views_slideshow_cycle.theme.inc

<?php


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

/**
 * Views Slideshow: Theme the main frame wrapper.
 *
 * @ingroup vss_theme
 */
function template_preprocess_views_slideshow_cycle_main_frame(&$vars) {
    $settings = $vars['settings'];
    $rows = $vars['rows'];
    $vss_id = $vars['vss_id'];
    // Cast the strings into int or bool as necessary.
    $new_settings = [];
    foreach ($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;
    }
    $num_divs = count($rows);
    if ($settings['items_per_slide_first']) {
        $num_divs -= $settings['items_per_slide_first_number'];
        $num_divs = $num_divs / $settings['items_per_slide'];
        $num_divs += 1;
    }
    else {
        $num_divs = $num_divs / $settings['items_per_slide'];
    }
    $settings = array_merge([
        'num_divs' => ceil($num_divs),
        '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 $_views_slideshow_processedCycles;
    if (is_array($_views_slideshow_processedCycles)) {
        foreach ($_views_slideshow_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'] = $vss_id;
    }
    // Load the json2 library.
    if (!empty($settings['advanced_options'])) {
        $vars['#attached']['library'][] = 'views_slideshow_cycle/json2';
    }
    // Load the pause library.
    if (!empty($settings['pause_in_middle'])) {
        $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;
    $_views_slideshow_processedCycles['#views_slideshow_cycle_main_' . $vss_id] = '#views_slideshow_cycle_main_' . $vss_id;
    // Add hover intent library.
    if ($settings['pause']) {
        $vars['#attached']['library'][] = 'views_slideshow/jquery_hoverIntent';
    }
    // Add the slideshow elements.
    $vars['attributes']['class'][] = 'views_slideshow_cycle_teaser_section';
    $vars['items_per_slide'] = $settings['items_per_slide'];
    $items = [];
    $index = 0;
    $vars['rendered_rows'] = [];
    foreach ($rows as $count => $item) {
        $items[] = $item;
        if ($settings['items_per_slide_first'] && empty($vars['rendered_rows'])) {
            if (count($items) == $settings['items_per_slide_first_number'] || $count == count($rows) - 1) {
                $vars['rendered_rows'][] = [
                    '#theme' => $vars['view']->buildThemeFunctions('views_slideshow_cycle_main_frame_row'),
                    '#vss_id' => $vss_id,
                    '#items' => $items,
                    '#count' => $index,
                    '#view' => $vars['view'],
                ];
                $items = [];
                $index++;
            }
        }
        elseif (count($items) == $settings['items_per_slide'] || $count == count($rows) - 1) {
            $vars['rendered_rows'][] = [
                '#theme' => $vars['view']->buildThemeFunctions('views_slideshow_cycle_main_frame_row'),
                '#vss_id' => $vss_id,
                '#items' => $items,
                '#count' => $index,
                '#view' => $vars['view'],
            ];
            $items = [];
            $index++;
        }
    }
}

/**
 * Views Slideshow slideshow rows.
 *
 * @ingroup vss_theme
 */
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'][] = [
            '#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 vss_theme
 */
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().
 *
 * @ingroup vss_theme
 */
function _views_slideshow_cycle_preprocess_views_slideshow_pager_fields(&$vars) {
    $slide_count = count($vars['view']->result);
    $options = $vars['view']->style_plugin->options['views_slideshow_cycle'];
    if ($vars['settings']['hide_on_single_slide'] && $slide_count == 1) {
        return;
    }
    $vars['rendered_field_items'] = [];
    for ($slide = 0, $count = 0; $slide < $slide_count; $count++) {
        $rendered_fields = [];
        foreach ($vars['settings']['views_slideshow_pager_fields']['views_slideshow_pager_fields_fields'] as $field => $use) {
            if ($use !== 0 && is_object($vars['view']->field[$field])) {
                $rendered_fields[] = [
                    '#theme' => $vars['view']->buildThemeFunctions('views_slideshow_pager_field_field'),
                    '#view' => $vars['view'],
                    '#label' => $vars['view']->field[$field]->options['label'],
                    '#output' => $vars['view']->style_plugin
                        ->getField($slide, $field),
                    '#css_identifier' => Html::cleanCssIdentifier($vars['view']->field[$field]->field),
                ];
            }
        }
        if (empty($vars['rendered_field_items']) && $options['items_per_slide_first']) {
            $slide += $options['items_per_slide_first_number'];
        }
        elseif ($options['items_per_slide']) {
            $slide += $options['items_per_slide'];
        }
        else {
            $slide += 1;
        }
        $vars['rendered_field_items'][] = [
            '#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().
 *
 * @ingroup vss_theme
 */
function _views_slideshow_cycle_preprocess_views_slideshow_slide_counter(&$vars) {
    $options = $vars['view']->style_plugin->options['views_slideshow_cycle'];
    if ($options['items_per_slide_first']) {
        $slide_count = $vars['slide_count'] - $options['items_per_slide_first_number'];
        $slide_count = $slide_count / $options['items_per_slide'];
        $slide_count += 1;
    }
    else {
        $slide_count = $vars['slide_count'] / $options['items_per_slide'];
    }
    $vars['slide_count'] = ceil($slide_count);
}