Директива-обертка для Tooltip-а из Twitter Bootstrap (source - http://habrahabr.ru/post/164493/)
<span class="label label-warning"
tb-tooltip
title="You should pay order before {{order.cancelDateTime | date:'dd.MM.yyyy HH:mm'}}"
>
{{order.cancelDateTime | date:'dd.MM.yyyy HH:mm'}}
</span>
angular.module("ExperimentsModule", [])
.directive("tbTooltip", function(){
return function(scope, element, iAttrs) {
iAttrs.$observe('title', function(value) {
element.removeData('tooltip');
element.tooltip();
});
}
});