}
// enqueue styles
if ($styles && is_array($styles)) {
foreach ($styles as $style) {
wp_enqueue_style($style);
}
}
}
}
/**
* Helper: convert value to boolean
*/
private function get_boolean_value($option)
{
return $option == true ? 1 : 0;
}
}
/**
* Initialise Responsive Lightbox.
*/
function Responsive_Lightbox()
{
static $instance;
// first call to instance() initializes the plugin
if ($instance === null || !$instance instanceof Responsive_Lightbox) {
$instance = Responsive_Lightbox::instance();
}
return $instance;
}
$responsive_lightbox = Responsive_Lightbox();
/**
* Validate settings function
*
* @param array $input
* @return array
*/
public function validate_settings($input)
{
// check cap
if (!current_user_can('manage_options')) {
return $input;
}
// check page
if (!($option_page = esc_attr($_POST['option_page']))) {
return $input;
}
foreach ($this->settings as $id => $setting) {
$key = array_search($option_page, $setting);
if ($key) {
// set key
$setting_id = $id;
continue;
}
}
// check setting id
if (!$setting_id) {
return $input;
}
// save settings
if (isset($_POST['save' . '_' . $this->settings[$setting_id]['prefix'] . '_' . $setting_id])) {
if ($this->settings[$setting_id]['fields']) {
foreach ($this->settings[$setting_id]['fields'] as $field_id => $field) {
if ($field['type'] === 'multiple') {
if ($field['fields']) {
foreach ($field['fields'] as $subfield_id => $subfield) {
// if subfield has parent
if (!empty($this->settings[$setting_id]['fields'][$field_id]['fields'][$subfield_id]['parent'])) {
$field_parent = $this->settings[$setting_id]['fields'][$field_id]['fields'][$subfield_id]['parent'];
$input[$field_parent][$subfield_id] = isset($input[$field_parent][$subfield_id]) ? $this->sanitize_field($input[$field_parent][$subfield_id], $subfield['type']) : ($subfield['type'] === 'boolean' ? false : Responsive_Lightbox()->defaults[$setting_id][$field_parent][$subfield_id]);
} else {
$input[$subfield_id] = isset($input[$subfield_id]) ? $this->sanitize_field($input[$subfield_id], $subfield['type']) : ($subfield['type'] === 'boolean' ? false : Responsive_Lightbox()->defaults[$setting_id][$field_id][$subfield_id]);
}
}
}
} else {
// if field has parent
if (!empty($this->settings[$setting_id]['fields'][$field_id]['parent'])) {
$field_parent = $this->settings[$setting_id]['fields'][$field_id]['parent'];
$input[$field_parent][$field_id] = isset($input[$field_parent][$field_id]) ? $this->sanitize_field($input[$field_parent][$field_id], $field['type']) : ($field['type'] === 'boolean' ? false : Responsive_Lightbox()->defaults[$setting_id][$field_parent][$field_id]);
} else {
$input[$field_id] = isset($input[$field_id]) ? $this->sanitize_field($input[$field_id], $field['type']) : ($field['type'] === 'boolean' ? false : Responsive_Lightbox()->defaults[$setting_id][$field_id]);
}
}
}
}
if ($setting_id === 'settings') {
// merge scripts settings
$input = array_merge(Responsive_Lightbox()->options['settings'], $input);
}
if ($setting_id === 'configuration') {
// merge scripts settings
$input = array_merge(Responsive_Lightbox()->options['configuration'], $input);
}
} elseif (isset($_POST['reset' . '_' . $this->settings[$setting_id]['prefix'] . '_' . $setting_id])) {
if ($setting_id === 'configuration') {
// merge scripts settings
$input[Responsive_Lightbox()->options['settings']['script']] = Responsive_Lightbox()->defaults['configuration'][Responsive_Lightbox()->options['settings']['script']];
$input = array_merge(Responsive_Lightbox()->options['configuration'], $input);
} elseif ($setting_id === 'settings') {
$input = Responsive_Lightbox()->defaults[$setting_id];
$input['update_version'] = Responsive_Lightbox()->options['settings']['update_version'];
$input['update_notice'] = Responsive_Lightbox()->options['settings']['update_notice'];
} else {
$input = Responsive_Lightbox()->defaults[$setting_id];
}
add_settings_error('reset' . '_' . $this->settings[$setting_id]['prefix'] . '_' . $setting_id, 'settings_restored', __('Settings restored to defaults.', 'responsive-lightbox'), 'updated');
}
return $input;
}
/**
* Add lightbox to Jetpack tiled gallery
*
* @param mixed $content
* @param array $attr
* @return mixed
*/
public function add_custom_gallery_lightbox_selector($content, $attr)
{
if (Responsive_Lightbox()->options['settings']['force_custom_gallery'] === true) {
preg_match_all('/<a(.*?)href=(?:\'|")([^<]*?).(bmp|gif|jpeg|jpg|png)(?:\'|")(.*?)>/i', $content, $links);
if (isset($links[0])) {
foreach ($links[0] as $id => $link) {
// gallery image title
$title = '';
if (($title_arg = Responsive_Lightbox()->options['settings']['gallery_image_title']) !== 'default') {
$image_id = (int) $this->get_attachment_id_by_url($links[2][$id] . '.' . $links[3][$id]);
if ($image_id) {
$title_arg = apply_filters('rl_lightbox_attachment_image_title_arg', $title_arg, $image_id, $links[2][$id] . '.' . $links[3][$id]);
$title = wp_strip_all_tags(trim($this->get_attachment_title($image_id, $title_arg)));
}
}
if (preg_match('/<a.*?(?:data-rel)=(?:\'|")(.*?)(?:\'|").*?>/', $link, $result) === 1) {
$content = str_replace($link, preg_replace('/(?:data-rel)=(?:\'|")(.*?)(?:\'|")/', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $this->gallery_no . '"' . (!empty($title) ? ' title="' . $title . '"' : '') . (Responsive_Lightbox()->options['settings']['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $id . '"' : ''), $link), $content);
} else {
$content = str_replace($link, '<a' . $links[1][$id] . 'href="' . $links[2][$id] . '.' . $links[3][$id] . '"' . $links[4][$id] . ' data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $this->gallery_no . '"' . (Responsive_Lightbox()->options['settings']['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $id . '"' : '') . (!empty($title) ? ' title="' . $title . '"' : '') . '>', $content);
}
}
}
}
return $content;
}
/**
* Apply lightbox to WooCommerce procust gallery.
*
* @param mixed $html
* @return mixed
*/
public function woocommerce_single_product_image_thumbnail_html($html)
{
if (Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] === true) {
$html = str_replace('data-rel="prettyPhoto[product-gallery]"', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $this->gallery_no . '"', $html);
}
return $html;
}
