761 lines
17 KiB
PHP
761 lines
17 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Base class for displaying a list of items as an ajaxified html table
|
|
*
|
|
* @package WordPress
|
|
* @since 3.1.0
|
|
*/
|
|
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 private
|
|
*/
|
|
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 it's own constructor
|
|
*
|
|
* @param array $args An associative array with information about the current table
|
|
* @access protected
|
|
*/
|
|
function WP_List_Table( $args ) {
|
|
|
|
$args = wp_parse_args( $args, array(
|
|
'screen' => '',
|
|
'plural' => '',
|
|
'singular' => '',
|
|
'ajax' => true
|
|
) );
|
|
|
|
$this->_screen = $args['screen'];
|
|
|
|
if ( is_string( $this->_screen ) )
|
|
$this->_screen = convert_to_screen( $this->_screen );
|
|
|
|
if ( !$args['plural'] )
|
|
$args['plural'] = $this->_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 check_permissions() {
|
|
die( 'function WP_List_Table::check_permissions() 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( $args, array(
|
|
'query_var' => 'paged',
|
|
'total_items' => 0,
|
|
'total_pages' => 0,
|
|
'per_page' => 0,
|
|
) );
|
|
|
|
if ( !$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 $this->get_pagenum();
|
|
|
|
return @$this->_pagination_args[ $key ];
|
|
}
|
|
|
|
/**
|
|
* Wether 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.' );
|
|
}
|
|
|
|
/**
|
|
* 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 bulk actions dropdown.
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*/
|
|
function views() {
|
|
$views = $this->get_views();
|
|
$views = apply_filters( 'views_' . $this->_screen->base, $views );
|
|
|
|
if ( empty( $views ) )
|
|
return;
|
|
|
|
echo "<ul class='subsubsub'>\n";
|
|
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 ) ) {
|
|
$this->_actions = $this->get_bulk_actions();
|
|
$this->_actions = apply_filters( 'bulk_actions-' . $this->_screen->base, $this->_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 => $title )
|
|
echo "\t<option value='$name'>$title</option>\n";
|
|
echo "</select>\n";
|
|
|
|
echo "<input type='submit' value='" . esc_attr__( 'Apply' ) . "' name='doaction$two' id='doaction$two' class='button-secondary action' />\n";
|
|
}
|
|
|
|
/**
|
|
* Generate row actions div
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @param array $actions The list of actions
|
|
* @return string
|
|
*/
|
|
function row_actions( $actions ) {
|
|
$action_count = count( $actions );
|
|
$i = 0;
|
|
|
|
if ( !$action_count )
|
|
return '';
|
|
|
|
$out = '<div class="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 ) );
|
|
|
|
$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 ),
|
|
$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>';
|
|
|
|
$link = "<a href='" . add_query_arg( 'p', $post_id, admin_url('edit-comments.php') ) . "' title='$pending_phrase' class='post-com-count'><span class='comment-count'>%s</span></a>";
|
|
|
|
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 '</strong>';
|
|
}
|
|
|
|
/**
|
|
* Get the current page number
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @return int
|
|
*/
|
|
function get_pagenum( $query_var = 'paged' ) {
|
|
$pagenum = isset( $_REQUEST[$query_var] ) ? absint( $_REQUEST[$query_var] ) : 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 = '<span class="displaying-num">' . sprintf( _n( '1 item', '%s items', $total_items ), number_format_i18n( $total_items ) ) . '</span>';
|
|
|
|
$current = $this->get_pagenum( $query_var );
|
|
|
|
$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
|
|
|
|
$page_links = array();
|
|
|
|
$page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
|
|
'first-page',
|
|
esc_attr__( 'Go to the first page' ),
|
|
esc_url( remove_query_arg( $query_var, $current_url ) ),
|
|
'««'
|
|
);
|
|
|
|
$page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
|
|
'prev-page',
|
|
esc_attr__( 'Go to the previous page' ),
|
|
esc_url( add_query_arg( $query_var, max( 1, $current-1 ), $current_url ) ),
|
|
'«'
|
|
);
|
|
|
|
$html_current_page = sprintf( "<input class='current-page' title='%s' type='text' name='%s' value='%s' size='%d' />",
|
|
esc_attr__( 'Current page' ),
|
|
esc_attr( $query_var ),
|
|
number_format_i18n( $current ),
|
|
strlen( $total_pages )
|
|
);
|
|
$html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
|
|
$page_links[] = sprintf( _x( '%s of %s', 'paging' ), $html_current_page, $html_total_pages );
|
|
|
|
$page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
|
|
'next-page',
|
|
esc_attr__( 'Go to the next page' ),
|
|
esc_url( add_query_arg( $query_var, min( $total_pages, $current+1 ), $current_url ) ),
|
|
'»'
|
|
);
|
|
|
|
$page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>",
|
|
'last-page',
|
|
esc_attr__( 'Go to the last page' ),
|
|
esc_url( add_query_arg( $query_var, $total_pages, $current_url ) ),
|
|
'»»'
|
|
);
|
|
|
|
$output .= join( "\n", $page_links );
|
|
|
|
$this->_pagination = "<div class='tablenav-pages'>$output</div>";
|
|
|
|
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
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_sortable_columns() {
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Get a list of hidden columns.
|
|
*
|
|
* @since 3.1.0
|
|
* @access private
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_hidden_columns() {
|
|
return (array) get_user_option( 'manage' . $this->_screen->id. 'columnshidden' );
|
|
}
|
|
|
|
/**
|
|
* Get a list of all, hidden and sortable columns, with filter applied
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_column_headers() {
|
|
if ( !isset( $this->_column_headers ) ) {
|
|
$columns = apply_filters( 'manage_' . $this->_screen->id . '_columns', $this->get_columns() );
|
|
$sortable = apply_filters( 'manage_' . $this->_screen->id . '_sortable_columns', $this->get_sortable_columns() );
|
|
$hidden = $this->get_hidden_columns();
|
|
|
|
$this->_column_headers = array( $columns, $hidden, $sortable );
|
|
}
|
|
|
|
return $this->_column_headers;
|
|
}
|
|
|
|
/**
|
|
* Print column headers, accounting for hidden and sortable columns.
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @param bool $with_id Wether to set the id attribute or not
|
|
*/
|
|
function print_column_headers( $with_id = true ) {
|
|
$screen = $this->_screen;
|
|
|
|
list( $columns, $hidden, $sortable ) = $this->get_column_headers();
|
|
|
|
$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] ) ) {
|
|
$orderby = $sortable[$column_key];
|
|
if ( $current_orderby == $orderby ) {
|
|
$order = 'asc' == $current_order ? 'desc' : 'asc';
|
|
$class[] = "sorted-$current_order";
|
|
} else {
|
|
$order = 'asc';
|
|
$class[] = 'sortable';
|
|
}
|
|
$column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '">' . $column_display_name . '</a>';
|
|
$column_display_name .= '<div class="sorting-indicator"></div>';
|
|
}
|
|
|
|
$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 or a message if there are no items
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*/
|
|
function display() {
|
|
if ( $this->has_items() ) {
|
|
$this->display_table();
|
|
} else {
|
|
echo '<br class="clear">';
|
|
$this->extra_tablenav( 'top' );
|
|
echo '<br class="clear">';
|
|
echo '<p>';
|
|
$this->no_items();
|
|
echo '</p>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a list of CSS classes for the <table> tag
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_table_classes() {
|
|
extract( $this->_args );
|
|
|
|
return array( 'widefat', 'fixed', $plural );
|
|
}
|
|
|
|
/**
|
|
* Display the full table
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*/
|
|
function display_table() {
|
|
extract( $this->_args );
|
|
|
|
$this->display_tablenav( 'top' );
|
|
|
|
?>
|
|
<table class="<?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 ( $singular ) echo " class='list:$singular'"; ?>>
|
|
<?php $this->display_rows(); ?>
|
|
</tbody>
|
|
</table>
|
|
<?php
|
|
|
|
$this->display_tablenav( 'bottom' );
|
|
}
|
|
|
|
/**
|
|
* 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">
|
|
|
|
<div class="alignleft actions">
|
|
<?php $this->bulk_actions( $which ); ?>
|
|
</div>
|
|
|
|
<?php
|
|
$this->extra_tablenav( $which );
|
|
$this->pagination( $which );
|
|
?>
|
|
|
|
<br class="clear">
|
|
</div>
|
|
|
|
<br class="clear">
|
|
<?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() {
|
|
die( 'function WP_List_Table::display_rows() must be over-ridden in a sub-class.' );
|
|
}
|
|
|
|
/**
|
|
* Handle an incoming ajax request (called from admin-ajax.php)
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*/
|
|
function ajax_response() {
|
|
$this->check_permissions();
|
|
$this->prepare_items();
|
|
|
|
extract( $this->_args );
|
|
extract( $this->_pagination_args );
|
|
|
|
ob_start();
|
|
$this->display_rows();
|
|
$rows = ob_get_clean();
|
|
|
|
die( json_encode( array(
|
|
'rows' => $rows,
|
|
'total_items' => sprintf( _n( '1 item', '%s items', $total_items ), number_format_i18n( $total_items ) ),
|
|
'total_pages' => $total_pages
|
|
) ) );
|
|
}
|
|
|
|
/**
|
|
* Send required variables to JavaScript land
|
|
*
|
|
* @access private
|
|
*/
|
|
function _js_vars() {
|
|
extract( $this->_args );
|
|
|
|
$class = get_class( $this );
|
|
|
|
printf( "<script type='text/javascript'>list_args = %s;</script>\n",
|
|
json_encode( compact( 'screen', 'class' ) )
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetch an instance of a WP_List_Table class
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param string $type The type of the list table
|
|
* @return object
|
|
*/
|
|
function get_list_table( $type ) {
|
|
require_once( ABSPATH . '/wp-admin/includes/default-list-tables.php' );
|
|
|
|
$class = 'WP_' . strtr( ucwords( strtr( $type, '-', ' ') ), ' ', '_' ) . '_Table';
|
|
$class = apply_filters( "get_list_table_$type", $class );
|
|
|
|
return new $class;
|
|
}
|
|
|