Scale Demo: get scale value and open different dialogs
from Tkinter import *
from tkFileDialog import askopenfilename
from tkColorChooser import askcolor
from tkMessageBox import askquestion, showerror
from tkSimpleDialog import askfloat
from tkMessageBox import askokcancel
class Quitter(Frame):
def __init__(self, parent=None):
Frame.__init__(self, parent)
self.pack()
widget = Button(self, text='Quit', command=self.quit)
widget.pack(expand=YES, fill=BOTH, side=LEFT)
def quit(self):
ans = askokcancel('Verify exit', "Really quit?")
if ans: Frame.quit(self)
demos = {
'Open': askopenfilename,
'Color': askcolor,
'Query': lambda: askquestion('Warning', 'query'),
'Error': lambda: showerror('Error!', "Error"),
'Input': lambda: askfloat('Entry', 'Input')
}
class Demo(Frame):
def __init__(self, parent=None):
Frame.__init__(self, parent)
self.pack()
Label(self, text="Scale demos").pack()
self.var = IntVar()
Scale(self, label='Pick demo number',
command=self.onMove,
variable=self.var,
from_=0, to=len(demos)-1).pack()
Scale(self, label='Pick demo number',
command=self.onMove,
variable=self.var,
from_=0, to=len(demos)-1,
length=200, tickinterval=1,
showvalue=YES, orient='horizontal').pack()
Quitter(self).pack(side=RIGHT)
Button(self, text="Run demo", command=self.onRun).pack(side=LEFT)
Button(self, text="State", command=self.report).pack(side=RIGHT)
def onMove(self, value):
print 'in onMove', value
def onRun(self):
pos = self.var.get()
print 'You picked', pos
pick = demos.keys()[pos]
print demos[pick]()
def report(self):
print self.var.get()
if __name__ == '__main__':
print demos.keys()
Demo().mainloop()
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