tba-gx-guochan/public/static/plugins/zTree_v3/api/en/setting.callback.onCollapse.html

<div class="apiDetail">
    <div>
        <h2><span>Function(event, treeId, treeNode)</span><span class="path">setting.callback.</span>onCollapse</h2>
        <h3>Overview<span class="h3_info">[ depends on <span
                class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
        <div class="desc">
            <p></p>
            <div class="longdesc">
                <p>Callback for collapse node.</p>
                <p class="highlight_red">If you set 'setting.callback.beforeCollapse',and return false, zTree will not
                    collapse node, and will not trigger the 'onCollapse' callback.</p>
                <p>Default: null</p>
            </div>
        </div>
        <h3>Function Parameter Descriptions</h3>
        <div class="desc">
            <h4><b>event</b><span>js event Object</span></h4>
            <p>event Object</p>
            <h4 class="topLine"><b>treeId</b><span>String</span></h4>
            <p>zTree unique identifier: <b class="highlight_red">treeId</b>.</p>
            <h4 class="topLine"><b>treeNode</b><span>JSON</span></h4>
            <p>JSON data object of the node to be collapsed</p>
        </div>
        <h3>Examples of setting & function</h3>
        <h4>1. When collapse node, alert info about 'tId' and 'name'.</h4>
        <pre xmlns=""><code>function myOnCollapse(event, treeId, treeNode) {
    alert(treeNode.tId + ", " + treeNode.name);
};
var setting = {
	callback: {
		onCollapse: myOnCollapse
	}
};
......</code></pre>
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