class-learndash-admin-topics-listing.php
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<?php
/**
* LearnDash Topics (sfwd-topic) Posts Listing.
*
* @since 3.0.0
* @package LearnDash\Topic\Listing
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( class_exists( 'Learndash_Admin_Posts_Listing' ) ) && ( ! class_exists( 'Learndash_Admin_Topics_Listing' ) ) ) {
/**
* Class LearnDash Topics (sfwd-topic) Posts Listing.
*
* @since 3.0.0
* @uses Learndash_Admin_Posts_Listing
*/
class Learndash_Admin_Topics_Listing extends Learndash_Admin_Posts_Listing {
/**
* Public constructor for class
*
* @since 3.0.0
*/
public function __construct() {
$this->post_type = learndash_get_post_type_slug( 'topic' );
parent::__construct();
}
/**
* Called via the WordPress init action hook.
*
* @since 3.2.3
*/
public function listing_init() {
if ( $this->listing_init_done ) {
return;
}
$this->selectors = array(
'course_id' => array(
'type' => 'post_type',
'post_type' => learndash_get_post_type_slug( 'course' ),
'show_all_value' => '',
'show_all_label' => sprintf(
// translators: placeholder: Courses.
esc_html_x( 'All %s', 'placeholder: Courses', 'learndash' ),
LearnDash_Custom_Label::get_label( 'courses' )
),
'show_empty_value' => 'empty',
'show_empty_label' => sprintf(
// translators: placeholder: Course.
esc_html_x( '-- No %s --', 'placeholder: Course', 'learndash' ),
LearnDash_Custom_Label::get_label( 'course' )
),
'listing_query_function' => array( $this, 'listing_filter_by_course' ),
'selector_filter_function' => array( $this, 'selector_filter_for_course' ),
'selector_value_function' => array( $this, 'selector_value_for_course' ),
),
'lesson_id' => array(
'type' => 'post_type',
'post_type' => learndash_get_post_type_slug( 'lesson' ),
'show_all_value' => '',
'show_all_label' => sprintf(
// translators: placeholder: Lessons.
esc_html_x( 'All %s', 'placeholder: Lessons', 'learndash' ),
LearnDash_Custom_Label::get_label( 'lessons' )
),
'show_empty_value' => 'empty',
'show_empty_label' => sprintf(
// translators: placeholder: Lesson.
esc_html_x( '-- No %s --', 'placeholder: Lesson', 'learndash' ),
LearnDash_Custom_Label::get_label( 'lesson' )
),
'listing_query_function' => array( $this, 'listing_filter_by_lesson' ),
'selector_filters' => array( 'course_id' ),
'selector_filter_function' => array( $this, 'selector_filter_for_lesson' ),
'selector_value_function' => array( $this, 'selector_value_integer' ),
),
);
$this->columns = array(
'course' => array(
'label' => sprintf(
// translators: placeholder: Course.
esc_html_x( 'Assigned %s', 'placeholder: Course', 'learndash' ),
LearnDash_Custom_Label::get_label( 'course' )
),
'after' => 'title',
'display' => array( $this, 'show_column_step_course' ),
'required' => true,
),
'lesson' => array(
'label' => sprintf(
// translators: placeholder: Lesson.
esc_html_x( 'Assigned %s', 'placeholder: Lesson', 'learndash' ),
LearnDash_Custom_Label::get_label( 'lesson' )
),
'after' => 'course',
'display' => array( $this, 'show_column_step_lesson' ),
'required' => true,
),
);
if ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Courses_Builder', 'shared_steps' ) ) {
unset( $this->columns['course'] );
unset( $this->columns['lesson'] );
unset( $this->selectors['lesson_id']['show_empty_value'] );
unset( $this->selectors['lesson_id']['show_empty_label'] );
}
// If Group Leader remove the selector empty option.
if ( learndash_is_group_leader_user() ) {
$gl_manage_courses_capabilities = learndash_get_group_leader_manage_courses();
if ( 'advanced' !== $gl_manage_courses_capabilities ) {
unset( $this->selectors['course_id']['show_empty_value'] );
unset( $this->selectors['course_id']['show_empty_label'] );
}
}
parent::listing_init();
$this->listing_init_done = true;
}
/**
* Call via the WordPress load sequence for admin pages.
*
* @since 3.2.3
*/
public function on_load_listing() {
if ( $this->post_type_check() ) {
parent::on_load_listing();
}
}
/**
* Filter the Topics Lessons selector filters.
*
* @since 3.2.3
*
* @param array $query_args Query Args for Selector.
* @param string $post_type Post Type slug for selector.
*/
public function filter_course_lessons_selector( $query_args = array(), $post_type = '' ) {
global $sfwd_lms;
// Check that the selector post type matches for out listing post type.
if ( $post_type === $this->post_type ) {
if ( isset( $query_args['post_type'] ) ) {
if ( ( ( is_string( $query_args['post_type'] ) ) && ( learndash_get_post_type_slug( 'lesson' ) === $query_args['post_type'] ) ) || ( ( is_array( $query_args['post_type'] ) ) && ( in_array( learndash_get_post_type_slug( 'lesson' ), $query_args['post_type'], true ) ) ) ) {
$course_selector = $this->get_selector( 'course_id' );
if ( ( $course_selector ) && ( isset( $course_selector['selected'] ) ) && ( ! empty( $course_selector['selected'] ) ) ) {
$lessons_items = $sfwd_lms->select_a_lesson_or_topic( absint( $course_selector['selected'] ), false, false );
if ( ! empty( $lessons_items ) ) {
$query_args['post__in'] = array_keys( $lessons_items );
$query_args['orderby'] = 'post__in';
} else {
$query_args['post__in'] = array( 0 );
}
}
}
}
}
return $query_args;
}
// End of functions.
}
}
new Learndash_Admin_Topics_Listing();