<?php

/**

 * Media Library List Table class.

 *

 * @package WordPress

 * @subpackage List_Table

 * @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

	 * @access public

	 *

	 * @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 );

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

 		$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() {

		global $wpdb, $post_mime_types, $avail_post_mime_types;

		$type_links = array();

		$_num_posts = (array) wp_count_attachments();

		$_total_posts = array_sum($_num_posts) - $_num_posts['trash'];

		$total_orphans = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent < 1" );

		$matches = wp_match_mime_types(array_keys($post_mime_types), array_keys($_num_posts));

		foreach ( $matches as $type => $reals )

			foreach ( $reals as $real )

				$num_posts[$type] = ( isset( $num_posts[$type] ) ) ? $num_posts[$type] + $_num_posts[$real] : $_num_posts[$real];

		$selected = empty( $_GET['attachment-filter'] ) ? ' selected="selected"' : '';

		$type_links['all'] = "<option value=''$selected>" . sprintf( _nx( 'All (%s)', 'All (%s)', $_total_posts, 'uploaded files' ), number_format_i18n( $_total_posts ) ) . '</option>';

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

			if ( !wp_match_mime_types($mime_type, $avail_post_mime_types) )

				continue;

			$selected = '';

			if ( !empty( $_GET['attachment-filter'] ) && strpos( $_GET['attachment-filter'], 'post_mime_type:' ) === 0 && wp_match_mime_types( $mime_type, str_replace( 'post_mime_type:', '', $_GET['attachment-filter'] ) ) )

				$selected = ' selected="selected"';

			if ( !empty( $num_posts[$mime_type] ) )

				$type_links[$mime_type] = '<option value="post_mime_type:' . esc_attr( $mime_type ) . '"' . $selected . '>' . sprintf( translate_nooped_plural( $label[2], $num_posts[$mime_type] ), number_format_i18n( $num_posts[$mime_type] )) . '</option>';

		}

		$type_links['detached'] = '<option value="detached"' . ( $this->detached ? ' selected="selected"' : '' ) . '>' . sprintf( _nx( 'Unattached (%s)', 'Unattached (%s)', $total_orphans, 'detached files' ), number_format_i18n( $total_orphans ) ) . '</option>';

		if ( !empty($_num_posts['trash']) )

			$type_links['trash'] = '<option value="trash"' . ( (isset($_GET['attachment-filter']) && $_GET['attachment-filter'] == 'trash' ) ? ' selected="selected"' : '') . '>' . sprintf( _nx( 'Trash (%s)', 'Trash (%s)', $_num_posts['trash'], 'uploaded files' ), number_format_i18n( $_num_posts['trash'] ) ) . '</option>';

		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 {

				$actions['trash'] = __( 'Trash' );

			}

		} else {

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

		}

		if ( $this->detached )

			$actions['attach'] = __( 'Attach to a post' );

		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 */

			do_action( 'restrict_manage_posts' );

			submit_button( __( 'Filter' ), 'button', 'filter_action', false, array( 'id' => 'post-query-submit' ) );

		}

		if ( $this->is_trash && current_user_can( 'edit_others_posts' ) ) {

			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() {

		_e( 'No media attachments found.' );

	}

	/**

	 * 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>

		<input type="search" placeholder="<?php esc_attr_e( 'Search' ) ?>" id="media-search-input" class="search" name="s" value="<?php _admin_search_query(); ?>"></div>

	</div>

	<?php

	}

	public function get_columns() {

		$posts_columns = array();

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

		$posts_columns['icon'] = '';

		/* 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' );

		/**

		 * Filter the taxonomy columns for attachments in the Media list table.

		 *

		 * @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 ) {

			if ( 'category' == $taxonomy )

				$column_key = 'categories';

			elseif ( 'post_tag' == $taxonomy )

				$column_key = 'tags';

			else

				$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' ) )

				$posts_columns['comments'] = '<span class="vers"><span title="' . esc_attr__( 'Comments' ) . '" class="comment-grey-bubble"></span></span>';

		}

		/* translators: column name */

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

		/**

		 * Filter the Media list table columns.

		 *

		 * @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.

		 */

		$posts_columns = apply_filters( 'manage_media_columns', $posts_columns, $this->detached );

		return $posts_columns;

	}

	protected function get_sortable_columns() {

		return array(

			'title'    => 'title',

			'author'   => 'author',

			'parent'   => 'parent',

			'comments' => 'comment_count',

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

		);

	}

	public function display_rows() {

		global $post;

		add_filter( 'the_title','esc_html' );

		while ( have_posts() ) : the_post();

			$user_can_edit = current_user_can( 'edit_post', $post->ID );

			if ( $this->is_trash && $post->post_status != 'trash'

			||  !$this->is_trash && $post->post_status == 'trash' )

				continue;

			$post_owner = ( get_current_user_id() == $post->post_author ) ? 'self' : 'other';

			$att_title = _draft_or_post_title();

?>

	<tr id="post-<?php echo $post->ID; ?>" class="<?php echo trim( ' author-' . $post_owner . ' status-' . $post->post_status ); ?>">

<?php

list( $columns, $hidden ) = $this->get_column_info();

foreach ( $columns as $column_name => $column_display_name ) {

	$class = "class='$column_name column-$column_name'";

	$style = '';

	if ( in_array( $column_name, $hidden ) )

		$style = ' style="display:none;"';

	$attributes = $class . $style;

	switch ( $column_name ) {

	case 'cb':

?>

		<th scope="row" class="check-column">

			<?php if ( $user_can_edit ) { ?>

				<label class="screen-reader-text" for="cb-select-<?php the_ID(); ?>"><?php echo sprintf( __( 'Select %s' ), $att_title );?></label>

				<input type="checkbox" name="media[]" id="cb-select-<?php the_ID(); ?>" value="<?php the_ID(); ?>" />

			<?php } ?>

		</th>

<?php

		break;

	case 'icon':

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

		$attributes = 'class="column-icon media-icon ' . $mime . '-icon"' . $style;

?>

		<td <?php echo $attributes ?>><?php

			if ( $thumb = wp_get_attachment_image( $post->ID, array( 80, 60 ), true ) ) {

				if ( $this->is_trash || ! $user_can_edit ) {

					echo $thumb;

				} else {

?>

				<a href="<?php echo get_edit_post_link( $post->ID ); ?>" title="<?php echo esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $att_title ) ); ?>">

					<?php echo $thumb; ?>

				</a>

<?php			}

			}

?>

		</td>

<?php

		break;

	case 'title':

?>

		<td <?php echo $attributes ?>><strong>

			<?php if ( $this->is_trash || ! $user_can_edit ) {

				echo $att_title;

			} else { ?>

			<a href="<?php echo get_edit_post_link( $post->ID ); ?>"

				title="<?php echo esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $att_title ) ); ?>">

				<?php echo $att_title; ?></a>

			<?php };

			_media_states( $post ); ?></strong>

			<p class="filename"><?php echo wp_basename( $post->guid ); ?></p>

<?php

		echo $this->row_actions( $this->_get_row_actions( $post, $att_title ) );

?>

		</td>

<?php

		break;

	case 'author':

?>

		<td <?php echo $attributes ?>><?php

			printf( '<a href="%s">%s</a>',

				esc_url( add_query_arg( array( 'author' => get_the_author_meta('ID') ), 'upload.php' ) ),

				get_the_author()

			);

		?></td>

<?php

		break;

	case 'desc':

?>

		<td <?php echo $attributes ?>><?php echo has_excerpt() ? $post->post_excerpt : ''; ?></td>

<?php

		break;

	case 'date':

		if ( '0000-00-00 00:00:00' == $post->post_date ) {

			$h_time = __( 'Unpublished' );

		} else {

			$m_time = $post->post_date;

			$time = get_post_time( 'G', true, $post, false );

			if ( ( abs( $t_diff = time() - $time ) ) < DAY_IN_SECONDS ) {

				if ( $t_diff < 0 )

					$h_time = sprintf( __( '%s from now' ), human_time_diff( $time ) );

				else

					$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );

			} else {

				$h_time = mysql2date( __( 'Y/m/d' ), $m_time );

			}

		}

?>

		<td <?php echo $attributes ?>><?php echo $h_time ?></td>

<?php

		break;

	case 'parent':