资源库标签 上方的tag重命名的话，所有的含有该tag的资源的那个标签页要重命名

app/controllers/tags_controller.rb

@@ -15,6 +15,7 @@ class TagsController < ApplicationController
   include ContestsHelper
   include ActsAsTaggableOn::TagsHelper
   include TagsHelper
+  include FilesHelper
   helper :projects
   helper :courses
   helper :tags
@@ -236,12 +237,21 @@ class TagsController < ApplicationController
     @rename_tag_name = params[:renameName]
     @taggable_id = params[:taggableId]
     @taggable_type = numbers_to_object_type(params[:taggableType])
-
+    @course_id = params[:courseId]
 
     @rename_tag = (ActsAsTaggableOn::Tag.find_by_name(@rename_tag_name))  #查找重命名后的tag
     @tag_id = (ActsAsTaggableOn::Tag.find_by_name(@tag_name)).id  #重命名前的tag_id
-    @taggings = ActsAsTaggableOn::Tagging.find_by_tag_id_and_taggable_id_and_taggable_type(@tag_id,@taggable_id,@taggable_type)
-    @obj = get_object(@taggable_id,params[:taggableType])
+    @taggings = ActsAsTaggableOn::Tagging.find_by_tag_id_and_taggable_id_and_taggable_type(@tag_id,@taggable_id,@taggable_type) unless @taggable_id.blank?
+    @obj = get_object(@taggable_id,params[:taggableType]) unless @taggable_id.blank?
+    if  @taggable_id.blank? #如果没有传tag_id，那么直接更新tag_name就好了。但是要防止 重命名后的tag存在。
+      #看重命名后的tag是否存在。如果存在的话，只需要更改taggings里边的id即可
+      if @rename_tag
+        @taggings = ActsAsTaggableOn::Tagging.find_by_tag_id_and_taggable_type(@tag_id,@taggable_id,@taggable_type)
+        @taggings.update_attributes({:tag_id=>@rename_tag.id})
+      else #如果不存在，那么就直接更新该tag名称为新的名称
+        (ActsAsTaggableOn::Tag.find_by_name(@tag_name)).update_attributes(:name=>@rename_tag_name)
+      end
+    else
       if(@rename_tag.nil?) #这次命名的是新的tag
 
         # 是否还有其他记录 引用了 tag_id
@@ -267,16 +277,49 @@ class TagsController < ApplicationController
           @taggings.update_attributes({:tag_id=>@rename_tag.id})
         end
       end
+    end
+
     @obj_flag =  params[:taggableType]
     if @obj && @obj_flag == '6' && @obj.container.kind_of?(Course)
       @course = @obj.container
       @tag_list = @tag_list = get_course_tag_list @course
+    elsif @course_id
+      @course = Course.find(@course_id)
+      @tag_list = get_course_tag_list @course
+
+      #这里要引用FilesController里的逻辑了。将资源库当前的文件列表刷新一遍。
+      @flag = params[:flag] || false
+      sort = ""
+      @sort = ""
+      @order = ""
+      @is_remote = false
+      @isproject = false
+
+      sort = "#{Attachment.table_name}.created_on desc"
+
+      @containers = [ Course.includes(:attachments).reorder(sort).find(@course.id)]
+
+      show_attachments @containers
     end
     respond_to do |format|
       format.js
     end
   end
 
+  def show_attachments obj
+    @attachments = []
+    obj.each do |container|
+      @attachments += container.attachments
+    end
+    @all_attachments = User.current.admin? ? @attachments : visable_attachemnts(@attachments)
+    @limit = 10
+    @feedback_count = @all_attachments.count
+    @feedback_pages = Paginator.new @feedback_count, @limit, params['page']
+    @offset ||= @feedback_pages.offset
+    #@curse_attachments_all = @all_attachments[@offset, @limit]
+    @obj_attachments = paginateHelper @all_attachments,10
+  end
+
   def tag_save
     @select_tag_name = params[:tag_for_save][:tag_name]
     @tags = params[:tag_for_save][:name]

app/helpers/tags_helper.rb

@@ -1,5 +1,6 @@
 module TagsHelper
   include StoresHelper
+  include CoursesHelper
   # 通过 id和type获取对象
   def get_object(obj_id,obj_type)
     @obj = nil
@@ -62,6 +63,27 @@ module TagsHelper
 
 end
 
+#判断课程course中是否包含课件attachment，course中引用了attachment也算作包含
+def course_contains_attachment? course,attachment
+  course.attachments.each do |att|
+    if att.id == attachment.id || (!att.copy_from.nil? && !attachment.copy_from.nil? && att.copy_from == attachment.copy_from) || att.copy_from == attachment.id || att.id == attachment.copy_from
+      return true
+    end
+  end
+  false
+end
+
+#判断用户是否拥有不包含当前资源的课程，需用户在该课程中角色为教师且该课程属于当前学期或下一学期
+def has_course? user,file
+  result = false
+  user.courses.each do |course|
+    if !course_contains_attachment?(course,file) && is_course_teacher(User.current,course) && course_in_current_or_next_term(course)
+      return true
+    end
+  end
+  result
+end
+
 # 判断用户是否是贴吧的管理员
 # add by chenmin
 def is_forum_manager?(user_id,forum_id)

app/views/files/_course_list.html.erb

@@ -3,13 +3,13 @@
   <p class="f_l  c_blue f_b f_14">共有&nbsp;<%= all_attachments.count%>&nbsp;个资源</p>
   <p class="f_r" style="color: #808080">
     <% if order == "asc" %>
-        按&nbsp;<%= link_to "时间",params.merge(:sort=>"created_on:desc"),:class => "f_b c_grey",:remote => @is_remote %><%= render partial: 'arrow_show',locals: { sort: sort,order:order,current:"created_on"} %>&nbsp;/&nbsp;
-        <%= link_to "下载次数",params.merge(:sort=>"downloads:desc"),:class => "f_b c_grey",:remote => @is_remote  %><%= render partial: 'arrow_show',locals: { sort: sort,order:order,current:"downloads"} %>&nbsp;/&nbsp;
-        <%= link_to "引用次数",params.merge(:sort=>"quotes:desc"),:class => "f_b c_grey",:remote => @is_remote %><%= render partial: 'arrow_show',locals: { sort: sort,order:order,current:"quotes"} %>&nbsp;排序
+        按&nbsp;<%= link_to "时间",params.merge(:sort=>"created_on:desc"),:class => "f_b c_grey",:remote => @is_remote %><%= render partial: 'files/arrow_show',locals: { sort: sort,order:order,current:"created_on"} %>&nbsp;/&nbsp;
+        <%= link_to "下载次数",params.merge(:sort=>"downloads:desc"),:class => "f_b c_grey",:remote => @is_remote  %><%= render partial: 'files/arrow_show',locals: { sort: sort,order:order,current:"downloads"} %>&nbsp;/&nbsp;
+        <%= link_to "引用次数",params.merge(:sort=>"quotes:desc"),:class => "f_b c_grey",:remote => @is_remote %><%= render partial: 'files/arrow_show',locals: { sort: sort,order:order,current:"quotes"} %>&nbsp;排序
     <% else %>
-        按&nbsp;<%= link_to "时间",params.merge(:sort=>"created_on:asc"),:class => "f_b c_grey" ,:remote => @is_remote %><%= render partial: 'arrow_show',locals: { sort: sort,order:order,current:"created_on"} %>&nbsp;/&nbsp;
-        <%= link_to "下载次数",params.merge(:sort=>"downloads:asc"),:class => "f_b c_grey",:remote => @is_remote  %><%= render partial: 'arrow_show',locals: { sort: sort,order:order,current:"downloads"} %>&nbsp; /&nbsp;
-        <%= link_to "引用次数",params.merge(:sort=>"quotes:asc"),:class => "f_b c_grey",:remote => @is_remote %><%= render partial: 'arrow_show',locals: { sort: sort,order:order,current:"quotes"} %>&nbsp;排序
+        按&nbsp;<%= link_to "时间",params.merge(:sort=>"created_on:asc"),:class => "f_b c_grey" ,:remote => @is_remote %><%= render partial: 'files/arrow_show',locals: { sort: sort,order:order,current:"created_on"} %>&nbsp;/&nbsp;
+        <%= link_to "下载次数",params.merge(:sort=>"downloads:asc"),:class => "f_b c_grey",:remote => @is_remote  %><%= render partial: 'files/arrow_show',locals: { sort: sort,order:order,current:"downloads"} %>&nbsp; /&nbsp;
+        <%= link_to "引用次数",params.merge(:sort=>"quotes:asc"),:class => "f_b c_grey",:remote => @is_remote %><%= render partial: 'files/arrow_show',locals: { sort: sort,order:order,current:"quotes"} %>&nbsp;排序
     <% end %>
   </p>
 </div>

app/views/files/_tag_yun.html.erb

@@ -3,7 +3,7 @@
         <% if tag_name && tag_name == k%>
             <a href="javascript:void(0);" class="files_tag_select"><%= k%>×<%= v%></a>
         <% else%>
-            <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%>×<%= v%></a>
+            <a href="javascript:void(0);" class="files_tag_icon" onclick="rename_tag($(this),'<%= k %>','',<%= 6 %>);"><%= k%>×<%= v%></a>
         <% end%>
     <% end%>
 <% end%>

app/views/files/index.html.erb

@@ -229,6 +229,9 @@
     var ele;    //当前双击的链接
     var tagId; //标签的id
     var taggableType; //被标签的类型
+    //这里renameTag有两种情况，一种是改变某个资源的tag名称。如果其他资源也有这个tag。则新增一个改变后的tag名
+    //第二种是改变某个tag名称。其他所有的资源如果拥有这个tag。那么对应的tag名也要改掉。
+    //目前这两种依据 的来源就是 是否 传了参数 id。如果有id。就指定了资源id，就是第一种情况。如果没有id。就是第二种情况
     function rename_tag(domEle,name,id,type){
         if(domEle.children().get(0) != undefined ){ //已经是编辑框的情况下不要动
             return;
@@ -258,11 +261,7 @@
                     if(confirm("是否将标签改为 "+ $("#renameTagName").val().trim())){
                           $.post(
                                     '<%= update_tag_name_path %>',
-                                {"taggableId":tagId,"taggableType":taggableType,"tagName":tagName,"renameName":$("#renameTagName").val().trim()}
-//                                function(data){
-//                                    ele.parent().css("border","");
-//                                    ele.parent().html(tagNameHtml);
-//                                }
+                                    {"taggableId": tagId, "taggableType": taggableType, "tagName": tagName, "renameName": $("#renameTagName").val().trim(),"courseId":<%= @course.id%>}
                           )
                    }else{
                        ele.parent().css("border","");

app/views/tags/update_tag_name.js.erb

@@ -14,18 +14,26 @@ $('#tags_show').html('<%= escape_javascript(render :partial => 'tags/tag_project
 $('#tags_name2').val("");
 <% elsif @obj_flag == '6'%>
 <%if @course%>
+    <% if @obj %>
     $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").empty();
     $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").html('<%= escape_javascript(render :partial => 'tags/tag_list',
                          :locals => {:obj => @obj,:object_flag =>  @obj_flag,:select_tag_name => @select_tag_name}) %>');
+    $("#tags_name_<%=@obj.id%>").val("");
+    $("#add_tag_<%=@obj.id%>").hide();
+    <% else %>
+        $("#course_list").html("<%= escape_javascript(render :partial => 'files/course_list',
+        :locals => {course: @course,all_attachments: @all_attachments,sort:@sort,order:@order,curse_attachments:@obj_attachments}) %>");
+    <% end %>
 $("#files_tag").html("<%= escape_javascript(render :partial => "files/tag_yun", :locals => {:tag_list => @tag_list,:course => @course,:tag_name => @select_tag_name}) %>");
 <%else%>
 $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").empty();
 $("#tags_show-<%=@obj.class%>-<%=@obj.id%>").html('<%= escape_javascript(render :partial => 'tags/course_attachment_tag_name',
                      :locals => {:obj => @obj,:non_list_all => false,:object_flag =>  @obj_flag}) %>');
-<%end%>
-
 $("#tags_name_<%=@obj.id%>").val("");
 $("#add_tag_<%=@obj.id%>").hide();
+<%end%>
+
+
 <% 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}) %>');

public/stylesheets/courses.css

@@ -551,7 +551,7 @@ a.wzan_visited{background:url(../images/new_project/public_icon.png) 0px -503px
 .vi_zan{color:#28be6c;}
 .newwork_btn a{background:#64bdd9;color:#fff;font-size:14px; font-weight:normal; padding:2px 10px; display:block; text-align:center; float:right;}
 .newwork_btn a:hover{ background:#329cbd;}
-.files_tag{ width:670px; height:22px; overflow:hidden; margin-bottom:10px;}
+.files_tag{ width:670px; min-height:22px;margin-bottom:10px;}/* overflow:hidden; */
 a.files_tag_icon{ background:#e2f3f9; color:#54aeca; border:1px solid #bbe2ef; padding:1px 10px; float:left; margin-right:10px;margin-bottom:10px; }
 a.files_tag_select{ background:#64bdd9; color:#fff; border:1px solid #64bdd9; padding:1px 10px; float:left; margin-right:10px;margin-bottom:10px;}