String baseDir = buffer.getPath();
String name = buffer.getName();
if (baseDir != null) {
    if (baseDir.lastIndexOf(File.separator+"models"+File.separator, baseDir.length()) != -1) {
        lastIndex = baseDir.lastIndexOf(File.separator, baseDir.length());
        baseDir = baseDir.substring(0, lastIndex-7);
        newname = name.substring(0, name.length() - 3);
        openfile = new File(baseDir + File.separator + "controllers" + File.separator + newname + "_controller.rb");

        if(openfile.exists())
          {
              jEdit.openFile(view, baseDir + File.separator + "controllers" + File.separator + newname + "_controller.rb");
              return true;
          }
    }
    else {
        lastIndex = baseDir.lastIndexOf(File.separator, baseDir.length());
        baseDir = baseDir.substring(0, lastIndex-11);
        newname = name.substring(0, name.length() - 14);
        openfile = new File(baseDir + File.separator + "models" + File.separator + newname + ".rb");

        if(openfile.exists())
          {
              jEdit.openFile(view, baseDir + File.separator + "models" + File.separator + newname + ".rb");
              return true;
          }
    }

}