public static function init()
{
self::$license_key = trim(get_option(self::LICENSE_KEY_OPTION, ''));
self::$license_status = get_option(self::LICENSE_STATUS, false);
self::register_settings();
if (is_admin()) {
add_action('admin_init', array(__CLASS__, 'init_edd_udpater'));
// AJAX
add_action('wp_ajax_si_activate_license', array(__CLASS__, 'maybe_activate_license'), 10, 0);
add_action('wp_ajax_si_deactivate_license', array(__CLASS__, 'maybe_deactivate_license'), 10, 0);
add_action('wp_ajax_si_check_license', array(__CLASS__, 'maybe_check_license'), 10, 0);
}
}
<div class="activation_inputs clearfix">
<input type="text" name="<?php
echo SI_Updates::LICENSE_KEY_OPTION;
?>
" id="<?php
echo SI_Updates::LICENSE_KEY_OPTION;
?>
" value="<?php
echo SI_Updates::license_key();
?>
" class="text-input fat-input <?php
echo 'license_' . SI_Updates::license_status();
?>
" size="40">
<?php
if (SI_Updates::license_status() != false && SI_Updates::license_status() == 'valid') {
?>
<button id="activate_license" class="button button-large" disabled="disabled"><?php
_e('Activate License', 'sprout-invoices');
?>
</button>
<button id="deactivate_license" class="button button-large"><?php
_e('Deactivate License', 'sprout-invoices');
?>
</button>
<?php
} else {
?>
<button id="activate_license" class="button button-primary button-large"><?php
_e('Activate License', 'sprout-invoices');
?>
