/**
* 从配置载入表单设置和元素
*
* @code php
* $form = QForm();
* $config = Helper_YAML::loadCached('form_config.yaml');
* $form->loadFromConfig($config);
* @endcode
*
* @param array $config 包含表单配置的数组
*
* @return QForm 返回表单对象本身，实现连贯接口
*/
function loadFromConfig(array $config)
{
if (isset($config['~form'])) {
foreach ((array) $config['~form'] as $attr => $value) {
$this->_attrs[$attr] = $value;
}
}
unset($config['~form']);
parent::loadFromConfig($config);
return $this;
}
/**
* 从配置批量添加元素
*
* 具体用法参考开发者手册关于表单的章节。
*
* @param array $config
*
* @return QForm_Group
*/
function loadFromConfig(array $config)
{
foreach ($config as $id => $attrs) {
if (!is_array($attrs)) {
$attrs = array();
}
if (!isset($this->_attrs['qform_group_id'])) {
$this->_attrs['qform_group_id'] = "";
}
if (isset($attrs['_elements'])) {
if (!isset($attrs['qform_group_id'])) {
$attrs['qform_group_id'] = $id;
}
$elements = (array) $attrs['_elements'];
unset($attrs['_elements']);
$group = new QForm_Group($id, $attrs, $this);
if (!empty($elements)) {
$group->loadFromConfig($elements);
}
$this->_elements[$id] = $group;
} else {
if (isset($attrs['_filters'])) {
$filters = $attrs['_filters'];
unset($attrs['_filters']);
} else {
$filters = null;
}
if (isset($attrs['_validations'])) {
$validations = $attrs['_validations'];
unset($attrs['_validations']);
} else {
$validations = null;
}
$attrs['qform_group_id'] = $this->_attrs['qform_group_id'];
$element = new QForm_Element($id, $attrs, $this);
if (!empty($filters)) {
$element->addFilters($filters);
}
if (!empty($validations)) {
$element->addValidations($validations);
}
if (isset($attrs['value'])) {
$element->_unfiltered_value = $attrs['value'];
}
$this->_elements[$id] = $element;
}
}
return $this;
}