'),
                '#vss_id' => $vss_id,
                '#items' => $items,
                '#count' => $index,
                '#view' => $vars['view'],
            );
            $items = array();
            $index++;
        }
    }
}

/**
 * Views Slideshow slideshow rows.
 *
 * @ingroup themeable
 */
function template_preprocess_views_slideshow_cycle_main_frame_row(&$vars) {
    $current = $vars['count'] + 1;
    $vars['attributes']['class'][] = 'views_slideshow_cycle_slide';
    $vars['attributes']['class'][] = 'views_slideshow_slide views-row-' . $current;
    if ($vars['count']) {
        $vars['attributes']['class'][] = 'views_slideshow_cycle_hidden';
    }
    $vars['attributes']['class'][] = $vars['count'] % 2 ? 'views-row-even' : 'views-row-odd';
    $vars['rendered_items'] = '';
    foreach ($vars['items'] as $item_count => $item) {
        $vars['rendered_items'][] = array(
            '#theme' => $vars['view']->buildThemeFunctions('views_slideshow_cycle_main_frame_row_item'),
            '#item' => $item,
            '#item_count' => $item_count,
            '#count' => $vars['count'],
            '#view' => $vars['view'],
            '#length' => count($vars['view']->result),
        );
    }
}

/**
 * Views Slideshow slideshow row items.
 *
 * @ingroup themeable
 */
function template_preprocess_views_slideshow_cycle_main_frame_row_item(&$vars) {
    $vars['attributes']['class'][] = 'views-row views-row-' . $vars['count'];
    $vars['attributes']['class'][] = $vars['count'] % 2 ? 'views-row-even' : 'views-row-odd';
    if ($vars['count'] == 0) {
        $vars['attributes']['class'][] = 'views-row-first';
    }
    elseif ($vars['count'] == $vars['length'] - 1) {
        $vars['attributes']['class'][] = 'views-row-last';
    }
    // Support custom row classes.
    if ($row_class = $vars['view']->style_plugin
        ->getRowClass($vars['count'])) {
        $vars['attributes']['class'][] = $row_class;
    }
}

/**
 * Implements hook_preprocess_views_slideshow_pager_fields().
 */
function _views_slideshow_cycle_preprocess_views_slideshow_pager_fields(&$vars) {
    $slide_count = count($vars['view']->result);
    $items_per_slide = $vars['view']->style_plugin->options['views_slideshow_cycle']['items_per_slide'];
    if ($vars['view']->style_plugin->options['slideshow_type'] == 'views_slideshow_cycle') {
        $slide_count = $slide_count / $items_per_slide;
        $slide_count = ceil($slide_count);
    }
    $vars['rendered_field_items'] = '';
    if (empty($vars['settings']['hide_on_single_slide']) || $slide_count > 1) {
        foreach ($vars['view']->result as $count => $node) {
            if ($count < $slide_count) {
                $rendered_fields = '';
                foreach ($vars['settings']['views_slideshow_pager_fields_fields'] as $field => $use) {
                    if ($use !== 0 && is_object($vars['view']->field[$field])) {
                        $rendered_fields[] = array(
                            '#theme' => $vars['view']->buildThemeFunctions('views_slideshow_pager_field_field'),
                            '#view' => $vars['view'],
                            '#label' => $vars['view']->field[$field]->options['label'],
                            '#output' => $vars['view']->style_plugin
                                ->getField($count, $field),
                            '#css_identifier' => Html::cleanCssIdentifier($vars['view']->field[$field]->field),
                        );
                    }
                }
                $vars['rendered_field_items'][] = array(
                    '#theme' => $vars['view']->buildThemeFunctions('views_slideshow_pager_field_item'),
                    '#vss_id' => $vars['vss_id'],
                    '#item' => $rendered_fields,
                    '#count' => $count,
                    '#location' => $vars['location'],
                );
            }
        }
    }
}

/**
 * Implements hook_preprocess_views_slideshow_slide_counter().
 */
function _views_slideshow_cycle_preprocess_views_slideshow_slide_counter(&$vars) {
    if ($vars['view']->style_plugin->options['slideshow_type'] == 'views_slideshow_cycle') {
        $vars['slide_count'] = $vars['slide_count'] / $vars['view']->style_plugin->options['views_slideshow_cycle']['items_per_slide'];
        $vars['slide_count'] = ceil($vars['slide_count']);
    }
}