gistfile1.js

angular.module('pslm')
	.directive('pdkNextInputOnEnter', function() {
		var includeTags = ['INPUT', 'SELECT'];

		function link(scope, element, attrs) {
			element.on('keydown', function (e) {
				// Go to next form element on enter and only for included tags
				if (e.keyCode == 13 && includeTags.indexOf(e.target.tagName) != -1) {
					// Find all form elements that can receive focus
					var focusable = element[0].querySelectorAll('input,select,button,textarea');

					// Get the index of the currently focused element
					var currentIndex = Array.prototype.indexOf.call(focusable, e.target);

					// Find the next items in the list
					var nextIndex = currentIndex == focusable.length - 1 ? 0 : currentIndex + 1;

					// Focus the next element
					if(nextIndex >= 0 && nextIndex < focusable.length)
						focusable[nextIndex].focus();
					
					return false;
				}
			});
		}

		return {
			restrict: 'A',
			link: link
		};
	})