silverstripe-reports/javascript/ReportAdmin.Tree.js

(function($) {
	$.entwine('ss', function($){
		/**
		 * @class Tree panel.
		 * @name ss.sitetree
		 */
		$('#sitetree').entwine(/** @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);
				
				this._super();
			}
		});
	});
}(jQuery));