添加、删除TAG云时TAG云列表刷新

app/controllers/tags_controller.rb

@@ -220,6 +220,15 @@ class TagsController < ApplicationController
         @tag = ActsAsTaggableOn::Tag.find_by_id(@tag_id)
         @tag.delete unless @tag.nil?
       end
+
+      if @obj && @object_flag == '6' && @obj.container.kind_of?(Course)
+        @course = @obj.container
+        all_attachments = @course.attachments.select{|attachment| attachment.is_public? ||
+            (attachment.container_type == "Course" && User.current.member_of_course?(@course))||
+            attachment.author_id == User.current.id
+        }
+        @tag_list = attachment_tag_list all_attachments
+      end
       # end
     end
   end
@@ -263,6 +272,14 @@ class TagsController < ApplicationController
     else
       logger.error "#{__FILE__}:#{__LINE__} ===> #{@obj.errors.try(:full_messages)}"
     end
+    if @obj && @obj_flag == '6' && @obj.container.kind_of?(Course)
+      @course = @obj.container
+      all_attachments = @course.attachments.select{|attachment| attachment.is_public? ||
+          (attachment.container_type == "Course" && User.current.member_of_course?(@course))||
+          attachment.author_id == User.current.id
+      }
+      @tag_list = attachment_tag_list all_attachments
+    end
     respond_to do |format|
       format.js
       format.html

app/helpers/application_helper.rb

@@ -2097,4 +2097,13 @@ module ApplicationHelper
     request.env["HTTP_USER_AGENT"] =~ /MSIE 8.0/
   end
 
+
+  #获取指定资源列表的TAG的集合以及每个TAG的数量，降序排序
+  def attachment_tag_list attachments
+    tag_list = Hash.new
+    attachments.each do |attachment|
+      attachment.tag_list.map{|tag| tag_list.has_key?(tag) ? tag_list[tag] = tag_list[tag] + 1 : tag_list[tag] = 1}
+    end
+    tag_list.sort {|a,b| b[1]<=>a[1]}
+  end
 end

app/helpers/files_helper.rb

@@ -120,14 +120,6 @@ module FilesHelper
     result
   end
 
-  def attachment_tag_list attachments
-    tag_list = Hash.new
-    attachments.each do |attachment|
-      attachment.tag_list.map{|tag| tag_list.has_key?(tag) ? tag_list[tag] = tag_list[tag] + 1 : tag_list[tag] = 1}
-    end
-    tag_list.sort {|a,b| b[1]<=>a[1]}
-  end
-
   def get_attachments_by_tag attachments,tag
     attachments.each do |attachment|
       attachment.tag_list.include?(tag)

app/views/files/_course_list.html.erb

@@ -15,12 +15,8 @@
 </div>
 <div class="cl"></div>
 
-<div class="files_tag">
+<div class="files_tag" id="files_tag">
-  <% unless @tag_list.nil?%>
+    <%= render :partial => "files/tag_yun", :locals => {:tag_list => @tag_list,:course => course}%>
-    <% @tag_list.each do |k,v|%>
-          <a href="javascript:void(0);" class="files_tag_icon" onclick="search_tag_attachment('<%= search_tag_attachment_course_files_path(@course)%>','<%= k%>','<%= @q%>','<%= course.id%>');"><%= k%>（<span class="c_red"><%= v%></span>）</a>
-    <% end%>
-  <% end%>
 </div>
 <div class="cl"></div>
 

app/views/files/_tag_yun.html.erb

@@ -0,0 +1,5 @@
+<% unless tag_list.nil?%>
+    <% tag_list.each do |k,v|%>
+        <a href="javascript:void(0);" class="files_tag_icon" onclick="search_tag_attachment('<%= search_tag_attachment_course_files_path(course)%>','<%= k%>','<%= @q%>','<%= course.id%>');"><%= k%>（<span class="c_red"><%= v%></span>）</a>
+    <% end%>
+<% end%>

app/views/tags/remove_tag_new.js.erb

@@ -3,6 +3,8 @@
 $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").empty();
 $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").html('<%= escape_javascript(render :partial => 'tags/tag_list',
                      :locals => {:obj => @obj,:non_list_all => false,:object_flag =>  @object_flag}) %>');
+
+$("#files_tag").html("<%= escape_javascript(render :partial => "files/tag_yun", :locals => {:tag_list => @tag_list,:course => @course}) %>");
 <% end %>
 <% if @object_flag == "10"%>
 $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").empty();

app/views/tags/tag_save.js.erb

@@ -10,6 +10,8 @@ $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").html('<%= escape_javascript(render
                          :locals => {:obj => @obj,:non_list_all => false,:object_flag =>  @obj_flag}) %>');
     $("#tags_name_<%=@obj.id%>").val("");
     $("#add_tag_<%=@obj.id%>").hide();
+
+    $("#files_tag").html("<%= escape_javascript(render :partial => "files/tag_yun", :locals => {:tag_list => @tag_list,:course => @course}) %>");
 <% elsif  @obj_flag == '9'%>
     $('#tags_show').html('<%= escape_javascript(render :partial => 'tags/new_tag_name',
                      :locals => {:obj => @obj,:non_list_all => false,:object_flag =>  @obj_flag}) %>');