def __init__(self, preferences, parent=None, info=None):
QtGui.QWidget.__init__(self, parent)
# initialize GUI
self.ui = Ui_loadDataDlg()
self.ui.setupUi(self)
self.centerWindow()
self.preferences = preferences
# connect signals to slots
self.connect(self.ui.tbProfileFile, QtCore.SIGNAL("clicked()"), self.openProfileFile)
self.connect(self.ui.tbMetadataFile, QtCore.SIGNAL("clicked()"), self.openMetadataFile)
