/**
* Removes a theme from the list of sticky themes.
*
* @since 1.0.0
* @access public
* @param int $theme_id
* @return bool
*/
function thds_remove_sticky_theme($theme_id)
{
$theme_id = thds_get_theme_id($theme_id);
if (thds_is_theme_sticky($theme_id)) {
$stickies = thds_get_sticky_themes();
$key = array_search($theme_id, $stickies);
if (isset($stickies[$key])) {
unset($stickies[$key]);
return update_option('thds_sticky_themes', array_unique($stickies));
}
}
return false;
}
/**
* Callback function for handling post status changes.
*
* @since 1.0.0
* @access public
* @return void
*/
public function handler()
{
// Checks if the sticky toggle link was clicked.
if (isset($_GET['action']) && 'thds_toggle_sticky' === $_GET['action'] && isset($_GET['theme_id'])) {
$theme_id = absint(thds_get_theme_id($_GET['theme_id']));
// Verify the nonce.
check_admin_referer("thds_toggle_sticky_{$theme_id}");
if (thds_is_theme_sticky($theme_id)) {
thds_remove_sticky_theme($theme_id);
} else {
thds_add_sticky_theme($theme_id);
}
// Redirect to correct admin page.
$redirect = add_query_arg(array('updated' => 1), remove_query_arg(array('action', 'theme_id', '_wpnonce')));
wp_safe_redirect(esc_url_raw($redirect));
// Always exit for good measure.
exit;
}
return;
}
/**
* Save theme details settings on post save.
*
* @since 1.0.0
* @access public
* @param int $post_id
* @return void
*/
public function update($post_id)
{
$this->manager->update($post_id);
// Verify the nonce.
if (!isset($_POST['thds_theme_publish_box']) || !wp_verify_nonce($_POST['thds_theme_publish_box'], 'thds_theme_publish_box_nonce')) {
return;
}
// Is the sticky checkbox checked?
$should_stick = !empty($_POST['thds_theme_sticky']);
// If checked, add the theme if it is not sticky.
if ($should_stick && !thds_is_theme_sticky($post_id)) {
thds_add_sticky_theme($post_id);
} elseif (!$should_stick && thds_is_theme_sticky($post_id)) {
thds_remove_sticky_theme($post_id);
}
}
/**
* Filter the post class.
*
* @since 1.0.0
* @access public
* @param array $classes
* @param string $class
* @param int $post_id
* @return array
*/
function thds_post_class($classes, $class, $post_id)
{
if (thds_is_theme($post_id) && thds_is_theme_archive() && thds_is_theme_sticky($post_id) && !is_paged()) {
$classes[] = 'sticky';
}
return $classes;
}
