<?php   

/* 
Plugin Name: Thumbnails
Description: Thumbnails widget 
Version: 1.0 
Author: Stefan Naumovski 
*/    

add_action( 'widgets_init', 'thumbnails_widget' );

function thumbnails_widget() {register_widget( 'thumbnails_widget_tn' );}

class thumbnails_widget_tn extends WP_Widget {
	
	/* Register widget with WordPress. */
	
	function __construct() {
		parent::__construct(
			'thumbnails_tn', // Widget ID
			'Thumbnails', // Name
			array( 'description' => 'Thumbnails - display a featured category in one column with images.', ) // Args
			);}
		
		/* Front-end display of widget. */
	public function widget( $args, $instance ) {
		$title = apply_filters( 'widget_title', $instance['title'] );
		$number = $instance['number'];
		$categories = $instance['categories'];
						
		echo $args['before_widget'];
		if ( ! empty( $title ) )
				echo $args['before_title'] . $title . $args['after_title'];
			?>

<ul class="featured-posts-category-tiny">
	<?php $tn_posts = new WP_Query(array( 'cat' => $categories, 'posts_per_page' => $number )); while ( $tn_posts->have_posts()) : $tn_posts->the_post(); ?>
		<li>
			<div class="tiny-featured-posts-image">
			<?php if (  (function_exists('has_post_thumbnail')) && (has_post_thumbnail())  ) { ?>
			<a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_post_thumbnail('tiny-thumb'); ?></a>
			<?php } ?>
			</div><!--tiny-featured-posts-image-->
			<div class="tiny-featured-posts-text">
           		<span class="post-arrow"><?php echo get_option('tn_sign_before_link'); ?></span>
				<h2><a href="<?php the_permalink() ?>" class="tiny-featured-posts-title"><?php the_title(); ?></a>
                 <span class="tiny-date">Posted <?php echo human_time_diff( get_the_time('U'), current_time('timestamp') ) . ' ago'; ?></span>
                 </h2>
			</div><!--tiny-featured-posts-text-->
		</li>
	<?php endwhile; ?>
</ul>

<?php
		/* After widget. */
		
		echo $args['after_widget'];
	}
	
		/* Widget settings. */
		
	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		
		/* Strip tags. */
		
		$instance['title'] = strip_tags( $new_instance['title'] );
		$instance['number'] = strip_tags( $new_instance['number'] );
		$instance['categories'] = $new_instance['categories'];		
		return $instance;
	}
	

	function form( $instance ) {
		
		/* Default widget settings. */
		
		$defaults = array( 'title' => 'Thumbnails', 'number' => 5);
		$instance = wp_parse_args( (array) $instance, $defaults ); ?>

		<!-- Widget Title-->
		<p>
		  <label for="<?php echo $this->get_field_id( 'title' ); ?>">Title:</label>
		  <input id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>" style="width:90%;" />
		</p>
		
		<!-- Number of posts -->
		<p>
		  <label for="<?php echo $this->get_field_id( 'number' ); ?>">Number of posts to show:</label>
		  <input id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" value="<?php echo $instance['number']; ?>" size="3" />
		</p>
		
		<!-- Category -->
		<p>
			<label for="<?php echo $this->get_field_id('categories'); ?>">(Optional)Select Category:</label>
			<select id="<?php echo $this->get_field_id('categories'); ?>" name="<?php echo $this->get_field_name('categories'); ?>" style="width:100%;">
				<option value='all' <?php if ('all' == (isset($instance['categories']))) echo 'selected="selected"'; ?>>All Categories</option>
				<?php $categories = get_categories('hide_empty=0&depth=1&type=post'); ?>
				<?php foreach($categories as $category) { ?>
				<option value='<?php echo $category->term_id; ?>' <?php if(isset($instance['categories'])){ if ($category->term_id == $instance['categories']) echo 'selected="selected"';}?>><?php echo $category->cat_name; ?></option>
				<?php } ?>
			</select>
		</p>
<?php }} ?>