Topic: How to make? (Without intersecting the logician and GUI)
There is the certain system working as certain objects. Each object is presented on GUI in a type . it is possible to drag and interchange the position it it is simple as more conveniently to the user, does not change any logic. And so this order - how the user arranged - it is necessary to save with all this structure of objects in a file. Now rationally logic and GUI are spaced strongly apart. And saving, of course, in the logician. And as to me there on-krasivshe to push through the order in GUI - mind I will not put. That is simply to make, that worked - a heap of methods. But here is how on mind such to turn?