includes();
$this->define_constants();
$this->setup_actions();
$this->setup_filters();
$this->setup_shortcode();
$this->check_dependencies();
// Load in slideshow admin relates classes.
$this->register_slide_types();
$this->admin = new MetaSlider_Admin_Pages($this);
// Load in slideshow related classes
require_once(METASLIDER_PATH . 'admin/slideshows/bootstrap.php');
$this->themes = MetaSlider_Themes::get_instance();
$this->slideshows = MetaSlider_Slideshows::get_instance();
// Default to WP (4.4) REST API but backup with admin ajax
require_once(METASLIDER_PATH . 'admin/routes/api.php');
$this->api = MetaSlider_Api::get_instance();
$this->api->setup();
$this->api->register_admin_ajax_hooks();
if (class_exists('WP_REST_Controller')) new MetaSlider_REST_Controller();
if (function_exists('register_block_type')) {
$this->gutenberg = new MetaSlider_Gutenberg($this);
}
}
/**
* Define MetaSlider constants
*/
private function define_constants() {
if (!defined('METASLIDER_VERSION')) {
define('METASLIDER_VERSION', $this->version);
define('METASLIDER_BASE_URL', plugin_dir_url(metaslider_plugin_is_installed('ml-slider')));
define('METASLIDER_ASSETS_URL', METASLIDER_BASE_URL . 'assets/');
define('METASLIDER_ADMIN_URL', METASLIDER_BASE_URL . 'admin/');
// Use the themes in the plugin dir if it's there (useful for developing)
$has_themes_repo = file_exists(trailingslashit(WP_PLUGIN_DIR) . 'ml-slider-themes/manifest.php');
$themes_path = $has_themes_repo ? trailingslashit(WP_PLUGIN_DIR) . 'ml-slider-themes/' : METASLIDER_PATH . 'themes/';
$themes_url = $has_themes_repo ? trailingslashit(plugins_url('ml-slider-themes/')) : METASLIDER_BASE_URL . 'themes/';
define('METASLIDER_THEMES_PATH', $themes_path);
define('METASLIDER_THEMES_URL', $themes_url);
}
}
/**
* All MetaSlider classes
*/
private function plugin_classes() {
return array(
'metaslider' => METASLIDER_PATH . 'inc/slider/metaslider.class.php',
'metacoinslider' => METASLIDER_PATH . 'inc/slider/metaslider.coin.class.php',
'metaflexslider' => METASLIDER_PATH . 'inc/slider/metaslider.flex.class.php',
'metanivoslider' => METASLIDER_PATH . 'inc/slider/metaslider.nivo.class.php',
'metaresponsiveslider' => METASLIDER_PATH . 'inc/slider/metaslider.responsive.class.php',
'metaslide' => METASLIDER_PATH . 'inc/slide/metaslide.class.php',
'metaimageslide' => METASLIDER_PATH . 'inc/slide/metaslide.image.class.php',
'metasliderimagehelper' => METASLIDER_PATH . 'inc/metaslider.imagehelper.class.php',
'metaslidersystemcheck' => METASLIDER_PATH . 'inc/metaslider.systemcheck.class.php',
'metaslider_widget' => METASLIDER_PATH . 'inc/metaslider.widget.class.php',
'simple_html_dom' => METASLIDER_PATH . 'inc/simple_html_dom.php',
'metaslider_notices' => METASLIDER_PATH . 'admin/Notices.php',
'metaslider_admin_pages' => METASLIDER_PATH . 'admin/Pages.php',
'metaslider_slideshows' => METASLIDER_PATH . 'admin/Slideshows/Slideshows.php',
'metaslider_slide' => METASLIDER_PATH . 'admin/Slideshows/slides/Slide.php',
'metaslider_themes' => METASLIDER_PATH . 'admin/Slideshows/Themes.php',
'metaslider_image' => METASLIDER_PATH . 'admin/Slideshows/Image.php',
'metaslider_tour' => METASLIDER_PATH . 'admin/Tour.php',
'metaslider_gutenberg' => METASLIDER_PATH . 'admin/Gutenberg.php'
);
}
/**
* Load required classes
*/
private function includes() {
require_once(METASLIDER_PATH . 'admin/lib/helpers.php');
// require_once(METASLIDER_PATH . 'admin/lib/temporary.php');
$autoload_is_disabled = defined( 'METASLIDER_AUTOLOAD_CLASSES' ) && METASLIDER_AUTOLOAD_CLASSES === false;
if ( function_exists( "spl_autoload_register" ) && ! ( $autoload_is_disabled ) ) {
// >= PHP 5.2 - Use auto loading
if ( function_exists( "__autoload" ) ) {
spl_autoload_register( "__autoload" );
}
spl_autoload_register( array( $this, 'autoload' ) );
} else {
// < PHP5.2 - Require all classes
foreach ( $this->plugin_classes() as $id => $path ) {
if ( is_readable( $path ) && ! class_exists( $id ) ) {
require_once( $path );
}
}
}
}
/**
* Display a warning on the plugins page if a dependancy
* is missing or a conflict might exist.
*
* @return void
*/
public function check_dependencies() {
// MetaSlider pro is active but pre 2.13.0 (2.13.0 includes its own notice system)
$slug = metaslider_plugin_is_installed('ml-slider-pro');
if (is_plugin_active($slug)) {
$pro_data = get_file_data(trailingslashit(WP_PLUGIN_DIR) . $slug, array('Version' => 'Version'));
$this->installed_pro_version = $pro_data['Version'];
if ($this->installed_pro_version && version_compare($this->installed_pro_version, '2.13.0', '<')) {
add_action('admin_notices', array($this, 'show_pro_is_outdated'), 10, 3);
}
}
}
/**
* The warning message that is displayed
*
* @return void
*/
public function show_pro_is_outdated() {
global $pagenow;
$page = isset($_GET['page']) ? $_GET['page'] : '';
if ('update-core.php' !== $pagenow && 'plugins.php' !== $pagenow && 'metaslider' !== $page) return;
?>
here. Learn more about this notice here', 'ml-slider'), self_admin_url('plugins.php'), 'https://www.metaslider.com/pro-is-installed-but-out-of-date')?>
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($this, 'create_slider'));
add_action('admin_post_metaslider_update_slider', array($this, 'update_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'));
// TODO: Make this work
// register_activation_hook(plugin_basename(__FILE__), array($this, 'after_activation'));
}
/**
* Hook MetaSlider into WordPress
*/
private function setup_filters() {
add_filter('media_upload_tabs', array($this, 'custom_media_upload_tab_name'), 998);
add_filter('media_view_strings', array($this, 'custom_media_uploader_tabs'), 5);
add_filter('media_buttons_context', array($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'));
add_action('admin_head', array($this, 'add_tour_nonce_to_activation_page'));
// html5 compatibility for stylesheets enqueued within
add_filter('style_loader_tag', array($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', 'edit_others_posts' );
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', 'edit_others_posts' );
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() {
if (metaslider_pro_is_active()) {
$this->admin->add_page('MetaSlider Pro', 'metaslider');
} else {
$this->admin->add_page('MetaSlider');
}
if (metaslider_user_sees_upgrade_page()) {
$this->admin->add_page(__('Add-ons', '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) {
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
$sql = $wpdb->prepare("
SELECT ID
FROM $wpdb->posts
WHERE post_title = %s
AND post_type = 'ml-slider'
AND post_status = 'publish'
LIMIT 1
", $title);
$id = $wpdb->get_var($sql);
// 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();
}
/**
* Set first activation option to database
*/
public function after_activation() {
// Set date showing the first activation and redirect
if (!get_option('ms_was_installed_on')) {
update_option('ms_was_installed_on', time());
}
}
/**
* Initialise translations
*/
public function load_plugin_textdomain() {
load_plugin_textdomain( 'ml-slider', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
}
/**
* Check our WordPress installation is compatible with MetaSlider
*/
public function do_system_check() {
$systemCheck = new MetaSliderSystemCheck();
$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'];
} else if ( $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)
*/
public function update_slider() {
// Wordpress will just die() if this fails
check_admin_referer("metaslider_update_slider");
if (!current_user_can(apply_filters('metaslider_capability', 'edit_others_posts'))) {
return wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$slider_id = absint($_POST['slider_id']);
if (!$slider_id) {
return wp_send_json_error(array(
'message' => __("The slideshow you're trying to update was not found.", 'ml-slider')
), 401);
}
$errors = new WP_Error();
// update settings
if (isset($_POST['settings'])) {
$new_settings = $_POST['settings'];
$old_settings = get_post_meta($slider_id, 'ml-slider_settings', true);
// convert submitted checkbox values from 'on' or 'off' to boolean values
$checkboxes = apply_filters("metaslider_checkbox_settings", array('noConflict', 'fullWidth', 'hoverPause', 'links', 'reverse', 'random', 'printCss', 'printJs', 'smoothHeight', 'center', 'carouselMode', 'autoPlay', 'firstSlideFadeIn', 'responsive_thumbs'));
foreach ($checkboxes as $checkbox) {
$new_settings[$checkbox] = (isset($new_settings[$checkbox]) && 'on' == $new_settings[$checkbox]) ? 'true' : 'false';
}
$settings = array_merge((array) $old_settings, $new_settings);
// update the slider settings
// TODO this will return false if the data is unchanged, so we should consider checking the data prior to updating it.
$result = update_post_meta($slider_id, 'ml-slider_settings', $settings);
// if (!$result) $errors->add('update_failed', __('There was an error while updating the post meta. Most likely this means nothing has changed.', 'ml-slider'));
}
// update slideshow title
if (isset($_POST['title'])) {
$result = wp_update_post(array(
'ID' => $slider_id,
'post_title' => esc_html($_POST['title'])
));
if (!$result) $errors->add('update_failed', __('There was an error while updating the title.', 'ml-slider'));
}
// update individual slides
// TODO Refactor this to return better error handling.
if (isset($_POST['attachment'])) {
foreach ($_POST['attachment'] as $slide_id => $fields) {
do_action("metaslider_save_{$fields['type']}_slide", $slide_id, $slider_id, $fields);
}
}
if (count($errors->get_error_messages())) {
return wp_send_json_error($errors, 409);
}
return wp_send_json_success(array(
'message' => __('The slideshow was successfully updated.', 'ml-slider'),
), 200);
}
/**
* Delete a slide via ajax.
*
* @return string Returns the status of the request
*/
public function ajax_undelete_slide() {
if (!wp_verify_nonce($_REQUEST['_wpnonce'], 'metaslider_undelete_slide')) {
return wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$result = $this->undelete_slide(absint($_POST['slide_id']), absint($_POST['slider_id']));
if (is_wp_error($result)) {
return wp_send_json_error(array(
'message' => $result->get_error_message()
), 409);
}
return 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 $slider_id The ID of the slider (for legacy purposes)
* @return mixed
*/
public function undelete_slide($slide_id, $slider_id) {
if ('ml-slide' === get_post_type($slide_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.
*/
// Get the slider's term and apply it to the slide.
$term = get_term_by('name', $slider_id, 'ml-slider');
return wp_set_object_terms($slide_id, $term->term_id, 'ml-slider');
}
/**
* Delete a slide via ajax.
*/
public function ajax_delete_slide() {
if (!wp_verify_nonce($_REQUEST['_wpnonce'], 'metaslider_delete_slide')) {
return wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$result = $this->delete_slide(absint($_POST['slide_id']), absint($_POST['slider_id']));
if (is_wp_error($result)) {
return wp_send_json_error(array(
'message' => $result->get_error_message()
), 409);
}
return 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 $slider_id The ID of the slider
* @return mixed Will return the terms or WP_Error
*/
public function delete_slide($slide_id, $slider_id) {
if ('ml-slide' === get_post_type($slide_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
*/
// 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', $slider_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)
*
* @deprecated 3.11.0 use the API
*
* @return string - the json response from the API
*/
public function delete_slider() {
return $this->api->delete_slideshow($_REQUEST);
}
/**
* Switch view
*
* @return null
*/
public function switch_view() {
global $user_ID;
$view = $_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" ) );
}
/**
* Create a new slider
*/
public function create_slider() {
// check nonce
check_admin_referer( "metaslider_create_slider" );
$capability = apply_filters( 'metaslider_capability', 'edit_others_posts' );
if ( ! current_user_can( $capability ) ) {
return;
}
$defaults = array();
// if possible, take a copy of the last edited slider settings in place of default settings
if ( $last_modified = $this->find_slider( 'modified', 'DESC' ) ) {
$defaults = get_post_meta( $last_modified, 'ml-slider_settings', true );
}
// insert the post
$id = wp_insert_post( array(
'post_title' => __("New Slideshow", "ml-slider"),
'post_status' => 'publish',
'post_type' => 'ml-slider'
)
);
// use the default settings if we can't find anything more suitable.
if ( empty( $defaults ) ) {
$slider = new MetaSlider( $id, array() );
$defaults = $slider->get_default_parameters();
}
// Set a default slideshow theme
// If there is a theme on the most recent
if ($theme = get_post_meta($last_modified, 'metaslider_slideshow_theme', true));
if (!isset($theme['folder'])) {
$theme = $this->themes->get_theme_object(null, $this->themes->random());
}
if (isset($theme['folder'])) update_post_meta($id, 'metaslider_slideshow_theme', $theme);
// insert the post meta
add_post_meta( $id, 'ml-slider_settings', $defaults, true );
// create the taxonomy term, the term is the ID of the slider itself
wp_insert_term( $id, 'ml-slider' );
wp_redirect( admin_url( "admin.php?page=metaslider&id={$id}" ) );
}
/**
* 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 bool
*/
private function compare_elems( $elem1, $elem2 ) {
return $elem1['priority'] > $elem2['priority'];
}
/**
* 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($row['helptext']) : '';
switch ($row['type']) {
// checkbox input type
case 'checkbox':
$output .= "
";
// TODO: Update this button and the entire nav system to a vuejs component
if ($button = $this->toggle_layout_button()) echo $button;
echo "
";
// This will render the select dropdown view
// TODO make this resemble the WP Nav menu UI perhaps
} else {
echo "
";
echo "";
echo "";
// TODO: Update this button and the entire nav system to a vuejs component
if ($button = $this->toggle_layout_button()) echo $button;
echo "
";
}
// This section is shown when there are no slideshows
} else {
include METASLIDER_PATH."admin/views/pages/start.php";
}
}
/**
* Return the users saved view preference.
*/
public function get_view() {
global $user_ID;
if ( get_user_meta( $user_ID, "metaslider_view", true ) ) {
return get_user_meta( $user_ID, "metaslider_view", true );
}
return 'tabs';
}
/**
* Render the admin page (tabs, slides, settings)
*/
public function render_admin_page() {
// Default to the most recently modified slider
$slider_id = $this->find_slider('modified', 'DESC');
// If the id parameter exists, verify and use that.
if (isset($_REQUEST['id']) && $id = $_REQUEST['id']) {
if (in_array(get_post_status(absint($id)), array('publish', 'inherit'))) {
$slider_id = (int)$id;
}
}
// "Set the slider"
// TODO figure out what this does and if it can be better stated
// Perhaps maybe "apply_settings()" or something.
if ($slider_id) {
$this->set_slider($slider_id);
}
$this->do_system_check();
$slider_id = $this->slider ? $this->slider->id : 0;
?>
'; return false; } ?>
slider->id ); ?>
slider->id)) {
// If they are on the trash page, show them?>
' .
__( "Add slider", "ml-slider" ) . '';
}
return $context;
}
/**
* Append the 'Choose MetaSlider' thickbox content to the bottom of selected admin pages
*/
public function admin_footer() {
global $pagenow;
// Only run in post/page creation and edit screens
if ( in_array( $pagenow, array( 'post.php', 'page.php', 'post-new.php', 'post-edit.php' ) ) ) {
$sliders = $this->all_meta_sliders( 'title' );
?>
" . _x("Insert MetaSlider", 'Keep the plugin name "MetaSlider" when possible', "ml-slider") . "";
echo "";
echo "";
} else {
_e( "No slideshows found", "ml-slider" );
}
?>
upgrade_to_pro_iframe(
array(
"",
"
" . sprintf(_x("Ideal for easily creating eye-catching presentations and slideshows using stunning effects with %s 30 animation options %s and a beautiful, easy to use interface.", 'Translators: %s opens and closes a strong tag', 'ml-slider'), '', '') . " " . sprintf(_x('Layers can include %1$s text, HTML, images, videos %2$s and even %1$s shortcodes%2$s!', 'Translators: %1$s opens and %2$s closes a strong tag', 'ml-slider'), '', '') . "
",
"
" . __("Additional optimization and customization options including using a video as the slide background, and adjusting the padding and background color of each layer.", 'ml-slider') . "
",
"" . __('Find out more about all the features of the Add-on Pack here', 'ml-slider') . "",
"" . __('Opens in a new window', 'ml-slider') . ""
)
);
}
/**
* Return the MetaSlider pro upgrade iFrame for Vimeo
*/
public function upgrade_to_pro_tab_vimeo() {
if (function_exists('is_plugin_active') && ! is_plugin_active('ml-slider-pro/ml-slider-pro.php')) {
return wp_iframe(array($this, 'upgrade_to_pro_iframe_vimeo'));
}
}
/**
* Media Manager iframe HTML - vimeo
*/
public function upgrade_to_pro_iframe_vimeo() {
$link = apply_filters('metaslider_hoplink', 'https://www.metaslider.com/upgrade/');
$link .= '?utm_source=lite&utm_medium=more-slide-types-vimeo&utm_campaign=pro';
$this->upgrade_to_pro_iframe(
array(
"",
"
" . __('Create a slideshow full of your favorite videos easily and quickly by simply adding a URL to a Vimeo slide.', 'ml-slider') . "
",
"
" . __('Features include an automatic play/pause function, in which your slideshow will detect when you set a video to play and continue once the video has finished.', 'ml-slider') . "
",
"
" . __('You could even have the slider autoplay a video, giving you a smooth, completely automatic presentation!', 'ml-slider') . "
",
"" . __('Find out more about all the features of the Add-on Pack here', 'ml-slider') . "",
"" . __('Opens in a new window', 'ml-slider') . ""
)
);
}
/**
* Return the MetaSlider pro upgrade iFrame
*/
public function upgrade_to_pro_tab_youtube() {
if (function_exists('is_plugin_active') && ! is_plugin_active('ml-slider-pro/ml-slider-pro.php')) {
return wp_iframe(array($this, 'upgrade_to_pro_iframe_youtube'));
}
}
/**
* Media Manager iframe HTML - youtube
*/
public function upgrade_to_pro_iframe_youtube() {
$link = apply_filters('metaslider_hoplink', 'https://www.metaslider.com/upgrade/');
$link .= '?utm_source=lite&utm_medium=more-slide-types-youtube&utm_campaign=pro';
$this->upgrade_to_pro_iframe(
array(
"",
"
" . __('Create a slideshow full of your favorite videos easily and quickly by simply adding a URL to a YouTube slide.', 'ml-slider') . "
",
"
" . __('Features include an automatic play/pause function, in which your slideshow will detect when you set a video to play and continue once the video has finished.', 'ml-slider') . "
",
"
" . __('You could even have the slider autoplay a video, giving you a smooth, completely automatic presentation!', 'ml-slider') . "
",
"" . __('Find out more about all the features of the Add-on Pack here', 'ml-slider') . "",
"" . __('Opens in a new window', 'ml-slider') . ""
)
);
}
/**
* Return the MetaSlider pro upgrade iFrame
*/
public function upgrade_to_pro_tab_post_feed() {
if (function_exists('is_plugin_active') && ! is_plugin_active('ml-slider-pro/ml-slider-pro.php')) {
return wp_iframe(array($this, 'upgrade_to_pro_iframe_post_feed'));
}
}
/**
* Media Manager iframe HTML - post_feed
*/
public function upgrade_to_pro_iframe_post_feed() {
$link = apply_filters('metaslider_hoplink', 'https://www.metaslider.com/upgrade/');
$link .= '?utm_source=lite&utm_medium=more-slide-types-feed&utm_campaign=pro';
$this->upgrade_to_pro_iframe(
array(
"",
"
" . sprintf(_x('Show off your %1$sblog posts%2$s, %1$sevents%2$s, %1$sWooCommerce products%2$s and other content with %1$sPost Feed%2$s.', 'Translators: %1$s opens and %2$s closes a strong tag', 'ml-slider'), '', '') . "
",
"
" . __('Customise and control which post types you want to display, their order and how to restrict posts to certain tags or categories.', 'ml-slider') . "
",
"
" . __('Post Feed slides can also be used with other slide types to either show one post at a time or in a carousel mode, allowing you to show off a large number of your latest posts in a small amount of space.', 'ml-slider') . "
",
"" . __('Find out more about all the features of the Add-on Pack here', 'ml-slider') . "",
"" . __('Opens in a new window', 'ml-slider') . ""
)
);
}
/**
* Upgrade to pro Iframe - Render
*
* @param array $content The HTML to render
*/
public function upgrade_to_pro_iframe($content) {
wp_enqueue_style('metaslider-admin-styles', METASLIDER_ADMIN_URL . 'assets/css/admin.css', false, METASLIDER_VERSION);
wp_enqueue_script('google-font-api', 'https://fonts.googleapis.com/css?family=PT+Sans:400,700' , false, METASLIDER_VERSION);
echo "
";
echo implode("", $content);
echo "
";
}
/**
* Provide a tip so the user can add the slideshow to thier site
*
* @return string the tip
*/
public function shortcode_tip() {
// Title
return '
' . __("How to Use", "ml-slider") . '' .
// Switch to title button
'
' .
// Copy all button
'
' .
'
' .
// Container
'
' .
// Description
'
' . __('To display your slideshow using id or title, add the following shortcodes (in orange) to your page. If adding the slideshow to your theme files, additionally include the surrounding PHP function (in gray).', 'ml-slider') . '
![](" . METASLIDER_ADMIN_URL . "images/upgrade/layers.png)
",
"![](" . METASLIDER_ADMIN_URL . "images/upgrade/vimeo.png)
",
"![](" . METASLIDER_ADMIN_URL . "images/upgrade/youtube.png)
",
"![](" . METASLIDER_ADMIN_URL . "images/upgrade/post-feed.png)
",
"