Add reminder

app/controllers/admin/announcements_controller.rb

@@ -617,7 +617,12 @@ class Admin::AnnouncementsController < OrbitAdminController
     bulletin.is_preview = true
     bulletin.save
     #BulletinFeed.create_feed_cache(bulletin)
-    render :plain=>page_for_bulletin(bulletin) + "?preview=true"
+    preview_url = page_for_bulletin(bulletin)
+    if preview_url == "#"
+      render :json => { "error" => true, "message" => t("announcement.no_announcement_page") }
+    else
+      render :plain=>preview_url + "?preview=true"
+    end
   end
   def get_preview_action
     bulletin = Bulletin.find_by(:uid=>params['uid'])

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

@@ -894,6 +894,10 @@
         processData: false,
         contentType: false
       }).done(function(data){
+        if(typeof data === "object" && data.error){
+          alert(data.message);
+          return;
+        }
         if(window.location.protocol === "https:"){
           data = data.replace("http:","https:");
         }

config/locales/en.yml

@@ -3,6 +3,7 @@ en:
     feed: Feed
     import: Import
   announcement:
+    no_announcement_page: "No announcement page has been set. Please set one first."
     read_from_cache: "Read from cache!"
     delete_selected: "Delete Selected"
     expired: This announcement has been expired.
@@ -207,4 +208,4 @@ en:
       '11': 'November'
       '12': 'December'
     calendar_title: "%{month} %{year}"
-    
+    

config/locales/zh_tw.yml

@@ -4,6 +4,7 @@ zh_tw:
     import: 匯入
     get_all_anncs_without_subannc: "選擇相關公告"
   announcement:
+    no_announcement_page: "沒有任何公告頁面，請先設定一個"
     read_from_cache: "從暫存中讀取!"
     delete_selected: "刪除所選"
     expired: 此則公告已過期
@@ -196,4 +197,4 @@ zh_tw:
         top: 置頂
         hot: 熱門
         hidden: 隱藏
-    calendar_title: "%{year}年%{month}月"
+    calendar_title: "%{year}年%{month}月"