双击资源栏目标签可编辑，编辑标签后更新标签

app/controllers/tags_controller.rb

@@ -320,6 +320,86 @@ class TagsController < ApplicationController
     end
   end
 
+  def update_org_subfield_tag_name
+    @tag_name = params[:tagName]
+    @rename_tag_name = params[:renameName]
+    @taggable_id = params[:taggableId]
+    @taggable_type = numbers_to_object_type(params[:taggableType])
+    @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) 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。
+      if params[:org_subfield_id]
+        org_subfield = OrgSubfield.find params[:org_subfield_id]
+        if org_subfield
+          org_subfield.attachments.each do |attachment|
+            taggings = ActsAsTaggableOn::Tagging.find_by_tag_id_and_taggable_id_and_taggable_type(@tag_id,attachment.id,attachment.class)
+            if taggings
+              taggings.delete
+              attachment.tag_list.add(@rename_tag_name.split(","))
+              attachment.save
+            end
+          end
+        end
+      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
+        @tagging = ActsAsTaggableOn::Tagging.where("tag_id = #{@tag_id}")
+        # 如果taggings表中记录为 1 ，那么改变@tag_id对应的tag的名字
+        if @tagging.count == 1
+          @tag = ActsAsTaggableOn::Tag.find_by_id(@tag_id)
+          @tag.update_attributes({:name=>@rename_tag_name})
+        else #如果tagging表中的记录大于1，那么就要新增tag记录
+
+          unless @obj.nil?
+            @obj.tag_list.add(@rename_tag_name.split(","))
+            @obj.save
+          end
+          #删除原来的对应的taggings的记录
+          unless @taggings.nil?
+            @taggings.delete
+          end
+        end
+      else #这是已有的tag
+        # 更改taggings记录里的tag_id
+        unless @taggings.nil?
+          @taggings.update_attributes({:tag_id=>@rename_tag.id})
+        end
+      end
+    end
+
+    @obj_flag =  params[:taggableType]
+    if @obj && @obj_flag == '6' && @obj.container.kind_of?(OrgSubfield)
+      @org_subfield = @obj.container
+      @tag_list = @tag_list = get_org_subfield_tag_list @org_subfield
+    elsif params[:org_subfield_id]
+      @org_subfield = OrgSubfield.find(params[:org_subfield_id])
+      @tag_list = get_org_subfield_tag_list @org_subfield
+
+      #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 = [ OrgSubfield.includes(:attachments).reorder(sort).find(@org_subfield.id)]
+
+      show_attachments @containers
+    elsif @obj &&  @obj_flag == '5'
+      @forum = @obj
+    end
+    respond_to do |format|
+      format.js
+    end
+  end
+
   def show_attachments obj
     @attachments = []
     obj.each do |container|

app/views/files/_subfield_tags.html.erb

@@ -12,13 +12,15 @@
         <% else%>
             <span class="files_tag_icon" >
           <a  title="双击可编辑"
-              onclick="search_org_subfield_tag_attachment('<%= search_org_subfield_tag_attachment_org_subfield_files_path(org_subfield)%>','<%= k%>','<%= @q%>','<%= org_subfield.id%>');"
+              onclick="search_org_subfield_tag_attachment('<%= search_org_subfield_tag_attachment_org_subfield_files_path(org_subfield)%>','<%= k %>','<%= @q %>','<%= org_subfield.id %>');"
               ondblclick="rename_tag($(this),'<%= k %>','',<%= 6 %>);"><%= k%>(<%= v%>)</a></span>
         <% end%>
     <% end%>
 <% end%>
 
 <script>
+    var clickFunction = null; //单击事件函数
+    var isdb = false; //是否双击
     function search_org_subfield_tag_attachment(url,tag_name,q,org_subfield_id,sort) {
         //alert("111");
         //clearTimeout(clickFunction);
@@ -26,7 +28,7 @@
             search_func();
         }, 500);
         function search_func() {
-//            if (isdb != false) return;
+            if (isdb != false) return;
             $.get(
                     url,
                     {

app/views/files/index.html.erb

@@ -309,6 +309,65 @@
 //   });
    <%end %>
 
+    <% if @org_subfield %>
+    var tagNameHtml; //当前双击的链接的父节点的html
+    var tagName;  //标签的值
+    var parentCssBorder; //当前双击的链接的父节点
+    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(1) {
+            isdb = true; //这是双击
+            //clearTimeout(clickFunction);
+            if (domEle.children().get(0) != undefined) { //已经是编辑框的情况下不要动
+                return;
+            }
+            tagNameHtml = domEle.parent().html()
+            tagName = name;
+            parentCssBorder = domEle.parent().css("border");
+            ele = domEle;
+            tagId = id;
+            taggableType = type;
+            width = parseInt(domEle.css('width').replace('px', '')) >= 100 ? parseInt(domEle.css('width').replace('px', '')) : 100
+            domEle.html('<input name=""  id="renameTagName" maxlength="120" minlength="1" style="width:' + width + 'px;" value="' + name + '"/>');
+            domEle.parent().css("border", "1px solid #ffffff");
+            $("#renameTagName").focus();
+        }
+    }
+    //监听所有的单击事件
+    $(function(){
+        $("#renameTagName").live("blur",function(){
+            updateTagName();
+        }).live("keypress",function(e){
+            if (e.keyCode == '13') {
+                updateTagName();
+            }
+        });
+    });
+
+    //执行修改TAGName方法
+    function updateTagName(){
+        if(isdb){
+            isdb = false;
+            if($("#renameTagName").val() == tagName){ //如果值一样，则恢复原来的状态
+                ele.parent().css("border","");
+                ele.parent().html(tagNameHtml);
+
+            }
+            else{
+                $.post(
+                        '<%= tags_update_org_subfield_tag_name_path %>',
+                        {"taggableId": tagId, "taggableType": taggableType, "tagName": tagName, "renameName": $("#renameTagName").val().trim(),"org_subfield_id":<%= @org_subfield.id %>}
+                );
+            }
+        }
+    }
+    <%end %>
+
 </script>
 
 

app/views/tags/update_org_subfield_tag_name.js.erb

@@ -0,0 +1,11 @@
+<% 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}) %>');
+    $("#tags_name_<%=@obj.id%>").val("");
+    $("#add_tag_<%=@obj.id%>").hide();
+    $("#files_tag").html("<%= escape_javascript(render :partial => "files/subfield_tags", :locals => {:tag_list => @tag_list,:org_subfield => @org_subfield,:tag_name => @select_tag_name}) %>");
+<% else %>
+    $("#org_subfield_list").html("<%= escape_javascript(render :partial => 'files/org_subfield_list',
+        :locals => {org_subfield: @org_subfield,all_attachments: @all_attachments,sort:@sort,order:@order,org_subfield_attachments:@obj_attachments}) %>");
+<% end %>

config/routes.rb

@@ -1047,6 +1047,7 @@ RedmineApp::Application.routes.draw do
   match 'tags/remove_tag_new', :as=>"remove_tag_new"
   match 'tags/tag_save', :as => "save_tag"
   match 'tags/update_tag_name',:as => "update_tag_name"
+  match 'tags/update_org_subfield_tag_name'
 
   match 'words/add_brief_introdution'