'', 'singular' => '', 'ajax' => true ) ); $screen = get_current_screen(); add_filter( "manage_{$screen->id}_columns", array( &$this, 'get_columns' ), 0 ); if ( !$args['plural'] ) $args['plural'] = $screen->base; $this->_args = $args; if ( $args['ajax'] ) { wp_enqueue_script( 'list-table' ); add_action( 'admin_footer', array( &$this, '_js_vars' ) ); } } /** * Checks the current user's permissions * @uses wp_die() * * @since 3.1.0 * @access public */ function ajax_user_can() { die( 'function WP_List_Table::ajax_user_can() must be over-ridden in a sub-class.' ); } /** * Prepares the list of items for displaying. * @uses WP_List_Table::set_pagination_args() * * @since 3.1.0 * @access public */ function prepare_items() { die( 'function WP_List_Table::prepare_items() must be over-ridden in a sub-class.' ); } /** * An internal method that sets all the necessary pagination arguments * * @param array $args An associative array with information about the pagination * @access protected */ function set_pagination_args( $args ) { $args = wp_parse_args( $args, array( 'total_items' => 0, 'total_pages' => 0, 'per_page' => 0, ) ); if ( !$args['total_pages'] && $args['per_page'] > 0 ) $args['total_pages'] = ceil( $args['total_items'] / $args['per_page'] ); $this->_pagination_args = $args; } /** * Access the pagination args * * @since 3.1.0 * @access public * * @param string $key * @return array */ function get_pagination_arg( $key ) { if ( 'page' == $key ) return $this->get_pagenum(); if ( isset( $this->_pagination_args[$key] ) ) return $this->_pagination_args[$key]; } /** * Whether the table has items to display or not * * @since 3.1.0 * @access public * * @return bool */ function has_items() { return !empty( $this->items ); } /** * Message to be displayed when there are no items * * @since 3.1.0 * @access public */ function no_items() { _e( 'No items found.' ); } /** * Display the search box. * * @since 3.1.0 * @access public * * @param string $text The search button text * @param string $input_id The search input id */ function search_box( $text, $input_id ) { if ( empty( $_REQUEST['s'] ) && !$this->has_items() ) return; $input_id = $input_id . '-search-input'; ?>

link ) with the list * of views available on this table. * * @since 3.1.0 * @access protected * * @return array */ function get_views() { return array(); } /** * Display the bulk actions dropdown. * * @since 3.1.0 * @access public */ function views() { $screen = get_current_screen(); $views = $this->get_views(); $views = apply_filters( 'views_' . $screen->id, $views ); if ( empty( $views ) ) return; echo ""; } /** * Get an associative array ( option_name => option_title ) with the list * of bulk actions available on this table. * * @since 3.1.0 * @access protected * * @return array */ function get_bulk_actions() { return array(); } /** * Display the bulk actions dropdown. * * @since 3.1.0 * @access public */ function bulk_actions() { $screen = get_current_screen(); if ( is_null( $this->_actions ) ) { $this->_actions = $this->get_bulk_actions(); $this->_actions = apply_filters( 'bulk_actions-' . $screen->id, $this->_actions ); $two = ''; } else { $two = '2'; } if ( empty( $this->_actions ) ) return; echo "\n"; submit_button( __( 'Apply' ), 'button-secondary action', "doaction$two", false ); echo "\n"; } /** * Get the current action selected from the bulk actions dropdown. * * @since 3.1.0 * @access public * * @return string|bool The action name or False if no action was selected */ function current_action() { if ( isset( $_REQUEST['action'] ) && -1 != $_REQUEST['action'] ) return $_REQUEST['action']; if ( isset( $_REQUEST['action2'] ) && -1 != $_REQUEST['action2'] ) return $_REQUEST['action2']; return false; } /** * Generate row actions div * * @since 3.1.0 * @access protected * * @param array $actions The list of actions * @param bool $always_visible Wether the actions should be always visible * @return string */ function row_actions( $actions, $always_visible = false ) { $action_count = count( $actions ); $i = 0; if ( !$action_count ) return ''; $out = '
'; foreach ( $actions as $action => $link ) { ++$i; ( $i == $action_count ) ? $sep = '' : $sep = ' | '; $out .= "$link$sep"; } $out .= '
'; return $out; } /** * Display a monthly dropdown for filtering items * * @since 3.1.0 * @access protected */ function months_dropdown( $post_type ) { global $wpdb, $wp_locale; $months = $wpdb->get_results( $wpdb->prepare( " SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month FROM $wpdb->posts WHERE post_type = %s ORDER BY post_date DESC ", $post_type ) ); $month_count = count( $months ); if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) ) return; $m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0; ?> __( 'List View' ), 'excerpt' => __( 'Excerpt View' ) ); ?>
$title ) { $class = ( $current_mode == $mode ) ? 'class="current"' : ''; echo "$title\n"; } ?>
'; $link = "%s"; comments_number( sprintf( $link, /* translators: comment count link */ _x( '0', 'comment count' ) ), sprintf( $link, /* translators: comment count link */ _x( '1', 'comment count' ) ), sprintf( $link, /* translators: comment count link: % will be substituted by comment count */ _x( '%', 'comment count' ) ) ); if ( $pending_comments ) echo ''; } /** * Get the current page number * * @since 3.1.0 * @access protected * * @return int */ function get_pagenum() { $pagenum = isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 0; return max( 1, $pagenum ); } /** * Get number of items to display on a single page * * @since 3.1.0 * @access protected * * @return int */ function get_items_per_page( $option, $default = 20 ) { $per_page = (int) get_user_option( $option ); if ( empty( $per_page ) || $per_page < 1 ) $per_page = $default; return (int) apply_filters( $option, $per_page ); } /** * Display the pagination. * * @since 3.1.0 * @access protected */ function pagination() { if ( $this->_pagination ) { echo $this->_pagination; return; } if ( empty( $this->_pagination_args ) ) return; extract( $this->_pagination_args ); if ( $total_pages < 2 ) return; $output = '' . sprintf( _n( '1 item', '%s items', $total_items ), number_format_i18n( $total_items ) ) . ''; $current = $this->get_pagenum(); $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; $page_links = array(); $page_links[] = sprintf( "%s", 'first-page', esc_attr__( 'Go to the first page' ), esc_url( remove_query_arg( 'paged', $current_url ) ), '««' ); $page_links[] = sprintf( "%s", 'prev-page', esc_attr__( 'Go to the previous page' ), esc_url( add_query_arg( 'paged', max( 1, $current-1 ), $current_url ) ), '«' ); $html_current_page = sprintf( "", esc_attr__( 'Current page' ), esc_attr( 'paged' ), number_format_i18n( $current ), strlen( $total_pages ) ); $html_total_pages = sprintf( "%s", number_format_i18n( $total_pages ) ); $page_links[] = sprintf( _x( '%s of %s', 'paging' ), $html_current_page, $html_total_pages ); $page_links[] = sprintf( "%s", 'next-page', esc_attr__( 'Go to the next page' ), esc_url( add_query_arg( 'paged', min( $total_pages, $current+1 ), $current_url ) ), '»' ); $page_links[] = sprintf( "%s", 'last-page', esc_attr__( 'Go to the last page' ), esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ), '»»' ); $output .= join( "\n", $page_links ); $this->_pagination = "
$output
"; echo $this->_pagination; } /** * Get a list of columns. The format is: * 'internal-name' => 'Title' * * @since 3.1.0 * @access protected * * @return array */ function get_columns() { die( 'function WP_List_Table::get_columns() must be over-ridden in a sub-class.' ); } /** * Get a list of sortable columns. The format is: * 'internal-name' => 'orderby' * or * 'internal-name' => array( 'orderby', true ) * * The second format will make the initial sorting order be descending * * @since 3.1.0 * @access protected * * @return array */ function get_sortable_columns() { return array(); } /** * Get a list of all, hidden and sortable columns, with filter applied * * @since 3.1.0 * @access protected * * @return array */ function get_column_info() { if ( isset( $this->_column_headers ) ) return $this->_column_headers; $screen = get_current_screen(); $columns = get_column_headers( $screen ); $hidden = get_hidden_columns( $screen ); $_sortable = apply_filters( "manage_{$screen->id}_sortable_columns", $this->get_sortable_columns() ); $sortable = array(); foreach ( $_sortable as $id => $data ) { if ( empty( $data ) ) continue; $data = (array) $data; if ( !isset( $data[1] ) ) $data[1] = false; $sortable[$id] = $data; } $this->_column_headers = array( $columns, $hidden, $sortable ); return $this->_column_headers; } /** * Return number of visible columns * * @since 3.1.0 * @access public * * @return int */ function get_column_count() { list ( $columns, $hidden ) = $this->get_column_info(); $hidden = array_intersect( array_keys( $columns ), array_filter( $hidden ) ); return count( $columns ) - count( $hidden ); } /** * Print column headers, accounting for hidden and sortable columns. * * @since 3.1.0 * @access protected * * @param bool $with_id Whether to set the id attribute or not */ function print_column_headers( $with_id = true ) { $screen = get_current_screen(); list( $columns, $hidden, $sortable ) = $this->get_column_info(); $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; if ( isset( $_GET['orderby'] ) ) $current_orderby = $_GET['orderby']; else $current_orderby = ''; if ( isset( $_GET['order'] ) && 'desc' == $_GET['order'] ) $current_order = 'desc'; else $current_order = 'asc'; foreach ( $columns as $column_key => $column_display_name ) { $class = array( 'manage-column', "column-$column_key" ); $style = ''; if ( in_array( $column_key, $hidden ) ) $style = 'display:none;'; $style = ' style="' . $style . '"'; if ( 'cb' == $column_key ) $class[] = 'check-column'; elseif ( in_array( $column_key, array( 'posts', 'comments', 'links' ) ) ) $class[] = 'num'; if ( isset( $sortable[$column_key] ) ) { list( $orderby, $desc_first ) = $sortable[$column_key]; if ( $current_orderby == $orderby ) { $order = 'asc' == $current_order ? 'desc' : 'asc'; $class[] = 'sorted'; $class[] = $current_order; } else { $order = $desc_first ? 'desc' : 'asc'; $class[] = 'sortable'; $class[] = $desc_first ? 'asc' : 'desc'; } $column_display_name = '' . $column_display_name . ''; } $id = $with_id ? "id='$column_key'" : ''; if ( !empty( $class ) ) $class = "class='" . join( ' ', $class ) . "'"; echo "$column_display_name"; } } /** * Display the table * * @since 3.1.0 * @access public */ function display() { extract( $this->_args ); $this->display_tablenav( 'top' ); ?> print_column_headers(); ?> print_column_headers( false ); ?> > display_rows_or_placeholder(); ?>
display_tablenav( 'bottom' ); } /** * Get a list of CSS classes for the tag * * @since 3.1.0 * @access protected * * @return array */ function get_table_classes() { return array( 'widefat', 'fixed', $this->_args['plural'] ); } /** * Generate the table navigation above or below the table * * @since 3.1.0 * @access protected */ function display_tablenav( $which ) { if ( 'top' == $which ) wp_nonce_field( 'bulk-' . $this->_args['plural'] ); ?>
bulk_actions( $which ); ?>
extra_tablenav( $which ); $this->pagination( $which ); ?>
part of the table * * @since 3.1.0 * @access protected */ function display_rows_or_placeholder() { if ( $this->has_items() ) { $this->display_rows(); } else { echo ''; } } /** * Generate the table rows * * @since 3.1.0 * @access protected */ function display_rows() { foreach ( $this->items as $item ) $this->single_row( $item ); } /** * Generates content for a single row of the table * * @since 3.1.0 * @access protected * * @param object $item The current item */ function single_row( $item ) { static $row_class = ''; $row_class = ( $row_class == '' ? ' class="alternate"' : '' ); echo ''; echo $this->single_row_columns( $item ); echo ''; } /** * Generates the columns for a single row of the table * * @since 3.1.0 * @access protected * * @param object $item The current item */ function single_row_columns( $item ) { 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"; if ( 'cb' == $column_name ) { echo ''; } elseif ( method_exists( $this, 'column_' . $column_name ) ) { echo ""; } else { echo ""; } } } /** * Handle an incoming ajax request (called from admin-ajax.php) * * @since 3.1.0 * @access public */ function ajax_response() { $this->prepare_items(); extract( $this->_args ); extract( $this->_pagination_args ); ob_start(); $this->display_rows_or_placeholder(); $rows = ob_get_clean(); $response = array( 'rows' => $rows ); if ( isset( $total_items ) ) $response['total_items_i18n'] = sprintf( _n( '1 item', '%s items', $total_items ), number_format_i18n( $total_items ) ); if ( isset( $total_pages ) ) { $response['total_pages'] = $total_pages; $response['total_pages_i18n'] = number_format_i18n( $total_pages ); } die( json_encode( $response ) ); } /** * Send required variables to JavaScript land * * @access private */ function _js_vars() { $args = array( 'class' => get_class( $this ), 'screen' => get_current_screen() ); printf( "\n", json_encode( $args ) ); } } ?>
'; $this->no_items(); echo '
'; echo $this->column_cb( $item ); echo '"; echo call_user_func( array( &$this, 'column_' . $column_name ), $item ); echo ""; echo $this->column_default( $item, $column_name ); echo "