plugin_classes();
$class_name = strtolower($class);
if (isset($classes[$class_name]) && is_readable($classes[$class_name])) {
require_once($classes[$class_name]);
}
}
/**
* Register the [metaslider] shortcode.
*/
private function setup_shortcode()
{
add_shortcode('metaslider', array($this, 'register_shortcode'));
add_shortcode('ml-slider', array($this, 'register_shortcode')); // backwards compatibility
}
/**
* Hook MetaSlider into WordPress
*/
private function setup_actions()
{
add_action('admin_menu', array($this, 'register_admin_pages'), 9553);
add_action('init', array($this, 'register_post_types'));
add_action('init', array($this, 'register_taxonomy'));
add_action('init', array($this, 'load_plugin_textdomain'));
add_action('admin_footer', array($this, 'admin_footer'), 11);
add_action('widgets_init', array($this, 'register_metaslider_widget'));
add_action('admin_post_metaslider_switch_view', array($this, 'switch_view'));
add_action('admin_post_metaslider_delete_slide', array($this, 'delete_slide'));
add_action('admin_post_metaslider_delete_slider', array($this, 'delete_slider'));
add_action('admin_post_metaslider_create_slider', array($this, 'create_slider'));
add_action('media_upload_vimeo', array($this, 'upgrade_to_pro_tab_vimeo'));
add_action('media_upload_youtube', array($this, 'upgrade_to_pro_tab_youtube'));
add_action('media_upload_post_feed', array($this, 'upgrade_to_pro_tab_post_feed'));
add_action('media_upload_layer', array($this, 'upgrade_to_pro_tab_layer'));
// TODO: Refactor to Slide class object
add_action('wp_ajax_delete_slide', array($this, 'ajax_delete_slide'));
add_action('wp_ajax_undelete_slide', array($this, 'ajax_undelete_slide'));
// Set date showing the first activation and redirect
if (! get_option('ms_was_installed_on')) {
update_option('ms_was_installed_on', time());
}
}
/**
* Hook MetaSlider into WordPress
*/
private function setup_filters()
{
add_filter('media_upload_tabs', array($this, 'custom_media_upload_tab_name'), 998);
add_filter('media_view_strings', array($this, 'custom_media_uploader_tabs'), 5);
add_action('media_buttons', array($this, 'insert_metaslider_button'));
add_filter("plugin_row_meta", array($this, 'get_extra_meta_links'), 10, 4);
add_action('admin_head', array($this, 'add_star_styles'));
// html5 compatibility for stylesheets enqueued within
add_filter('style_loader_tag', array($this, 'add_property_attribute_to_stylesheet_links'), 11, 2);
}
/**
* Register MetaSlider widget
*/
public function register_metaslider_widget()
{
register_widget('MetaSlider_Widget');
}
/**
* Register ML Slider post type
*/
public function register_post_types()
{
$show_ui = false;
$capability = apply_filters('metaslider_capability', self::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (is_admin() && current_user_can($capability) && (isset($_GET['show_ui']) || defined(
"METASLIDER_DEBUG"
) && METASLIDER_DEBUG)) {
$show_ui = true;
}
register_post_type(
'ml-slider',
array(
'query_var' => false,
'rewrite' => false,
'public' => false,
'exclude_from_search' => true,
'publicly_queryable' => false,
'show_in_nav_menus' => false,
'show_ui' => $show_ui,
'labels' => array(
'name' => 'MetaSlider'
)
)
);
register_post_type(
'ml-slide',
array(
'query_var' => false,
'rewrite' => false,
'public' => false,
'exclude_from_search' => true,
'publicly_queryable' => false,
'show_in_nav_menus' => false,
'show_ui' => $show_ui,
'supports' => array('title', 'editor', 'author', 'thumbnail', 'excerpt'),
'labels' => array(
'name' => 'Meta Slides'
)
)
);
}
/**
* Register taxonomy to store slider => slides relationship
*/
public function register_taxonomy()
{
$show_ui = false;
$capability = apply_filters('metaslider_capability', self::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (is_admin() && current_user_can($capability) && (isset($_GET['show_ui']) || defined(
"METASLIDER_DEBUG"
) && METASLIDER_DEBUG)) {
$show_ui = true;
}
register_taxonomy(
'ml-slider',
array('attachment', 'ml-slide'),
array(
'hierarchical' => true,
'public' => false,
'query_var' => false,
'rewrite' => false,
'show_ui' => $show_ui,
'label' => "Slider"
)
);
}
/**
* Register our slide types
*/
private function register_slide_types()
{
$image = new MetaImageSlide();
}
/**
* Add the menu pages
*/
public function register_admin_pages()
{
$title = metaslider_pro_is_active() ? 'MetaSlider Pro' : 'MetaSlider';
$this->admin->add_page($title, 'metaslider');
$this->admin->add_page(__('Settings & Help', 'ml-slider'), 'metaslider-settings', 'metaslider');
if (metaslider_user_sees_upgrade_page()) {
$this->admin->add_page(__('Upgrade to Pro', 'ml-slider'), 'upgrade-metaslider', 'metaslider');
}
}
/**
* Shortcode used to display slideshow
*
* @param string $atts attributes for short code
* @return string HTML output of the shortcode
*/
public function register_shortcode($atts)
{
// TODO: remove extract.
// phpcs:ignore WordPress.PHP.DontExtract.extract_extract
extract(
shortcode_atts(array(
'id' => false,
'title' => false,
'restrict_to' => false,
'theme' => null
), $atts, 'metaslider')
);
// If no id and no title, exit here
if (! $id && ! $title) {
return false;
}
// If there is a title, get the id from the title
if ($title) {
global $wpdb;
// Run a custom query because get_page_by_title() includes "trash" posts
// Also, be sure just to get 1 post, in case they have multiple
$id = $wpdb->get_var(
$wpdb->prepare(
"
SELECT ID
FROM $wpdb->posts
WHERE post_title = %s
AND post_type = 'ml-slider'
AND post_status = 'publish'
LIMIT 1
",
$title
)
);
// If no posts were returned, $id will be NULL
if (is_null($id) || ! (bool)$title) {
return false;
}
}
// handle [metaslider id=123 restrict_to=home]
if ($restrict_to && ('home' === $restrict_to) && ! is_front_page()) {
return false;
}
if ($restrict_to && ('home' !== $restrict_to) && ! is_page($restrict_to)) {
return false;
}
// Attempt to get the ml-slider post object
$slider = get_post($id);
// check the slideshow is published and the ID is correct
if (! $slider || 'publish' !== $slider->post_status || 'ml-slider' !== $slider->post_type) {
return "";
}
// Set up the slideshow and load the slideshow theme
$this->set_slider($id, $atts);
MetaSlider_Themes::get_instance()->load_theme($id, $theme);
$this->slider->enqueue_scripts();
return $this->slider->render_public_slides();
}
/**
* Initialise translations
*/
public function load_plugin_textdomain()
{
// First, unload textdomain - Based on https://core.trac.wordpress.org/ticket/34213#comment:26
unload_textdomain('ml-slider');
// Call the core translations from plugins languages/ folder
if (file_exists(METASLIDER_PATH . 'languages/' . 'ml-slider' . '-' . get_locale() . '.mo')) {
load_textdomain(
'ml-slider',
METASLIDER_PATH . 'languages/' . 'ml-slider' . '-' . get_locale() . '.mo'
);
}
if (function_exists('wp_set_script_translations')) {
wp_set_script_translations(
'metaslider-admin-script',
'ml-slider',
METASLIDER_PATH . 'languages'
);
}
}
/**
* Check our WordPress installation is compatible with MetaSlider
*
* @param int $slideshow_id The current slideshow ID
*/
public function do_system_check($slideshow_id)
{
$systemCheck = new MetaSliderSystemCheck($slideshow_id);
$systemCheck->check();
}
/**
* Update the tab options in the media manager
*
* @param array $strings Array of settings for custom media tabs
* @return array
*/
public function custom_media_uploader_tabs($strings)
{
// update strings
if ((isset($_GET['page']) && $_GET['page'] == 'metaslider')) {
$strings['insertMediaTitle'] = __("Image", "ml-slider");
$strings['insertIntoPost'] = __("Add to slideshow", "ml-slider");
// remove options
$strings_to_remove = array(
'createVideoPlaylistTitle',
'createGalleryTitle',
'insertFromUrlTitle',
'createPlaylistTitle'
);
foreach ($strings_to_remove as $string) {
if (isset($strings[$string])) {
unset($strings[$string]);
}
}
}
return $strings;
}
/**
* Add extra tabs to the default wordpress Media Manager iframe
*
* @param array $tabs existing media manager tabs]
* @return array
*/
public function custom_media_upload_tab_name($tabs)
{
$metaslider_tabs = array('post_feed', 'layer', 'youtube', 'vimeo');
// restrict our tab changes to the MetaSlider plugin page
if ((isset($_GET['page']) && $_GET['page'] == 'metaslider') || (isset($_GET['tab']) && in_array(
$_GET['tab'],
$metaslider_tabs
))) {
$newtabs = array();
if (function_exists('is_plugin_active') && ! is_plugin_active('ml-slider-pro/ml-slider-pro.php')) {
$newtabs = array(
'post_feed' => __("Post Feed", "metaslider"),
'vimeo' => __("Vimeo", "metaslider"),
'youtube' => __("YouTube", "metaslider"),
'layer' => __("Layer Slide", "metaslider")
);
}
if (isset($tabs['nextgen'])) {
unset($tabs['nextgen']);
}
if (is_array($tabs)) {
return array_merge($tabs, $newtabs);
} else {
return $newtabs;
}
}
return $tabs;
}
/**
* Set the current slider
*
* @param int $id ID for slider
* @param array $shortcode_settings Settings for slider
*/
public function set_slider($id, $shortcode_settings = array())
{
$type = 'flex';
if (isset($shortcode_settings['type'])) {
$type = $shortcode_settings['type'];
} elseif ($settings = get_post_meta($id, 'ml-slider_settings', true)) {
if (is_array($settings) && isset($settings['type'])) {
$type = $settings['type'];
}
}
if (! in_array($type, array('flex', 'coin', 'nivo', 'responsive'))) {
$type = 'flex';
}
$this->slider = $this->load_slider($type, $id, $shortcode_settings);
}
/**
* Create a new slider based on the sliders type setting
*
* @param string $type Type of slide
* @param int $id ID of slide
* @param string $shortcode_settings Shortcode settings
* @return array
*/
private function load_slider($type, $id, $shortcode_settings)
{
switch ($type) {
case ('coin'):
return new MetaCoinSlider($id, $shortcode_settings);
case ('flex'):
return new MetaFlexSlider($id, $shortcode_settings);
case ('nivo'):
return new MetaNivoSlider($id, $shortcode_settings);
case ('responsive'):
return new MetaResponsiveSlider($id, $shortcode_settings);
default:
return new MetaFlexSlider($id, $shortcode_settings);
}
}
/**
* Update the slider
*
* @return string a JSON string with success or failure (and errors)
* @deprecated 3.13.0 use the API
*
*/
public function update_slider()
{
return $this->api->save_slideshow(stripslashes_deep($_REQUEST));
}
/**
* Delete a slide via ajax.
*
* @return string Returns the status of the request
*/
public function ajax_undelete_slide()
{
if (! isset($_REQUEST['_wpnonce']) || ! wp_verify_nonce(
sanitize_key($_REQUEST['_wpnonce']),
'metaslider_undelete_slide'
)) {
wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$capability = apply_filters('metaslider_capability', MetaSliderPlugin::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (! current_user_can($capability)) {
wp_send_json_error(
[
'message' => __('Access denied', 'ml-slider')
],
403
);
}
if (! isset($_POST['slide_id']) || ! isset($_POST['slider_id'])) {
wp_send_json_error(
[
'message' => __('Bad request', 'ml-slider'),
],
400
);
}
$result = $this->undelete_slide(absint($_POST['slide_id']), absint($_POST['slider_id']));
if (is_wp_error($result)) {
wp_send_json_error(array(
'message' => $result->get_error_message()
), 409);
}
wp_send_json_success(array(
'message' => __('The slide was successfully restored', 'ml-slider'),
), 200);
}
/**
* Undeletes a slide.
*
* @param int $slide_id The ID of the slide
* @param int $slideshow_id The ID of the slideshow
* @return mixed
*/
public function undelete_slide($slide_id, $slideshow_id)
{
if ('ml-slide' === get_post_type($slide_id)) {
// Touch the slideshow post type to update the modified date
wp_update_post(array('ID' => $slideshow_id));
return wp_update_post(array(
'ID' => $slide_id,
'post_status' => 'publish'
),
new WP_Error(
'update_failed',
__('The attempt to restore the slide failed.', 'ml-slider'),
array('status' => 409)
));
}
/*
* Legacy: This removes the relationship between the slider and slide
* This restores the relationship between a slide and slider.
* If using a newer version, this relationship is never lost on delete.
* NB: this covers when a 'ml-slide' was an attachment with meta
*/
// Get the slider's term and apply it to the slide.
$term = get_term_by('name', $slideshow_id, 'ml-slider');
return wp_set_object_terms($slide_id, $term->term_id, 'ml-slider');
}
/**
* Delete a slide via ajax.
*/
public function ajax_delete_slide()
{
if (! isset($_REQUEST['_wpnonce']) || ! wp_verify_nonce(
sanitize_key($_REQUEST['_wpnonce']),
'metaslider_delete_slide'
)) {
wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$capability = apply_filters('metaslider_capability', MetaSliderPlugin::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (! current_user_can($capability)) {
wp_send_json_error(
[
'message' => __('Access denied', 'ml-slider')
],
403
);
}
if (! isset($_POST['slide_id']) || ! isset($_POST['slider_id'])) {
wp_send_json_error(
[
'message' => __('Bad request', 'ml-slider'),
],
400
);
}
$result = $this->delete_slide(absint($_POST['slide_id']), absint($_POST['slider_id']));
if (is_wp_error($result)) {
wp_send_json_error(array(
'message' => $result->get_error_message()
), 409);
}
wp_send_json_success(array(
'message' => __('The slide was successfully trashed', 'ml-slider'),
), 200);
}
/**
* Delete a slide by either trashing it or for
* legacy reasons removing the taxonomy relationship.
*
* @param int $slide_id The ID of the slide
* @param int $slideshow_id The ID of the slideshow
* @return mixed Will return the terms or WP_Error
*/
public function delete_slide($slide_id, $slideshow_id)
{
if ('ml-slide' === get_post_type($slide_id)) {
// Touch the slideshow post type to update the modified date
wp_update_post(array('ID' => $slideshow_id));
return wp_update_post(array(
'ID' => $slide_id,
'post_status' => 'trash'
), new WP_Error('update_failed', 'The attempt to delete the slide failed.', array('status' => 409)));
}
/*
* Legacy: This removes the relationship between the slider and slide
* A slider with ID 216 might have a term_id of 7
* A slide with ID 217 could have a term_taxonomy_id of 7
* Multiple slides would have this term_taxonomy_id of 7
* NB: this covers when a 'ml-slide' was an attachment with meta
*/
// This returns the term_taxonomy_id (7 from example)
$current_terms = wp_get_object_terms($slide_id, 'ml-slider', array('fields' => 'ids'));
// This returns the term object, named after the slider ID
// The $term->term_id would be 7 in the example above
// It also includes the count of slides attached to the slider
$term = get_term_by('name', $slideshow_id, 'ml-slider');
// I'm not sure why this is here. It seems this is only useful if
// a slide was attached to multiple sliders. A slide should only
// have one $current_terms (7 above)
$new_terms = array();
foreach ($current_terms as $current_term) {
if ($current_term != $term->term_id) {
$new_terms[] = absint($current_term);
}
}
// This only works becasue $new_terms is an empty array,
// which deletes the relationship. I'm leaving the loop above
// in case it's here for some legacy reason I'm unaware of.
return wp_set_object_terms($slide_id, $new_terms, 'ml-slider');
}
/**
* Delete a slider (send it to trash)
*
* @return string - the json response from the API
* @deprecated 3.11.0 use the API
*
*/
public function delete_slider()
{
return $this->api->delete_slideshow($_REQUEST);
}
/**
* Switch view
*
* @return null
*/
public function switch_view()
{
global $user_ID;
if (! isset($_GET['view'])) {
return;
}
$view = sanitize_key($_GET['view']);
$allowed_views = array('tabs', 'dropdown');
if (! in_array($view, $allowed_views)) {
return;
}
delete_user_meta($user_ID, "metaslider_view");
if ($view == 'dropdown') {
add_user_meta($user_ID, "metaslider_view", "dropdown");
}
wp_redirect(admin_url("admin.php?page=metaslider"));
exit;
}
/**
* Create a new slider
*/
public function create_slider()
{
check_admin_referer('metaslider_create_slider');
$capability = apply_filters('metaslider_capability', self::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (! current_user_can($capability)) {
return;
}
$id = MetaSlider_Slideshows::create();
wp_redirect(admin_url("admin.php?page=metaslider&id={$id}"));
exit;
}
/**
* Find a single slider ID. For example, last edited, or first published.
*
* @param string $orderby field to order.
* @param string $order direction (ASC or DESC).
* @return int slider ID.
*/
private function find_slider($orderby, $order)
{
$args = array(
'force_no_custom_order' => true,
'post_type' => 'ml-slider',
'num_posts' => 1,
'post_status' => 'publish',
'suppress_filters' => 1, // wpml, ignore language filter
'orderby' => $orderby,
'order' => $order
);
$the_query = new WP_Query($args);
while ($the_query->have_posts()) {
$the_query->the_post();
return $the_query->post->ID;
}
wp_reset_query();
return false;
}
/**
* Get sliders. Returns a nicely formatted array of currently
* published sliders.
*
* @param string $sort_key Specified sort key
* @return array all published sliders
*/
public function all_meta_sliders($sort_key = 'date')
{
$sliders = array();
// list the tabs
$args = array(
'post_type' => 'ml-slider',
'post_status' => 'publish',
'orderby' => $sort_key,
'suppress_filters' => 1, // wpml, ignore language filter
'order' => 'ASC',
'posts_per_page' => -1
);
$args = apply_filters('metaslider_all_meta_sliders_args', $args);
// WP_Query causes issues with other plugins using admin_footer to insert scripts
// use get_posts instead
$all_sliders = get_posts($args);
foreach ($all_sliders as $slideshow) {
$active = $this->slider && ($this->slider->id == $slideshow->ID) ? true : false;
$sliders[] = array(
'active' => $active,
'title' => $slideshow->post_title,
'id' => $slideshow->ID
);
}
return $sliders;
}
/**
* Compare array values
*
* @param array $elem1 The first element to comapre
* @param array $elem2 The second element to comapr
* @return int
*/
private function compare_elems($elem1, $elem2)
{
if ($elem1['priority'] == $elem2['priority']) {
return 0;
}
return $elem1['priority'] > $elem2['priority'] ? 1 : -1;
}
/**
* Building setting rows
*
* @param array $settings array of fields to render
* @return string
*/
public function build_settings_rows($settings)
{
// order the fields by priority
uasort($settings, array($this, "compare_elems"));
$output = "";
// loop through the array and build the settings HTML
foreach ($settings as $id => $row) {
$helptext = isset($row['helptext']) ? htmlentities2($row['helptext']) : '';
$after = '';
if (isset($row['after'])) {
$after = '' . $row['after'] . '';
}
$output .= '
';
switch ($row['type']) {
// checkbox input type
case 'checkbox':
$output .= '
' . esc_html(
$row["label"]
) . '
';
$output .= $after;
$output .= '
';
break;
// navigation row
case 'navigation':
$navigation_row = '