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POActiveAdmin guidance for working on custom form (custom action?)
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copied!<p>I'm looking for some guidance to make a custom form with ActiveAdmin. This is not a regular form, but I actually need some JavaScript on it. However, I'm not familiar with ActiveAdmin right now.</p> <p>I have a form that will collect a Product list. Every time I add a Product to the list, I need to recalculate the sub-total for the order (based on quantity and unique price).</p> <p>For adding the products I'm using regular Formtastic, like this:</p> <pre><code>f.inputs "Product List" do f.has_many :product_lists do |detail| detail.input :good_id, :as => :select, :collection => Good.accessible_by(current_ability, :read), :input_html => { class: 'chosen-select' }, :include_blank => true detail.input :quantity, :input_html => { :value => 1 } end end </code></pre> <p>However, I came across to multiple questions:</p> <ul> <li>How should I recalculate the sub-totals every time I add a new product on the list? Should I use a <a href="http://www.activeadmin.info/docs/8-custom-actions.html" rel="nofollow">custom collection action</a>? I was even considering a Backbone App inside of it, for handling the whole process.</li> <li>Is there a better way, instead of using a Custom Action?</li> <li>Is there a good way to use a custom action ONLY for the new form? I was able to make a new one, but I was not able to have control over the form.</li> <li>How can I have better control of the form panel? I was not able to add panels inside the form block :(.</li> </ul>

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