<?php
/**
 * Widget Muffin Tag Cloud
 *
 * @package Betheme
 * @author Muffin group
 * @link http://muffingroup.com
 */

class Mfn_Tag_Cloud_Widget extends WP_Widget {

	
	/* ---------------------------------------------------------------------------
	 * Constructor
	 * --------------------------------------------------------------------------- */
	function __construct(){
		
		$widget_ops = array( 'classname' => 'widget_mfn_tag_cloud', 'description' => __( 'Your most used tags in cloud format .', 'mfn-opts' ) );
		
		parent::__construct( 'widget_mfn_tag_cloud', __( 'Muffin Tag Cloud', 'mfn-opts' ), $widget_ops );
		
		$this->alt_option_name = 'widget_mfn_tag_cloud';
	}
	
	
	/* ---------------------------------------------------------------------------
	 * Outputs the HTML for this widget.
	 * --------------------------------------------------------------------------- */
	function widget( $args, $instance ) {

		if ( ! isset( $args['widget_id'] ) ) $args['widget_id'] = null;
		extract( $args, EXTR_SKIP );

		echo $before_widget;
		
		$title = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base);
		if( $title ) echo $before_title . $title . $after_title;
		
		echo '<div class="Tags">';
		
			$args = array(
			    'number'                    => $instance['count'],  
			    'orderby'                   => $instance['orderby'], 
			    'order'                     => $instance['order'],
			    'taxonomy'                  => $instance['taxonomy']
			 );
			 $tags = get_terms( $args['taxonomy'], $args );
			 
			 if( $tags ){
			 	echo '<ul class="wp-tag-cloud">';
			 		foreach ( $tags as $tag ){
			 			echo '<li><a href="'. get_term_link( intval($tag->term_id), $tag->taxonomy ) .'"><span>'. $tag->name .'</span></a></li>';
			 		}
			 	echo '</ul>';
			 }
		
		echo '</div>';

		echo $after_widget;
	}


	/* ---------------------------------------------------------------------------
	 * Deals with the settings when they are saved by the admin.
	 * --------------------------------------------------------------------------- */
	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		
		$instance['title'] = strip_tags( $new_instance['title'] );
		$instance['count'] = (int) $new_instance['count'];
		$instance['taxonomy'] = strip_tags( $new_instance['taxonomy'] );
		$instance['orderby'] = strip_tags( $new_instance['orderby'] );
		$instance['order'] = strip_tags( $new_instance['order'] );
		
		return $instance;
	}

	
	/* ---------------------------------------------------------------------------
	 * Displays the form for this widget on the Widgets page of the WP Admin area.
	 * --------------------------------------------------------------------------- */
	function form( $instance ) {
		
		$title = isset( $instance['title']) ? esc_attr( $instance['title'] ) : '';
		$count = isset( $instance['count'] ) ? absint( $instance['count'] ) : 10;
		$taxonomy = isset( $instance['taxonomy']) ? esc_attr( $instance['taxonomy'] ) : 'post_tag';
		$orderby = isset( $instance['orderby']) ? esc_attr( $instance['orderby'] ) : 'name';
		$order = isset( $instance['order']) ? esc_attr( $instance['order'] ) : 'ASC';

		?>
			<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'mfn-opts' ); ?></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>
				<label for="<?php echo esc_attr( $this->get_field_id( 'count' ) ); ?>"><?php _e( 'Number of tags:', 'mfn-opts' ); ?></label>
				<input id="<?php echo esc_attr( $this->get_field_id( 'count' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'count' ) ); ?>" type="text" value="<?php echo esc_attr( $count ); ?>" size="3"/>
				[1-45]
			</p>
			
			<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'taxonomy' ) ); ?>"><?php _e( 'Taxonomy:', 'mfn-opts' ); ?></label>
				<select id="<?php echo esc_attr( $this->get_field_id( 'taxonomy' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'taxonomy' ) ); ?>" class="widefat">
					<option value="category" <?php if( $taxonomy=='category' ) echo 'selected="selected"'; ?>>Categories</option>
					<option value="post_tag" <?php if( $taxonomy=='post_tag' ) echo 'selected="selected"'; ?>>Tags</option>
					<option value="portfolio-types" <?php if( $taxonomy=='portfolio-types' ) echo 'selected="selected"'; ?>>Portfolio categories</option>
				</select>
			</p>
			
			<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'orderby' ) ); ?>"><?php _e( 'Order by:', 'mfn-opts' ); ?></label>
				<select id="<?php echo esc_attr( $this->get_field_id( 'orderby' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'orderby' ) ); ?>" class="widefat">
					<option value="count" <?php if( $orderby=='count' ) echo 'selected="selected"'; ?>>Count</option>
					<option value="name" <?php if( $orderby=='name' ) echo 'selected="selected"'; ?>>Name</option>
				</select>
			</p>
			
			<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'order' ) ); ?>"><?php _e( 'Order:', 'mfn-opts' ); ?></label>
				<select id="<?php echo esc_attr( $this->get_field_id( 'order' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'order' ) ); ?>" class="widefat">
					<option value="ASC" <?php selected( $order, 'ASC' ); ?>>Ascending</option>
					<option value="DESC" <?php selected( $order, 'DESC' ); ?>>Descending</option>
				</select>
			</p>
			
		<?php
	}
}
