资源库

app/controllers/users_controller.rb

@@ -828,6 +828,60 @@ class UsersController < ApplicationController
      end
   end
 
+  #根据id或者名称搜索教师或者助教为当前用户的课程
+  def search_user_course
+    @user = User.current
+    if !params[:search].nil?
+        @course = @user.courses.where(" #{Course.table_name}.id = #{params[:search].to_i } or #{Course.table_name}.name like '%#{params[:search.to_s]}%'")
+              .select { |course|  @user.allowed_to?(:as_teacher,course)}
+    else
+      @course = @user.courses
+      .select { |course|  @user.allowed_to?(:as_teacher,course)}
+    end
+    @send_id = params[:send_id]
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  # 将资源发送到对应的课程
+  def add_exist_file_to_course
+    send_id  = params[:send_id]
+    course_ids = params[:course_ids]
+    unless course_ids.nil?
+      course_ids.each do |id|
+        ori = Attachment.find_by_id(send_id)
+        next if ori.blank?
+        attach_copied_obj = ori.copy
+        attach_copied_obj.tag_list.add(ori.tag_list) # tag关联
+        attach_copied_obj.container = Course.find(id)
+        attach_copied_obj.created_on = Time.now
+        attach_copied_obj.author_id = User.current.id
+        if attach_copied_obj.attachtype == nil
+          attach_copied_obj.attachtype = 4
+        end
+        attach_copied_obj.save
+        @save_message = attach_copied_obj.errors.full_messages
+    end
+   end
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  # 资源预览
+  def resource_preview
+      preview_id = params[:resource_id]
+      @file = Attachment.find(preview_id)
+      @preview_able = false;
+      if %w(pdf pptx doc docx xls xlsx).any?{|x| @file.filename.downcase.end_with?(x)}
+         @preview_able = true;
+      end
+      respond_to do |format|
+        format.js
+      end
+  end
+
   def destroy
     @user.destroy
     respond_to do |format|

app/views/users/_resource_share_popup.html.erb

@@ -0,0 +1,39 @@
+
+
+<div class="resourceSharePopup"> <span class="sendText">将资源移动至 </span>
+  <div class="resourcePopupClose"> <a href="javascript:void(0);" class="resourceClose" onclick="closeModal();"></a></div>
+  <div>
+    <%= form_tag  search_user_course_user_path(user),:method => 'get',
+                  :remote=>true,:id=>'search_user_course_form',:class=>'resourcesSearchBox' do %>
+        <%= hidden_field_tag(:send_id, @send_id) %>
+      <input type="text" name="search" placeholder="输入课程ID或者名称搜索" class="searchResourcePopup" />
+      <!--<a href="javascript:void(0);"  class="searchIconPopup"></a>-->
+        <%= submit_tag '',:class=>'searchIconPopup',:onfocus=>"this.blur();",:style=>'border-style:none' %>
+    <% end %>
+  </div>
+  <%= form_tag add_exist_file_to_course_user_path(user),:remote=>true,:id=>'course_list_form' %>
+  <div>
+
+    <%= hidden_field_tag(:send_id, @send_id) %>
+    <% if !courses.empty?  %>
+        <% courses.each do |course| %>
+        <ul class="courseSend">
+          <li class="fl">
+            <input name="course_ids[]" type="checkbox" value="<%= course.id %>" class="courseSendCheckbox"/>
+          </li>
+          <li class="sendCourseName fl"><%= course.name%></li>
+        </ul>
+        <% end %>
+
+  </div>
+  <div>
+    <div class="courseSendSubmit">
+      <!--<a href="javascript:void(0);" class="sendSourceText">确定</a>-->
+      <%= submit_tag '确定',:class=>'sendSourceText',:onfocus=>'this.blur();' %>
+    </div>
+    <div class="courseSendCancel"><a href="javascript:void(0);" class="sendSourceText" onclick="closeModal();">取消</a></div>
+  </div>
+  <div class="cl"></div>
+    <% end %>
+</div>
+

app/views/users/add_exist_file_to_course.js.erb

@@ -0,0 +1 @@
+closeModal();

app/views/users/resource_preview.js.erb

@@ -0,0 +1,3 @@
+<% if @preview_able %>
+top.location.href = '<%=download_named_attachment_path(@file.id, @file.filename, preview: true) %>'
+<% end %>

app/views/users/search_user_course.js.erb

@@ -0,0 +1,11 @@
+var screenWidth = $(window).width();
+var screenHeight = $(window).height(); //当前浏览器窗口的 宽高
+var scrolltop = $(document).scrollTop();//获取当前窗口距离页面顶部高度
+var objLeft = (screenWidth - 2)/2.5 ;   //2 可以根据需要修改
+var objTop = (screenHeight - 100)/2 + scrolltop;  //100可以根据需要修改
+var popupHeight = $(".resourceSharePopup").outerHeight(true);
+$(".resourceSharePopup").css("marginTop",-popupHeight/2);
+
+$("#upload_box").css('left',objLeft).css('top',objTop);
+$("#upload_box").html('<%= escape_javascript( render :partial => "resource_share_popup" ,:locals => {:courses=>@course,:user=>@user})%>');
+$("#upload_box").css('display','block');

app/views/users/user_resource.html.erb

@@ -100,10 +100,10 @@
    <%= render :partial => 'upload_resource' ,:locals => {:user=>@user}%>
 </div>
 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu" id="contextMenu">
-  <li><a tabindex="-1" href="#">预览</a></li>
-  <li><a tabindex="-1" href="#">重命名</a></li>
-  <li><a tabindex="-1" href="#" onclick="show_send();">发送</a></li>
-  <li><a tabindex="-1" href="#" onclick="delete_file();">删除</a></li>
+  <li><a tabindex="-1" href="#" onclick="preview();" onfocus="this.blur()">预览</a></li>
+  <li><a tabindex="-1" href="#" onclick="rename();" onfocus="this.blur()">重命名</a></li>
+  <li><a tabindex="-1" href="#" onclick="show_send();" onfocus="this.blur()" >发送</a></li>
+  <li><a tabindex="-1" href="#" onclick="delete_file();" onfocus="this.blur()">删除</a></li>
 </ul>
 
 <script>
@@ -111,6 +111,8 @@
   var pageY = 0;
   var line;
   var last_line;
+  var res_name;
+  var res_link;
 $(".resourcesList").mousedown(function(e) {  
             if (3 == e.which) {
                  document.oncontextmenu = function() {return false;}
@@ -129,7 +131,9 @@ $(".resourcesList").mousedown(function(e) {
                 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){
+
                    last_line.children().css("background-color", 'white');
+                    restore();
                     last_line == null;
                 }
                 //如果当前的tag是li，那么还要li的父级元素
@@ -151,15 +155,48 @@ $(".resourcesList").click(function(e) {
             if(line.get(0).tagName === 'LI'){
                 line = line.parent();
             }
+        }else{
+            restore();
         }
         line.children().css("background-color", 'white');
-        line = null;
+
 });
   function show_send(){
       $("#contextMenu").hide();
       document.oncontextmenu = function() {return true;}
       line.children().css("background-color",'white');
-      line.children().last().html();
+      id = line.children().last().html();
+      $.ajax({
+          type:'get',
+          url:'<%= search_user_course_user_path(@user)%>'+'?send_id='+id
+      });
+  }
+
+  function preview(){
+      $("#contextMenu").hide();
+      document.oncontextmenu = function() {return true;}
+      line.children().css("background-color",'white');
+      id = line.children().last().html();
+      $.ajax({
+          type:'get',
+          url:'<%= resource_preview_user_path(@user)%>'+"?resource_id="+id
+      });
+  }
+
+  function rename(){
+      $("#contextMenu").hide();
+      document.oncontextmenu = function() {return true;}
+      line.children().css("background-color",'white');
+      id = line.children().last().html();
+      res_name = line.children().first().children().html();
+      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>');
+      $("#res_name").focus();
+  }
+  function restore(){
+      if( line != null && res_link != null && res_link != '') {
+          line.children().first().html(res_link);
+      }
   }
 
   function delete_file(){

config/routes.rb

@@ -348,6 +348,9 @@ RedmineApp::Application.routes.draw do
       post "resource_search"
       post "user_resource_create"
       post "user_resource_delete"
+      get "search_user_course"
+      post "add_exist_file_to_course"
+      get 'resource_preview'
     # end
     end
   end