public function has($sName)
{
// disable data
if ($this->arrDisables and array_key_exists($sName, $this->arrDisables)) {
return false;
}
if (parent::has($sName)) {
return true;
}
// 在 exclude中的数据，不向 childs中寻找
if (in_array($sName, $this->arrExclude)) {
return false;
}
// 从 Childs 中找数据
foreach ($this->arrChildren as $aChild) {
if ($aChild->has($sName)) {
return true;
}
}
return false;
}
public function object($sName)
{
return parent::get($sName);
}
public function add(Result $aResult)
{
parent::add($aResult);
}
public function display(UI $aUI, IHashTable $aVariables = null, IOutputStream $aDevice = null)
{
$sTemplateName = $this->templateName();
$sSubTemplateName = $this->subTemplateName();
if (!$sTemplateName and !$sSubTemplateName) {
throw new Exception("显示UI控件时遇到错误，UI控件尚未设置模板文件", $this->id());
}
if (!$aVariables) {
$aVariables = new HashTable();
}
$oldWidget = $aVariables->get('theWidget');
$aVariables->set('theWidget', $this);
$aVariables->set('theUI', $aUI);
if ($sTemplateName) {
$aUI->display($sTemplateName, $aVariables, $aDevice);
} else {
if (!function_exists($sSubTemplateName)) {
throw new Exception("正在调用无效的子模板：%s %s", array($sSubTemplateName, $this->id()));
}
call_user_func_array($sSubTemplateName, array($aVariables, $aDevice));
}
$aVariables->set('theWidget', $oldWidget);
}