clientValidateAttribute() public method
Returns the JavaScript needed for performing client-side validation.
You may override this method to return the JavaScript validation code if the validator can support client-side validation.
The following JavaScript variables are predefined and can be used in the validation code:
-
attribute: an object describing the the attribute being validated. -
value: the value being validated. -
messages: an array used to hold the validation error messages for the attribute. -
deferred: an array used to hold deferred objects for asynchronous validation -
$form: a jQuery object containing the form element
The attribute object contains the following properties:
-
id: a unique ID identifying the attribute (e.g. "loginform-username") in the form -
name: attribute name or expression (e.g. "[0]content" for tabular input) -
container: the jQuery selector of the container of the input field -
input: the jQuery selector of the input field under the context of the form -
error: the jQuery selector of the error tag under the context of the container -
status: status of the input field, 0: empty, not entered before, 1: validated, 2: pending validation, 3: validating
| public string clientValidateAttribute ( $model, $attribute, $view ) | ||
|---|---|---|
| $model | yii\base\Model |
The data model being validated |
| $attribute | string |
The name of the attribute to be validated. |
| $view | yii\web\View |
The view object that is going to be used to render views or view files containing a model form with this validator applied. |
| return | string |
The client-side validation script. Null if the validator does not support client-side validation. |
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