资源库

app/controllers/users_controller.rb

@@ -882,6 +882,23 @@ class UsersController < ApplicationController
       end
   end
 
+  # 重命名资源
+  def rename_resource
+    @attachment = Attachment.find(params[:res_id])
+    if  @attachment != nil
+      @attachment.filename =  params[:res_name]
+      @flag = @attachment.save
+    end
+    # respond_to do |format|
+    #   format.js
+    # end
+    if @flag
+      render :text=>'sucess'
+    else
+      render :text=>'fail'
+    end
+  end
+
   def destroy
     @user.destroy
     respond_to do |format|

app/views/users/user_resource.html.erb

@@ -109,11 +109,17 @@
 <script>
   var pageX = 0;
   var pageY = 0;
+  //当前选中的行
   var line;
+  //已经选中的行，和当前选中的行的区别是：右键选中为line，换一行右键后，line变为last_line,line变为换行后的line
   var last_line;
+  //资源名称
   var res_name;
+  //资源名称的链接
   var res_link;
+  var id; //资源id
 $(".resourcesList").mousedown(function(e) {
+             //如果是右键的话
             if (3 == e.which) {
                  document.oncontextmenu = function() {return false;}
                  pageX = e.clientX;
@@ -130,8 +136,7 @@ $(".resourcesList").mousedown(function(e) {
                 //转换为jquery对象
                 line = $(ele).parent();
                 //如果上一条存在被选中，那么将上一条的背景色改为白色
-                if(last_line){
-
+                if(last_line != null){
                    last_line.children().css("background-color", 'white');
                     restore();
                     last_line == null;
@@ -147,19 +152,27 @@ $(".resourcesList").mousedown(function(e) {
              }
 });  
 $(".resourcesList").click(function(e) {
+         //在列表上的任何单击事件都要恢复原来的样子
+         //隐藏右键菜单
 		$("#contextMenu").hide();
 		document.oncontextmenu = function() {return true;}
+        //如果当前行为空，那么要将当前行的拿到
+         var ele;
          if(line == null){
-            var ele = document.elementFromPoint(e.clientX, e.clientY);
+             ele = document.elementFromPoint(e.clientX, e.clientY);
             line = $(ele).parent();
+            //如果是在li上点击事件，那么要获得父组件
             if(line.get(0).tagName === 'LI'){
                 line = line.parent();
             }
-        }else{
-            restore();
         }
+        //将当前行改变为白色
         line.children().css("background-color", 'white');
-
+        //当前行恢复编辑状态
+       if(ele.nodeName != 'INPUT') {
+           restore();
+       }
+        line = null;
 });
   function show_send(){
       $("#contextMenu").hide();
@@ -188,27 +201,73 @@ $(".resourcesList").click(function(e) {
       document.oncontextmenu = function() {return true;}
       line.children().css("background-color",'white');
       id = line.children().last().html();
-      res_name = line.children().first().children().html();
+      res_name = line.children().first().children().attr('title');
       res_link = line.children().first().html();
-      line.children().first().html('<form id="res_name_form"><input name="res_name" id="res_name" class="" onblur="restore();" value="'+res_name+'"/> </form>');
+      line.children().first().html('<%= form_tag(url_for(:controller => 'users',:action => 'rename_resource',:method => 'post',:remote=>true,:id=>@user.id),:id=>"res_name_form" ) do%>' +
+              '<input name="res_name" id="res_name" ' +
+              'style="height: 2em;line-height: 2em;overflow: hidden;" onblur="restore();" ' +
+              'value="'+res_name+
+              '"/>  <input type="hidden" name="res_id" value="'+id+'"/>'+
+              '<% end %>');
       $("#res_name").focus();
   }
+  String.prototype.trim = function() {
+      var str = this,
+              str = str.replace(/^\s\s*/, ''),
+              ws = /\s/,
+              i = str.length;
+      while (ws.test(str.charAt(--i)));
+      return str.slice(0, i + 1);
+  }
   function restore(){
-      if( line != null && res_link != null && res_link != '') {
-          line.children().first().html(res_link);
+      if( last_line != null && res_link != null && res_link != '') {
+          name = $("#res_name").val().trim();
+          if(name != res_name.trim()){
+
+              if(confirm('确定修改为 '+name)){
+                  //$("#res_name_form").submit();
+//                  $.ajax({
+//                      type:'post',
+//                      url:'<%#=rename_resource_user_path(@user) %>',
+//                      data: $("#res_name_form").serialize()
+//                  });
+                  $.post(
+                          '<%=rename_resource_user_path(@user) %>',
+                          $("#res_name_form").serialize(),
+                          function (data){
+                              if(data =='sucess'){
+                                  last_line.children().first().html(res_link);
+                                  last_line.children().first().children().attr('title',name);
+                                  last_line.children().first().children().html(name);
+                              }else{
+                                  last_line.children().first().html(res_link);
+                              }
+                          },
+                          'text'
+                  );
+              }else{
+                  //last_line.children().first().html(res_link);
+              }
+          }else {
+              last_line.children().first().html(res_link);
+          }
       }
   }
 
-  function delete_file(){
+  function delete_file() {
       $("#contextMenu").hide();
-      document.oncontextmenu = function() {return true;}
-      line.children().css("background-color",'white');
+      document.oncontextmenu = function () {
+          return true;
+      }
+      line.children().css("background-color", 'white');
       id = line.children().last().html();
+      if (confirm('确定要删除资源' + line.children().first().children().attr('title').trim() + '么')){
           $.ajax({
-          type:'post',
-          url:'<%= user_resource_delete_user_path(@user)%>'+'?resource_id='+id
+              type: 'post',
+              url: '<%= user_resource_delete_user_path(@user)%>' + '?resource_id=' + id
           });
       }
+  }
 
 </script>
 

config/routes.rb

@@ -351,6 +351,7 @@ RedmineApp::Application.routes.draw do
       get "search_user_course"
       post "add_exist_file_to_course"
       get 'resource_preview'
+      post 'rename_resource'
     # end
     end
   end