<% if @project %>
    <% if params[:is_project] %>
        $("#user_activity_<%= @user_activity_id %>").replaceWith("<%= escape_javascript(render :partial => 'projects/act_messages',
                                                                                               :locals => { :activity => @topic,
                                                                                                            :user_activity_id => @user_activity_id,
                                                                                                            :is_course => @is_course,
                                                                                                            :is_board => @is_board}) %>");
    // ForgeActivity是具体项目的动态；UserActivity是社区的动态
    // sd_create_editor_from_data(<%#= @user_activity_id %>, "", "100%", "ForgeActivity");
    <% else %>
        $("#activity_post_reply_<%= @user_activity_id %>").html("<%= escape_javascript(render :partial => 'users/course_message_post_reply',
                                                                                              :locals => { :activity => @topic,
                                                                                                           :user_activity_id => @user_activity_id}) %>");

    <% end %>
<% elsif @course %>
    $("#activity_post_reply_<%= @user_activity_id %>").html("<%= escape_javascript(render :partial => 'users/course_message_post_reply',
                                                                                          :locals => { :activity => @topic,
                                                                                                       :user_activity_id => @user_activity_id}) %>");
<% elsif @contest %>
    $("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'users/contest_message_post_reply',
                                                                                         :locals => { :activity => @topic,
                                                                                                      :user_activity_id => @user_activity_id}) %>");
<% elsif @org_subfield %>
    $("#activity_post_reply_<%= @user_activity_id%>").html("<%= escape_javascript(render :partial => 'organizations/org_message_post_reply',
                                                                                         :locals => { :activity => @topic,
                                                                                                      :user_activity_id => @user_activity_id}) %>");
<% end %>
sd_create_editor_from_data(<%= @user_activity_id %>, "", "100%", "UserActivity");