tutor / classes / Course_Widget.php

Course_Widget.php in Tutor LMS – eLearning and online course solution 2.0.1, at classes/Course_Widget.php

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1	<?php
2
3	/**
4	* Widget class
5	*
6	* @author: themeum
7	* @author_uri: https://themeum.com
8	* @package Tutor
9	* @since v.1.3.1
10	*/
11
12	namespace TUTOR;
13
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit;
16	}
17
18	class Course_Widget extends \WP_Widget {
19
20	function __construct() {
21	parent::__construct(
22	'tutor_course_widget', // Base ID
23	esc_html__( 'Tutor Course', 'tutor' ), // Name
24	array( 'description' => esc_html__( 'Display courses wherever widget support is available.', 'tutor' ) ) // Args
25	);
26	}
27
28	/**
29	* Front-end display of widget.
30	*
31	* @see WP_Widget::widget()
32	*
33	* @param array $args Widget arguments.
34	* @param array $instance Saved values from database.
35	*/
36	public function widget( $args, $instance ) {
37	echo $args['before_widget'];
38	if ( ! empty( $instance['title'] ) ) {
39	echo $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ) . $args['after_title'];
40	}
41
42	$course_post_type = tutor()->course_post_type;
43
44	$form_args = $instance;
45	unset( $form_args['title'] );
46
47	$default_args = array(
48	'post_type' => $course_post_type,
49	'post_status' => 'publish',
50
51	'id' => '',
52	'exclude_ids' => '',
53	'category' => '',
54
55	'orderby' => 'ID',
56	'order' => 'DESC',
57	'count' => '6',
58	);
59
60	$a = array_merge( $default_args, $form_args );
61
62	if ( ! empty( $a['id'] ) ) {
63	$ids = (array) explode( ',', $a['id'] );
64	$a['post__in'] = $ids;
65	}
66
67	if ( ! empty( $a['exclude_ids'] ) ) {
68	$exclude_ids = (array) explode( ',', $a['exclude_ids'] );
69	$a['post__not_in'] = $exclude_ids;
70	}
71	if ( ! empty( $a['category'] ) ) {
72	$category = (array) explode( ',', $a['category'] );
73
74	$a['tax_query'] = array(
75	array(
76	'taxonomy' => 'course-category',
77	'field' => 'term_id',
78	'terms' => $category,
79	'operator' => 'IN',
80	),
81	);
82	}
83	$a['posts_per_page'] = (int) $a['count'];
84
85	wp_reset_query();
86	query_posts( $a );
87	ob_start();
88	tutor_load_template( 'widget.courses' );
89	$output = ob_get_clean();
90	wp_reset_query();
91
92	echo $output;
93
94	echo $args['after_widget'];
95	}
96
97	/**
98	* Back-end widget form.
99	*
100	* @see WP_Widget::form()
101	*
102	* @param array $instance Previously saved values from database.
103	*/
104	public function form( $instance ) {
105	$title = ! empty( $instance['title'] ) ? $instance['title'] : esc_html__( 'New title', 'tutor' );
106	$id = ! empty( $instance['id'] ) ? $instance['id'] : '';
107	$exclude_ids = ! empty( $instance['exclude_ids'] ) ? $instance['exclude_ids'] : '';
108	$category = ! empty( $instance['category'] ) ? $instance['category'] : '';
109	$orderby = ! empty( $instance['orderby'] ) ? $instance['orderby'] : '';
110	$order = ! empty( $instance['order'] ) ? $instance['order'] : '';
111	$count = ! empty( $instance['count'] ) ? $instance['count'] : '6';
112	?>
113	<p>
114	<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>">
115	<?php _e( 'Title', 'tutor' ); ?>:
116	</label>
117	<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 ); ?>">
118	</p>
119
120	<p>
121	<label for="<?php echo esc_attr( $this->get_field_id( 'id' ) ); ?>">
122	<?php _e( 'ID', 'tutor' ); ?>:
123	</label>
124	<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'id' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'id' ) ); ?>" type="text" value="<?php echo esc_attr( $id ); ?>"> <br />
125	<span style="color: #AAAAAA">
126	<?php _e( 'Place single course id or comma (,) separated course ids', 'tutor' ); ?>
127	</span>
128	</p>
129
130	<p>
131	<label for="<?php echo esc_attr( $this->get_field_id( 'exclude_ids' ) ); ?>"><?php esc_attr_e( 'Exclude IDS:', 'tutor' ); ?></label>
132	<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'exclude_ids' ) ); ?>" name="<?php echo esc_attr($this->get_field_name( 'exclude_ids' )); ?>" type="text" value="<?php echo esc_attr( $exclude_ids ); ?>"> <br />
133	<span style="color: #AAAAAA">
134	<?php _e( 'Place comma (,) separated courses ids which you like to exclude from the query', 'tutor' ); ?>
135	</span>
136	</p>
137
138	<p>
139	<label for="<?php echo esc_attr( $this->get_field_id( 'category' ) ); ?>">
140	<?php _e( 'Category', 'tutor' ); ?>:
141	</label>
142	<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'category' ) ); ?>" name="<?php echo esc_attr($this->get_field_name( 'category' )); ?>" type="text" value="<?php echo esc_attr( $category ); ?>"> <br />
143	<span style="color: #AAAAAA">
144	<?php _e( 'Place comma (,) separated category ids', 'tutor' ); ?>
145	</span>
146	</p>
147
148	<p>
149	<label for="<?php echo esc_attr( $this->get_field_id( 'orderby' ) ); ?>">
150	<?php _e( 'OrderBy', 'tutor' ); ?>
151	</label>
152
153	<select class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'orderby' ) ); ?>" >
154	<option value="ID" <?php selected( 'ID', $orderby ); ?> >ID</option>
155	<option value="title" <?php selected( 'title', $orderby ); ?> >title</option>
156	<option value="rand" <?php selected( 'rand', $orderby ); ?> >rand</option>
157	<option value="date" <?php selected( 'date', $orderby ); ?> >date</option>
158	<option value="menu_order" <?php selected( 'menu_order', $orderby ); ?> >menu_order</option>
159	<option value="post__in" <?php selected( 'post__in', $orderby ); ?> >post__in</option>
160	</select> <br />
161	</p>
162
163	<p>
164	<label for="<?php echo esc_attr( $this->get_field_id( 'order' ) ); ?>">
165	<?php _e( 'Order', 'tutor' ); ?>
166	</label>
167
168	<select class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'order' ) ); ?>" >
169	<option value="DESC" <?php selected( 'DESC', $order ); ?> >DESC</option>
170	<option value="ASC" <?php selected( 'ASC', $order ); ?> >ASC</option>
171	</select> <br />
172	</p>
173
174	<p>
175	<label for="<?php echo esc_attr( $this->get_field_id( 'count' ) ); ?>"><?php esc_attr_e( 'Count:', 'tutor' ); ?></label>
176	<input class="widefat tutor-form-number-verify" id="<?php echo esc_attr( $this->get_field_id( 'count' ) ); ?>" name="<?php echo esc_attr($this->get_field_name( 'count' ) ); ?>" type="number" value="<?php echo esc_attr( $count ); ?>" min="1"> <br />
177	<span style="color: #AAAAAA">
178	<?php _e('Total results you like to show', 'tutor'); ?>
179	</span>
180	</p>
181
182	<?php
183	}
184
185	/**
186	* Sanitize widget form values as they are saved.
187	*
188	* @see WP_Widget::update()
189	*
190	* @param array $new_instance Values just sent to be saved.
191	* @param array $old_instance Previously saved values from database.
192	*
193	* @return array Updated safe values to be saved.
194	*/
195	public function update( $new_instance, $old_instance ) {
196	$instance = array();
197	$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? sanitize_text_field( $new_instance['title'] ) : '';
198	$instance['id'] = ( ! empty( $new_instance['id'] ) ) ? sanitize_text_field( $new_instance['id'] ) : '';
199	$instance['exclude_ids'] = ( ! empty( $new_instance['exclude_ids'] ) ) ? sanitize_text_field( $new_instance['exclude_ids'] ) : '';
200	$instance['category'] = ( ! empty( $new_instance['category'] ) ) ? sanitize_text_field( $new_instance['category'] ) : '';
201	$instance['orderby'] = ( ! empty( $new_instance['orderby'] ) ) ? sanitize_text_field( $new_instance['orderby'] ) : '';
202	$instance['order'] = ( ! empty( $new_instance['order'] ) ) ? sanitize_text_field( $new_instance['order'] ) : '';
203	$instance['count'] = ( ! empty( $new_instance['count'] ) ) ? sanitize_text_field( $new_instance['count'] ) : '';
204
205	return $instance;
206	}
207	}
208