/**
* @return string|void
*/
public function generate()
{
$info = HelpAccess::retrieveInfos($this->label, $this->iso_lang, $this->country, $this->ps_version);
$content = '';
if (array_key_exists('version', $info) && $info['version'] != '') {
$last_version = HelpAccess::getVersion($this->label);
$tpl_vars['button_class'] = 'process-icon-help';
if ($last_version < $info['version']) {
$tpl_vars['button_class'] = 'process-icon-help-new';
}
$tpl_vars['label'] = $this->label;
$tpl_vars['iso_lang'] = $this->iso_lang;
$tpl_vars['country'] = $this->country;
$tpl_vars['version'] = $this->ps_version;
$tpl_vars['doc_version'] = $info['version'];
$tpl_vars['help_base_url'] = HelpAccess::URL;
$tpl_vars['tooltip'] = $info['tooltip'];
$this->tpl->assign($tpl_vars);
$content = parent::generate();
}
return $content;
}
public static function retrieveInfos($label, $iso_lang, $country, $version)
{
$image = self::$_images[0];
$tooltip = '';
$url = HelpAccess::URL . '/documentation/renderIcon?label=' . $label . '&iso_lang=' . $iso_lang . '&country=' . $country . '&version=' . $version;
$ctx = @stream_context_create(array('http' => array('timeout' => 10)));
$res = @file_get_contents($url, 0, $ctx);
$infos = preg_split('/\\|/', $res);
if (sizeof($infos) > 0) {
$version = trim($infos[0]);
if (!empty($version)) {
$image = self::$_images[1];
if (sizeof($infos) > 1) {
$tooltip = trim('|' . $infos[1]);
}
}
}
$last_version = HelpAccess::getVersion($label);
if (!empty($version) && $version != $last_version) {
$image = self::$_images[2];
}
return array('version' => $version, 'image' => $image, 'tooltip' => $tooltip);
}