Oro meetup #4
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This document discusses frontend validation in Symfony applications. It introduces the UberFrontendValidationBundle which adds validation constraints and error messages to form fields on the frontend. The bundle works by rendering additional HTML5 attributes on fields containing validation data. This allows validating fields on the frontend before form submission using JavaScript.
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![Result
<div>
<label for="advert_title" class="required">Title</label>
<input type="text" id="advert_title" name="advert[title]"
data-message-notblank="This value should not be blank."
data-constraint="NotBlank"
/>
</div>](https://image.slidesharecdn.com/oromeetup4-160222122307/85/Oro-meetup-4-12-320.jpg)
![Result-2
<div>
<label for="advert_title" class="required">Title</label>
<input type="url" id="advert_title" name="advert[title]"
data-message-notblank="This value should not be blank."
data-message-url="This value is not a valid URL."
data-constraint="NotBlank Url"
/>
</div>](https://image.slidesharecdn.com/oromeetup4-160222122307/85/Oro-meetup-4-13-320.jpg)
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- 5. No time for REST
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- 7. Twig Rendering {# app/Resources/views/default/new.html.twig #} {{ form_start(form) }} {{ form_errors(form) }} {{ form_row(form.task) }} {{ form_row(form.dueDate) }} {{ form_end(form) }}
- 10. Installation composer require sleepness/uber-frontend-validation-bundle $bundles = array( new SleepnessUberFrontendValidationBundleSleepnessUberFrontendValidationBundle(), ); twig: form_themes: - 'SleepnessUberFrontendValidationBundle:Form:fields.html.twig' {{ validation_init() }} jQuery
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