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5daf12dba4
Removes title attributes where reasonable and uses accessible hidden text. Screen readers will now correctly read out all available information. Props afercia, rianrietveld. Fixes #32028. Built from https://develop.svn.wordpress.org/trunk@32693 git-svn-id: http://core.svn.wordpress.org/trunk@32663 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1224 lines
32 KiB
PHP
1224 lines
32 KiB
PHP
<?php
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/**
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* Base class for displaying a list of items in an ajaxified HTML table.
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*
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* @since 3.1.0
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* @access private
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*
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* @package WordPress
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* @subpackage List_Table
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*/
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class WP_List_Table {
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/**
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* The current list of items
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*
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* @since 3.1.0
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* @var array
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* @access public
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*/
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public $items;
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/**
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* Various information about the current table
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*
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* @since 3.1.0
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* @var array
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* @access protected
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*/
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protected $_args;
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/**
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* Various information needed for displaying the pagination
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*
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* @since 3.1.0
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* @var array
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*/
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protected $_pagination_args = array();
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/**
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* The current screen
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*
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* @since 3.1.0
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* @var object
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* @access protected
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*/
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protected $screen;
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/**
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* Cached bulk actions
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*
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* @since 3.1.0
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* @var array
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* @access private
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*/
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private $_actions;
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/**
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* Cached pagination output
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*
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* @since 3.1.0
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* @var string
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* @access private
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*/
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private $_pagination;
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/**
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* The view switcher modes.
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*
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* @since 4.1.0
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* @var array
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* @access protected
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*/
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protected $modes = array();
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/**
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* Stores the value returned by ->get_column_info()
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*
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* @var array
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*/
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protected $_column_headers;
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protected $compat_fields = array( '_args', '_pagination_args', 'screen', '_actions', '_pagination' );
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protected $compat_methods = array( 'set_pagination_args', 'get_views', 'get_bulk_actions', 'bulk_actions',
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'row_actions', 'months_dropdown', 'view_switcher', 'comments_bubble', 'get_items_per_page', 'pagination',
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'get_sortable_columns', 'get_column_info', 'get_table_classes', 'display_tablenav', 'extra_tablenav',
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'single_row_columns' );
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/**
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* Constructor.
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*
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* The child class should call this constructor from its own constructor to override
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* the default $args.
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*
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* @since 3.1.0
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* @access public
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*
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* @param array|string $args {
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* Array or string of arguments.
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*
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* @type string $plural Plural value used for labels and the objects being listed.
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* This affects things such as CSS class-names and nonces used
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* in the list table, e.g. 'posts'. Default empty.
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* @type string $singular Singular label for an object being listed, e.g. 'post'.
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* Default empty
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* @type bool $ajax Whether the list table supports AJAX. This includes loading
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* and sorting data, for example. If true, the class will call
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* the {@see _js_vars()} method in the footer to provide variables
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* to any scripts handling AJAX events. Default false.
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* @type string $screen String containing the hook name used to determine the current
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* screen. If left null, the current screen will be automatically set.
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* Default null.
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* }
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*/
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public function __construct( $args = array() ) {
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$args = wp_parse_args( $args, array(
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'plural' => '',
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'singular' => '',
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'ajax' => false,
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'screen' => null,
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) );
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$this->screen = convert_to_screen( $args['screen'] );
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add_filter( "manage_{$this->screen->id}_columns", array( $this, 'get_columns' ), 0 );
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if ( !$args['plural'] )
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$args['plural'] = $this->screen->base;
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$args['plural'] = sanitize_key( $args['plural'] );
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$args['singular'] = sanitize_key( $args['singular'] );
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$this->_args = $args;
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if ( $args['ajax'] ) {
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// wp_enqueue_script( 'list-table' );
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add_action( 'admin_footer', array( $this, '_js_vars' ) );
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}
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if ( empty( $this->modes ) ) {
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$this->modes = array(
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'list' => __( 'List View' ),
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'excerpt' => __( 'Excerpt View' )
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);
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}
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}
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/**
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* Make private properties readable for backwards compatibility.
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*
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* @since 4.0.0
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* @access public
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*
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* @param string $name Property to get.
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* @return mixed Property.
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*/
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public function __get( $name ) {
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if ( in_array( $name, $this->compat_fields ) ) {
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return $this->$name;
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}
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}
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/**
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* Make private properties settable for backwards compatibility.
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*
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* @since 4.0.0
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* @access public
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*
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* @param string $name Property to check if set.
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* @param mixed $value Property value.
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* @return mixed Newly-set property.
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*/
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public function __set( $name, $value ) {
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if ( in_array( $name, $this->compat_fields ) ) {
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return $this->$name = $value;
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}
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}
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/**
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* Make private properties checkable for backwards compatibility.
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*
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* @since 4.0.0
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* @access public
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*
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* @param string $name Property to check if set.
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* @return bool Whether the property is set.
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*/
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public function __isset( $name ) {
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if ( in_array( $name, $this->compat_fields ) ) {
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return isset( $this->$name );
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}
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}
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/**
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* Make private properties un-settable for backwards compatibility.
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*
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* @since 4.0.0
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* @access public
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*
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* @param string $name Property to unset.
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*/
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public function __unset( $name ) {
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if ( in_array( $name, $this->compat_fields ) ) {
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unset( $this->$name );
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}
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}
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/**
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* Make private/protected methods readable for backwards compatibility.
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*
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* @since 4.0.0
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* @access public
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*
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* @param callable $name Method to call.
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* @param array $arguments Arguments to pass when calling.
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* @return mixed|bool Return value of the callback, false otherwise.
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*/
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public function __call( $name, $arguments ) {
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if ( in_array( $name, $this->compat_methods ) ) {
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return call_user_func_array( array( $this, $name ), $arguments );
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}
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return false;
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}
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/**
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* Checks the current user's permissions
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*
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* @since 3.1.0
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* @access public
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* @abstract
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*/
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public function ajax_user_can() {
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die( 'function WP_List_Table::ajax_user_can() must be over-ridden in a sub-class.' );
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}
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/**
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* Prepares the list of items for displaying.
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* @uses WP_List_Table::set_pagination_args()
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*
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* @since 3.1.0
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* @access public
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* @abstract
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*/
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public function prepare_items() {
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die( 'function WP_List_Table::prepare_items() must be over-ridden in a sub-class.' );
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}
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/**
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* An internal method that sets all the necessary pagination arguments
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*
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* @param array $args An associative array with information about the pagination
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* @access protected
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*
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* @param array|string $args
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*/
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protected function set_pagination_args( $args ) {
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$args = wp_parse_args( $args, array(
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'total_items' => 0,
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'total_pages' => 0,
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'per_page' => 0,
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) );
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if ( !$args['total_pages'] && $args['per_page'] > 0 )
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$args['total_pages'] = ceil( $args['total_items'] / $args['per_page'] );
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// Redirect if page number is invalid and headers are not already sent.
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if ( ! headers_sent() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {
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wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) );
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exit;
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}
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$this->_pagination_args = $args;
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}
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/**
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* Access the pagination args.
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*
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* @since 3.1.0
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* @access public
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*
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* @param string $key Pagination argument to retrieve. Common values include 'total_items',
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* 'total_pages', 'per_page', or 'infinite_scroll'.
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* @return int Number of items that correspond to the given pagination argument.
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*/
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public function get_pagination_arg( $key ) {
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if ( 'page' == $key )
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return $this->get_pagenum();
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if ( isset( $this->_pagination_args[$key] ) )
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return $this->_pagination_args[$key];
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}
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/**
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* Whether the table has items to display or not
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*
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* @since 3.1.0
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* @access public
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*
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* @return bool
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*/
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public function has_items() {
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return !empty( $this->items );
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}
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/**
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* Message to be displayed when there are no items
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*
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* @since 3.1.0
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* @access public
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*/
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public function no_items() {
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_e( 'No items found.' );
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}
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/**
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* Display the search box.
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*
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* @since 3.1.0
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* @access public
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*
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* @param string $text The search button text
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* @param string $input_id The search input id
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*/
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public function search_box( $text, $input_id ) {
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if ( empty( $_REQUEST['s'] ) && !$this->has_items() )
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return;
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$input_id = $input_id . '-search-input';
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if ( ! empty( $_REQUEST['orderby'] ) )
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echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
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if ( ! empty( $_REQUEST['order'] ) )
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echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
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if ( ! empty( $_REQUEST['post_mime_type'] ) )
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echo '<input type="hidden" name="post_mime_type" value="' . esc_attr( $_REQUEST['post_mime_type'] ) . '" />';
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if ( ! empty( $_REQUEST['detached'] ) )
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echo '<input type="hidden" name="detached" value="' . esc_attr( $_REQUEST['detached'] ) . '" />';
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?>
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<p class="search-box">
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<label class="screen-reader-text" for="<?php echo $input_id ?>"><?php echo $text; ?>:</label>
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<input type="search" id="<?php echo $input_id ?>" name="s" value="<?php _admin_search_query(); ?>" />
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<?php submit_button( $text, 'button', '', false, array('id' => 'search-submit') ); ?>
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</p>
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<?php
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}
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/**
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* Get an associative array ( id => link ) with the list
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* of views available on this table.
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*
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* @since 3.1.0
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* @access protected
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*
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* @return array
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*/
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protected function get_views() {
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return array();
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}
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/**
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* Display the list of views available on this table.
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*
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* @since 3.1.0
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* @access public
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*/
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public function views() {
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$views = $this->get_views();
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/**
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* Filter the list of available list table views.
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*
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* The dynamic portion of the hook name, `$this->screen->id`, refers
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* to the ID of the current screen, usually a string.
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*
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* @since 3.5.0
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*
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* @param array $views An array of available list table views.
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*/
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$views = apply_filters( "views_{$this->screen->id}", $views );
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if ( empty( $views ) )
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return;
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echo "<ul class='subsubsub'>\n";
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foreach ( $views as $class => $view ) {
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$views[ $class ] = "\t<li class='$class'>$view";
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}
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echo implode( " |</li>\n", $views ) . "</li>\n";
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echo "</ul>";
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}
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/**
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* Get an associative array ( option_name => option_title ) with the list
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* of bulk actions available on this table.
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*
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* @since 3.1.0
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* @access protected
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*
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* @return array
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*/
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protected function get_bulk_actions() {
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return array();
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}
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/**
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* Display the bulk actions dropdown.
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*
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* @since 3.1.0
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* @access protected
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*
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* @param string $which The location of the bulk actions: 'top' or 'bottom'.
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* This is designated as optional for backwards-compatibility.
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*/
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protected function bulk_actions( $which = '' ) {
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if ( is_null( $this->_actions ) ) {
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$no_new_actions = $this->_actions = $this->get_bulk_actions();
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/**
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* Filter the list table Bulk Actions drop-down.
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*
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* The dynamic portion of the hook name, `$this->screen->id`, refers
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* to the ID of the current screen, usually a string.
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*
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* This filter can currently only be used to remove bulk actions.
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*
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* @since 3.5.0
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*
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* @param array $actions An array of the available bulk actions.
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*/
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$this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions );
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$this->_actions = array_intersect_assoc( $this->_actions, $no_new_actions );
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$two = '';
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} else {
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$two = '2';
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}
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if ( empty( $this->_actions ) )
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return;
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echo "<label for='bulk-action-selector-" . esc_attr( $which ) . "' class='screen-reader-text'>" . __( 'Select bulk action' ) . "</label>";
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echo "<select name='action$two' id='bulk-action-selector-" . esc_attr( $which ) . "'>\n";
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echo "<option value='-1' selected='selected'>" . __( 'Bulk Actions' ) . "</option>\n";
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foreach ( $this->_actions as $name => $title ) {
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$class = 'edit' == $name ? ' class="hide-if-no-js"' : '';
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echo "\t<option value='$name'$class>$title</option>\n";
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}
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echo "</select>\n";
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submit_button( __( 'Apply' ), 'action', '', false, array( 'id' => "doaction$two" ) );
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echo "\n";
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}
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/**
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* Get the current action selected from the bulk actions dropdown.
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*
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* @since 3.1.0
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* @access public
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*
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* @return string|false The action name or False if no action was selected
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*/
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public function current_action() {
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if ( isset( $_REQUEST['filter_action'] ) && ! empty( $_REQUEST['filter_action'] ) )
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return false;
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if ( isset( $_REQUEST['action'] ) && -1 != $_REQUEST['action'] )
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return $_REQUEST['action'];
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if ( isset( $_REQUEST['action2'] ) && -1 != $_REQUEST['action2'] )
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return $_REQUEST['action2'];
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return false;
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}
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/**
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* Generate row actions div
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*
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* @since 3.1.0
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* @access protected
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*
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* @param array $actions The list of actions
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* @param bool $always_visible Whether the actions should be always visible
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* @return string
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*/
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protected function row_actions( $actions, $always_visible = false ) {
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$action_count = count( $actions );
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$i = 0;
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if ( !$action_count )
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return '';
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$out = '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">';
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foreach ( $actions as $action => $link ) {
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++$i;
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( $i == $action_count ) ? $sep = '' : $sep = ' | ';
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$out .= "<span class='$action'>$link$sep</span>";
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}
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$out .= '</div>';
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return $out;
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}
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|
|
/**
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|
* Display a monthly dropdown for filtering items
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|
*
|
|
* @since 3.1.0
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* @access protected
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|
*
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|
* @global wpdb $wpdb
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* @global WP_Locale $wp_locale
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*
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* @param string $post_type
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*/
|
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protected function months_dropdown( $post_type ) {
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global $wpdb, $wp_locale;
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|
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/**
|
|
* Filter whether to remove the 'Months' drop-down from the post list table.
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*
|
|
* @since 4.2.0
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|
*
|
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* @param bool $disable Whether to disable the drop-down. Default false.
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* @param string $post_type The post type.
|
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*/
|
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if ( apply_filters( 'disable_months_dropdown', false, $post_type ) ) {
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return;
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}
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|
|
$months = $wpdb->get_results( $wpdb->prepare( "
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SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
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FROM $wpdb->posts
|
|
WHERE post_type = %s
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ORDER BY post_date DESC
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", $post_type ) );
|
|
|
|
/**
|
|
* Filter the 'Months' drop-down results.
|
|
*
|
|
* @since 3.7.0
|
|
*
|
|
* @param object $months The months drop-down 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;
|
|
?>
|
|
<label for="filter-by-date" class="screen-reader-text"><?php _e( 'Filter by date' ); ?></label>
|
|
<select name="m" id="filter-by-date">
|
|
<option<?php selected( $m, 0 ); ?> value="0"><?php _e( '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
|
|
*
|
|
* @param string $current_mode
|
|
*/
|
|
protected function view_switcher( $current_mode ) {
|
|
?>
|
|
<input type="hidden" name="mode" value="<?php echo esc_attr( $current_mode ); ?>" />
|
|
<div class="view-switch">
|
|
<?php
|
|
foreach ( $this->modes as $mode => $title ) {
|
|
$classes = array( 'view-' . $mode );
|
|
if ( $current_mode == $mode )
|
|
$classes[] = 'current';
|
|
printf(
|
|
"<a href='%s' class='%s' id='view-switch-$mode'><span class='screen-reader-text'>%s</span></a>\n",
|
|
esc_url( add_query_arg( 'mode', $mode ) ),
|
|
implode( ' ', $classes ),
|
|
$title
|
|
);
|
|
}
|
|
?>
|
|
</div>
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Display a comment count bubble
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @param int $post_id The post ID.
|
|
* @param int $pending_comments Number of pending comments.
|
|
*/
|
|
protected 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 public
|
|
*
|
|
* @return int
|
|
*/
|
|
public 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
|
|
*
|
|
* @param string $option
|
|
* @param int $default
|
|
* @return int
|
|
*/
|
|
protected 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;
|
|
|
|
/**
|
|
* Filter the number of items to be displayed on each page of the list table.
|
|
*
|
|
* The dynamic hook name, $option, refers to the `per_page` option depending
|
|
* on the type of list table in use. Possible values include: 'edit_comments_per_page',
|
|
* 'sites_network_per_page', 'site_themes_network_per_page', 'themes_network_per_page',
|
|
* 'users_network_per_page', 'edit_post_per_page', 'edit_page_per_page',
|
|
* 'edit_{$post_type}_per_page', etc.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $per_page Number of items to be displayed. Default 20.
|
|
*/
|
|
return (int) apply_filters( $option, $per_page );
|
|
}
|
|
|
|
/**
|
|
* Display the pagination.
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @param string $which
|
|
*/
|
|
protected function pagination( $which ) {
|
|
if ( empty( $this->_pagination_args ) ) {
|
|
return;
|
|
}
|
|
|
|
$total_items = $this->_pagination_args['total_items'];
|
|
$total_pages = $this->_pagination_args['total_pages'];
|
|
$infinite_scroll = false;
|
|
if ( isset( $this->_pagination_args['infinite_scroll'] ) ) {
|
|
$infinite_scroll = $this->_pagination_args['infinite_scroll'];
|
|
}
|
|
|
|
$output = '<span class="displaying-num">' . sprintf( _n( '%s 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();
|
|
|
|
$total_pages_before = '<span class="paging-input">';
|
|
$total_pages_after = '</span>';
|
|
|
|
$disable_first = $disable_last = '';
|
|
if ( $current == 1 ) {
|
|
$disable_first = ' disabled';
|
|
}
|
|
if ( $current == $total_pages ) {
|
|
$disable_last = ' disabled';
|
|
}
|
|
$page_links[] = sprintf( "<a class='%s' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
|
|
'first-page' . $disable_first,
|
|
esc_url( remove_query_arg( 'paged', $current_url ) ),
|
|
__( 'First page' ),
|
|
'«'
|
|
);
|
|
|
|
$page_links[] = sprintf( "<a class='%s' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
|
|
'prev-page' . $disable_first,
|
|
esc_url( add_query_arg( 'paged', max( 1, $current-1 ), $current_url ) ),
|
|
__( 'Previous page' ),
|
|
'‹'
|
|
);
|
|
|
|
if ( 'bottom' == $which ) {
|
|
$html_current_page = $current;
|
|
$total_pages_before = '<span id="table-paging" class="paging-input">';
|
|
} else {
|
|
$html_current_page = sprintf( "%s<input class='current-page' id='current-page-selector' type='text' name='paged' value='%s' size='%d' aria-describedby='table-paging' />",
|
|
'<label for="current-page-selector" class="screen-reader-text">' . __( 'Current Page' ) . '</label>',
|
|
$current,
|
|
strlen( $total_pages )
|
|
);
|
|
}
|
|
$html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
|
|
$page_links[] = $total_pages_before . sprintf( _x( '%1$s of %2$s', 'paging' ), $html_current_page, $html_total_pages ) . $total_pages_after;
|
|
|
|
$page_links[] = sprintf( "<a class='%s' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
|
|
'next-page' . $disable_last,
|
|
esc_url( add_query_arg( 'paged', min( $total_pages, $current+1 ), $current_url ) ),
|
|
__( 'Next page' ),
|
|
'›'
|
|
);
|
|
|
|
$page_links[] = sprintf( "<a class='%s' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
|
|
'last-page' . $disable_last,
|
|
esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ),
|
|
__( 'Last page' ),
|
|
'»'
|
|
);
|
|
|
|
$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 public
|
|
* @abstract
|
|
*
|
|
* @return array
|
|
*/
|
|
public 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
|
|
*/
|
|
protected function get_sortable_columns() {
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Get the name of the default primary column.
|
|
*
|
|
* @since 4.3.0
|
|
* @access protected
|
|
*
|
|
* @return string Name of the default primary column, in this case, an empty string.
|
|
*/
|
|
protected function get_default_primary_column_name() {
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Get the name of the primary column.
|
|
*
|
|
* @since 4.3.0
|
|
* @access protected
|
|
*
|
|
* @return string The name of the primary column.
|
|
*/
|
|
protected function get_primary_column_name() {
|
|
$columns = $this->get_columns();
|
|
$default = $this->get_default_primary_column_name();
|
|
|
|
/**
|
|
* Filter the name of the primary column for the current list table, with context
|
|
* as argument (eg: 'plugins').
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @param string $default Column name default for the specific list table, e.g. 'name'.
|
|
* @param string $context Screen ID for specific list table, e.g. 'plugins'.
|
|
*/
|
|
$column = apply_filters( 'list_table_primary_column', $default, $this->screen->id );
|
|
|
|
if ( empty( $column ) || ! isset( $columns[ $column ] ) ) {
|
|
$column = $default;
|
|
}
|
|
|
|
return $column;
|
|
}
|
|
|
|
/**
|
|
* Get a list of all, hidden and sortable columns, with filter applied
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @return array
|
|
*/
|
|
protected 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_columns = $this->get_sortable_columns();
|
|
/**
|
|
* Filter the list table sortable columns for a specific screen.
|
|
*
|
|
* The dynamic portion of the hook name, `$this->screen->id`, refers
|
|
* to the ID of the current screen, usually a string.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param array $sortable_columns An array of sortable columns.
|
|
*/
|
|
$_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $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;
|
|
}
|
|
|
|
$primary = $this->get_primary_column_name();
|
|
$this->_column_headers = array( $columns, $hidden, $sortable, $primary );
|
|
|
|
return $this->_column_headers;
|
|
}
|
|
|
|
/**
|
|
* Return number of visible columns
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*
|
|
* @return int
|
|
*/
|
|
public 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 public
|
|
*
|
|
* @staticvar int $cb_counter
|
|
*
|
|
* @param bool $with_id Whether to set the id attribute or not
|
|
*/
|
|
public 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
|
|
*/
|
|
public function display() {
|
|
$singular = $this->_args['singular'];
|
|
|
|
$this->display_tablenav( 'top' );
|
|
?>
|
|
<table class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>">
|
|
<thead>
|
|
<tr>
|
|
<?php $this->print_column_headers(); ?>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody id="the-list"<?php
|
|
if ( $singular ) {
|
|
echo " data-wp-lists='list:$singular'";
|
|
} ?>>
|
|
<?php $this->display_rows_or_placeholder(); ?>
|
|
</tbody>
|
|
|
|
<tfoot>
|
|
<tr>
|
|
<?php $this->print_column_headers( false ); ?>
|
|
</tr>
|
|
</tfoot>
|
|
|
|
</table>
|
|
<?php
|
|
$this->display_tablenav( 'bottom' );
|
|
}
|
|
|
|
/**
|
|
* Get a list of CSS classes for the list table table tag.
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @return array List of CSS classes for the table tag.
|
|
*/
|
|
protected function get_table_classes() {
|
|
return array( 'widefat', 'fixed', 'striped', $this->_args['plural'] );
|
|
}
|
|
|
|
/**
|
|
* Generate the table navigation above or below the table
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
* @param string $which
|
|
*/
|
|
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( $which ); ?>
|
|
</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
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|
* @access protected
|
|
*
|
|
* @param string $which
|
|
*/
|
|
protected function extra_tablenav( $which ) {}
|
|
|
|
/**
|
|
* Generate the tbody element for the list table.
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|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*/
|
|
public function display_rows_or_placeholder() {
|
|
if ( $this->has_items() ) {
|
|
$this->display_rows();
|
|
} else {
|
|
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 public
|
|
*/
|
|
public 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 public
|
|
*
|
|
* @param object $item The current item
|
|
*/
|
|
public function single_row( $item ) {
|
|
echo '<tr>';
|
|
$this->single_row_columns( $item );
|
|
echo '</tr>';
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param object $item
|
|
* @param string $column_name
|
|
*/
|
|
protected function column_default( $item, $column_name ) {}
|
|
|
|
/**
|
|
*
|
|
* @param object $item
|
|
*/
|
|
protected function column_cb( $item ) {}
|
|
|
|
/**
|
|
* Generates the columns for a single row of the table
|
|
*
|
|
* @since 3.1.0
|
|
* @access protected
|
|
*
|
|
* @param object $item The current item
|
|
*/
|
|
protected function single_row_columns( $item ) {
|
|
list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();
|
|
|
|
foreach ( $columns as $column_name => $column_display_name ) {
|
|
$classes = "$column_name column-$column_name";
|
|
if ( $primary === $column_name ) {
|
|
$classes .= ' has-row-actions column-primary';
|
|
}
|
|
|
|
$style = '';
|
|
if ( in_array( $column_name, $hidden ) ) {
|
|
$style = ' style="display:none;"';
|
|
}
|
|
|
|
$attributes = "class='$classes'$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 $this->handle_row_actions( $item, $column_name, $primary );
|
|
echo "</td>";
|
|
}
|
|
else {
|
|
echo "<td $attributes>";
|
|
echo $this->column_default( $item, $column_name );
|
|
echo $this->handle_row_actions( $item, $column_name, $primary );
|
|
echo "</td>";
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate and display row actions links
|
|
*
|
|
* @since 4.3.0
|
|
* @access protected
|
|
*
|
|
* @param object $item The item being acted upon.
|
|
* @param string $column_name Current column name.
|
|
* @param string $primary Primary column name.
|
|
* @return string The row actions output. In this case, an empty string.
|
|
*/
|
|
protected function handle_row_actions( $item, $column_name, $primary ) {
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Handle an incoming ajax request (called from admin-ajax.php)
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*/
|
|
public function ajax_response() {
|
|
$this->prepare_items();
|
|
|
|
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( $this->_pagination_args['total_items'] ) ) {
|
|
$response['total_items_i18n'] = sprintf(
|
|
_n( '%s item', '%s items', $this->_pagination_args['total_items'] ),
|
|
number_format_i18n( $this->_pagination_args['total_items'] )
|
|
);
|
|
}
|
|
if ( isset( $this->_pagination_args['total_pages'] ) ) {
|
|
$response['total_pages'] = $this->_pagination_args['total_pages'];
|
|
$response['total_pages_i18n'] = number_format_i18n( $this->_pagination_args['total_pages'] );
|
|
}
|
|
|
|
die( wp_json_encode( $response ) );
|
|
}
|
|
|
|
/**
|
|
* Send required variables to JavaScript land
|
|
*
|
|
* @access public
|
|
*/
|
|
public 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", wp_json_encode( $args ) );
|
|
}
|
|
}
|