def invoke(self):
'''
Method for starting the controller
'''
self.searchThread = SearchThread(self.tweetqueue, self.database)
self.mover = None
self.root = Tk()
self.root.resizable(FALSE,FALSE)
self.root.after(5000, self.showNewTweetIfFound, self.root)
seetweets = MainFrame("SeeTweets", self.root)
self.searchThread.addObserver(seetweets.handleException, events="exception")
self.searchThread.addObserver(seetweets.statusChanged, events="statusChanged")
#TODO: addObserverToElement ?
seetweets.addObserverToHashEntry(self.searchThread.setQuery, events="queryChanged")
self.root.protocol("WM_DELETE_WINDOW", self.safelyExitApplication)
self.searchThread.start()
self.root.mainloop()
