# photonic/2.43/Layouts/Slideshow.php

Photonic Gallery & Lightbox for Flickr, SmugMug & Others, version 2.43. 75 lines.

- Page: https://pluginprobe.com/plugins/photonic/2.43/code/Layouts/Slideshow.php
- Raw: https://pluginprobe.com/plugins/photonic/2.43/raw/Layouts/Slideshow.php
- Modified: 2020-05-06T23:38:12+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/photonic/2.43/code/Layouts/Slideshow.php#L10-L20`.

```php
<?php
namespace Photonic_Plugin\Layouts;

require_once('Level_One_Gallery.php');

/**
 * Generates the slideshow layout for level 1 objects. Level 2 cannot be displayed as slideshows.
 */
class Slideshow extends Core_Layout implements Level_One_Gallery {
	private static $instance = null;

	public static function get_instance() {
		if (self::$instance == null) {
			self::$instance = new Slideshow();
		}
		return self::$instance;
	}

	function generate_level_1_gallery($photos, $options, $short_code, $module) {
		global $photonic_wp_slide_adjustment, $photonic_wp_slide_align;
		if (!is_array($photos) || empty($photos)) {
			return '';
		}

		$data_attr = '';
		foreach ($short_code as $key => $value) {
			if (in_array($key, ['speed', 'timeout', 'fx', 'pause', 'layout', 'strip-style', 'controls', 'columns'])) {
				$data_attr .= 'data-photonic-'.$key.'="'.esc_attr($value).'" ';
			}
		}

		$style = empty($short_code['style']) ? (empty($short_code['layout']) ? '' : $short_code['layout']) : $short_code['style'];
		$title_position = empty($short_code['title_position']) ? $options['title_position'] : $short_code['title_position'];
		$ret = "<div class='photonic-slideshow {$style} title-display-{$title_position} fix'>\n";
		$ret .= "\t<ul id='photonic-slideshow-{$module->gallery_index}' class='photonic-slideshow-content fix photonic-slideshow-$photonic_wp_slide_adjustment ".(!empty($photonic_wp_slide_align) ? 'photonic-slide-center' : '')."' $data_attr>\n";

		foreach ( $photos as $photo ) {
			$ret .= "\t\t<li class='photonic-slideshow-img' data-thumb='{$photo['thumbnail']}'>\n";
			$title = esc_attr($photo['title']);
			$description = esc_attr($photo['description']);
			if ($short_code['caption'] == 'desc' || ($short_code['caption'] == 'title-desc' && empty($title)) || ($short_code['caption'] == 'desc-title' && !empty($description))) {
				$title = $description;
			}
			else if (($short_code['caption'] == 'desc-title' && empty($title)) || $short_code['caption'] == 'none') {
				$title = '';
			}

			if (!isset($photo['video'])) {
				if ($title_position == 'tooltip') {
					$tooltip = 'data-photonic-tooltip="'.esc_attr($title).'" ';
				}
				else {
					$tooltip = '';
				}
				$ret .= "\t\t\t<img src='".$photo['main_image']."' alt='{$title}' title='".(($title_position == 'regular' || $title_position == 'tooltip') ? $title : '')."' $tooltip id='photonic-slideshow-{$module->gallery_index}-{$photo['id']}' />\n";
			}
			else {
				$ret .="\t\t<video controls loop><source src='{$photo['video']}' type='video/mp4'><img src='{$photo['main_image']}' alt=''></video>";
			}

			$shown_title = '';
			if (in_array($title_position, ['below', 'hover-slideup-show', 'hover-slidedown-show', 'slideup-stick']) && !empty($title)) {
				$shown_title = "\t\t\t".'<div class="photonic-title-info">'."\n\t\t\t\t".'<div class="photonic-photo-title photonic-title">'.wp_specialchars_decode($title, ENT_QUOTES).'</div>'."\n\t\t\t".'</div>'."\n";
			}

			if (!empty($title)) {
				$ret .= $shown_title;
			}
			$ret .= "\t\t</li>\n";
		}
		$ret .= "\t</ul>\n</div><!-- .photonic-slideshow-->\n";
		return $ret;
	}
}

```