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Filename :
class-widgets.php
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<?php // exit if accessed directly if ( ! defined( 'ABSPATH' ) ) exit; /** * Post_Views_Counter_Widgets class. * * @class Post_Views_Counter_Widgets */ class Post_Views_Counter_Widgets { /** * Class constructor. * * @return void */ public function __construct() { // actions add_action( 'widgets_init', [ $this, 'register_widgets' ] ); } /** * Register widgets. * * @return void */ public function register_widgets() { register_widget( 'Post_Views_Counter_List_Widget' ); } } /** * Post_Views_Counter_List_Widget class. * * @class Post_Views_Counter_List_Widget */ class Post_Views_Counter_List_Widget extends WP_Widget { private $pvc_defaults; private $pvc_order_types; public $pvc_periods; private $pvc_list_types; private $pvc_image_sizes; /** * Class constructor. * * @return void */ public function __construct() { // call parent parent::__construct( 'Post_Views_Counter_List_Widget', __( 'Most Viewed Posts', 'post-views-counter' ), [ 'description' => __( 'Displays a list of the most viewed posts', 'post-views-counter' ) ] ); // default settings $this->pvc_defaults = [ 'title' => __( 'Most Viewed Posts', 'post-views-counter' ), 'number_of_posts' => 5, 'period' => 'total', 'thumbnail_size' => 'thumbnail', 'post_type' => [], 'order' => 'desc', 'list_type' => 'unordered', 'show_post_views' => true, 'show_post_thumbnail' => false, 'show_post_excerpt' => false, 'show_post_author' => false, 'no_posts_message' => __( 'No most viewed posts found', 'post-views-counter' ) ]; // order types $this->pvc_order_types = [ 'asc' => __( 'Ascending', 'post-views-counter' ), 'desc' => __( 'Descending', 'post-views-counter' ) ]; // periods $this->pvc_periods = [ 'total' => __( 'Total Views', 'post-views-counter' ) ]; // list types $this->pvc_list_types = [ 'unordered' => __( 'Unordered list', 'post-views-counter' ), 'ordered' => __( 'Ordered list', 'post-views-counter' ) ]; // image sizes $this->pvc_image_sizes = array_merge( [ 'full' ], get_intermediate_image_sizes() ); // sort image sizes by name, ascending sort( $this->pvc_image_sizes, SORT_STRING ); } /** * Display widget. * * @param array $args * @param array $instance * @return void */ public function widget( $args, $instance ) { // empty title? if ( empty( $instance['title'] ) ) $instance['title'] = $this->pvc_defaults['title']; // filter title $instance['title'] = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base ); $html = $args['before_widget'] . ( ! empty( $instance['title'] ) ? $args['before_title'] . esc_html( $instance['title'] ) . $args['after_title'] : '' ); $html .= pvc_most_viewed_posts( $instance, false ); $html .= $args['after_widget']; echo $html; } /** Render widget form. * * @param array $instance * @return void */ public function form( $instance ) { $html = ' <p> <label for="' . esc_attr( $this->get_field_id( 'title' ) ) . '">' . esc_html__( 'Title', 'post-views-counter' ) . ':</label> <input id="' . esc_attr( $this->get_field_id( 'title' ) ) . '" class="widefat" name="' . esc_attr( $this->get_field_name( 'title' ) ) . '" type="text" value="' . esc_attr( isset( $instance['title'] ) ? $instance['title'] : $this->pvc_defaults['title'] ) . '" /> </p> <p> <label>' . esc_html__( 'Post Types', 'post-views-counter' ) . ':</label><br />'; // post types foreach ( Post_Views_Counter()->functions->get_post_types() as $post_type => $post_type_name ) { $html .= ' <input id="' . esc_attr( $this->get_field_id( 'post_type' ) . '-' . $post_type ) . '" type="checkbox" name="' . esc_attr( $this->get_field_name( 'post_type' ) ) . '[]" value="' . esc_attr( $post_type ) . '" ' . checked( ( ! isset( $instance['post_type'] ) ? true : in_array( $post_type, $instance['post_type'], true ) ), true, false ) . '><label for="' . esc_attr( $this->get_field_id( 'post_type' ) . '-' . $post_type ) . '">' . esc_html( $post_type_name ) . '</label>'; } $html .= ' </p> <p> <label for="' . esc_attr( $this->get_field_id( 'period' ) ) . '">' . esc_html__( 'Views Period', 'post-views-counter' ) . ':</label> <select id="' . esc_attr( $this->get_field_id( 'period' ) ) . '" name="' . esc_attr( $this->get_field_name( 'period' ) ) . '">'; // periods foreach ( $this->pvc_periods as $period => $label ) { $html .= ' <option value="' . esc_attr( $period ) . '" ' . selected( $period, ( isset( $instance['period'] ) ? $instance['period'] : $this->pvc_defaults['period'] ), false ) . '>' . esc_html( $label ) . '</option>'; } $show_post_thumbnail = isset( $instance['show_post_thumbnail'] ) ? $instance['show_post_thumbnail'] : $this->pvc_defaults['show_post_thumbnail']; $html .= ' </select> </p> <p> <label for="' . esc_attr( $this->get_field_id( 'number_of_posts' ) ) . '">' . esc_html__( 'Number of posts to show', 'post-views-counter' ) . ':</label> <input id="' . esc_attr( $this->get_field_id( 'number_of_posts' ) ) . '" name="' . esc_attr( $this->get_field_name( 'number_of_posts' ) ) . '" type="number" size="3" min="0" max="100" value="' . esc_attr( isset( $instance['number_of_posts'] ) ? $instance['number_of_posts'] : $this->pvc_defaults['number_of_posts'] ) . '" /> </p> <p> <label for="' . esc_attr( $this->get_field_id( 'no_posts_message' ) ) . '">' . esc_html__( 'No posts message', 'post-views-counter' ) . ':</label> <input id="' . esc_attr( $this->get_field_id( 'no_posts_message' ) ) . '" class="widefat" type="text" name="' . esc_attr( $this->get_field_name( 'no_posts_message' ) ) . '" value="' . esc_attr( isset( $instance['no_posts_message'] ) ? $instance['no_posts_message'] : $this->pvc_defaults['no_posts_message'] ) . '" /> </p> <p> <label for="' . esc_attr( $this->get_field_id( 'order' ) ) . '">' . esc_html__( 'Order', 'post-views-counter' ) . ':</label> <select id="' . esc_attr( $this->get_field_id( 'order' ) ) . '" name="' . esc_attr( $this->get_field_name( 'order' ) ) . '">'; // order types foreach ( $this->pvc_order_types as $id => $order ) { $html .= ' <option value="' . esc_attr( $id ) . '" ' . selected( $id, ( isset( $instance['order'] ) ? $instance['order'] : $this->pvc_defaults['order'] ), false ) . '>' . esc_html( $order ) . '</option>'; } $html .= ' </select> </p> <p> <label for="' . esc_attr( $this->get_field_id( 'list_type' ) ) . '">' . esc_html__( 'Display Style', 'post-views-counter' ) . ':</label> <select id="' . esc_attr( $this->get_field_id( 'list_type' ) ) . '" name="' . esc_attr( $this->get_field_name( 'list_type' ) ) . '">'; // list types foreach ( $this->pvc_list_types as $id => $list_type ) { $html .= ' <option value="' . esc_attr( $id ) . '" ' . selected( $id, ( isset( $instance['list_type'] ) ? $instance['list_type'] : $this->pvc_defaults['list_type'] ), false ) . '>' . esc_html( $list_type ) . '</option>'; } $html .= ' </select> </p> <p> <input id="' . esc_attr( $this->get_field_id( 'show_post_views' ) ) . '" type="checkbox" name="' . esc_attr( $this->get_field_name( 'show_post_views' ) ) . '" value="show_post_views" ' . checked( true, ( isset( $instance['show_post_views'] ) ? $instance['show_post_views'] : $this->pvc_defaults['show_post_views'] ), false ) . ' /> <label for="' . esc_attr( $this->get_field_id( 'show_post_views' ) ) . '">' . esc_html__( 'Display post views?', 'post-views-counter' ) . '</label> <br /> <input id="' . esc_attr( $this->get_field_id( 'show_post_excerpt' ) ) . '" type="checkbox" name="' . esc_attr( $this->get_field_name( 'show_post_excerpt' ) ) . '" value="show_post_excerpt" ' . checked( true, ( isset( $instance['show_post_excerpt'] ) ? $instance['show_post_excerpt'] : $this->pvc_defaults['show_post_excerpt'] ), false ) . ' /> <label for="' . esc_attr( $this->get_field_id( 'show_post_excerpt' ) ) . '">' . esc_html__( 'Display post excerpt?', 'post-views-counter' ) . '</label> <br /> <input id="' . esc_attr( $this->get_field_id( 'show_post_author' ) ) . '" type="checkbox" name="' . esc_attr( $this->get_field_name( 'show_post_author' ) ) . '" value="show_post_author" ' . checked( true, ( isset( $instance['show_post_author'] ) ? $instance['show_post_author'] : $this->pvc_defaults['show_post_author'] ), false ) . ' /> <label for="' . esc_attr( $this->get_field_id( 'show_post_author' ) ) . '">' . esc_html__( 'Display post author?', 'post-views-counter' ) . '</label> <br /> <input id="' . esc_attr( $this->get_field_id( 'show_post_thumbnail' ) ) . '" class="pvc-show-post-thumbnail" type="checkbox" name="' . esc_attr( $this->get_field_name( 'show_post_thumbnail' ) ) . '" value="show_post_thumbnail" ' . checked( true, $show_post_thumbnail, false ) . ' /> <label for="' . esc_attr( $this->get_field_id( 'show_post_thumbnail' ) ) . '">' . esc_html__( 'Display post thumbnail?', 'post-views-counter' ) . '</label> </p> <p class="pvc-post-thumbnail-size"' . ( $show_post_thumbnail ? '' : ' style="display: none;"' ) . '> <label for="' . esc_attr( $this->get_field_id( 'thumbnail_size' ) ) . '">' . esc_html__( 'Thumbnail size', 'post-views-counter' ) . ':</label> <select id="' . esc_attr( $this->get_field_id( 'thumbnail_size' ) ) . '" name="' . esc_attr( $this->get_field_name( 'thumbnail_size' ) ) . '">'; $size_type = isset( $instance['thumbnail_size'] ) ? $instance['thumbnail_size'] : $this->pvc_defaults['thumbnail_size']; // image sizes foreach ( $this->pvc_image_sizes as $size ) { $html .= ' <option value="' . esc_attr( $size ) . '" ' . selected( $size, $size_type, false ) . '>' . esc_html( $size ) . '</option>'; } $html .= ' </select> </p>'; echo $html; } /** * Save widget form. * * @param array $new_instance * @param array $old_instance * @return array */ public function update( $new_instance, $old_instance ) { // number of posts $old_instance['number_of_posts'] = (int) (isset( $new_instance['number_of_posts'] ) ? $new_instance['number_of_posts'] : $this->pvc_defaults['number_of_posts']); // order $old_instance['order'] = isset( $new_instance['order'] ) && in_array( $new_instance['order'], array_keys( $this->pvc_order_types ), true ) ? $new_instance['order'] : $this->pvc_defaults['order']; // period $old_instance['period'] = isset( $new_instance['period'] ) && in_array( $new_instance['period'], array_keys( $this->pvc_periods ), true ) ? $new_instance['period'] : $this->pvc_defaults['period']; // list type $old_instance['list_type'] = isset( $new_instance['list_type'] ) && in_array( $new_instance['list_type'], array_keys( $this->pvc_list_types ), true ) ? $new_instance['list_type'] : $this->pvc_defaults['list_type']; // thumbnail size $old_instance['thumbnail_size'] = isset( $new_instance['thumbnail_size'] ) && in_array( $new_instance['thumbnail_size'], $this->pvc_image_sizes, true ) ? $new_instance['thumbnail_size'] : $this->pvc_defaults['thumbnail_size']; // booleans $old_instance['show_post_views'] = ! empty( $new_instance['show_post_views'] ); $old_instance['show_post_thumbnail'] = ! empty( $new_instance['show_post_thumbnail'] ); $old_instance['show_post_excerpt'] = ! empty( $new_instance['show_post_excerpt'] ); $old_instance['show_post_author'] = ! empty( $new_instance['show_post_author'] ); // texts $old_instance['title'] = sanitize_text_field( isset( $new_instance['title'] ) ? $new_instance['title'] : $this->pvc_defaults['title'] ); $old_instance['no_posts_message'] = sanitize_text_field( isset( $new_instance['no_posts_message'] ) ? $new_instance['no_posts_message'] : $this->pvc_defaults['no_posts_message'] ); // post types if ( isset( $new_instance['post_type'] ) ) { $post_types = []; // get post types $_post_types = Post_Views_Counter()->functions->get_post_types(); foreach ( $new_instance['post_type'] as $post_type ) { if ( isset( $_post_types[$post_type] ) ) $post_types[] = $post_type; } $old_instance['post_type'] = array_unique( $post_types ); } else $old_instance['post_type'] = [ 'post' ]; return $old_instance; } }