<?php

namespace W3TC;

if (!defined('W3TC')) {
    die;
}
Util_Ui::postbox_header(__('<acronym title="Content Delivery Network">CDN</acronym>', 'w3-total-cache'), '', 'cdn');
Util_Ui::config_overloading_button(array('key' => 'cdn.configuration_overloaded'));
?>
<p><?php 
_e('Host static files with your content delivery network provider to reduce page load time.', 'w3-total-cache');
if (!$cdn_enabled) {
    printf(__('If you do not have a <acronym title="Content Delivery Network">CDN</acronym> provider try MaxCDN. <a href="%s" target="_blank">Sign up and save 25&#37;</a>.', 'w3-total-cache'), wp_nonce_url(Util_Ui::admin_url('admin.php?page=w3tc_dashboard&w3tc_cdn_maxcdn_signup'), 'w3tc'));
}
?>
</p>
<table class="form-table">
    <?php 
Util_Ui::config_item(array('key' => 'cdn.enabled', 'control' => 'checkbox', 'checkbox_label' => __('Enable', 'w3-total-cache'), 'description' => __('Theme files, media library attachments, <acronym title="Cascading Style Sheet">CSS</acronym>, <acronym title="JavaScript">JS</acronym> files etc will appear to load instantly for site visitors.', 'w3-total-cache')));
Util_Ui::config_item(array('key' => 'cdn.engine', 'control' => 'selectbox', 'selectbox_values' => $engine_values, 'selectbox_optgroups' => $engine_optgroups, 'description' => __('Select the <acronym title="Content Delivery Network">CDN</acronym> type you wish to use.', 'w3-total-cache') . $cdn_engine_extra_description));
?>
</table>

<?php 
Util_Ui::button_config_save('general_cdn', '<input id="cdn_purge" type="button" value="' . __('Empty cache', 'w3-total-cache') . '" ' . ($cdn_enabled && Cdn_Util::can_purge_all($config->get_string('cdn.engine')) ? '' : ' disabled="disabled" ') . ' class="button {nonce: \'' . wp_create_nonce('w3tc') . '\'}" />');
Util_Ui::postbox_footer();