get_column_info().
*
* @since 4.1.0
* @var array
*/
protected $_column_headers;
/**
* {@internal Missing Summary}
*
* @var array
*/
protected $compat_fields = array( '_args', '_pagination_args', 'screen', '_actions', '_pagination' );
/**
* {@internal Missing Summary}
*
* @var array
*/
protected $compat_methods = array(
'set_pagination_args',
'get_views',
'get_bulk_actions',
'bulk_actions',
'row_actions',
'months_dropdown',
'view_switcher',
'comments_bubble',
'get_items_per_page',
'pagination',
'get_sortable_columns',
'get_column_info',
'get_table_classes',
'display_tablenav',
'extra_tablenav',
'single_row_columns',
);
/**
* Constructor.
*
* The child class should call this constructor from its own constructor to override
* the default $args.
*
* @since 3.1.0
*
* @param array|string $args {
* Array or string of arguments.
*
* @type string $plural Plural value used for labels and the objects being listed.
* This affects things such as CSS class-names and nonces used
* in the list table, e.g. 'posts'. Default empty.
* @type string $singular Singular label for an object being listed, e.g. 'post'.
* Default empty
* @type bool $ajax Whether the list table supports Ajax. This includes loading
* and sorting data, for example. If true, the class will call
* the _js_vars() method in the footer to provide variables
* to any scripts handling Ajax events. Default false.
* @type string $screen String containing the hook name used to determine the current
* screen. If left null, the current screen will be automatically set.
* Default null.
* }
*/
public 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' ) );
}
if ( empty( $this->modes ) ) {
$this->modes = array(
'list' => __( 'Compact view' ),
'excerpt' => __( 'Extended view' ),
);
}
}
/**
* Make private properties readable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Property to get.
* @return mixed Property.
*/
public function __get( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
return $this->$name;
}
}
/**
* Make private properties settable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Property to check if set.
* @param mixed $value Property value.
* @return mixed Newly-set property.
*/
public function __set( $name, $value ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
return $this->$name = $value;
}
}
/**
* Make private properties checkable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Property to check if set.
* @return bool Whether the property is a back-compat property and it is set.
*/
public function __isset( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
return isset( $this->$name );
}
return false;
}
/**
* Make private properties un-settable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Property to unset.
*/
public function __unset( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
unset( $this->$name );
}
}
/**
* Make private/protected methods readable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Method to call.
* @param array $arguments Arguments to pass when calling.
* @return mixed|bool Return value of the callback, false otherwise.
*/
public function __call( $name, $arguments ) {
if ( in_array( $name, $this->compat_methods, true ) ) {
return $this->$name( ...$arguments );
}
return false;
}
/**
* Checks the current user's permissions
*
* @since 3.1.0
* @abstract
*/
public function ajax_user_can() {
die( 'function WP_List_Table::ajax_user_can() must be overridden in a subclass.' );
}
/**
* Prepares the list of items for displaying.
*
* @uses WP_List_Table::set_pagination_args()
*
* @since 3.1.0
* @abstract
*/
public function prepare_items() {
die( 'function WP_List_Table::prepare_items() must be overridden in a subclass.' );
}
/**
* An internal method that sets all the necessary pagination arguments
*
* @since 3.1.0
*
* @param array|string $args Array or string of arguments with information about the pagination.
*/
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() && ! wp_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
*
* @param string $key Pagination argument to retrieve. Common values include 'total_items',
* 'total_pages', 'per_page', or 'infinite_scroll'.
* @return int Number of items that correspond to the given pagination argument.
*/
public function get_pagination_arg( $key ) {
if ( 'page' === $key ) {
return $this->get_pagenum();
}
if ( isset( $this->_pagination_args[ $key ] ) ) {
return $this->_pagination_args[ $key ];
}
return 0;
}
/**
* Whether the table has items to display or not
*
* @since 3.1.0
*
* @return bool
*/
public function has_items() {
return ! empty( $this->items );
}
/**
* Message to be displayed when there are no items
*
* @since 3.1.0
*/
public function no_items() {
_e( 'No items found.' );
}
/**
* Displays the search box.
*
* @since 3.1.0
*
* @param string $text The 'submit' button label.
* @param string $input_id ID attribute value for the search input field.
*/
public 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 '
:
$link_data'
),
'6.1.0'
);
return array( '' );
}
$views_links = array();
foreach ( $link_data as $view => $link ) {
if ( empty( $link['url'] ) || ! is_string( $link['url'] ) || '' === trim( $link['url'] ) ) {
_doing_it_wrong(
__METHOD__,
sprintf(
/* translators: %1$s: The argument name. %2$s: The view name. */
__( 'The %1$s argument must be a non-empty string for %2$s.' ),
'url',
'' . esc_html( $view ) . ''
),
'6.1.0'
);
continue;
}
if ( empty( $link['label'] ) || ! is_string( $link['label'] ) || '' === trim( $link['label'] ) ) {
_doing_it_wrong(
__METHOD__,
sprintf(
/* translators: %1$s: The argument name. %2$s: The view name. */
__( 'The %1$s argument must be a non-empty string for %2$s.' ),
'label',
'' . esc_html( $view ) . ''
),
'6.1.0'
);
continue;
}
$views_links[ $view ] = sprintf(
'%s ',
esc_url( $link['url'] ),
isset( $link['current'] ) && true === $link['current'] ? ' class="current" aria-current="page"' : '',
$link['label']
);
}
return $views_links;
}
/**
* Gets the list of views available on this table.
*
* The format is an associative array:
* - `'id' => 'link'`
*
* @since 3.1.0
*
* @return array
*/
protected function get_views() {
return array();
}
/**
* Displays the list of views available on this table.
*
* @since 3.1.0
*/
public function views() {
$views = $this->get_views();
/**
* Filters the list of available list table views.
*
* The dynamic portion of the hook name, `$this->screen->id`, refers
* to the ID of the current screen.
*
* @since 3.1.0
*
* @param string[] $views An array of available list table views.
*/
$views = apply_filters( "views_{$this->screen->id}", $views );
if ( empty( $views ) ) {
return;
}
$this->screen->render_screen_reader_content( 'heading_views' );
echo "\n";
foreach ( $views as $class => $view ) {
$views[ $class ] = "\t$view";
}
echo implode( " | \n", $views ) . "\n";
echo ' ';
}
/**
* Retrieves the list of bulk actions available for this table.
*
* The format is an associative array where each element represents either a top level option value and label, or
* an array representing an optgroup and its options.
*
* For a standard option, the array element key is the field value and the array element value is the field label.
*
* For an optgroup, the array element key is the label and the array element value is an associative array of
* options as above.
*
* Example:
*
* [
* 'edit' => 'Edit',
* 'delete' => 'Delete',
* 'Change State' => [
* 'feature' => 'Featured',
* 'sale' => 'On Sale',
* ]
* ]
*
* @since 3.1.0
* @since 5.6.0 A bulk action can now contain an array of options in order to create an optgroup.
*
* @return array
*/
protected function get_bulk_actions() {
return array();
}
/**
* Displays the bulk actions dropdown.
*
* @since 3.1.0
*
* @param string $which The location of the bulk actions: 'top' or 'bottom'.
* This is designated as optional for backward compatibility.
*/
protected function bulk_actions( $which = '' ) {
if ( is_null( $this->_actions ) ) {
$this->_actions = $this->get_bulk_actions();
/**
* Filters the items in the bulk actions menu of the list table.
*
* The dynamic portion of the hook name, `$this->screen->id`, refers
* to the ID of the current screen.
*
* @since 3.1.0
* @since 5.6.0 A bulk action can now contain an array of options in order to create an optgroup.
*
* @param array $actions An array of the available bulk actions.
*/
$this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
$two = '';
} else {
$two = '2';
}
if ( empty( $this->_actions ) ) {
return;
}
echo '' .
/* translators: Hidden accessibility text. */
__( 'Select bulk action' ) .
' ';
echo '\n";
echo '' . __( 'Bulk actions' ) . " \n";
foreach ( $this->_actions as $key => $value ) {
if ( is_array( $value ) ) {
echo "\t" . '' . "\n";
foreach ( $value as $name => $title ) {
$class = ( 'edit' === $name ) ? ' class="hide-if-no-js"' : '';
echo "\t\t" . '' . $title . " \n";
}
echo "\t" . " \n";
} else {
$class = ( 'edit' === $key ) ? ' class="hide-if-no-js"' : '';
echo "\t" . '' . $value . " \n";
}
}
echo " \n";
submit_button( __( 'Apply' ), 'action', '', false, array( 'id' => "doaction$two" ) );
echo "\n";
}
/**
* Gets the current action selected from the bulk actions dropdown.
*
* @since 3.1.0
*
* @return string|false The action name. False if no action was selected.
*/
public function current_action() {
if ( isset( $_REQUEST['filter_action'] ) && ! empty( $_REQUEST['filter_action'] ) ) {
return false;
}
if ( isset( $_REQUEST['action'] ) && -1 != $_REQUEST['action'] ) {
return $_REQUEST['action'];
}
return false;
}
/**
* Generates the required HTML for a list of row action links.
*
* @since 3.1.0
*
* @param string[] $actions An array of action links.
* @param bool $always_visible Whether the actions should be always visible.
* @return string The HTML for the row actions.
*/
protected function row_actions( $actions, $always_visible = false ) {
$action_count = count( $actions );
if ( ! $action_count ) {
return '';
}
$mode = get_user_setting( 'posts_list_mode', 'list' );
if ( 'excerpt' === $mode ) {
$always_visible = true;
}
$output = '';
$i = 0;
foreach ( $actions as $action => $link ) {
++$i;
$separator = ( $i < $action_count ) ? ' | ' : '';
$output .= "{$link}{$separator} ";
}
$output .= '
';
$output .= '' .
/* translators: Hidden accessibility text. */
__( 'Show more details' ) .
' labels->filter_by_date; ?>
value="0">
year ) {
continue;
}
$month = zeroise( $arc_row->month, 2 );
$year = $arc_row->year;
printf(
"%s \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 )
);
}
?>
modes as $mode => $title ) {
$classes = array( 'view-' . $mode );
$aria_current = '';
if ( $current_mode === $mode ) {
$classes[] = 'current';
$aria_current = ' aria-current="page"';
}
printf(
"
%s \n",
esc_url( remove_query_arg( 'attachment-filter', add_query_arg( 'mode', $mode ) ) ),
implode( ' ', $classes ),
$title
);
}
?>
%s ',
__( 'No comments' )
);
} elseif ( $approved_comments && 'trash' === get_post_status( $post_id ) ) {
// Don't link the comment bubble for a trashed post.
printf(
'%s %s %s %s ' . sprintf(
/* translators: %s: Number of items. */
_n( '%s item', '%s items', $total_items ),
number_format_i18n( $total_items )
) . ' ';
$current = $this->get_pagenum();
$removable_query_args = wp_removable_query_args();
$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
$current_url = remove_query_arg( $removable_query_args, $current_url );
$page_links = array();
$total_pages_before = '';
$total_pages_after = ' ';
$disable_first = false;
$disable_last = false;
$disable_prev = false;
$disable_next = false;
if ( 1 == $current ) {
$disable_first = true;
$disable_prev = true;
}
if ( $total_pages == $current ) {
$disable_last = true;
$disable_next = true;
}
if ( $disable_first ) {
$page_links[] = '« ';
} else {
$page_links[] = sprintf(
"%s %s ‹ ';
} else {
$page_links[] = sprintf(
"%s %s ' .
/* translators: Hidden accessibility text. */
__( 'Current Page' ) .
' ';
} else {
$html_current_page = sprintf(
"%s",
'' .
/* translators: Hidden accessibility text. */
__( 'Current Page' ) .
' ',
$current,
strlen( $total_pages )
);
}
$html_total_pages = sprintf( "%s ", number_format_i18n( $total_pages ) );
$page_links[] = $total_pages_before . sprintf(
/* translators: 1: Current page, 2: Total pages. */
_x( '%1$s of %2$s', 'paging' ),
$html_current_page,
$html_total_pages
) . $total_pages_after;
if ( $disable_next ) {
$page_links[] = '› ';
} else {
$page_links[] = sprintf(
"%s %s » ';
} else {
$page_links[] = sprintf(
"%s %s $output
";
echo $this->_pagination;
}
/**
* Gets a list of columns.
*
* The format is:
* - `'internal-name' => 'Title'`
*
* @since 3.1.0
* @abstract
*
* @return array
*/
public function get_columns() {
die( 'function WP_List_Table::get_columns() must be overridden in a subclass.' );
}
/**
* Gets a list of sortable columns.
*
* The format is:
* - `'internal-name' => 'orderby'`
* - `'internal-name' => array( 'orderby', 'asc' )` - The second element sets the initial sorting order.
* - `'internal-name' => array( 'orderby', true )` - The second element makes the initial order descending.
*
* @since 3.1.0
*
* @return array
*/
protected function get_sortable_columns() {
return array();
}
/**
* Gets the name of the default primary column.
*
* @since 4.3.0
*
* @return string Name of the default primary column, in this case, an empty string.
*/
protected function get_default_primary_column_name() {
$columns = $this->get_columns();
$column = '';
if ( empty( $columns ) ) {
return $column;
}
// We need a primary defined so responsive views show something,
// so let's fall back to the first non-checkbox column.
foreach ( $columns as $col => $column_name ) {
if ( 'cb' === $col ) {
continue;
}
$column = $col;
break;
}
return $column;
}
/**
* Public wrapper for WP_List_Table::get_default_primary_column_name().
*
* @since 4.4.0
*
* @return string Name of the default primary column.
*/
public function get_primary_column() {
return $this->get_primary_column_name();
}
/**
* Gets the name of the primary column.
*
* @since 4.3.0
*
* @return string The name of the primary column.
*/
protected function get_primary_column_name() {
$columns = get_column_headers( $this->screen );
$default = $this->get_default_primary_column_name();
// If the primary column doesn't exist,
// fall back to the first non-checkbox column.
if ( ! isset( $columns[ $default ] ) ) {
$default = self::get_default_primary_column_name();
}
/**
* Filters the name of the primary column for the current list table.
*
* @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;
}
/**
* Gets a list of all, hidden, and sortable columns, with filter applied.
*
* @since 3.1.0
*
* @return array
*/
protected function get_column_info() {
// $_column_headers is already set / cached.
if (
isset( $this->_column_headers ) &&
is_array( $this->_column_headers )
) {
/*
* Backward compatibility for `$_column_headers` format prior to WordPress 4.3.
*
* In WordPress 4.3 the primary column name was added as a fourth item in the
* column headers property. This ensures the primary column name is included
* in plugins setting the property directly in the three item format.
*/
if ( 4 === count( $this->_column_headers ) ) {
return $this->_column_headers;
}
$column_headers = array( array(), array(), array(), $this->get_primary_column_name() );
foreach ( $this->_column_headers as $key => $value ) {
$column_headers[ $key ] = $value;
}
$this->_column_headers = $column_headers;
return $this->_column_headers;
}
$columns = get_column_headers( $this->screen );
$hidden = get_hidden_columns( $this->screen );
$sortable_columns = $this->get_sortable_columns();
/**
* Filters the list table sortable columns for a specific screen.
*
* The dynamic portion of the hook name, `$this->screen->id`, refers
* to the ID of the current screen.
*
* @since 3.1.0
*
* @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;
}
/**
* Returns the number of visible columns.
*
* @since 3.1.0
*
* @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 );
}
/**
* Prints column headers, accounting for hidden and sortable columns.
*
* @since 3.1.0
*
* @param bool $with_id Whether to set the ID attribute or not
*/
public function print_column_headers( $with_id = true ) {
list( $columns, $hidden, $sortable, $primary ) = $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'] = '' .
/* translators: Hidden accessibility text. */
__( 'Select All' ) .
' ' .
'%s
print_column_headers(); ?>
>
display_rows_or_placeholder(); ?>
print_column_headers( false ); ?>
display_tablenav( 'bottom' );
}
/**
* Gets a list of CSS classes for the WP_List_Table table tag.
*
* @since 3.1.0
*
* @return string[] Array of CSS classes for the table tag.
*/
protected function get_table_classes() {
$mode = get_user_setting( 'posts_list_mode', 'list' );
$mode_class = esc_attr( 'table-view-' . $mode );
return array( 'widefat', 'fixed', 'striped', $mode_class, $this->_args['plural'] );
}
/**
* Generates the table navigation above or below the table
*
* @since 3.1.0
* @param string $which
*/
protected function display_tablenav( $which ) {
if ( 'top' === $which ) {
wp_nonce_field( 'bulk-' . $this->_args['plural'] );
}
?>
has_items() ) : ?>
bulk_actions( $which ); ?>
extra_tablenav( $which );
$this->pagination( $which );
?>
';
$this->no_items();
echo ' ';
$this->single_row_columns( $item );
echo ' ';
}
/**
* @param object|array $item
* @param string $column_name
*/
protected function column_default( $item, $column_name ) {}
/**
* @param object|array $item
*/
protected function column_cb( $item ) {}
/**
* Generates the columns for a single row of the table.
*
* @since 3.1.0
*
* @param object|array $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';
}
if ( in_array( $column_name, $hidden, true ) ) {
$classes .= ' hidden';
}
// Comments column uses HTML in the display name with screen reader text.
// Strip tags to get closer to a user-friendly string.
$data = 'data-colname="' . esc_attr( wp_strip_all_tags( $column_display_name ) ) . '"';
$attributes = "class='$classes' $data";
if ( 'cb' === $column_name ) {
echo ' ';
echo $this->column_cb( $item );
echo ' ';
} elseif ( method_exists( $this, '_column_' . $column_name ) ) {
echo call_user_func(
array( $this, '_column_' . $column_name ),
$item,
$classes,
$data,
$primary
);
} elseif ( method_exists( $this, 'column_' . $column_name ) ) {
echo "";
echo call_user_func( array( $this, 'column_' . $column_name ), $item );
echo $this->handle_row_actions( $item, $column_name, $primary );
echo ' ';
} else {
echo "";
echo $this->column_default( $item, $column_name );
echo $this->handle_row_actions( $item, $column_name, $primary );
echo ' ';
}
}
}
/**
* Generates and display row actions links for the list table.
*
* @since 4.3.0
*
* @param object|array $item The item being acted upon.
* @param string $column_name Current column name.
* @param string $primary Primary column name.
* @return string The row actions HTML, or an empty string
* if the current column is not the primary column.
*/
protected function handle_row_actions( $item, $column_name, $primary ) {
return $column_name === $primary ? '' .
/* translators: Hidden accessibility text. */
__( 'Show more details' ) .
'