Modifying Rails helpers to add HTML classes

Question

I'm starting to use the jQuery UI CSS Framework for an app, which means I have to start adding classes to everything. So, for example, I want to make all buttons jQuery-themed, which means adding a class to all buttons.

I imagine there's some way in Rails to modify the helpers so I don't have to manually add a :class => 'blah' to every button, but I can't work it out. Is this possible, or does anybody have any better ideas?

Skilldrick · Accepted Answer · 2010-09-30 08:53:34Z

5

You just need override the helper method with this class add. In your application_helper.rb

  def button_to(name, options = {}, html_options = {})
    super(name, options, html_options.merge(:class => 'blah'))
  end

edited Sep 30, 2010 at 8:53

Skilldrick

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answered Sep 30, 2010 at 4:28

shingara

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2 Comments

Cristian Over a year ago

Is there a way you can specify more classes, apart from the default 'blah' class ? edit: I used html_options.merge(:class => (html_options[:class] || '') + ' blah') is that ok to use?

GorillaApe Over a year ago

The problem is that both string and array is allowed for class

coder_tim · Accepted Answer · 2010-09-29 21:22:31Z

3

Why not use jquery, somthing like:

$('button').attr('class', 'blah');

answered Sep 29, 2010 at 21:22

coder_tim

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3 Comments

Skilldrick Over a year ago

That's not a bad idea actually. There must be a simple way to do this in Rails though, surely.

Skilldrick Over a year ago

I've done some more reading and it looks like this may be the most sensible answer - it doesn't look like a simple task to override helper methods. I'll mark this accepted unless I get a Rails-based solution today.

Skilldrick Over a year ago

I actually went this route in the end - the helper way had too many edge cases, and I'm not writing all my HTML with helpers anyway. The jQuery way keeps it all in one place with one technique. I don't really feel like I can mark this as the accepted answer though, because the other one answers the question I actually asked. But thanks anyway!

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