portal-common/src/main/webapp/common/thirdparty/zTree/api/cn/setting.callback.onDrag.html

   1 <div class="apiDetail">\r
   2 <div>\r
   3         <h2><span>Function(event, treeId, treeNodes)</span><span class="path">setting.callback.</span>onDrag</h2>\r
   4         <h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.exedit</span> 扩展 js ]</span></h3>\r
   5         <div class="desc">\r
   6                 <p></p>\r
   7                 <div class="longdesc">\r
   8                         <p>用于捕获节点被拖拽的事件回调函数</p>\r
   9                         <p class="highlight_red">如果设置了 setting.callback.beforeDrag 方法，且返回 false，将无法触发 onDragMove 和 onDrag 事件回调函数。</p>\r
  10                         <p>默认值：null</p>\r
  11                 </div>\r
  12         </div>\r
  13         <h3>Function 参数说明</h3>\r
  14         <div class="desc">\r
  15         <h4><b>event</b><span>js event 对象</span></h4>\r
  16         <p>标准的 js event 对象</p>\r
  17         <h4 class="topLine"><b>treeId</b><span>String</span></h4>\r
  18         <p>被拖拽的节点 treeNodes 所在 zTree 的 <b class="highlight_red">treeId</b>，便于用户操控</p>\r
  19         <h4 class="topLine"><b>treeNodes</b><span>Array(JSON)</span></h4>\r
  20         <p>要被拖拽的节点 JSON 数据集合</p>\r
  21         </div>\r
  22         <h3>setting & function 举例</h3>\r
  23         <h4>1. 每次开始进行拖拽节点后， 弹出被拖拽节点的个数信息</h4>\r
  24         <pre xmlns=""><code>function zTreeOnDrag(event, treeId, treeNodes) {\r
  25     alert(treeNodes.length);\r
  26 };\r
  27 var setting = {\r
  28         callback: {\r
  29                 onDrag: zTreeOnDrag\r
  30         }\r
  31 };\r
  32 ......</code></pre>\r
  33 </div>\r
  34 </div>