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✏️ Editing: class-author-widget.php

<?php
/*-----------------------------------------------------------------------------------*/
/*	Author Widget Class
/*-----------------------------------------------------------------------------------*/

class MKS_Author_Widget extends WP_Widget { 
  
  private $users_split_at = 200; //Do not run get_users() if there are more than 200 users on the website
  var $defaults;
	
	function __construct() {
		$widget_ops = array( 'classname' => 'mks_author_widget', 'description' => __('Use this widget to display author/user profile info', 'meks-smart-author-widget') );
		$control_ops = array( 'id_base' => 'mks_author_widget' );
		parent::__construct( 'mks_author_widget', __('Meks Smart Author', 'meks-smart-author-widget'), $widget_ops, $control_ops );
		
		if(!is_admin()){
		  add_action( 'wp_enqueue_scripts', array($this,'enqueue_styles'));
		}

//Allow themes or plugins to modify default parameters
		$defaults = apply_filters('mks_author_widget_modify_defaults',array( 
				'title' => __('About Author', 'meks-smart-author-widget'),
				'author' => 0,
				'auto_detect' => 0,
				'display_name' => 1,
				'display_avatar' => 1,
				'display_desc' => 1,
				'display_all_posts' => 1,
				'avatar_size' => 64,
				'name_to_title' => 0,
				'link_to_name' => 0,
				'link_to_avatar' => 0,
				'link_text' => __('View all posts', 'meks-smart-author-widget'),
				'link_url' => '',
				'limit_chars' => ''
			));

$this->defaults = $defaults;
		
	}

function enqueue_styles(){
 		wp_register_style( 'meks-author-widget', MKS_AUTHOR_WIDGET_URL.'css/style.css', false, MKS_AUTHOR_WIDGET_VER );
    	wp_enqueue_style( 'meks-author-widget' );
 	}

function widget( $args, $instance ) {
		
		extract( $args );

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

if ( is_single() && $this->is_co_authors_active() && $instance['auto_detect'] ) {
			include( $this->meks_get_template('meks-smart-author-widget-co-authors-template.php') );
		} else {
			include( $this->meks_get_template('meks-smart-author-widget-template.php') );
		}

}
	
	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags( $new_instance['title'] );
		$instance['author'] = absint( $new_instance['author'] );
		$instance['auto_detect'] = isset($new_instance['auto_detect']) ? 1 : 0;
		$instance['display_name'] = isset($new_instance['display_name']) ? 1 : 0;
		$instance['display_avatar'] = isset($new_instance['display_avatar']) ? 1 : 0;
		$instance['display_desc'] = isset($new_instance['display_desc']) ? 1 : 0;
		$instance['display_all_posts'] = isset($new_instance['display_all_posts']) ? 1 : 0;
		$instance['name_to_title'] = isset($new_instance['name_to_title']) ? 1 : 0;
		$instance['link_to_name'] = isset($new_instance['link_to_name']) ? 1 : 0;
		$instance['link_to_avatar'] = isset($new_instance['link_to_avatar']) ? 1 : 0;
		$instance['link_text'] = strip_tags( $new_instance['link_text'] );
		$instance['link_url'] = !empty( $new_instance['link_url'] ) ? esc_url($new_instance['link_url']) : '';
		$instance['avatar_size'] = !empty($new_instance['avatar_size']) ? absint($new_instance['avatar_size']) : 64;
		$instance['limit_chars'] = isset( $new_instance['limit_chars'] ) ? absint($new_instance['limit_chars']) : '';

return $instance;
	}

function form( $instance ) {

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

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

<p>
			
			<?php if( $this->count_users() <= $this->users_split_at ) : ?>
			
			<?php $authors = get_users(); ?>
			<label for="<?php echo $this->get_field_id( 'author' ); ?>"><?php _e('Choose author/user', 'meks-smart-author-widget'); ?>:</label>
			<select name="<?php echo $this->get_field_name( 'author' ); ?>" id="<?php echo $this->get_field_id( 'author' ); ?>" class="widefat">
			<?php foreach($authors as $author) : ?>
				<option value="<?php echo $author->ID; ?>" <?php selected($author->ID, $instance['author']); ?>><?php echo $author->data->user_login; ?></option>
			<?php endforeach; ?>
			</select>
			
			<?php else: ?>
			
			<label for="<?php echo $this->get_field_id( 'author' ); ?>"><?php _e('Enter author/user ID', 'meks-smart-author-widget'); ?>:</label>
			<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" />
			
			<?php endif; ?>
			
		</p>

<p>
		  	<input id="<?php echo $this->get_field_id( 'auto_detect' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'auto_detect' ); ?>" value="1" <?php checked(1, $instance['auto_detect']); ?>/>
		  	<label for="<?php echo $this->get_field_id( 'auto_detect' ); ?>"><?php _e('Automatically detect author', 'meks-smart-author-widget'); ?></label>
		  	<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>
		</p>
		<h4><?php _e('Display Options', 'meks-smart-author-widget'); ?></h4>
		<ul>
			<li>
				<input id="<?php echo $this->get_field_id( 'display_avatar' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_avatar' ); ?>" value="1" <?php checked(1, $instance['display_avatar']); ?>/>
				<label for="<?php echo $this->get_field_id( 'display_avatar' ); ?>"><?php _e('Display author avatar', 'meks-smart-author-widget'); ?></label>
			</li>
			<li>
				<label for="<?php echo $this->get_field_id( 'avatar_size' ); ?>"><?php _e('Avatar size:', 'meks-smart-author-widget'); ?></label>
				<input 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"/> px
			</li>
		</ul>
		<hr/>
		<ul>
			<li>
				<input id="<?php echo $this->get_field_id( 'display_name' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_name' ); ?>" value="1" <?php checked(1, $instance['display_name']); ?>/>
				<label for="<?php echo $this->get_field_id( 'display_name' ); ?>"><?php _e('Display author name', 'meks-smart-author-widget'); ?></label>
			</li>
			<li>
				<input id="<?php echo $this->get_field_id( 'name_to_title' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'name_to_title' ); ?>" value="1" <?php checked(1, $instance['name_to_title']); ?>/>
				<label for="<?php echo $this->get_field_id( 'name_to_title' ); ?>"><?php _e('Overwrite widget title with author name', 'meks-smart-author-widget'); ?></label>
			</li>
		</ul>
		<hr/>
		<ul>
			<li>
				<input id="<?php echo $this->get_field_id( 'display_desc' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_desc' ); ?>" value="1" <?php checked(1, $instance['display_desc']); ?>/>
				<label for="<?php echo $this->get_field_id( 'display_desc' ); ?>"><?php _e('Display author description', 'meks-smart-author-widget'); ?></label>
			</li>
			<li>
				<label for="<?php echo $this->get_field_id( 'limit_chars' ); ?>"><?php _e('Limit description:', 'meks-smart-author-widget'); ?></label>
				<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" />
				<small class="howto"><?php _e('Specify number of characters to limit author description length', 'meks-smart-author-widget'); ?></small>
			</li>
		</ul>
		<hr/>
		<ul>
			<li>
				<input id="<?php echo $this->get_field_id( 'link_to_name' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'link_to_name' ); ?>" value="1" <?php checked(1, $instance['link_to_name']); ?>/>
				<label for="<?php echo $this->get_field_id( 'link_to_name' ); ?>"><?php _e('Link author name', 'meks-smart-author-widget'); ?></label>
			</li>
			<li>
				<input id="<?php echo $this->get_field_id( 'link_to_avatar' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'link_to_avatar' ); ?>" value="1" <?php checked(1, $instance['link_to_avatar']); ?>/>
				<label for="<?php echo $this->get_field_id( 'link_to_avatar' ); ?>"><?php _e('Link author avatar', 'meks-smart-author-widget'); ?></label>
			</li>
			<li>
				<input id="<?php echo $this->get_field_id( 'display_all_posts' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'display_all_posts' ); ?>" value="1" <?php checked(1, $instance['display_all_posts']); ?>/>
				<label for="<?php echo $this->get_field_id( 'display_all_posts' ); ?>"><?php _e('Display author "all posts" archive link', 'meks-smart-author-widget'); ?></label>
			</li>
			<li>
				<label for="<?php echo $this->get_field_id( 'link_text' ); ?>"><?php _e('Link text:', 'meks-smart-author-widget'); ?></label>
				<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"/>
				<small class="howto"><?php _e('Specify text for "all posts" link if you want to show separate link', 'meks-smart-author-widget'); ?></small>
			</li>
			<li>
				<label for="<?php echo $this->get_field_id( 'link_url' ); ?>"><?php _e('Override author link URL:', 'meks-smart-author-widget'); ?></label>
				<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"/>
				<small class="howto"><?php _e('Specify custom URL if you want to override default author archive link', 'meks-smart-author-widget'); ?></small>
			</li>
		</ul>

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

<?php
		
	}
	
	/* Check total number of users on the website */
	function count_users(){
		$user_count = count_users();
		if(isset($user_count['total_users']) && !empty($user_count['total_users'])){
			return $user_count['total_users'];
		}
		return 0;
	}

private function meks_get_template($template)
	{
		$template_slug = rtrim($template, '.php');
		$template = $template_slug . '.php';

if ($theme_file = locate_template(array('/sections/widgets/'.$template)) ) :
			$file = $theme_file;
		else :
			$file = $template;
		endif;

return $file;
	}

/**
	 * Support for Co-Authors Plus Plugin
	 * Check if plugin is active
	*/
	public	function is_co_authors_active() {

if ( in_array( 'co-authors-plus/co-authors-plus.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
			return true;
		}
		return false;
	}

/**
	 * Limit character description
	 * 
	 * @param string  $string Content to trim
	 * @param int     $limit  Number of characters to limit
	 * @param string  $more   Chars to append after trimmed string
	 * @return string Trimmed part of the string
	*/
	public function trim_chars( $string, $limit, $more = '...' ) {

if ( !empty( $limit ) ) {

$text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $string ), ' ' );
			preg_match_all( '/./u', $text, $chars );
			$chars = $chars[0];
			$count = count( $chars );

if ( $count > $limit ) {

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

for ( $i = ( $limit -1 ); $i >= 0; $i-- ) {
					if ( in_array( $chars[$i], array( '.', ' ', '-', '?', '!' ) ) ) {
						break;
					}
				}

$chars =  array_slice( $chars, 0, $i );
				$string = implode( '', $chars );
				$string = rtrim( $string, ".,-?!" );
				$string.= $more;
			}

}

return $string;
	}
	
}

MR SKB