From d74b495736f0c04522ec54274b70fed0ded2878d Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Tue, 27 Jun 2023 11:30:06 +0800
Subject: [PATCH] 任务新增导出
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+<div class="apiDetail">
+<div>
+ <h2><span>Function(treeId, treeNodes)</span><span class="path">setting.callback.</span>beforeDrag</h2>
+ <h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.exedit</span> js ]</span></h3>
+ <div class="desc">
+ <p></p>
+ <div class="longdesc">
+ <p>Specify callback function to be called before the drag node callback, The return value controls whether the drag node callback will execute.</p>
+ <p>Default: null</p>
+ </div>
+ </div>
+ <h3>Function Parameter Descriptions</h3>
+ <div class="desc">
+ <h4><b>treeId</b><span>String</span></h4>
+ <p>zTree unique identifier: <b class="highlight_red">treeId</b>, the id of the containing tree.</p>
+ <h4 class="topLine"><b>treeNodes</b><span>Array(JSON)</span></h4>
+ <p>A collection of the nodes being dragged</p>
+ <p class="highlight_red">v3.x allows the drag and drop of multiple sibling nodes, so this parameter's type is changed to Array(JSON).</p>
+ <p class="highlight_red">If the selected nodes aren't sibling nodes, you can only drag one node.</p>
+ <h4 class="topLine"><b>Return </b><span>Boolean</span></h4>
+ <p>return true or false</p>
+ <p class="highlight_red">If return false, zTree will abort the drag and drop, and will not trigger the 'onDrag / beforeDrop / onDrop' sequence of callbacks.</p>
+ </div>
+ <h3>Examples of setting & function</h3>
+ <h4>1. disable drag completely (by returning false)</h4>
+ <pre xmlns=""><code>function myBeforeDrag(treeId, treeNodes) {
+ return false;
+};
+var setting = {
+ edit: {
+ enable: true
+ },
+ callback: {
+ beforeDrag: myBeforeDrag
+ }
+};
+......</code></pre>
+</div>
+</div>
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