'',
'singular' => '',
'ajax' => false
));
$screen = get_current_screen();
if (isset($screen->id)) { //workaround for CSS download
add_filter("manage_{$screen->id}_columns", array(&$this, 'get_columns'), 0);
}
if (!$args['plural'])
$args['plural'] = $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(&$this, '_js_vars'));
}
}
function ajax_user_can() {
die('function WP_List_Table::ajax_user_can() must be over-ridden in a sub-class.');
}
function prepare_items() {
die('function WP_List_Table::prepare_items() must be over-ridden in a sub-class.');
}
function set_pagination_args($args) {
$args = wp_parse_args($args, array(
'total_items' => 0,
'total_pages' => 0,
'per_page' => 0,
));
if (!$args['total_pages'] && $args['per_page'] > 0)
$args['total_pages'] = ceil($args['total_items'] / $args['per_page']);
// redirect if page number is invalid and headers are not already sent
if (!headers_sent() && (!defined('DOING_AJAX') || !DOING_AJAX ) && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages']) {
wp_redirect(add_query_arg('paged', $args['total_pages']));
exit;
}
$this->_pagination_args = $args;
}
function get_pagination_arg($key) {
if ('page' == $key)
return $this->get_pagenum();
if (isset($this->_pagination_args[$key]))
return $this->_pagination_args[$key];
}
function has_items() {
return !empty($this->items);
}
function no_items() {
_e('No items found.');
}
function search_box($text, $input_id) {
if (empty($_REQUEST['s']) && !$this->has_items())
return;
$input_id = $input_id . '-search-input';
if (!empty($_REQUEST['orderby']))
echo '';
if (!empty($_REQUEST['order']))
echo '';
?>
'search-submit')); ?>
get_views();
$views = apply_filters('views_' . $screen->id, $views);
if (empty($views))
return;
echo "\n";
foreach ($views as $class => $view) {
$views[$class] = "\t- $view";
}
echo implode(" |
\n", $views) . "\n";
echo "
";
}
function get_bulk_actions() {
return array();
}
function bulk_actions() {
$screen = get_current_screen();
if (is_null($this->_actions)) {
$no_new_actions = $this->_actions = $this->get_bulk_actions();
// This filter can currently only be used to remove actions.
$this->_actions = apply_filters('bulk_actions-' . $screen->id, $this->_actions);
$this->_actions = array_intersect_assoc($this->_actions, $no_new_actions);
$two = '';
} else {
$two = '2';
}
if (empty($this->_actions))
return;
echo "\n";
submit_button(__('Apply'), 'button-secondary action', false, false, array('id' => "doaction$two"));
echo "\n";
}
function current_action() {
if (isset($_REQUEST['action']) && -1 != $_REQUEST['action'])
return $_REQUEST['action'];
if (isset($_REQUEST['action2']) && -1 != $_REQUEST['action2'])
return $_REQUEST['action2'];
return false;
}
function row_actions($actions, $always_visible = false) {
$action_count = count($actions);
$i = 0;
if (!$action_count)
return '';
$out = '';
foreach ($actions as $action => $link) {
++$i;
( $i == $action_count ) ? $sep = '' : $sep = ' | ';
$out .= "$link$sep";
}
$out .= '
';
return $out;
}
function months_dropdown($post_type) {
global $wpdb, $wp_locale;
$months = $wpdb->get_results($wpdb->prepare("
SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
FROM $wpdb->posts
WHERE post_type = %s
ORDER BY post_date DESC
", $post_type));
$month_count = count($months);
if (!$month_count || ( 1 == $month_count && 0 == $months[0]->month ))
return;
$m = isset($_GET['m']) ? (int) $_GET['m'] : 0;
?>
__('List View'),
'excerpt' => __('Excerpt View')
);
?>
$title) {
$class = ( $current_mode == $mode ) ? 'class="current"' : '';
echo "
![$title](" . esc_url(includes_url( "$title")
\n";
}
?>
$output
";
echo $this->_pagination;
}
function get_columns() {
die('function WP_List_Table::get_columns() must be over-ridden in a sub-class.');
}
function get_sortable_columns() {
return array();
}
function get_column_info() {
if (isset($this->_column_headers))
return $this->_column_headers;
$screen = get_current_screen();
$columns = get_column_headers($screen);
$hidden = get_hidden_columns($screen);
$_sortable = apply_filters("manage_{$screen->id}_sortable_columns", $this->get_sortable_columns());
$sortable = array();
foreach ($_sortable as $id => $data) {
if (empty($data))
continue;
$data = (array) $data;
if (!isset($data[1]))
$data[1] = false;
$sortable[$id] = $data;
}
$this->_column_headers = array($columns, $hidden, $sortable);
return $this->_column_headers;
}
function get_column_count() {
list ( $columns, $hidden ) = $this->get_column_info();
$hidden = array_intersect(array_keys($columns), array_filter($hidden));
return count($columns) - count($hidden);
}
function print_column_headers($with_id = true) {
$screen = get_current_screen();
list( $columns, $hidden, $sortable ) = $this->get_column_info();
$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$current_url = remove_query_arg('paged', $current_url);
if (isset($_GET['orderby']))
$current_orderby = sanitize_text_field($_GET['orderby']);
else
$current_orderby = '';
if (isset($_GET['order']) && 'desc' == sanitize_text_field($_GET['order']))
$current_order = 'desc';
else
$current_order = 'asc';
foreach ($columns as $column_key => $column_display_name) {
$class = array('manage-column', "column-$column_key");
$style = '';
if (in_array($column_key, $hidden))
$style = 'display:none;';
$style = ' style="' . $style . '"';
if ('cb' == $column_key)
$class[] = 'check-column';
elseif (in_array($column_key, array('posts', 'comments', 'links')))
$class[] = 'num';
if (isset($sortable[$column_key])) {
list( $orderby, $desc_first ) = $sortable[$column_key];
if ($current_orderby == $orderby) {
$order = 'asc' == $current_order ? 'desc' : 'asc';
$class[] = 'sorted';
$class[] = $current_order;
} else {
$order = $desc_first ? 'desc' : 'asc';
$class[] = 'sortable';
$class[] = $desc_first ? 'asc' : 'desc';
}
$column_display_name = '' . $column_display_name . '';
}
$id = $with_id ? "id='$column_key'" : '';
if (!empty($class))
$class = "class='" . join(' ', $class) . "'";
echo "$column_display_name | ";
}
}
function display() {
extract($this->_args);
$this->display_tablenav('top');
?>
print_column_headers(); ?>
print_column_headers(false); ?>
>
display_rows_or_placeholder(); ?>
display_tablenav('bottom');
}
function get_table_classes() {
return array('widefat', 'fixed', $this->_args['plural']);
}
function display_tablenav($which) {
if ('top' == $which)
wp_nonce_field('bulk-' . $this->_args['plural']);
?>
bulk_actions($which); ?>
extra_tablenav($which);
$this->pagination($which);
?>
has_items()) {
$this->display_rows();
} else {
list( $columns, $hidden ) = $this->get_column_info();
echo '| ';
$this->no_items();
echo ' |
';
}
}
function display_rows() {
foreach ($this->items as $item)
$this->single_row($item);
}
function single_row($item) {
static $row_class = '';
$row_class = ( $row_class == '' ? ' class="alternate"' : '' );
echo '';
echo $this->single_row_columns($item);
echo '';
}
function single_row_columns($item) {
list( $columns, $hidden ) = $this->get_column_info();
foreach ($columns as $column_name => $column_display_name) {
$class = "class='$column_name column-$column_name'";
$style = '';
if (in_array($column_name, $hidden))
$style = ' style="display:none;"';
$attributes = "$class$style";
if ('cb' == $column_name) {
echo '';
echo $this->column_cb($item);
echo ' | ';
} elseif (method_exists($this, 'column_' . $column_name)) {
echo "";
echo call_user_func(array(&$this, 'column_' . $column_name), $item);
echo " | ";
} else {
echo "";
echo $this->column_default($item, $column_name);
echo " | ";
}
}
}
function ajax_response() {
$this->prepare_items();
extract($this->_args);
extract($this->_pagination_args);
ob_start();
if (!empty($_REQUEST['no_placeholder']))
$this->display_rows();
else
$this->display_rows_or_placeholder();
$rows = ob_get_clean();
$response = array('rows' => $rows);
if (isset($total_items))
$response['total_items_i18n'] = sprintf(_n('1 item', '%s items', $total_items), number_format_i18n($total_items));
if (isset($total_pages)) {
$response['total_pages'] = $total_pages;
$response['total_pages_i18n'] = number_format_i18n($total_pages);
}
die(json_encode($response));
}
function _js_vars() {
$current_screen = get_current_screen();
$args = array(
'class' => get_class($this),
'screen' => array(
'id' => $current_screen->id,
'base' => $current_screen->base,
)
);
printf("\n", json_encode($args));
}
}