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RailsでTwitterBootstrapを使ったflashメッセージ

Last updated at Posted at 2014-08-29

僕はbootstrapをよく使うので、bootstrapのAlerts Componentを使ってflash部分をpartial化してみる。
もちろんbootstrapじゃなくても、flashのタイプごとにhtmlとかcssを変えたい場合に応用できると思う。

_flashes.html.erb
<% flash.each do |type, message| %>
<div class="alert <%= flash_class_for(type) %>" role="alert">
  <button class="close" data-dismiss="alert">×</button>
  <%= message %>
</div>
<% end %>
application.html.erb
<%= render partial: "shared/flashes", flash: flash %>
application_helper.rb
module ApplicationHelper
  def flash_class_for flash_type
    case flash_type
    when 'success' then 'alert-success'
    when 'error'   then 'alert-danger'
    when 'alert'   then 'alert-warning'
    when 'notice'  then 'alert-info'
    end
  end
end
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