Has anyone here swapped a whole trigger from say a Diana 60 and fitted it to another gun?

Would you knoskc off the original trigger housing a weld the new one on, or just swap the components over and keep the origininal housing?

I have a Park and I wonder if it's possibleto put a Diana 60 trigger on it. I guessed that it must be more appropriate than other trigger, because it holds back two pitons also...

Thanks
ALex