[mongoid] Devise string fields #1247

m4tm4t opened this Issue Jul 15, 2012 · 4 comments


None yet

3 participants


I'm just playing with mongoid and trying RA.

Devise fields (email and all String fields) are interpreted as textarea in RA.

I've added a "name" field and he work as input.

user model:

HTML output:

<div class="control-group text_type email_field " id="user_email_field">
  <label class="control-label" for="user_email">Email</label>
  <div class="controls">
    <textarea cols="48" data-options="{}" data-richtext="false" id="user_email" name="user[email]" rows="3"></textarea>
    <p class="help-block">Obligatoire. </p>

This is by design, because there is no way to tell whether Mongoid's String type should be mapped to RailsAdmin :string type(which shows input field) or :text type(which shows textarea).
So RailsAdmin basically maps String to :text, except for fields named as 'name', 'title', 'subject'(listed here).

If you want 'email' field as input, you can explicitly set

RailsAdmin.config do |config|
  config.model User do
    configure :email, :string

in your RailsAdmin initializer.

@mshibuya mshibuya closed this Jul 16, 2012

Since mongoid defaults data types to string I think rails_admin should follow suit. Any fields preferred to be a textarea should be explicitly defined.

Also I notice the mongoid adapter defines an artificial length of 255 in many cases. The mongoid string data type has no such limitation. rails_admin (IMO) should limit casting length restrictions to only cases where a user-defined length validation is defined.

Im still familiarizing myself with the rails_admin code base and this could be a considerable modifcation, but if its decided to be a good idea i can take a crack at it.

@mshibuya mshibuya reopened this Aug 13, 2012

If we make string type as default, we lose ability to edit the data properly if the field has multi-lined string data. Is it OK for you?
I've chosen safer one because text type can also handle single-lined string data...

And I agree for an artificial 255-char upper limit, now that meaningless 'Length up to(blank).` help texts are fixed by your pull request.

Mongoid type-mapping logic needs to be cleaned up, for sure.


the support for multi-line fields would still be supported its just a matter of defaults. for me, i typically use far more fields intended for text inputs than textareas. form builders (like simple_form, or formtastic) generate input tags for string data types and need to be explicitly defined as a text area to support multi-line. i have found defaulting to an input is more common practice so the rails_admin behavior seems backwards to me. but its really just a matter of preference when it comes down to it.

As for the 255 limit, i dislike the idea of limiting an input at the presentation level and imposing it on the model. those limitations should only be represented rather than defined in the view.

@mshibuya mshibuya was assigned Sep 13, 2012
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment