>>I just added this line into it
>>
>> if (element[0].disabled = "false")
>>
>>Not sure, if correct at all or not. Will try it out.
>>
>>UPDATE 2. Adding this line made control show disabled, so I removed it from the directive.
>>
>>Thanks in advance.
>
>= is assignment. Use ===

I think I got the idea I thought of originally implemented. See my solution and discussion here

http://stackoverflow.com/questions/24966135/conditional-focus/24978138#24978138

Since I am very new to AngularJs I may be not using best practices. If you can check my implementation, can you tell if it's OK?

Thanks in advance.