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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._start = 0.0        
        self._elapsedtime = 0.0
        self._running = 0
        self.timestr = StringVar()
        #self.lapstr = StringVar()
        self.e = 0
        self.m = 0
        self.makeWidgets()
        self.laps = []
        self.lapmod2 = 0
        self.today = time.strftime("%d %b %Y %H-%M-%S", time.localtime())
        
    def makeWidgets(self):                         
        """ Make the time label. """
        l1 = Label(self, text='----File Name----')
        l1.pack(fill=X, expand=NO, pady=1, padx=2)

        self.e = Entry(self)
        self.e.pack(pady=2, padx=2)
        
        l = Label(self, textvariable=self.timestr)
        self._setTime(self._elapsedtime)
        l.pack(fill=X, expand=NO, pady=3, padx=2)

        l2 = Label(self, text='----Laps----')
        l2.pack(fill=X, expand=NO, pady=4, padx=2)

        scrollbar = Scrollbar(self, orient=VERTICAL)
        self.m = Listbox(self,selectmode=EXTENDED, height = 5,
                         yscrollcommand=scrollbar.set)
        self.m.pack(side=LEFT, fill=BOTH, expand=1, pady=5, padx=2)
        scrollbar.config(command=self.m.yview)
        scrollbar.pack(side=RIGHT, fill=Y)
   
    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 """
        minutes = int(elap/60)
        seconds = int(elap - minutes*60.0)
        hseconds = int((elap - minutes*60.0 - seconds)*100)                
        self.timestr.set('%02d:%02d:%02d' % (minutes, seconds, hseconds))

    def _setLapTime(self, elap):
        """ Set the time string to Minutes:Seconds:Hundreths """
        minutes = int(elap/60)
        seconds = int(elap - minutes*60.0)
        hseconds = int((elap - minutes*60.0 - seconds)*100)            
        return '%02d:%02d:%02d' % (minutes, seconds, hseconds)
        
    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. """
        self._start = time.time()         
        self._elapsedtime = 0.0
        self.laps = []   
        self._setTime(self._elapsedtime)

    def Lap(self):
        '''Makes a lap, only if started'''
        tempo = self._elapsedtime - self.lapmod2
        if self._running:
            self.laps.append(self._setLapTime(tempo))
            self.m.insert(END, self.laps[-1])
            self.m.yview_moveto(1)
            self.lapmod2 = self._elapsedtime
       
    def GravaCSV(self):
        '''Pega nome do cronometro e cria arquivo para guardar as laps'''
        arquivo = str(self.e.get()) + ' - '
        with open(arquivo + self.today + '.txt', 'wb') as lapfile:
            for lap in self.laps:
                lapfile.write((bytes(str(lap) + '\n', 'utf-8')))
            
def main():
    root = Tk()
    root.wm_attributes("-topmost", 1)      #always on top - might do a button for it
    sw = StopWatch(root)
    sw.pack(side=TOP)

    Button(root, text='Lap', command=sw.Lap).pack(side=LEFT)
    Button(root, text='Start', command=sw.Start).pack(side=LEFT)
    Button(root, text='Stop', command=sw.Stop).pack(side=LEFT)
    #Button(root, text='Reset', command=sw.Reset).pack(side=LEFT)
    Button(root, text='Save', command=sw.GravaCSV).pack(side=LEFT)
    Button(root, text='Quit', command=root.quit).pack(side=LEFT)    
    
    root.mainloop()

if __name__ == '__main__':
    main()

Diff to Previous Revision

--- revision 2 2013-09-19 14:36:43
+++ revision 3 2013-09-19 18:42:10
@@ -9,18 +9,36 @@
         self._elapsedtime = 0.0
         self._running = 0
         self.timestr = StringVar()
-        self.lapstr = StringVar()
+        #self.lapstr = StringVar()
+        self.e = 0
+        self.m = 0
         self.makeWidgets()
-        self.laps = [0]
+        self.laps = []
         self.lapmod2 = 0
         self.today = time.strftime("%d %b %Y %H-%M-%S", time.localtime())
         
     def makeWidgets(self):                         
         """ Make the time label. """
+        l1 = Label(self, text='----File Name----')
+        l1.pack(fill=X, expand=NO, pady=1, padx=2)
+
+        self.e = Entry(self)
+        self.e.pack(pady=2, padx=2)
+        
         l = Label(self, textvariable=self.timestr)
         self._setTime(self._elapsedtime)
-        l.pack(fill=X, expand=NO, pady=2, padx=2)
-            
+        l.pack(fill=X, expand=NO, pady=3, padx=2)
+
+        l2 = Label(self, text='----Laps----')
+        l2.pack(fill=X, expand=NO, pady=4, padx=2)
+
+        scrollbar = Scrollbar(self, orient=VERTICAL)
+        self.m = Listbox(self,selectmode=EXTENDED, height = 5,
+                         yscrollcommand=scrollbar.set)
+        self.m.pack(side=LEFT, fill=BOTH, expand=1, pady=5, padx=2)
+        scrollbar.config(command=self.m.yview)
+        scrollbar.pack(side=RIGHT, fill=Y)
+   
     def _update(self): 
         """ Update the label with elapsed time. """
         self._elapsedtime = time.time() - self._start
@@ -35,11 +53,11 @@
         self.timestr.set('%02d:%02d:%02d' % (minutes, seconds, hseconds))
 
     def _setLapTime(self, elap):
-        """ Returns lap time in minutes and seconds """
+        """ Set the time string to Minutes:Seconds:Hundreths """
         minutes = int(elap/60)
         seconds = int(elap - minutes*60.0)
-        hseconds = int((elap - minutes*60.0 - seconds)*100)                
-        return '%02d:%02d' % (minutes, seconds)    
+        hseconds = int((elap - minutes*60.0 - seconds)*100)            
+        return '%02d:%02d:%02d' % (minutes, seconds, hseconds)
         
     def Start(self):                                                     
         """ Start the stopwatch, ignore if running. """
@@ -59,7 +77,8 @@
     def Reset(self):                                  
         """ Reset the stopwatch. """
         self._start = time.time()         
-        self._elapsedtime = 0.0    
+        self._elapsedtime = 0.0
+        self.laps = []   
         self._setTime(self._elapsedtime)
 
     def Lap(self):
@@ -67,24 +86,27 @@
         tempo = self._elapsedtime - self.lapmod2
         if self._running:
             self.laps.append(self._setLapTime(tempo))
-            print (self.laps)
+            self.m.insert(END, self.laps[-1])
+            self.m.yview_moveto(1)
             self.lapmod2 = self._elapsedtime
        
     def GravaCSV(self):
         '''Pega nome do cronometro e cria arquivo para guardar as laps'''
-        with open(str(self.today) + '.txt', 'wb') as lapfile:
+        arquivo = str(self.e.get()) + ' - '
+        with open(arquivo + self.today + '.txt', 'wb') as lapfile:
             for lap in self.laps:
                 lapfile.write((bytes(str(lap) + '\n', 'utf-8')))
             
 def main():
     root = Tk()
+    root.wm_attributes("-topmost", 1)      #always on top - might do a button for it
     sw = StopWatch(root)
     sw.pack(side=TOP)
 
     Button(root, text='Lap', command=sw.Lap).pack(side=LEFT)
     Button(root, text='Start', command=sw.Start).pack(side=LEFT)
     Button(root, text='Stop', command=sw.Stop).pack(side=LEFT)
-    Button(root, text='Reset', command=sw.Reset).pack(side=LEFT)
+    #Button(root, text='Reset', command=sw.Reset).pack(side=LEFT)
     Button(root, text='Save', command=sw.GravaCSV).pack(side=LEFT)
     Button(root, text='Quit', command=root.quit).pack(side=LEFT)    
     

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