/**
* Initializes the widget.
* This renders the form open tag.
*/
public function init()
{
$this->csrf = Instance::ensure($this->csrf, '\\rock\\csrf\\CSRF', [], false);
$this->request = Instance::ensure($this->request, '\\rock\\request\\Request');
if (!empty($this->clientAction)) {
$this->clientAction = Alias::getAlias($this->clientAction);
}
if (!isset($this->options['id'])) {
$this->options['id'] = $this->getId();
}
if (!isset($this->fieldConfig['class'])) {
$this->fieldConfig['class'] = ActiveField::className();
$this->fieldConfig['enableClientValidation'] = $this->enableClientValidation;
$this->fieldConfig['validateOnChanged'] = $this->validateOnChanged;
}
$this->modelName = $this->model->formName();
$this->options = $this->clientOptions($this->options);
echo ActiveHtml::beginForm($this->action, $this->method, $this->modelName, $this->options);
}
/**
* Generates an appropriate input name for the specified attribute name or expression.
*
* This method generates a name that can be used as the input name to collect user input
* for the specified attribute. The name is generated according to the @see Model::formName
* of the model and the given attribute name. For example, if the form name of the `Post` model
* is `Post`, then the input name generated for the `content` attribute would be `Post[content]`.
*
* See {@see \rock\widgets\ActiveHtml::getAttributeName()} for explanation of attribute expression.
*
* @param Model $model the model object
* @param string $attribute the attribute name or expression
* @return string the generated input name
* @throws \rock\template\HtmlException if the attribute name contains non-word characters.
*/
public static function getInputName($model, $attribute)
{
$formName = $model->formName();
if (!preg_match('/(^|.*\\])([\\w\\.]+)(\\[.*|$)/', $attribute, $matches)) {
throw new HtmlException('Attribute name must contain word characters only.');
}
$prefix = $matches[1];
$attribute = $matches[2];
$suffix = $matches[3];
if ($formName === '' && $prefix === '') {
return $attribute . $suffix;
} elseif ($formName !== '') {
return $formName . $prefix . "[{$attribute}]" . $suffix;
} else {
throw new HtmlException(get_class($model) . '::formName() cannot be empty for tabular inputs.');
}
}
