add option for user can change image version at subpart

app/controllers/announcements_controller.rb

@@ -223,6 +223,25 @@ class AnnouncementsController < ApplicationController
 
   def pack_data(announcements, top_anns = [])
     page = Page.where(:module => "announcement").first rescue nil
+    subpart = OrbitHelper.get_current_widget
+    @image_version = 'thumb'
+    if subpart.methods.include? 'select_options'.to_sym
+      ModuleApp.all.select{|tmp| tmp.key.to_s=='announcement'}.each do |modile_app|
+        @show_options = modile_app.show_options rescue nil
+      end
+      subpart.select_options.each do |select_option|
+        if !(@show_options.nil?) && select_option.field_name == @show_options.keys.first.to_s
+          value = YAML.load(select_option.value)
+          if value[I18n.locale] == t('announcement.small_size')
+            @image_version = 'thumb'
+          elsif value[I18n.locale] == t('announcement.medium_size')
+            @image_version = 'mobile'
+          elsif value[I18n.locale] == t('announcement.orignal_size')
+            @image_version = 'orignal'
+          end
+        end
+      end
+    end
     feeds_anns = get_feed_announcements("widget")
     announcements = announcements + feeds_anns
     if !feeds_anns.blank?
@@ -250,6 +269,13 @@ class AnnouncementsController < ApplicationController
         desc = (desc.nil? || desc == "" ? "announcement image" : desc)
         link_to_show = a.is_external_link ? a.external_link : OrbitHelper.widget_item_url(a.to_param)
         target = a.is_external_link ? "_blank" : "_self"
+        if @image_version == 'thumb'
+          image_url = a.image.thumb.url
+        elsif @image_version == 'mobile'
+          image_url = a.image.mobile.url
+        else
+          image_url = a.image.url
+        end
         anns << {
           "bulletin_links" => links,
           "bulletin_files" => files,
@@ -264,7 +290,7 @@ class AnnouncementsController < ApplicationController
           "author" => author,
           "link_to_show" => link_to_show,
           "target" => target,
-          "img_src" => a.image.thumb.url || "/assets/announcement-default.jpg",
+          "img_src" => image_url || "/assets/announcement-default.jpg",
           "img_description" => desc
         }
       else

config/locales/en.yml

@@ -3,6 +3,10 @@ en:
     feed: Feed
     import: Import
   announcement:
+    picture_showing_size: Picture Showing Size
+    orignal_size: Original Size
+    small_size: Small Size
+    medium_size: Medium Size
     table:
       title : Title
       date : Date

config/locales/zh_tw.yml

@@ -3,6 +3,10 @@ zh_tw:
     feed: 供給
     import: 匯入
   announcement:
+    picture_showing_size: 圖片顯示大小
+    orignal_size: 原圖大小
+    small_size: 小張縮圖
+    medium_size: 中等縮圖
     table:
       title : 標題
       date : 張貼日期

lib/announcement/engine.rb

@@ -1,7 +1,20 @@
 require "yaml"
 module Announcement
   class Engine < ::Rails::Engine
-    initializer "announcement" do 
+    initializer "announcement" do
+      translate_data = Dir["#{Announcement::Engine.root}/config/locales/*.yml"] .map{|yaml_file| YAML.load(File.read(yaml_file))}
+      data = {}
+      key1 = {}
+      value1 = {}
+      value2 = {}
+      value3 = {}
+      translate_data.each do |t_data|
+        key1[t_data.keys[0]] = t_data.values[0]['announcement']['picture_showing_size']
+        value1[t_data.keys[0]] = t_data.values[0]['announcement']['small_size']
+        value2[t_data.keys[0]] = t_data.values[0]['announcement']['medium_size']
+        value3[t_data.keys[0]] = t_data.values[0]['announcement']['orignal_size']
+      end
+      data[key1] = [value1,value2,value3]
       OrbitApp.registration "Announcement", :type => "ModuleApp" do
         module_label "announcement.announcement"
         base_url File.expand_path File.dirname(__FILE__)
@@ -13,7 +26,11 @@ module Announcement
         frontend_enabled
         feeds_url "/xhr/announcements/feeds"
         data_count 1..30
-
+        begin
+          show_options data
+        rescue => e
+          puts ['there_was_no_show_option_method',e]
+        end
         side_bar do
           head_label_i18n 'announcement.announcement', icon_class: "icons-megaphone"
           available_for "users"