/**
* 渲染一个表单项目
*
* @param QContext $context
* @param QForm_Item_Abstract $item
* @param array $error_messages
*
* @return string
*/
protected static function _renderItem(QContext $context, QForm_Item_Abstract $item, array $error_messages)
{
$out = '';
if (!$item->isGroup()) {
$item = array($item);
$prefix = '';
} else {
$prefix = $item->id() . '_';
}
foreach ($item as $element) {
if ($element->type() != 'hidden') {
$out .= "\n";
$id = $element->id();
$label = h($element->label);
if ($label) {
$out .= "<p>\n";
$out .= "<label for=\"{$id}\">{$label}：";
if ($element->description) {
$descript = h($element->description);
$out .= " <span class=\"notes\">({$descript})</span>";
}
$out .= "</label>\n";
}
$error_key = "{$prefix}{$id}";
if (isset($error_messages[$error_key])) {
$out .= "<span class=\"error\">";
$msg = $error_messages[$error_key];
if (is_array($msg)) {
$msg = implode(', ', $msg);
}
$out .= nl2br(htmlspecialchars($msg));
} else {
$out .= "<span class=\"error hide\">";
}
$out .= "<br /></span>\n";
$element->unsetProps('label, description');
$out .= $element->render($context, true);
$out .= "\n";
if ($label) {
$out .= "</p>\n";
}
} else {
$out .= "\n";
$out .= $element->render($context, true);
$out .= "\n";
}
}
return $out;
}
/**
* 构造函数
*
* @param string $id
* @param string $type
* @param array $props
* @param boolean $bind_enabled
*/
function __construct($id, $type, array $props = null, $bind_enabled = true)
{
parent::__construct($id, $type, $props);
$this->_bind_enabled = $bind_enabled;
}
/**
* 添加一个元件
*
* @param QForm_Item_Abstract $element
*
* @return QForm_Item_Abstract
*/
function add(QForm_Item_Abstract $element)
{
$this->_elements[$element->id()] = $element;
return $element;
}
