--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-admin/includes/class-wp-list-table.php Wed Nov 06 03:21:17 2013 +0000
@@ -0,0 +1,930 @@
+<?php
+/**
+ * Base class for displaying a list of items in an ajaxified HTML table.
+ *
+ * @package WordPress
+ * @subpackage List_Table
+ * @since 3.1.0
+ */
+
+/**
+ * Base class for displaying a list of items in an ajaxified HTML table.
+ *
+ * @package WordPress
+ * @subpackage List_Table
+ * @since 3.1.0
+ * @access private
+ */
+class WP_List_Table {
+
+ /**
+ * The current list of items
+ *
+ * @since 3.1.0
+ * @var array
+ * @access protected
+ */
+ var $items;
+
+ /**
+ * Various information about the current table
+ *
+ * @since 3.1.0
+ * @var array
+ * @access private
+ */
+ var $_args;
+
+ /**
+ * Various information needed for displaying the pagination
+ *
+ * @since 3.1.0
+ * @var array
+ * @access private
+ */
+ var $_pagination_args = array();
+
+ /**
+ * The current screen
+ *
+ * @since 3.1.0
+ * @var object
+ * @access protected
+ */
+ var $screen;
+
+ /**
+ * Cached bulk actions
+ *
+ * @since 3.1.0
+ * @var array
+ * @access private
+ */
+ var $_actions;
+
+ /**
+ * Cached pagination output
+ *
+ * @since 3.1.0
+ * @var string
+ * @access private
+ */
+ var $_pagination;
+
+ /**
+ * Constructor. The child class should call this constructor from its own constructor
+ *
+ * @param array $args An associative array with information about the current table
+ * @access protected
+ */
+ function __construct( $args = array() ) {
+ $args = wp_parse_args( $args, array(
+ 'plural' => '',
+ 'singular' => '',
+ 'ajax' => false,
+ 'screen' => null,
+ ) );
+
+ $this->screen = convert_to_screen( $args['screen'] );
+
+ add_filter( "manage_{$this->screen->id}_columns", array( $this, 'get_columns' ), 0 );
+
+ if ( !$args['plural'] )
+ $args['plural'] = $this->screen->base;
+
+ $args['plural'] = sanitize_key( $args['plural'] );
+ $args['singular'] = sanitize_key( $args['singular'] );
+
+ $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
+ * @abstract
+ */
+ 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
+ * @abstract
+ */
+ 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'] );
+
+ // redirect if page number is invalid and headers are not already sent
+ if ( ! headers_sent() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {
+ wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) );
+ exit;
+ }
+
+ $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';
+
+ if ( ! empty( $_REQUEST['orderby'] ) )
+ echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
+ if ( ! empty( $_REQUEST['order'] ) )
+ echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
+ if ( ! empty( $_REQUEST['post_mime_type'] ) )
+ echo '<input type="hidden" name="post_mime_type" value="' . esc_attr( $_REQUEST['post_mime_type'] ) . '" />';
+ if ( ! empty( $_REQUEST['detached'] ) )
+ echo '<input type="hidden" name="detached" value="' . esc_attr( $_REQUEST['detached'] ) . '" />';
+?>
+<p class="search-box">
+ <label class="screen-reader-text" for="<?php echo $input_id ?>"><?php echo $text; ?>:</label>
+ <input type="search" id="<?php echo $input_id ?>" name="s" value="<?php _admin_search_query(); ?>" />
+ <?php submit_button( $text, 'button', false, false, array('id' => 'search-submit') ); ?>
+</p>
+<?php
+ }
+
+ /**
+ * Get an associative array ( id => 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 list of views available on this table.
+ *
+ * @since 3.1.0
+ * @access public
+ */
+ function views() {
+ $views = $this->get_views();
+ $views = apply_filters( 'views_' . $this->screen->id, $views );
+
+ if ( empty( $views ) )
+ return;
+
+ echo "<ul class='subsubsub'>\n";
+ foreach ( $views as $class => $view ) {
+ $views[ $class ] = "\t<li class='$class'>$view";
+ }
+ echo implode( " |</li>\n", $views ) . "</li>\n";
+ echo "</ul>";
+ }
+
+ /**
+ * 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() {
+ if ( is_null( $this->_actions ) ) {
+ $no_new_actions = $this->_actions = $this->get_bulk_actions();
+ // This filter can currently only be used to remove actions.
+ $this->_actions = apply_filters( 'bulk_actions-' . $this->screen->id, $this->_actions );
+ $this->_actions = array_intersect_assoc( $this->_actions, $no_new_actions );
+ $two = '';
+ } else {
+ $two = '2';
+ }
+
+ if ( empty( $this->_actions ) )
+ return;
+
+ echo "<select name='action$two'>\n";
+ echo "<option value='-1' selected='selected'>" . __( 'Bulk Actions' ) . "</option>\n";
+
+ foreach ( $this->_actions as $name => $title ) {
+ $class = 'edit' == $name ? ' class="hide-if-no-js"' : '';
+
+ echo "\t<option value='$name'$class>$title</option>\n";
+ }
+
+ echo "</select>\n";
+
+ submit_button( __( 'Apply' ), 'action', false, false, array( 'id' => "doaction$two" ) );
+ 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 Whether 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 = '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">';
+ foreach ( $actions as $action => $link ) {
+ ++$i;
+ ( $i == $action_count ) ? $sep = '' : $sep = ' | ';
+ $out .= "<span class='$action'>$link$sep</span>";
+ }
+ $out .= '</div>';
+
+ 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 ) );
+
+ /**
+ * Filter the months dropdown results.
+ *
+ * @since 3.7.0
+ *
+ * @param object $months The months dropdown query results.
+ * @param string $post_type The post type.
+ */
+ $months = apply_filters( 'months_dropdown_results', $months, $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;
+?>
+ <select name='m'>
+ <option<?php selected( $m, 0 ); ?> value='0'><?php _e( 'Show all dates' ); ?></option>
+<?php
+ foreach ( $months as $arc_row ) {
+ if ( 0 == $arc_row->year )
+ continue;
+
+ $month = zeroise( $arc_row->month, 2 );
+ $year = $arc_row->year;
+
+ printf( "<option %s value='%s'>%s</option>\n",
+ selected( $m, $year . $month, false ),
+ esc_attr( $arc_row->year . $month ),
+ /* translators: 1: month name, 2: 4-digit year */
+ sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month ), $year )
+ );
+ }
+?>
+ </select>
+<?php
+ }
+
+ /**
+ * Display a view switcher
+ *
+ * @since 3.1.0
+ * @access protected
+ */
+ function view_switcher( $current_mode ) {
+ $modes = array(
+ 'list' => __( 'List View' ),
+ 'excerpt' => __( 'Excerpt View' )
+ );
+
+?>
+ <input type="hidden" name="mode" value="<?php echo esc_attr( $current_mode ); ?>" />
+ <div class="view-switch">
+<?php
+ foreach ( $modes as $mode => $title ) {
+ $class = ( $current_mode == $mode ) ? 'class="current"' : '';
+ echo "<a href='" . esc_url( add_query_arg( 'mode', $mode, $_SERVER['REQUEST_URI'] ) ) . "' $class><img id='view-switch-$mode' src='" . esc_url( includes_url( 'images/blank.gif' ) ) . "' width='20' height='20' title='$title' alt='$title' /></a>\n";
+ }
+ ?>
+ </div>
+<?php
+ }
+
+ /**
+ * Display a comment count bubble
+ *
+ * @since 3.1.0
+ * @access protected
+ *
+ * @param int $post_id
+ * @param int $pending_comments
+ */
+ function comments_bubble( $post_id, $pending_comments ) {
+ $pending_phrase = sprintf( __( '%s pending' ), number_format( $pending_comments ) );
+
+ if ( $pending_comments )
+ echo '<strong>';
+
+ echo "<a href='" . esc_url( add_query_arg( 'p', $post_id, admin_url( 'edit-comments.php' ) ) ) . "' title='" . esc_attr( $pending_phrase ) . "' class='post-com-count'><span class='comment-count'>" . number_format_i18n( get_comments_number() ) . "</span></a>";
+
+ if ( $pending_comments )
+ echo '</strong>';
+ }
+
+ /**
+ * Get the current page number
+ *
+ * @since 3.1.0
+ * @access protected
+ *
+ * @return int
+ */
+ function get_pagenum() {
+ $pagenum = isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 0;
+
+ if( isset( $this->_pagination_args['total_pages'] ) && $pagenum > $this->_pagination_args['total_pages'] )
+ $pagenum = $this->_pagination_args['total_pages'];
+
+ 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( $which ) {
+ if ( empty( $this->_pagination_args ) )
+ return;
+
+ extract( $this->_pagination_args, EXTR_SKIP );
+
+ $output = '<span class="displaying-num">' . sprintf( _n( '1 item', '%s items', $total_items ), number_format_i18n( $total_items ) ) . '</span>';
+
+ $current = $this->get_pagenum();
+
+ $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+
+ $current_url = remove_query_arg( array( 'hotkeys_highlight_last', 'hotkeys_highlight_first' ), $current_url );
+
+ $page_links = array();
+
+ $disable_first = $disable_last = '';
+ if ( $current == 1 )
+ $disable_first = ' disabled';
+ if ( $current == $total_pages )
+ $disable_last = ' disabled';
+
+ $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
+ 'first-page' . $disable_first,
+ esc_attr__( 'Go to the first page' ),
+ esc_url( remove_query_arg( 'paged', $current_url ) ),
+ '«'
+ );
+
+ $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
+ 'prev-page' . $disable_first,
+ esc_attr__( 'Go to the previous page' ),
+ esc_url( add_query_arg( 'paged', max( 1, $current-1 ), $current_url ) ),
+ '‹'
+ );
+
+ if ( 'bottom' == $which )
+ $html_current_page = $current;
+ else
+ $html_current_page = sprintf( "<input class='current-page' title='%s' type='text' name='paged' value='%s' size='%d' />",
+ esc_attr__( 'Current page' ),
+ $current,
+ strlen( $total_pages )
+ );
+
+ $html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
+ $page_links[] = '<span class="paging-input">' . sprintf( _x( '%1$s of %2$s', 'paging' ), $html_current_page, $html_total_pages ) . '</span>';
+
+ $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
+ 'next-page' . $disable_last,
+ esc_attr__( 'Go to the next page' ),
+ esc_url( add_query_arg( 'paged', min( $total_pages, $current+1 ), $current_url ) ),
+ '›'
+ );
+
+ $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
+ 'last-page' . $disable_last,
+ esc_attr__( 'Go to the last page' ),
+ esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ),
+ '»'
+ );
+
+ $pagination_links_class = 'pagination-links';
+ if ( ! empty( $infinite_scroll ) )
+ $pagination_links_class = ' hide-if-js';
+ $output .= "\n<span class='$pagination_links_class'>" . join( "\n", $page_links ) . '</span>';
+
+ if ( $total_pages )
+ $page_class = $total_pages < 2 ? ' one-page' : '';
+ else
+ $page_class = ' no-pages';
+
+ $this->_pagination = "<div class='tablenav-pages{$page_class}'>$output</div>";
+
+ echo $this->_pagination;
+ }
+
+ /**
+ * Get a list of columns. The format is:
+ * 'internal-name' => 'Title'
+ *
+ * @since 3.1.0
+ * @access protected
+ * @abstract
+ *
+ * @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;
+
+ $columns = get_column_headers( $this->screen );
+ $hidden = get_hidden_columns( $this->screen );
+
+ $_sortable = apply_filters( "manage_{$this->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 ) {
+ list( $columns, $hidden, $sortable ) = $this->get_column_info();
+
+ $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+ $current_url = remove_query_arg( 'paged', $current_url );
+
+ 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';
+
+ if ( ! empty( $columns['cb'] ) ) {
+ static $cb_counter = 1;
+ $columns['cb'] = '<label class="screen-reader-text" for="cb-select-all-' . $cb_counter . '">' . __( 'Select All' ) . '</label>'
+ . '<input id="cb-select-all-' . $cb_counter . '" type="checkbox" />';
+ $cb_counter++;
+ }
+
+ 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 = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '</span><span class="sorting-indicator"></span></a>';
+ }
+
+ $id = $with_id ? "id='$column_key'" : '';
+
+ if ( !empty( $class ) )
+ $class = "class='" . join( ' ', $class ) . "'";
+
+ echo "<th scope='col' $id $class $style>$column_display_name</th>";
+ }
+ }
+
+ /**
+ * Display the table
+ *
+ * @since 3.1.0
+ * @access public
+ */
+ function display() {
+ extract( $this->_args );
+
+ $this->display_tablenav( 'top' );
+
+?>
+<table class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>" cellspacing="0">
+ <thead>
+ <tr>
+ <?php $this->print_column_headers(); ?>
+ </tr>
+ </thead>
+
+ <tfoot>
+ <tr>
+ <?php $this->print_column_headers( false ); ?>
+ </tr>
+ </tfoot>
+
+ <tbody id="the-list"<?php if ( $singular ) echo " data-wp-lists='list:$singular'"; ?>>
+ <?php $this->display_rows_or_placeholder(); ?>
+ </tbody>
+</table>
+<?php
+ $this->display_tablenav( 'bottom' );
+ }
+
+ /**
+ * Get a list of CSS classes for the <table> 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'] );
+?>
+ <div class="tablenav <?php echo esc_attr( $which ); ?>">
+
+ <div class="alignleft actions bulkactions">
+ <?php $this->bulk_actions(); ?>
+ </div>
+<?php
+ $this->extra_tablenav( $which );
+ $this->pagination( $which );
+?>
+
+ <br class="clear" />
+ </div>
+<?php
+ }
+
+ /**
+ * Extra controls to be displayed between bulk actions and pagination
+ *
+ * @since 3.1.0
+ * @access protected
+ */
+ function extra_tablenav( $which ) {}
+
+ /**
+ * Generate the <tbody> part of the table
+ *
+ * @since 3.1.0
+ * @access protected
+ */
+ function display_rows_or_placeholder() {
+ if ( $this->has_items() ) {
+ $this->display_rows();
+ } else {
+ list( $columns, $hidden ) = $this->get_column_info();
+ echo '<tr class="no-items"><td class="colspanchange" colspan="' . $this->get_column_count() . '">';
+ $this->no_items();
+ echo '</td></tr>';
+ }
+ }
+
+ /**
+ * 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 '<tr' . $row_class . '>';
+ $this->single_row_columns( $item );
+ echo '</tr>';
+ }
+
+ /**
+ * 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 '<th scope="row" class="check-column">';
+ echo $this->column_cb( $item );
+ echo '</th>';
+ }
+ elseif ( method_exists( $this, 'column_' . $column_name ) ) {
+ echo "<td $attributes>";
+ echo call_user_func( array( $this, 'column_' . $column_name ), $item );
+ echo "</td>";
+ }
+ else {
+ echo "<td $attributes>";
+ echo $this->column_default( $item, $column_name );
+ echo "</td>";
+ }
+ }
+ }
+
+ /**
+ * 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, EXTR_SKIP );
+
+ ob_start();
+ if ( ! empty( $_REQUEST['no_placeholder'] ) )
+ $this->display_rows();
+ else
+ $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' => array(
+ 'id' => $this->screen->id,
+ 'base' => $this->screen->base,
+ )
+ );
+
+ printf( "<script type='text/javascript'>list_args = %s;</script>\n", json_encode( $args ) );
+ }
+}