<?php

/**

 *

 * @package WordPress

 * @since 3.1.0

 * @access private

 */

class WP_Media_List_Table extends WP_List_Table {

	private $detached;

	private $is_trash;

	/**

	 * Constructor.

	 *

	 * @since 3.1.0

	 *

	 * @see WP_List_Table::__construct() for more information on default arguments.

	 *

	 * @param array $args An associative array of arguments.

	 */

	public function __construct( $args = array() ) {

		$this->detached = ( isset( $_REQUEST['attachment-filter'] ) && 'detached' === $_REQUEST['attachment-filter'] );

		$this->modes = array(

			'list' => __( 'List View' ),

			'grid' => __( 'Grid View' )

		);

		parent::__construct( array(

			'plural' => 'media',

			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,

		) );

	}

	public function ajax_user_can() {

		return current_user_can('upload_files');

	}

	public function prepare_items() {

		global $wp_query, $post_mime_types, $avail_post_mime_types, $mode;

		list( $post_mime_types, $avail_post_mime_types ) = wp_edit_attachments_query( $_REQUEST );

 		$mode = empty( $_REQUEST['mode'] ) ? 'list' : $_REQUEST['mode'];

		$this->set_pagination_args( array(

			'total_items' => $wp_query->found_posts,

			'total_pages' => $wp_query->max_num_pages,

			'per_page' => $wp_query->query_vars['posts_per_page'],

		) );

	}

	protected function get_views() {

		$type_links = array();

		foreach ( $post_mime_types as $mime_type => $label ) {

				continue;

		}

		return $type_links;

	}

	protected function get_bulk_actions() {

		$actions = array();

		if ( MEDIA_TRASH ) {

			if ( $this->is_trash ) {

				$actions['untrash'] = __( 'Restore' );

				$actions['delete'] = __( 'Delete Permanently' );

			} else {

			}

		} else {

			$actions['delete'] = __( 'Delete Permanently' );

		}

		if ( $this->detached )

		return $actions;

	}

	/**

	 * @param string $which

	 */

	protected function extra_tablenav( $which ) {

		if ( 'bar' !== $which ) {

			return;

		}

?>

		<div class="actions">

<?php

		if ( ! is_singular() ) {

			if ( ! $this->is_trash ) {

				$this->months_dropdown( 'attachment' );

			}

			/** This action is documented in wp-admin/includes/class-wp-posts-list-table.php */

		}

			submit_button( __( 'Empty Trash' ), 'apply', 'delete_all', false );

		} ?>

		</div>

<?php

	}

	public function current_action() {

		if ( isset( $_REQUEST['found_post_id'] ) && isset( $_REQUEST['media'] ) )

			return 'attach';

		if ( isset( $_REQUEST['parent_post_id'] ) && isset( $_REQUEST['media'] ) )

			return 'detach';

		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )

			return 'delete_all';

		return parent::current_action();

	}

	public function has_items() {

		return have_posts();

	}

	public function no_items() {

	}

	/**

	 * Override parent views so we can use the filter bar display.

	 */

	public function views() {

		global $mode;

		$views = $this->get_views();

?>

<div class="wp-filter">

	<div class="filter-items">

		<?php $this->view_switcher( $mode ); ?>

		<label for="attachment-filter" class="screen-reader-text"><?php _e( 'Filter by type' ); ?></label>

		<select class="attachment-filters" name="attachment-filter" id="attachment-filter">

			<?php

			if ( ! empty( $views ) ) {

				foreach ( $views as $class => $view ) {

					echo "\t$view\n";

				}

			}

			?>

		</select>

<?php

		$this->extra_tablenav( 'bar' );

		/** This filter is documented in wp-admin/inclues/class-wp-list-table.php */

		$views = apply_filters( "views_{$this->screen->id}", array() );

		// Back compat for pre-4.0 view links.

		if ( ! empty( $views ) ) {

			echo '<ul class="filter-links">';

			foreach ( $views as $class => $view ) {

				echo "<li class='$class'>$view</li>";

			}

			echo '</ul>';

		}

?>

	</div>

	<div class="search-form">

		<label for="media-search-input" class="screen-reader-text"><?php esc_html_e( 'Search Media' ); ?></label>

	</div>

	<?php

	}

	public function get_columns() {

		$posts_columns = array();

		$posts_columns['cb'] = '<input type="checkbox" />';

		/* translators: column name */

		$posts_columns['title'] = _x( 'File', 'column name' );

		$posts_columns['author'] = __( 'Author' );

		$taxonomies = get_taxonomies_for_attachments( 'objects' );

		$taxonomies = wp_filter_object_list( $taxonomies, array( 'show_admin_column' => true ), 'and', 'name' );

		/**

		 *

		 * @since 3.5.0

		 *

		 * @param array  $taxonomies An array of registered taxonomies to show for attachments.

		 * @param string $post_type  The post type. Default 'attachment'.

		 */

		$taxonomies = apply_filters( 'manage_taxonomies_for_attachment_columns', $taxonomies, 'attachment' );

		$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );

		foreach ( $taxonomies as $taxonomy ) {

				$column_key = 'categories';

				$column_key = 'tags';

				$column_key = 'taxonomy-' . $taxonomy;

			$posts_columns[ $column_key ] = get_taxonomy( $taxonomy )->labels->name;

		}

		/* translators: column name */

		if ( !$this->detached ) {

			$posts_columns['parent'] = _x( 'Uploaded to', 'column name' );

			if ( post_type_supports( 'attachment', 'comments' ) )

		}

		/* translators: column name */

		$posts_columns['date'] = _x( 'Date', 'column name' );

		/**

		 *

		 * @since 2.5.0

		 *

		 * @param array $posts_columns An array of columns displayed in the Media list table.

		 * @param bool  $detached      Whether the list table contains media not attached

		 *                             to any posts. Default true.

		 */

	}

	protected function get_sortable_columns() {

		return array(

			'title'    => 'title',

			'author'   => 'author',

			'parent'   => 'parent',

			'comments' => 'comment_count',

			'date'     => array( 'date', true ),

		);

	}

		list( $mime ) = explode( '/', $post->post_mime_type );