java customized JTree insertnodeinto
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there is a lot of similar topics that I've seen here but couldn't really find solution to my little problem.

My application is searching through a file and showing the results inside a jtree. and I have a problem with that. When I add new nodes to a tree using insertNodeInto(...); i can search through found items while still searching but there is a problem with visualization. I mean there is a problem with rendering the nodes - I really can't explain that properly so I'm including this image.

 http://i47.tinypic.com/5ewarn.png

When I use reload on jtree at the end of searching everything is back to normal - rendering is ok, unfortunately this closes all tabs that user opened. 


I'm a student - sorry for my poor english. I hope someone know why this problem appears. 
