silverstripe-cms/javascript/ReportAdmin.Tree.js

jQuery(function($) {
	/**
	 * @class Tree panel.
	 * @name ss.sitetree
	 */
	$('#sitetree').concrete('ss', function($){
		return/** @lends ss.sitetree */{
			onmatch: function() {
				// make sure current ID of loaded form is actually selected in tree
				var id = $('#Form_EditForm :input[name=ID]').val();
				if (id) this[0].setCurrentByIdx(id);
			}
		};
	});
});