Portfolio Item

<?php

class Portfolio {
    var $meta_fields = array('p-website','p-thumb','p-main');

    function Portfolio()
    {
        // Register custom post types
        register_post_type('portfolio', array(
            'label' => __('Portfolio'),
            'singular_label' => __('Portfolio'),
            'public' => true,
            'show_ui' => true, // UI in admin panel
            'capability_type' => 'post',
            'hierarchical' => false,
            'rewrite' => array("slug" => "portfolio"), // Permalinks
            'query_var' => "portfolio", // This goes to the WP_Query schema
            'supports' => array('title', 'editor' /*,'custom-fields'*/) // Let's use custom fields for debugging purposes only
        ));

        // Register custom taxonomy
        register_taxonomy("type", array("portfolio"), array("hierarchical" => false, "label" => "Types", "singular_label" => "Type", "rewrite" => true));

        // Admin interface init
        add_action("admin_init", array(&$this, "admin_init"));

        // Insert post hook
        add_action("wp_insert_post", array(&$this, "wp_insert_post"), 10, 2);
    }

    // When a post is inserted or updated
    function wp_insert_post($post_id, $post = null)
    {
        if ($post->post_type == "portfolio")
        {
            // Loop through the POST data
            foreach ($this->meta_fields as $key)
            {
                $value = @$_POST[$key];
                if (empty($value))
                {
                    delete_post_meta($post_id, $key);
                    continue;
                }

                // If value is a string it should be unique
                if (!is_array($value))
                {
                    // Update meta
                    if (!update_post_meta($post_id, $key, $value))
                    {
                        // Or add the meta data
                        add_post_meta($post_id, $key, $value);
                    }
                }
                else
                {
                    // If passed along is an array, we should remove all previous data
                    delete_post_meta($post_id, $key);

                    // Loop through the array adding new values to the post meta as different entries with the same name
                    foreach ($value as $entry)
                        add_post_meta($post_id, $key, $entry);
                }
            }
        }
    }

    function admin_init()
    {
        // Custom meta boxes for the edit podcast screen
        add_meta_box('p-website','Options',array(&$this,'meta_options'),'portfolio','side','low');
    }

    // Admin post meta contents
    function meta_options(){
        global $post;
        $custom = get_post_custom($post->ID);
        $length = $custom["p-website"][0];
        $thumb = $custom["p-thumb"][0];
        $main = $custom["p-main"][0];
?>
        <label>Website:</label><br /><p><input name="p-website" value="<?php echo $website; ?>" /></p><br />
<?php
        function get_attachments($postID,$type,$theone){
            $args = array(
                'post_type' => 'attachment',
                'numberposts' => null,
                'post_status' => null,
                'post_parent' => $postID
            );
            $attachments = get_posts($args);
            if($attachments){
                foreach($attachments as $attachment){
                    $image = wp_get_attachment_image_src($attachment->ID,'full');
                    if($image == $theone){$select = ' checked="yes"';}else{$select = '';};
                    echo '<p><input type="radio" name="p-'.$type.'" value="'.$image[0].'"'.$select.' /> <img src="'.$image[0].'" height="60" width="60" alt="" /></p>';
                }
            }
            else{
                echo '<p><em>Please upload images</em></p><br />';
            }
        }

        echo '<label>Thumnail</label><br />';
        get_attachments($post->ID,'thumb',$thumb);

        echo '<br /><label>Main</label><br />';
        get_attachments($post->ID,'main',$main);
    }
}

// Initiate the plugin
add_action("init", "PortfolioInit");
function PortfolioInit() { global $p30; $p30 = new Portfolio(); }