36 lines
1.5 KiB
HTML
36 lines
1.5 KiB
HTML
<div class="apiDetail">
|
||
<div>
|
||
<h2><span>Function(treeId, treeNode)</span><span class="path">setting.callback.</span>beforeDblClick</h2>
|
||
<h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.core</span> 核心 js ]</span></h3>
|
||
<div class="desc">
|
||
<p></p>
|
||
<div class="longdesc">
|
||
<p>用于捕获 zTree 上鼠标双击之前的事件回调函数，并且根据返回值确定触发 onDblClick 事件回调函数</p>
|
||
<p>默认值：null</p>
|
||
</div>
|
||
</div>
|
||
<h3>Function 参数说明</h3>
|
||
<div class="desc">
|
||
<h4><b>treeId</b><span>String</span></h4>
|
||
<p>对应 zTree 的 <b class="highlight_red">treeId</b>，便于用户操控</p>
|
||
<h4 class="topLine"><b>treeNode</b><span>JSON</span></h4>
|
||
<p>鼠标双击时所在节点的 JSON 数据对象</p>
|
||
<p class="highlight_red">如果不在节点上，则返回 null</p>
|
||
<h4 class="topLine"><b>返回值</b><span>Boolean</span></h4>
|
||
<p>返回值是 true / false</p>
|
||
<p class="highlight_red">如果返回 false，将仅仅无法触发 onDblClick 事件回调函数，对其他操作无任何影响</p>
|
||
<p class="highlight_red">此事件回调函数对双击节点展开功能无任何影响，如果需要设置请参考 setting.view.dblClickExpand 属性</p>
|
||
</div>
|
||
<h3>setting & function 举例</h3>
|
||
<h4>1. 禁止 onDblClick 事件</h4>
|
||
<pre xmlns=""><code>function zTreeBeforeDblClick(treeId, treeNode) {
|
||
return false;
|
||
};
|
||
var setting = {
|
||
callback: {
|
||
beforeDblClick: zTreeBeforeDblClick
|
||
}
|
||
};
|
||
......</code></pre>
|
||
</div>
|
||
</div> |