When clicking on a link in dolphin it asks for "Open with:"

[user1]

>> When clicking on a link in dolphin it asks for "Open with:" and I
>> answer "dolphin" - I also check "Remember application for this type of
>> file".

> Right-click on the Object, Chose Proprieteries" (or Alt-Enter) and click
> on the Tool Icon, right of the Type: Line ...
> 
> An Option Box regarding this Type is opening and you can chose and setup
> the actions, you want.
> 36/201/14198

Does not help ?