CODEWITHSUNDEEP
ruby-on-railsdry
Hank-Roughknuckles
Hank-Roughknuckles

Reputation: 578

Setting a site-wide variable for text-field max length - Rails

First of all, I want to ask forgiveness if this question is too broad.

But I'm still a little new to Rails and want to set a max length 50 chars for text fields when I edit certain titles of certain records. I know that in every one of them, I could just do something like:

<%= f.text_field :title, maxlength: 50 %>

But I'd really like to do something more like:

<%= f.text_field :title, maxlength: HEADER_MAX_LENGTH %>

where HEADER_MAX_LENGTH is a variable that I can re-use in other forms in other views. Is there a certain place I can make such a variable to help keep my code DRY?


Thanks!


EDIT: I initially had the f.text_field tags syntax wrong. Fixed 'em.

Upvotes: 0

Views: 82

Answers (1)

zwippie
zwippie

Reputation: 15525

Create an entry in config/application.rb:

config.header_max_length = 50

And use this while creating forms:

<%= f.text_field :title, nil, maxlength: Rails.application.config.header_max_length %>

To make it more DRY you could create a helper method for a custom text_field_with_maxlength or create a custom FormBuilder.

Upvotes: 2

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