Portfolio image list

portfolio.php

<?php
/**
 * Manage the portfolio feature 
 * @author etessore
 *
 */
class portfolio{
	const url_field_name = 'url';
	const customer_box_id = 'customer-box';
	const client_custom_post_name = 'clients';
	
	/**
	 * Set the portfolio up.
	 * If this was a plugin this method should be called on enable
	 */
	public function setup(){
		$this->register_custom_posts()->hook()->thumbnail_sizes();
	}
	
	/**
	 * Manages various hooks to wordpress
	 * @return $this for chainability
	 */
	public function hook(){
		add_action('admin_init', array(__CLASS__, 'add_metaboxes'));
		add_shortcode('portfolio-thumb', array(__CLASS__, 'portfolio_thumb'));
		return $this;
	}
	
	/**
	 * Manages images sizes for the portfolio
	 * @return $this for chainability
	 */
	public function thumbnail_sizes(){
		add_theme_support('post-thumbnails');
		add_image_size('portfolio-thumb-2', 140, 120, true);
		add_image_size('portfolio-thumb-3', 220, 120, true);
		add_image_size('portfolio-thumb-4', 300, 120, true);
		return $this;
	}
	
	/**
	 * Register the custom post types 
	 * needed for the porfolio.
	 * @return $this for chainability
	 */
	public function register_custom_posts(){
		register_post_type(
			'clients', array(
				'label' => 'Clients',
				'description' => '',
				'public' => true,
				'show_ui' => true,
				'show_in_menu' => true,
				'capability_type' => 'post',
				'hierarchical' => false,
				'rewrite' => array('slug' => ''),
				'query_var' => true,
				'supports' => array(
					'title',
					'editor',
					'excerpt',
					'trackbacks',
					'custom-fields',
					'comments',
					'revisions',
					'thumbnail',
					'author',
					'page-attributes',
				),
				'labels' => array (
					'name' => 'Clients',
					'singular_name' => 'Client',
					'menu_name' => 'Clients',
					'add_new' => 'Add Client',
					'add_new_item' => 'Add New Client',
					'edit' => 'Edit',
					'edit_item' => 'Edit Client',
					'new_item' => 'New Client',
					'view' => 'View Client',
					'view_item' => 'View Client',
					'search_items' => 'Search Clients',
					'not_found' => 'No Clients Found',
					'not_found_in_trash' => 'No Clients Found in Trash',
					'parent' => 'Parent Client',
				)
			)
		);
		
		
		return $this;
	}
	
	/**
	 * Adds the needed metaboxed for the porfolio posts
	 */
	public function add_metaboxes(){
		add_meta_box(
			self::customer_box_id,
			__('Customer Details'),
			array(__CLASS__, 'url_metabox'),
			self::client_custom_post_name,
			'normal',
			'high'
		);
	}
	
	/**
	 * Url metabox manager
	 */
	public function url_metabox(){
		global $post;
		$urllink = get_post_meta( $post->ID, 'urllink', true );
		$urldesc = get_post_meta( $post->ID, 'urldesc', true );

		if ( !preg_match( "/http(s?):\/\//", $urllink )) {
			$errors = 'Url not valid';
			$urllink = 'http://';
		}

		// output invlid url message and add the http:// to the input field
		if( $errors ) {
			echo '<p class="error">'.$errors.'</p>';
		} ?>

<p>
	<label for="siteurl">Url:<br /> <input id="siteurl" size="37"
		name="siteurl" value="<?php if( $urllink ) { echo $urllink; } ?>" />
	</label>
</p>
<p>
	<label for="urldesc">Description:<br /> <textarea id="urldesc"
			name="urldesc" cols="45" rows="4">
			<?php if( $urldesc ) { 
				echo $urldesc;
			} ?>
		</textarea>
	</label>
</p>
<?php
				
	}
	
	/**
	 * Process the custom metabox fields
	 */
	public function save_custom_url( $post_id ) {
		global $post;
	
		if( $_POST ) {
			update_post_meta( $post->ID, 'urllink', $_POST['siteurl'] );
			update_post_meta( $post->ID, 'urldesc', $_POST['urldesc'] );
		}
	}
	
	/**
	 * Get the markup for the portfolio thumb
	 */
	public function portfolio_thumb(){
		$posts = get_posts(array(
			'post_type'		=>	self::client_custom_post_name,
			'numberposts'	=>	13,
			'post_status'	=>	'publish'
		));
		
		$toret = '';
		$count = count($posts);
		$permutations = array(
			'3' => array(
				array(4,4,4)	
			),
			'4' => array(
				array(4,4,2,2),
				array(4,3,3,2),
				array(3,3,3,3)	
			),
			'5'	=> array(
				array(2,2,2,2,4)
			),
			/*'6' => array(
				array(2,2,2,2,2,2)
			)*/
		);
		
		//TEST ONLYYYYY!!!!!
		//$count = 19;
		
		$module = $count % 4;
		$n5 = $n3 = 0;
		switch($module){
			case 1:
			case 2:
				$n5 = $module;
				break;
			case 3:
				$n3 = 1;
				break;
		}
		
		$n4 = intval($count / 4) - $n5;
		
		$rows = array();
		for($i=0; $i<$n3; $i++){
			array_push($rows, '3');
		}
		for($i=0; $i<$n4; $i++){
			array_push($rows, '4');
		}
		for($i=0; $i<$n5; $i++){
			array_push($rows, '5');
		}
		
		shuffle($rows);
		
		if($count){
			global $post;
			$n_post = 0;
			foreach($rows as $k => $n_images){
				shuffle($permutations[$n_images]);
				$choosed_permutation = $permutations[$n_images][0];
				shuffle($choosed_permutation);
				foreach($choosed_permutation as $size){
					$post = $posts[$n_post++];		
					setup_postdata($post);
					$img_big = wp_get_attachment_image_src(get_post_thumbnail_id(), 'full');
					$toret .= '<div class="portfolio-element">';
					$toret .= theme_helpers::anchor(
						$img_big[0], 
						get_the_post_thumbnail(get_the_id(), 'portfolio-thumb-'.$size).'<span class="overlay">'.get_the_title().'</span>'
					);
					$toret .= '</div>';
					wp_reset_postdata();
				}
			}
		}
		
		return $toret;
	}
	
}

$portfolio = new portfolio();
$portfolio->setup();