How to implement form events

Comparing #4 with #9

Revision #9 was created by deacs on Dec 2, 2015, 2:50:46 PM.

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Content

[...]

$this->registerJs($js);
```

And thats it... hope you find it useful. Its a bit confusing at first when you do not know what has just happened.

**NOTE:**

You can prevent the form from being submitted by returning false. Returning either true, null or undefined will cause the form to be submitted. See below:

```php
$js = <<<JS

$('body').on('beforeSubmit', 'form#{$model->formName()}', function () {

    var form = $(this);

    if (form.find('.has-error').length) {

        return false;

    }



    // return undefined; // form gets submitted

    // return null; // form gets submitted

    // return true; // form gets submitted

    return false; // form does not get submitted

});

JS;

$this->registerJs($js);

```

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