Forcing ng-dirty in AngularJS form validation

When using AngularJS for form validation, I want all required fields to be marked as erroneous when the user clicks submit.

To achieve this, I am utilizing input.ng-dirty.ng-invalid to style the controls with errors. My goal is to set ng-dirty on required controls (or all controls) when the form is submitted.

Although validation is functioning correctly, I realize that my approach may not be optimal. However, I have yet to find another method to replicate the desired effect without resorting to overly complex solutions.

In attempting to implement this idea, I used the following code:

<div ng-app>
    <form novalidate>
        <input name="formvalue" type="text" ng-model="formvalue" required />
        <input type="submit" />
    </form>
</div>

http://jsfiddle.net/yq4NG/

Answer №1

To incorporate Angular into your jsfiddle, start by enclosing it in the following div:

<div ng-app>...</div>

For a live example, visit http://jsfiddle.net/yq4NG/1/

By default, required fields are validated as soon as input is detected (dirty). If you want validation to occur on form submission before any input (pristine), you can create a function for your submit button that checks for pristine fields and switches them to dirty.

I've implemented this approach in the demonstration found here: http://jsfiddle.net/yq4NG/6/

You may potentially develop a reusable solution using custom formatters and validators, but for now, this straightforward method works effectively.

UPDATE:

A simplified approach utilizing only classes can be seen here: http://jsfiddle.net/yq4NG/8/

UPDATE [per suggestion from @XMLilley in the comments]:

Since Angular does not offer a $setDirty() function similar to $setPristine(), we induce the $dirty state by updating the $viewValue with the content of the $modelValue. This action doesn't alter anything but mimics a user manually entering data into each pristine field without making changes.

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