/**
* Is doing ajax
*
* @since 2.3.4
*/
function cac_is_doing_ajax()
{
if (!defined('DOING_AJAX') || !DOING_AJAX) {
return false;
}
$is_doing_ajax = cac_wp_is_doing_ajax() || isset($_REQUEST['storage_model']);
return apply_filters('cac/is_doing_ajax', $is_doing_ajax);
}
/**
* Only set columns on current screens or on specific ajax calls
*
* @since 2.4.9
*/
public function set_columns()
{
// Listings screen
$storage_model = $this->get_current_storage_model();
// WP Ajax calls (not AC)
if ($model = cac_wp_is_doing_ajax()) {
$storage_model = $this->get_storage_model($model);
}
if ($storage_model) {
$storage_model->init_layout();
$storage_model->init_manage_columns();
}
}
/**
* @since 2.0
*/
public function add_headings($columns)
{
if (empty($columns)) {
return $columns;
}
// for the rare case where a screen hasn't been set yet and a
// plugin uses a custom version of apply_filters( "manage_{$screen->id}_columns", array() )
if (!get_current_screen() && !cac_wp_is_doing_ajax()) {
return $columns;
}
// Stores the default columns on the listings screen
$this->store_default_columns($columns);
// make sure we run this only once
if ($this->column_headings) {
return $this->column_headings;
}
$stored_columns = $this->get_stored_columns();
if (!$stored_columns) {
return $columns;
}
$this->column_headings = array();
// add mandatory checkbox
if (isset($columns['cb'])) {
$this->column_headings['cb'] = $columns['cb'];
}
$types = array_keys($this->get_column_types());
// add active stored headings
foreach ($stored_columns as $column_name => $options) {
// Label needs stripslashes() for HTML tagged labels, like icons and checkboxes
$label = stripslashes($options['label']);
// Remove 3rd party columns that are no longer available (deactivated or removed from code)
if (!in_array($options['type'], $types)) {
continue;
}
/**
* Filter the stored column headers label for use in a WP_List_Table
* Label needs stripslashes() for HTML tagged labels, like icons and checkboxes
*
* @since 2.0
*
* @param string $label Label
* @param string $column_name Column name
* @param array $options Column options
* @param CPAC_Storage_Model $storage_model Storage model class instance
*/
$label = apply_filters('cac/headings/label', $label, $column_name, $options, $this);
$label = str_replace('[cpac_site_url]', site_url(), $label);
$this->column_headings[$column_name] = $label;
}
// Add 3rd party columns that have ( or could ) not been stored.
// For example when a plugin has been activated after storing column settings.
// When $diff contains items, it means an available column has not been stored.
if (!$this->is_using_php_export() && ($diff = array_diff(array_keys($columns), array_keys((array) $this->get_default_stored_columns())))) {
foreach ($diff as $column_name) {
$this->column_headings[$column_name] = $columns[$column_name];
}
}
return $this->column_headings;
}
