/**
* AJAX callback for rendering icons popup.
*
* Outputs HTML
*
* @since 1.0.0
*/
public function icons_callback()
{
if (empty($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'appica-ajax')) {
die;
}
// Current icon, for repeated opening popup
$current = sanitize_text_field($_POST['current']);
$icons = Appica_Helpers::get_icons();
$html = '';
if (0 !== count($icons)) {
$_el = array();
/**
* @var string Template for single filterable icon
*/
$tpl = '<li data-filtertext="%1$s" %2$s><a href="#" class="appica-core-icon" data-icon="%1$s"><i class="%1$s"></i></a></li>';
$html .= '<form class="ui-filterable"><input type="text" id="appica-core-icons-filterable-input" class="widefat" data-type="search"></form>';
$html .= '<ul class="appica-core-filterable-icons clearfix" data-role="listview" data-filter="true" data-input="#appica-core-icons-filterable-input">';
foreach ((array) $icons as $icon) {
$active = $icon === $current ? 'class="active"' : '';
$_el[] = sprintf($tpl, $icon, $active);
}
$html .= implode('', $_el);
$html .= '</ul>';
} else {
$html .= '<p>' . __('No icons found', 'appica') . '</p>';
}
print $html;
die;
}
