method

button

v3.2.8 - Show latest stable - 0 notes - Class: ActionView::Helpers::FormBuilder

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What's this?

button(value=nil, options={}) public

Add the submit button for the given form. When no value is given, it checks if the object is a new resource or not to create the proper label:

<%= form_for @post do |f| %>
  <%= f.button %>
<% end %>

In the example above, if @post is a new record, it will use “Create Post” as submit button label, otherwise, it uses “Update Post”.

Those labels can be customized using I18n, under the helpers.submit key and accept the %{model} as translation interpolation:

en:
  helpers:
    button:
      create: "Create a %{model}"
      update: "Confirm changes to %{model}"

It also searches for a key specific for the given object:

en:
  helpers:
    button:
      post:
        create: "Add %{model}"

Show source

# File actionpack/lib/action_view/helpers/form_helper.rb, line 1402
      def button(value=nil, options={})
        value, options = nil, value if value.is_a?(Hash)
        value ||= submit_default_value
        @template.button_tag(value, options)
      end

button

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