Preview now can be use at both ad_banner and ad_image,however it won't run correctly if user change its ad_banner at ad_image.

app/assets/javascripts/inc/modal-preview.js

@@ -4,7 +4,7 @@
 
 $(document).ready(function() {
 	$("a.preview_trigger").click(function(){
-		$(this).after("<p id='show_preview'></p>");
+		$(this).after("<span id='show_preview'></span>");
 		$.ajax({
 			type:"PUT",
 			url:$(this).attr("href"),

app/controllers/admin/ad_banners_controller.rb

@@ -40,7 +40,7 @@ class Admin::AdBannersController < ApplicationController
   end
   
   def realtime_preview
-    @ad_banner = AdBanner.find(params[:id]).preview_clone
+    @ad_banner = AdBanner.find(conditions: { title: params[:title] }).preview_clone
     #@ad_banner.update_attributes(params[:ad_banner]).update_attributes(params[:ad_images])
   end
   

app/models/ad_banner.rb

@@ -9,6 +9,7 @@ class AdBanner
 
   before_save :save_or_destroy
   validates_uniqueness_of :title
+  validates :title , :length => { :minimum => 2 }
   has_many :ad_images , dependent: :delete
   
   FX_TYPES = ["blindX","blindY","blindZ","cover","curtainX","curtainY","fade","fadeZoom","growX","growY","scrollUp","scrollDown","scrollLeft","scrollRight","scrollHorz","scrollVert","shuffle","slideX","slideY","toss","turnUp","turnDown","turnLeft","turnRight","uncover","wipe","zoom"]

app/views/admin/ad_banners/_ad_banner_tab.html.erb

@@ -1,4 +1,3 @@
-<script type="text/javascript" src="/static/jquery.cycle.all.latest.js"></script>
 <div class="tab-pane <%= "active"  if ad_banner_tab==@active %>" id=<%= ad_banner_tab.title %>>
 	<p><%= t("admin.ad.banner_best_size") %>：</p>
 
@@ -13,7 +12,7 @@
 			<%= render :partial => "ad_image_update", :collection => ad_banner_tab.ad_images,:as => :ad_image,:locals=>{:ad_banner => ad_banner_tab}  %>
 		<%#= render :partial => 'new_add_banner_file', :object => ad_banner_tab.ad_images.build, :locals => { :field_name => "new_ad_images[]", :f => f, :classes => "r_destroy" } %>
 			<%= link_to t("admin.ad.new_image"),new_admin_ad_banner_ad_image_path(ad_banner_tab) ,:class => "btn btn-primary"%>
-			<%= link_to t("modal.preview"), realtime_preview_admin_ad_banner_path(ad_banner_tab) , :class=>'preview_trigger btn btn-success'%>
+			<%= link_to t("modal.preview"), admin_realtime_preview_ad_banner_path(ad_banner_tab.title) , :class=>'preview_trigger btn btn-success'%>
 			
 	</div>
 	<% end -%>

app/views/admin/ad_banners/_modal_ad_banner_form.html.erb

@@ -44,9 +44,6 @@ $('#new_ad_banner_tab_but').on('shown', function (e) {
 	$('#new-a-banner').modal({show: true});
 })
 
-$('#new-a-banner').on('shown', function (e) {
-	alert('show!');
-})
 
 $('#new-a-banner').on('hidden', function (e) {
 	$(".nav.nav-tabs  a[id!='new_ad_banner_tab_but']:last").tab('show');

app/views/admin/ad_banners/index.html.erb

@@ -2,6 +2,7 @@
 	<%#= stylesheet_link_tag "admin/ad_banner_preview" %>
 <% end -%>
 <% content_for :page_specific_css do -%>
+	<%= javascript_include_tag "/static/jquery.cycle.all.latest.js" %>
 	<%= javascript_include_tag "inc/modal-preview" %>
 <% end -%>
 

app/views/admin/ad_images/_form.html.erb

@@ -5,6 +5,7 @@
 	<%= javascript_include_tag "lib/datepicker"  %>
 	<%= javascript_include_tag "lib/date.format"  %>
 	<%= javascript_include_tag "inc/modal-preview" %>
+	<%= javascript_include_tag "/static/jquery.cycle.all.latest.js" %>
 	
 <% end %>
 
@@ -182,9 +183,9 @@
 			</div>
 			<!--Post End-->
 			<div class="form-actions">
-				<%= link_to t("modal.preview"), realtime_preview_admin_ad_banner_path(@ad_image.ad_banner) ,:class=>"preview_trigger btn btn-success" rescue nil%>
+				<%= link_to t("modal.preview"), admin_realtime_preview_ad_banner_path(@ad_image.ad_banner.title) ,:class=>"preview_trigger btn btn-success" rescue nil%>
-				<button class="btn btn-primary" type="submit"><%= t("submit")%></button>
+				<%= f.submit t("submit"),:class=>"btn btn-primary" %>
-				<button class="btn" type="reset"><%= t("cancel")%></button>
+				<%= f.submit t("cancel"),:class=>"btn ",:type => 'reset' %>
 			</div>
 		</form>
 	</div>

config/routes.rb

@@ -25,14 +25,12 @@ Orbit::Application.routes.draw do
     end
 
 
+    match 'ad_banner/:title/preivew' => 'ad_banners#realtime_preview',:as => :realtime_preview_ad_banner,:via => :put
     resources :ad_banners do 
         collection do
           match 'new_ad_image' => 'ad_images#new',:as => :new_ad_image,:via => :get
           match 'new_ad_image' => 'ad_images#create',:as => :create_ad_image,:via => :post
         end
-        member do
-          match 'preivew' => 'ad_banners#realtime_preview',:as => :realtime_preview,:via => :put
-        end
         resources :ad_images ,:except => [:show,:index]
     end
     resources :dashboards