如何在不失去调用点击功能的情况下禁用输入？

I have an issue to overcome. I have some radio buttons that are disabled when some conditions are satisfied, but normally when input is disabled by ng-disabled ng-click can't be call by clicking on that input. I need to display some alerts for user which will tell why particular option can't be selected and now I have a problem. Can someone help?I have an issue to overcome. I have some radio