How to hiding hint if has error in input field

[Joseh-Henrique Caetano de Brito e Silva]

gem 'rails', '4.0.8'
gem 'simple_form', '~> 3.1.0.rc1', github: 'plataformatec/simple_form', branch: 'master'
gem 'bootstrap-sass', '3.1.1'

View code

config.wrappers :horizontal_form, tag: 'div', class: 'form-group', error_class: 'has-error' do |b|
  b.use :html5
  b.use :placeholder
  b.optional :maxlength
  b.optional :pattern
  b.optional :min_max
  b.optional :readonly
  b.use :label, class: 'col-sm-2 control-label'

  b.wrapper tag: 'div', class: 'col-sm-10' do |ba|
    ba.use :input, class: 'form-control'
    ba.use :error, wrap_with: { tag: 'span', class: 'help-block' }
## how change this
    ba.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
## to if has error
    ba.use :hint,  wrap_with: { tag: 'p', class: 'help-block-hidden', style: 'display: none;' }
  end
end

Example source code to be generated:

Before error - Show hint:

<p class="help-block">Login de acesso ao sistema</p>

During error - Hide hint

<p style="display: none;" class="help-block-hidden">Login de acesso ao sistema</p>

Must exist other ways, but would like the SimpleForm

[Carlos Antonio da Silva]

There's no specific support for that in Simple Form, you'd have to monkeypatch the Hints module and add a check on has_errors? on something like that.

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Carlos Antonio

[David Susco]

Four years late, but in case anyone else is looking to do this...

I changed the order of the hint and error in `config/initializers/simple_form.rb`:

    b.use :label_input

    b.use :full_error, wrap_with: { tag: :span, class: :error }

    b.use :hint,  wrap_with: { tag: :span, class: :hint }

Then you can hide `span.hint` with a CSS rule on `span.error`.

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Carlos Antonio