from Tkinter import *
import time

class StopWatch(Frame):  
    """ Implements a stop watch frame widget. """                                                                
    def __init__(self, parent=None, **kw):        
        Frame.__init__(self, parent, kw)
        self.flag = 0
        self._start = 0.0        
        self._elapsedtime = 0.0
        self._running = 0
        self.timestr = StringVar()               
        self.makeWidgets()      
        self.control = ''


    def makeWidgets(self):                         
        """ Make the time label. """
        l = Label(self, bg = "black", fg = "green", textvariable=self.timestr)
        self._setTime(self._elapsedtime)
        l.pack(fill=X, expand=NO, pady=2, padx=2)                      
    
    def _update(self): 
        """ Update the label with elapsed time. """
        self._elapsedtime = time.time() - self._start
        self._setTime(self._elapsedtime)
        self._timer = self.after(50, self._update)
    
    def _setTime(self, elap):
        """ Set the time string to Minutes:Seconds:Hundreths """
        hours   = int(elap/3600)
        minutes = int(elap/60 - hours*60.0)
        if minutes % 10 == 0:
            r = 1
        else:
            r = 0
        if r == 0:
            self.flag = 0
        else:   # also r == 1
            if self.flag == 0:
                print '\a'
                # print 'jetzt'
                self.flag = 1

            
        seconds = int(elap - minutes*60.0 - hours*3600)
        self.timestr.set('%02d:%02d:%02d' % (hours, minutes, seconds))
        self.control = str(hours) + ':' + str(minutes)

    def Start(self):                                                     
        """ Start the stopwatch, ignore if running. """
        if not self._running:            
            self._start = time.time() - self._elapsedtime
            self._update()
            self._running = 1        
    
    def Stop(self):                                    
        """ Stop the stopwatch, ignore if stopped. """
        if self._running:
            self.after_cancel(self._timer)            
            self._elapsedtime = time.time() - self._start
            self._setTime(self._elapsedtime)
            self._running = 0
    
    def Reset(self):                                  
        """ Reset the stopwatch. """
        monate = ('Dummy', 'Jan', 'Febr', 'Mrz', 'Apr', 'Mai', 'Juni', 'Juli', 'Aug', 'Sept', 'Okt', 'Nov', 'Dez')
        now = time.time()
        datum = time.localtime(now)
        b = datum[1]
        f = open('log-' + monate[b]+'.txt' , 'a')
        f.write(self.control + '\n')
        f.close()
        self._start = time.time()         
        self._elapsedtime = 0.0    
        self._setTime(self._elapsedtime)
        
        
def main():
    root = Tk()
    root.title('Timer, Version 1.5')
    sw = StopWatch(root)
    sw.pack(side=TOP)
    
    Button(root, text='Start', command=sw.Start).pack(side=LEFT)
    Button(root, text='Stop', command=sw.Stop).pack(side=LEFT)
    Button(root, text='Save', command=sw.Reset).pack(side=LEFT)
    Button(root, text='Quit', command=root.quit).pack(side=LEFT)
    
    root.mainloop()

if __name__ == '__main__':
    main()