毎日1剤Rails良薬のuplload_progress

今日はupload_を使ってみます。progressプラグイン監聴ファイルアップロードstatus及びAJAXアップロードプログレスbar作成
Requirements:
http://sean.treadway.info/articles/2005/07/18/upload-progress-checklist
このプラグインとRequirementsをインストールしたら、私達はcontrollerで使用できます。

class DocumentController < ApplicationController
  upload_status_for :create

  def create
    # ... Your document creation action
  end
end

class Ducoment2Controller < ApplicationController
  upload_status_for :create, :status => :custom_status

  def create
    # ... Your document creation action
  end

  def custom_status
    # ... Override this action to return content to be replaced in the status container
    render :inline => "<%= upload_progress.completed_percent rescue 0 %> % complete", :layout => false
  end
end

私たちはviewでこのように使います。

<%= form_tag_with_upload_progress({:action => 'create'}, {
      :begin => 'alert("Upload beginning")',
      :finish => 'alert("Upload finished")'}) %>
<%= file_field 'document', 'file' %>
<%= submit_tag "Upload" %>
<%= upload_status_tag %>
<%= end_form_tag %>

BTW：Rails公式プラグインはここに紹介されました。Global Changelogを追加して貼ります。
参照
*Moved acts_アワタggable，browser_filters、and simplyuhelpful into legacy--all have eigther been deprecated or rolled into Rails core already[DHH]
*Resource feeder turned out to be too restictive and too hard to customize；replace it by atom_feed_helper[DHH]
*Extract dynamic scaffolding plugn from core.  #7700[Josh Peek]
*Start a global change for the offical Rails plugins.  [Jeremiy Kemper]