<?php

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/*-----------------------------------------------------------------------------------*/

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/* Author Widget Class

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/*-----------------------------------------------------------------------------------*/

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class MKS_Author_Widget extends WP_Widget {

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private $users_split_at = 200; //Do not run get_users() if there are more than 200 users on the website

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public $defaults;

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function __construct() {

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$widget_ops = array(

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'classname' => 'mks_author_widget',

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'description' => __('Use this widget to display author/user profile info', 'meks-smart-author-widget'),

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'customize_selective_refresh' => true,

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'show_instance_in_rest' => true,

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);

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$control_ops = array( 'id_base' => 'mks_author_widget' );

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parent::__construct( 'mks_author_widget', __('Meks Smart Author', 'meks-smart-author-widget'), $widget_ops, $control_ops );

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add_action( 'wp_enqueue_scripts', array($this,'enqueue_styles'));

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add_action( 'admin_enqueue_scripts', array($this,'enqueue_styles'));

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//Allow themes or plugins to modify default parameters

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$defaults = apply_filters('mks_author_widget_modify_defaults',array(

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'title' => __('About Author', 'meks-smart-author-widget'),

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'author' => 0,

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'auto_detect' => 0,

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'display_name' => 1,

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'display_avatar' => 1,

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'display_desc' => 1,

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'display_all_posts' => 1,

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'avatar_size' => 64,

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'name_to_title' => 0,

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'link_to_name' => 0,

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'link_to_avatar' => 0,

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'link_text' => __('View all posts', 'meks-smart-author-widget'),

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'link_url' => '',

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'limit_chars' => ''

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));

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$this->defaults = $defaults;

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}

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function enqueue_styles(){

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wp_register_style( 'meks-author-widget', MKS_AUTHOR_WIDGET_URL.'css/style.css', false, MKS_AUTHOR_WIDGET_VER );

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wp_enqueue_style( 'meks-author-widget' );

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}

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function widget( $args, $instance ) {

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extract( $args );

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$instance = wp_parse_args( (array) $instance, $this->defaults );

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if ( is_single() && $this->is_co_authors_active() && $instance['auto_detect'] ) {

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include( $this->meks_get_template('meks-smart-author-widget-co-authors-template.php') );

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} else {

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include( $this->meks_get_template('meks-smart-author-widget-template.php') );

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}

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}

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function update( $new_instance, $old_instance ) {

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$instance = $old_instance;

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$instance['title'] = strip_tags( $new_instance['title'] );

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$instance['author'] = absint( $new_instance['author'] );

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$instance['auto_detect'] = !empty($new_instance['auto_detect']) ? 1 : 0;

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$instance['display_name'] = !empty($new_instance['display_name']) ? 1 : 0;

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$instance['display_avatar'] = !empty($new_instance['display_avatar']) ? 1 : 0;

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$instance['display_desc'] = !empty($new_instance['display_desc']) ? 1 : 0;

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$instance['display_all_posts'] = !empty($new_instance['display_all_posts']) ? 1 : 0;

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$instance['name_to_title'] = !empty($new_instance['name_to_title']) ? 1 : 0;

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$instance['link_to_name'] = !empty($new_instance['link_to_name']) ? 1 : 0;

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$instance['link_to_avatar'] = !empty($new_instance['link_to_avatar']) ? 1 : 0;

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$instance['link_text'] = strip_tags( $new_instance['link_text'] );

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$instance['link_url'] = !empty( $new_instance['link_url'] ) ? esc_url($new_instance['link_url']) : '';

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$instance['avatar_size'] = !empty($new_instance['avatar_size']) ? absint($new_instance['avatar_size']) : 64;

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$instance['limit_chars'] = !empty( $new_instance['limit_chars'] ) ? absint($new_instance['limit_chars']) : '';

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return $instance;

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}

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function form( $instance ) {

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$instance = wp_parse_args( (array) $instance, $this->defaults );?>

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<p>

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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e('Title', 'meks-smart-author-widget'); ?>:</label>

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<input id="<?php echo $this->get_field_id( 'title' ); ?>" type="text" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>" class="widefat" />

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</p>

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<p>

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<?php if( $this->count_users() <= $this->users_split_at ) : ?>

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<?php $authors = get_users(); ?>

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<label for="<?php echo $this->get_field_id( 'author' ); ?>"><?php _e('Choose author/user', 'meks-smart-author-widget'); ?>:</label>

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<select name="<?php echo $this->get_field_name( 'author' ); ?>" id="<?php echo $this->get_field_id( 'author' ); ?>" class="widefat">

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<?php foreach($authors as $author) : ?>

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<option value="<?php echo $author->ID; ?>" <?php selected($author->ID, $instance['author']); ?>><?php echo $author->data->user_login; ?></option>

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<?php endforeach; ?>

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</select>

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<?php else: ?>

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<label for="<?php echo $this->get_field_id( 'author' ); ?>"><?php _e('Enter author/user ID', 'meks-smart-author-widget'); ?>:</label>

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<input id="<?php echo $this->get_field_id( 'author' ); ?>" type="text" name="<?php echo $this->get_field_name( 'author' ); ?>" value="<?php echo $instance['author']; ?>" class="small-text" />

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<?php endif; ?>

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</p>

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<p>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'auto_detect' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'auto_detect' ); ?>" <?php checked(1, $instance['auto_detect']); ?>/>

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<label for="<?php echo $this->get_field_id( 'auto_detect' ); ?>"><?php _e('Automatically detect author', 'meks-smart-author-widget'); ?></label>

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<small class="howto"><?php _e('Use this option to automatically detect author if this sidebar is used on single post template or author template', 'meks-smart-author-widget'); ?></small>

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</p>

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<h4><?php _e('Display Options', 'meks-smart-author-widget'); ?></h4>

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<ul>

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<li>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'display_avatar' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_avatar' ); ?>" <?php checked(1, $instance['display_avatar']); ?>/>

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<label for="<?php echo $this->get_field_id( 'display_avatar' ); ?>"><?php _e('Display author avatar', 'meks-smart-author-widget'); ?></label>

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</li>

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<li class="meks-avatar-size-field">

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<label for="<?php echo $this->get_field_id( 'avatar_size' ); ?>"><?php _e('Avatar size:', 'meks-smart-author-widget'); ?></label>

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<input class="widefat" id="<?php echo $this->get_field_id( 'avatar_size' ); ?>" type="text" name="<?php echo $this->get_field_name( 'avatar_size' ); ?>" value="<?php echo $instance['avatar_size']; ?>" class="small-text"/>

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<small class="howto"><?php _e('Avatar size in pixels', 'meks-smart-author-widget'); ?></small>

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</li>

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</ul>

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<ul>

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<li>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'display_name' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_name' ); ?>" <?php checked(1, $instance['display_name']); ?>/>

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<label for="<?php echo $this->get_field_id( 'display_name' ); ?>"><?php _e('Display author name', 'meks-smart-author-widget'); ?></label>

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</li>

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<li>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'name_to_title' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'name_to_title' ); ?>" <?php checked(1, $instance['name_to_title']); ?>/>

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<label for="<?php echo $this->get_field_id( 'name_to_title' ); ?>"><?php _e('Overwrite widget title with author name', 'meks-smart-author-widget'); ?></label>

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</li>

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</ul>

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<ul>

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<li>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'display_desc' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_desc' ); ?>" <?php checked(1, $instance['display_desc']); ?>/>

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<label for="<?php echo $this->get_field_id( 'display_desc' ); ?>"><?php _e('Display author description', 'meks-smart-author-widget'); ?></label>

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</li>

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<li>

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<label for="<?php echo $this->get_field_id( 'limit_chars' ); ?>"><?php _e('Limit description:', 'meks-smart-author-widget'); ?></label>

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<input id="<?php echo $this->get_field_id( 'limit_chars' ); ?>" type="number" name="<?php echo $this->get_field_name( 'limit_chars' ); ?>" value="<?php echo $instance['limit_chars']; ?>" class="widefat" />

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<small class="howto"><?php _e('Specify number of characters to limit author description length', 'meks-smart-author-widget'); ?></small>

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</li>

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</ul>

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<ul>

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<li>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'link_to_name' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'link_to_name' ); ?>" <?php checked(1, $instance['link_to_name']); ?>/>

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<label for="<?php echo $this->get_field_id( 'link_to_name' ); ?>"><?php _e('Link author name', 'meks-smart-author-widget'); ?></label>

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</li>

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<li>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'link_to_avatar' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'link_to_avatar' ); ?>" <?php checked(1, $instance['link_to_avatar']); ?>/>

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<label for="<?php echo $this->get_field_id( 'link_to_avatar' ); ?>"><?php _e('Link author avatar', 'meks-smart-author-widget'); ?></label>

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</li>

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<li>

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<input class="checkbox" id="<?php echo $this->get_field_id( 'display_all_posts' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_all_posts' ); ?>" <?php checked(1, $instance['display_all_posts']); ?>/>

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<label for="<?php echo $this->get_field_id( 'display_all_posts' ); ?>"><?php _e('Display author "all posts" archive link', 'meks-smart-author-widget'); ?></label>

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</li>

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<li>

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<label for="<?php echo $this->get_field_id( 'link_text' ); ?>"><?php _e('Link text:', 'meks-smart-author-widget'); ?></label>

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<input id="<?php echo $this->get_field_id( 'link_text' ); ?>" type="text" name="<?php echo $this->get_field_name( 'link_text' ); ?>" value="<?php echo $instance['link_text']; ?>" class="widefat"/>

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<small class="howto"><?php _e('Specify text for "all posts" link if you want to show separate link', 'meks-smart-author-widget'); ?></small>

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</li>

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<li>

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<label for="<?php echo $this->get_field_id( 'link_url' ); ?>"><?php _e('Override author link URL:', 'meks-smart-author-widget'); ?></label>

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<input id="<?php echo $this->get_field_id( 'link_url' ); ?>" type="text" name="<?php echo $this->get_field_name( 'link_url' ); ?>" value="<?php echo $instance['link_url']; ?>" class="widefat"/>

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<small class="howto"><?php _e('Specify custom URL if you want to override default author archive link', 'meks-smart-author-widget'); ?></small>

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</li>

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</ul>

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<?php do_action('mks_author_widget_add_opts',$this,$instance);?>

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<?php

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}

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/* Check total number of users on the website */

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function count_users(){

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$user_count = count_users();

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if(isset($user_count['total_users']) && !empty($user_count['total_users'])){

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return $user_count['total_users'];

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}

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return 0;

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}

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private function meks_get_template($template)

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{

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$template_slug = rtrim($template, '.php');

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$template = $template_slug . '.php';

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if ($theme_file = locate_template(array('/sections/widgets/'.$template)) ) :

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$file = $theme_file;

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else :

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$file = $template;

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endif;

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return $file;

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}

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/**

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* Support for Co-Authors Plus Plugin

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* Check if plugin is active

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*/

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public function is_co_authors_active() {

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if ( in_array( 'co-authors-plus/co-authors-plus.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {

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return true;

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}

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return false;

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}

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/**

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* Limit character description

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*

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* @param string $string Content to trim

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* @param int $limit Number of characters to limit

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* @param string $more Chars to append after trimmed string

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* @return string Trimmed part of the string

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*/

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public function trim_chars( $string, $limit, $more = '...' ) {

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if ( !empty( $limit ) ) {

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$text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $string ), ' ' );

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preg_match_all( '/./u', $text, $chars );

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$chars = $chars[0];

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$count = count( $chars );

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if ( $count > $limit ) {

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$chars = array_slice( $chars, 0, $limit );

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for ( $i = ( $limit -1 ); $i >= 0; $i-- ) {

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if ( in_array( $chars[$i], array( '.', ' ', '-', '?', '!' ) ) ) {

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break;

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}

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}

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$chars = array_slice( $chars, 0, $i );

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$string = implode( '', $chars );

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$string = rtrim( $string, ".,-?!" );

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$string.= $more;

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}

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}

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return $string;

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}

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}

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?>

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