personal-course/app/views/admin/courses/_form.html.erb

<% # encoding: utf-8 %>
<% content_for :page_specific_css do %>
  <%= stylesheet_link_tag "lib/main-forms" %>
  <%= stylesheet_link_tag "lib/fileupload" %>
  <%= stylesheet_link_tag "lib/main-list" %>
  <%= stylesheet_link_tag "lib/main-form-col2" %>
  <style type="text/css">
    .ui-helper-hidden-accessible{
      display: none;
    }
  </style>
<% end %>
<% content_for :page_specific_javascript do %>
  <%= javascript_include_tag "lib/bootstrap-datetimepicker" %>
  <%= javascript_include_tag "lib/datetimepicker/datetimepicker.js" %>
  <%= javascript_include_tag "lib/bootstrap-fileupload" %>
  <%= javascript_include_tag "lib/file-type" %>
  <%= javascript_include_tag "lib/module-area" %>
<% end %>

<!-- Input Area -->
<div class="input-area">

  <!-- Language Tabs -->
  <div class="nav-name"><strong><%= t(:language) %></strong></div>
  <ul class="nav nav-pills language-nav">
    <% @site_in_use_locales.each_with_index do |locale, i| %>
      <li class="<%= 'active' if i == 0 %>">
        <a data-toggle="tab" href=".<%= locale %>"><%= t(locale) %></a>
      </li>
    <% end %>
    <li class="pull-right">
      <%= copy_to_all_language_button(".language-nav", ".language-area") %>
    </li>
  </ul>

  <!-- Language -->
  <div class="tab-content language-area">

    <% @site_in_use_locales.each_with_index do |locale, i| %>

      <div class="<%= locale %> tab-pane fade <%= ( i == 0 ) ? "in active" : '' %>">

        <!-- course title-->
        <div class="control-group input-title">
          <label class="control-label muted"><%= t("personal_course.title") %></label>
          <div class="controls">
            <%= f.fields_for :title_translations do |f| %>
              <%= f.text_field locale, class: "input-block-level", placeholder: t("personal_course.title"), value: (@course.title_translations[locale] rescue nil) %>
            <% end %>
          </div>
        </div>

        <!-- course objective -->
        <div class="control-group">
          <label class="control-label muted"><%= t("personal_course.objective") %></label>
          <div class="controls">
            <%= f.fields_for :objective_translations do |f| %>
              <%= f.text_area locale, class: "input-block-level ckeditor", placeholder: t("personal_course.objective"), value: (@course.title_translations[locale] rescue nil) %>
            <% end %>
          </div>
        </div>
      </div>
    <% end %>
        <!-- File -->
    <%
    files_hash = {} 
    ["course_syllabus_file", "course_progress_file", "course_activity_file", "course_multimedia_file", "course_material_file", "course_supplement_file", "course_evaluation_file"].each do |file|
    hash = {}
    hash["html"] = add_attribute("form_file", f, file.pluralize.to_sym)
    hash["count"] = @course.send(file.pluralize).count rescue 0
    files_hash[file] = hash
    %>
    <div class="control-group">
      <label class="control-label muted"><%= t("personal_course.#{file}") %></label>
      <div class="controls">

        <!-- Exist -->
        <% if !@course.new_record? && hash["count"] > 0 %>
          <div class="exist">
            <% @course.send(file.pluralize).each_with_index do |obj, i| %>
            <% if !obj.new_record? %>
              <%= f.fields_for file.pluralize.to_sym, obj do |f| %>
                <%= render :partial => "form_file", :object => obj, :locals => {:f => f, :i => i} %>
              <% end %>
            <% end %>
            <% end %>
            <hr>
          </div>
        <% end %>

        <!-- Add -->
        <div class="add-target" for="<%= file %>">
        </div>
        <p class="add-btn">
          <a class="add_file trigger btn btn-small btn-primary" for="<%= file %>"><i class="icons-plus"></i> <%= t(:add) %></a>
        </p>

      </div>
    </div>
    <% end %>
  </div>
  <div class="nav-name"><strong><%= t(:module) %></strong></div>
  <ul class="nav nav-pills module-nav">
    <li></li>
    <li class="active">
      <a href="#basic" data-toggle="tab"><%= t(:basic) %></a>
    </li>
    <li>
      <a href="#status" data-toggle="tab"><%= t(:status) %></a>
    </li>
  </ul>

  <!-- Module -->
  <div class="tab-content module-area">

    <!-- Basic Module -->
    <div class="tab-pane fade in active" id="basic">

      <% if !@member.nil? %>

      <div class="control-group big-group">
        <label class="control-label muted"><%= t("personal_plugins.author") %></label>
        <div class="controls">
          <%= @member.name rescue ''%>
          <%= f.hidden_field :member_profile_id, :value => @member.id %>
        </div>
      </div>  

      <% else %>

      <div class="control-group big-group">
        <label class="control-label muted"><%= t("personal_plugins.author") %></label>
        <div class="controls">
            <% members = !@course.member_profile.nil? ? @course.member_profile.to_a : [] %>
            <%= render partial: 'admin/member_selects/email_selection_box', locals: {field: 'course[member_profile_id]', email_members: members} %>
        </div>
      </div>

      <% end %>

      <!-- year -->
      <div class="control-group">
        <label class="control-label muted"><%= t("personal_course.year") %></label>
        <div class="controls">
          <%= select_year((@course.year ? @course.year.to_i : DateTime.now.year), {:start_year => DateTime.now.year, :end_year => 1930}, {:name => 'course[year]',:class => 'span1'} ) %>
        </div>
      </div>

      <!-- course_category -->
      <div class="control-group big-group">
        <label class="control-label muted"><%= t("personal_course.course_category") %></label>
        <div class="controls">
          <%= f.select :course_category_id, CourseCategory.all.collect {|t| [ t.title, t.id ]} %>
        </div>
      </div>

      <!-- course_semester -->
      <div class="control-group big-group">
        <label class="control-label muted"><%= t("personal_course.course_semester") %></label>
        <div class="controls">
          <%= f.select :course_semester_id, CourseSemester.all.collect {|t| [ t.title, t.id ]} %>
        </div>
      </div>

    </div>

    <!-- Status Module -->
    <div class="tab-pane fade" id="status">
      <div class="control-group">
        <label class="control-label muted"><%= t(:status) %></label>
        <div class="controls" data-toggle="buttons-checkbox">
          <label class="checkbox inline btn <%= 'active' if @course.is_hidden? %>">
            <%= f.check_box :is_hidden %> <%= t(:hide) %>
          </label>
        </div>
      </div>
    </div>
  </div>
</div>
<!-- Form Actions -->
<div class="form-actions">
  <%= f.hidden_field :user_id, :value => params[:user_id] if !params[:user_id].blank? %>
  <input type="hidden" name="referer_url" value="<%= request.referer %>">
  <%= f.submit t('submit'), class: 'btn btn-primary' %>
  <%= link_to t('cancel'), get_go_back, :class=>"btn" %>
</div>
<script type="text/javascript">
  var files = <%= files_hash.to_json.html_safe %>;
  $("a.add_file").on("click",function(){
      var type = $(this).attr("for"),
          html = files[type].html,
          count = parseInt(files[type].count),
          replaceReg = new RegExp("new_" + type + "s","g");
      html = html.replace(replaceReg,count);
      $(".add-target[for=" + type + "]").append(html);
      count++;
      files[type].count = count;
      return false;
  })
  
  $(document).on('click', '.delete_file', function(){
      $(this).parents('.input-prepend').remove();
  });

  $(document).on('click', '.remove_existing_record', function(){
      if(confirm("<%= I18n.t(:sure?)%>")){
        $(this).children('.should_destroy').attr('value', 1);
        $(this).parents('.start-line').hide();
      }
  });
</script>