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

   1 <div class="apiDetail">\r
   2 <div>\r
   3         <h2><span>Function(treeId, treeNode)</span><span class="path">setting.callback.</span>beforeRemove</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>用于捕获节点被删除之前的事件回调函数，并且根据返回值确定是否允许删除操作</p>\r
   9                         <p>默认值：null</p>\r
  10                 </div>\r
  11         </div>\r
  12         <h3>Function 参数说明</h3>\r
  13         <div class="desc">\r
  14         <h4><b>treeId</b><span>String</span></h4>\r
  15         <p>对应 zTree 的 <b class="highlight_red">treeId</b>，便于用户操控</p>\r
  16         <h4 class="topLine"><b>treeNode</b><span>JSON</span></h4>\r
  17         <p>将要删除的节点 JSON 数据对象</p>\r
  18         <h4 class="topLine"><b>返回值</b><span>Boolean</span></h4>\r
  19         <p>返回值是 true / false</p>\r
  20         <p class="highlight_red">如果返回 false，zTree 将不删除节点，也无法触发 onRemove 事件回调函数</p>\r
  21         </div>\r
  22         <h3>setting & function 举例</h3>\r
  23         <h4>1. 禁止全部删除操作</h4>\r
  24         <pre xmlns=""><code>function zTreeBeforeRemove(treeId, treeNode) {\r
  25         return false;\r
  26 }\r
  27 var setting = {\r
  28         edit: {\r
  29                 enable: true\r
  30         },\r
  31         callback: {\r
  32                 beforeRemove: zTreeBeforeRemove\r
  33         }\r
  34 };\r
  35 ......</code></pre>\r
  36 </div>\r
  37 </div>