Your IP : 216.73.217.143
<?php
/**
* LearnDash `Course Navigation` Widget Class.
*
* @since 2.1.0
* @package LearnDash\Widgets
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( ! class_exists( 'LearnDash_Course_Navigation_Widget' ) ) && ( class_exists( 'WP_Widget' ) ) ) {
/**
* Class for LearnDash `Course Navigation` Widget.
*
* @since 2.1.0
* @uses WP_Widget
*/
class LearnDash_Course_Navigation_Widget extends WP_Widget {
/**
* Public constructor for Widget Class.
*
* @since 2.1.0
*/
public function __construct() {
$widget_ops = array(
'classname' => 'widget_ldcoursenavigation',
// translators: placeholder: Course, lessons, topics, course.
'description' => sprintf( esc_html_x( 'LearnDash - %1$s Navigation. Shows %2$s and %3$s on the current %4$s.', 'placeholder: Course, lessons, topics, course', 'learndash' ), learndash_get_custom_label( 'course' ), learndash_get_custom_label_lower( 'lessons' ), learndash_get_custom_label_lower( 'topics' ), learndash_get_custom_label_lower( 'course' ) ),
);
$control_ops = array();
// translators: placeholder: Course.
parent::__construct( 'widget_ldcoursenavigation', sprintf( esc_html_x( '%s Navigation', 'Course Navigation Label', 'learndash' ), learndash_get_custom_label( 'course' ) ), $widget_ops, $control_ops );
}
/**
* Displays widget
*
* @since 2.1.0
*
* @param array $args widget arguments.
* @param array $instance widget instance.
*/
public function widget( $args, $instance ) {
global $learndash_shortcode_used;
$post = get_post( get_the_id() );
if ( ( ! is_a( $post, 'WP_Post' ) ) || ( empty( $post->ID ) ) || ( ! is_single() ) ) {
return;
}
$course_id = learndash_get_course_id( $post->ID );
if ( empty( $course_id ) ) {
return;
}
$instance['show_widget_wrapper'] = true;
$instance['current_lesson_id'] = 0;
$instance['current_step_id'] = 0;
$lesson_query_args = array();
$course_lessons_per_page = learndash_get_course_lessons_per_page( $course_id );
if ( $course_lessons_per_page > 0 ) {
if ( in_array( $post->post_type, array( 'sfwd-lessons', 'sfwd-topic', 'sfwd-quiz' ), true ) ) {
$instance['current_step_id'] = $post->ID;
if ( 'sfwd-lessons' === $post->post_type ) {
$instance['current_lesson_id'] = $post->ID;
} elseif ( in_array( $post->post_type, array( 'sfwd-topic', 'sfwd-quiz' ), true ) ) {
$instance['current_lesson_id'] = learndash_course_get_single_parent_step( $course_id, $post->ID, 'sfwd-lessons' );
}
if ( ! empty( $instance['current_lesson_id'] ) ) {
$course_lesson_ids = learndash_course_get_steps_by_type( $course_id, 'sfwd-lessons' );
if ( ! empty( $course_lesson_ids ) ) {
$course_lessons_paged = array_chunk( $course_lesson_ids, $course_lessons_per_page, true );
$lessons_paged = 0;
foreach ( $course_lessons_paged as $paged => $paged_set ) {
if ( in_array( $instance['current_lesson_id'], $paged_set ) ) { // phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict
$lessons_paged = $paged + 1;
break;
}
}
if ( ! empty( $lessons_paged ) ) {
$lesson_query_args['pagination'] = 'true';
$lesson_query_args['paged'] = $lessons_paged;
}
}
} elseif ( in_array( $post->post_type, array( 'sfwd-quiz' ), true ) ) {
// If here we have a global Quiz. So we set the pager to the max number.
$course_lesson_ids = learndash_course_get_steps_by_type( $course_id, 'sfwd-lessons' );
if ( ! empty( $course_lesson_ids ) ) {
$course_lessons_paged = array_chunk( $course_lesson_ids, $course_lessons_per_page, true );
$lesson_query_args['paged'] = count( $course_lessons_paged );
}
}
}
} else {
if ( in_array( $post->post_type, array( 'sfwd-lessons', 'sfwd-topic', 'sfwd-quiz' ), true ) ) {
$instance['current_step_id'] = $post->ID;
if ( 'sfwd-lessons' === $post->post_type ) {
$instance['current_lesson_id'] = $post->ID;
} elseif ( in_array( $post->post_type, array( 'sfwd-topic', 'sfwd-quiz' ), true ) ) {
$instance['current_lesson_id'] = learndash_course_get_single_parent_step( $course_id, $post->ID, 'sfwd-lessons' );
}
}
}
extract( $args ); // phpcs:ignore WordPress.PHP.DontExtract.extract_extract
/** This filter is documented in https://developer.wordpress.org/reference/hooks/widget_title/ */
$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance );
echo $before_widget; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Need to output HTML.
if ( ! empty( $title ) ) {
echo $before_title . $title . $after_title; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Need to output HTML.
}
learndash_course_navigation( $course_id, $instance, $lesson_query_args );
echo $after_widget; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Need to output HTML.
$learndash_shortcode_used = true;
}
/**
* Handles widget updates in admin
*
* @since 2.1.0
*
* @param array $new_instance New instance.
* @param array $old_instance Old instance.
*
* @return array $instance
*/
public function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = wp_strip_all_tags( $new_instance['title'] );
$instance['show_lesson_quizzes'] = isset( $new_instance['show_lesson_quizzes'] ) ? (bool) $new_instance['show_lesson_quizzes'] : false;
$instance['show_topic_quizzes'] = isset( $new_instance['show_topic_quizzes'] ) ? (bool) $new_instance['show_topic_quizzes'] : false;
$instance['show_course_quizzes'] = isset( $new_instance['show_course_quizzes'] ) ? (bool) $new_instance['show_course_quizzes'] : false;
return $instance;
}
/**
* Display widget form in admin
*
* @since 2.1.0
*
* @param array $instance widget instance.
*
* @return string Default return is 'noform'.
*/
public function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
$title = wp_strip_all_tags( $instance['title'] );
$show_lesson_quizzes = isset( $instance['show_lesson_quizzes'] ) ? (bool) $instance['show_lesson_quizzes'] : false;
$show_topic_quizzes = isset( $instance['show_topic_quizzes'] ) ? (bool) $instance['show_topic_quizzes'] : false;
$show_course_quizzes = isset( $instance['show_course_quizzes'] ) ? (bool) $instance['show_course_quizzes'] : false;
learndash_replace_widgets_alert();
?>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'learndash' ); ?></label>
<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
</p>
<p>
<input class="checkbox" type="checkbox" <?php checked( $show_course_quizzes ); ?> id="<?php echo esc_attr( $this->get_field_id( 'show_course_quizzes' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'show_course_quizzes' ) ); ?>" />
<label for="<?php echo esc_attr( $this->get_field_id( 'show_course_quizzes' ) ); ?>">
<?php
// translators: placeholders: Course, Quizzes.
echo sprintf( esc_html_x( 'Show %1$s %2$s?', 'placeholders: Course, Quizzes', 'learndash' ), LearnDash_Custom_Label::get_label( 'course' ), LearnDash_Custom_Label::get_label( 'quizzes' ) ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Method escapes output
?>
</label>
</p>
<p>
<input class="checkbox" type="checkbox" <?php checked( $show_lesson_quizzes ); ?> id="<?php echo esc_attr( $this->get_field_id( 'show_lesson_quizzes' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'show_lesson_quizzes' ) ); ?>" />
<label for="<?php echo esc_attr( $this->get_field_id( 'show_lesson_quizzes' ) ); ?>">
<?php
// translators: placeholders: Lesson, Quizzes.
echo sprintf( esc_html_x( 'Show %1$s %2$s?', 'placeholders: Lesson, Quizzes', 'learndash' ), LearnDash_Custom_Label::get_label( 'lesson' ), LearnDash_Custom_Label::get_label( 'quizzes' ) ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Method escapes output
?>
</label>
</p>
<p>
<input class="checkbox" type="checkbox" <?php checked( $show_topic_quizzes ); ?> id="<?php echo esc_attr( $this->get_field_id( 'show_topic_quizzes' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'show_topic_quizzes' ) ); ?>" />
<label for="<?php echo esc_attr( $this->get_field_id( 'show_topic_quizzes' ) ); ?>">
<?php
// translators: placeholders: Topic, Quizzes.
echo sprintf( esc_html_x( 'Show %1$s %2$s?', 'placeholders: Topic, Quizzes', 'learndash' ), LearnDash_Custom_Label::get_label( 'topic' ), LearnDash_Custom_Label::get_label( 'quizzes' ) ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Method escapes output
?>
</label>
</p>
<?php
return '';
}
}
add_action(
'widgets_init',
function() {
return register_widget( 'LearnDash_Course_Navigation_Widget' );
}
);
}