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<?php |
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namespace Photonic_Plugin\Core; |
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|
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/** |
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* Class Template |
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* Used for cases where clicking on an album link opens a Photonic gallery on its own page. This is triggered when the shortcode attribute |
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* <code>popup='page'</code> is set |
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* |
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*/ |
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class Template { |
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public function __construct() { |
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add_filter('the_content', [&$this, 'load_gallery'], 100, 1); |
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add_filter('the_title', [&$this, 'set_title'], 10, 2); |
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} |
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|
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/** |
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* Changes the title of the template page to the title of the album being displayed. |
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* |
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* @param $title |
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* @param $id |
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* @return string|void |
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*/ |
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function set_title($title, $id) { |
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global $photonic_page_title, $photonic_gallery_template_page; |
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if (!empty($photonic_gallery_template_page) && is_page($photonic_gallery_template_page) && $photonic_page_title == 'replace-if-available' && $id == $photonic_gallery_template_page) { |
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if (isset($_REQUEST['photonic_gallery_title'])) { |
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return esc_attr($_REQUEST['photonic_gallery_title']); |
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} |
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} |
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return $title; |
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} |
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|
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/** |
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* Changes the content of the template page to have the description and contents of the gallery. |
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* |
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* @param $content |
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* @return string |
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*/ |
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function load_gallery($content) { |
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global $photonic_gallery_template_page; |
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if (!empty($photonic_gallery_template_page) && is_page($photonic_gallery_template_page)) { |
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if (isset($_REQUEST['photonic_gallery'])) { |
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global $photonic_alternative_shortcode; |
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|
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$shortcode_tag = $photonic_alternative_shortcode ?: 'gallery'; |
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$shortcode = $_REQUEST['photonic_gallery']; |
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$shortcode = base64_decode($shortcode); |
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|
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// Input is coming via a URL, so we have to ensure it is safe. |
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// The input is expected to be a Photonic shortcode, so the simplest way is to strip out all instances of the Photonic |
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// shortcode and verify that the input is blank. If it is blank, then all that the input had was a Photonic shortcode. |
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$content_without_shortcodes = strip_shortcodes($shortcode); |
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if (!empty(trim($shortcode)) && has_shortcode($shortcode, $shortcode_tag) && empty(trim($content_without_shortcodes))) { |
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// Looks good. Let's proceed. |
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global $photonic_page_content; |
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if ($photonic_page_content == 'replace-if-available') { |
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$content = do_shortcode($shortcode); |
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} |
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else if ($photonic_page_content == 'append-if-available') { |
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$content .= do_shortcode($shortcode); |
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} |
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} |
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else { |
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// Input looks funny. Stay safe and exit |
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$content .= esc_html__('You are trying to display a gallery, but no gallery was found corresponding to the input.', 'photonic'); |
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} |
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} |
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else { |
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// Input is blank. Show nothing and exit |
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$content .= esc_html__('You are trying to display a gallery, but no input was provided.', 'photonic'); |
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} |
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} |
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return $content; |
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} |
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} |
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|
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new Template(); |
