Angular directive for Smart-Table to make its internal objects available

expose.js

// FROM https://github.com/lorenzofox3/Smart-Table/issues/235#issuecomment-64878223
angular.module("app").directive("expose", function()
{
	return {
		require:"stTable",
		link: function(scope, element, attr, ctrl)
		{
			if (attr["expose"].length > 0)
			{
				if (!scope.$parent.smartTable)
				{
					scope.$parent.smartTable = {};
				}
				scope.$parent.smartTable[attr["expose"]] = ctrl;
				if (!scope.$parent.smartTableState)
				{
					scope.$parent.smartTableState = {};
				}
				scope.$parent.smartTableState[attr["expose"]] = ctrl.tableState();
			}
			else
			{
				scope.$parent.smartTable = ctrl;
				scope.$parent.smartTableState = ctrl.tableState();
			}
		}
	};
});