openo-portal/portal-common/src/main/webapp/common/thirdparty/zTree/api/en/setting.callback.beforeDblClick.html

   1 <div class="apiDetail">
   2 <div>
   3         <h2><span>Function(treeId, treeNode)</span><span class="path">setting.callback.</span>beforeDblClick</h2>
   4         <h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
   5         <div class="desc">
   6                 <p></p>
   7                 <div class="longdesc">
   8                         <p>Used to capture the dblclick event before the 'onDblClick' callback, zTree based on return value to determine whether to trigger the 'onDblClick' callback.</p>
   9                         <p>Default: null</p>
  10                 </div>
  11         </div>
  12         <h3>Function Parameter Descriptions</h3>
  13         <div class="desc">
  14         <h4><b>treeId</b><span>String</span></h4>
  15         <p>zTree unique identifier: <b class="highlight_red">treeId</b>, easy for users to control.</p>
  16         <h4 class="topLine"><b>treeNode</b><span>JSON</span></h4>
  17         <p>JSON data object of the node which is double clicked</p>
  18         <p class="highlight_red">If the DOM which dblclicked isn't a node, it will return null.</p>
  19         <h4 class="topLine"><b>Return </b><span>Boolean</span></h4>
  20         <p>return true or false</p>
  21         <p class="highlight_red">If return false, ztree will not trigger the 'onDblClick' callback, no effect on other operations.</p>
  22         <p class="highlight_red">This callback function does not affect the dblclick the parent node to auto expand, please refer to setting.view.dblClickExpand properties.</p>
  23         </div>
  24         <h3>Examples of setting & function</h3>
  25         <h4>1. disable to trigger the 'onDblClick' callback</h4>
  26         <pre xmlns=""><code>function zTreeBeforeDblClick(treeId, treeNode) {
  27     return false;
  28 };
  29 var setting = {
  30         callback: {
  31                 beforeDblClick: zTreeBeforeDblClick
  32         }
  33 };
  34 ......</code></pre>
  35 </div>
  36 </div>