Permit.js - building interactive, multi-state prototypes

Maybe your website has certain features that are only available to logged-in members and other features only available only to administrators? Or perhaps your app has different features depending on whether it's on- or offline? Or what about the free versus paid versions? These are all examples of states.

Permit.js makes simulating those different situations a breeze. It's designed for use by anyone that does interactive prototype work in HTML and CSS, including information architects and other user interface and user experience (UI/UX) professionals.

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1. INCLUDE JS FILES

<script src="js/jquery-1.10.1.min.js"></script>
<script src="js/jquery.cookie.js"></script>
<script src="js/permit.min.js"></script>

2. JAVASCRIPT

$(document).ready(function(){
    $.permit({
        permits: ['free','premium','admin']
    });
});

3.  Create a "Permits Agent"

The optional "agent" will help you issue your permits and change between your states. Create a container with an ID of 'permit-agent'. When the script is instantiated, this container will be populated with a dropdown of your available permits. The agent issues a new permit when you click on an element with a class of 'permit-reissue'. You don't have to use the agent. If you prefer you can just issue or revoke permits using the plugin's helper classes.

<div>
    <div id="permit-agent">
        <!-- A dropdown with your states. -->
    </div>
    <button class="permit-reissue">Issue Permit</button>
</div>

4. Apply CSS

Permit.js creates several personalized helper classes based on your instantiation settings. All you need to do is apply a generic 'permit' class plus one of these personalized classes to your HTML markup. The following example shows how you might apply your CSS classes in the case of three states: free, premium, admin.

Custom Classes

<div class="permit permit-free">
    <p>Visible to free users (only).</p>
</div>

<div class="permit permit-premium">
    <p>Visible to premium users (only).</p>
</div>

<div class="permit permit-admin">
    <p>Visible to admin users (only).</p>
</div>

Combining Classes

You can combine any of your custom classes. For example, if you want a block to show for free and premium users, but not admins, you could do the following:

<div class="permit permit-free permit-premium">
    <p>Visible to free and premium users, but not admins.</p>
</div>

Default Classes

In addition, you can use .permit-all and .permit-none classes.

<div class="permit permit-none">
    <p>Visible only when no permits have been issued (e.g, in a fully logged-out state).</p>
</div>

<div class="permit permit-all">
    <p>Visible to all permit levels. Invisible if no permits are present.</p>
</div>

5. Additional Helper Classes and Advanced Usage

Permit.js provides additional helper classes that allow you to create even more complex, interactive experiences. Also see the plugin's API for even greater flexibility.

<div class="permit permit-force permit-premium" data-permit-message="Please <a href='#'>upgrade</a>">
    <p>This content will show when a premium permit is present, otherwise it shows the message defined in the data-permit-message attribute.</p>
</div>

6. Public API Methods

For the ultimate control on issuing (or revoking) a permit, try the API. You can issue (or revoke) a permit whenever, wherever, and however you want.

7. Settings & Options