This is an excerpt from the Scala Cookbook (partially modified for the internet). This is a short recipe, Recipe 18.7, “How to configure SBT to work with Eclipse.”
Problem
You want to use Eclipse with a project you’re managing with SBT.
Solution
Use the Scala IDE for Eclipse project so you can work on Scala projects in Eclipse, and use the “sbteclipse” plug-in to enable SBT to generate files for Eclipse.