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Diffstat (limited to 'Lib/lib-tk/tkSimpleDialog.py')
| -rw-r--r-- | Lib/lib-tk/tkSimpleDialog.py | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/Lib/lib-tk/tkSimpleDialog.py b/Lib/lib-tk/tkSimpleDialog.py deleted file mode 100644 index 573c3a3..0000000 --- a/Lib/lib-tk/tkSimpleDialog.py +++ /dev/null @@ -1,319 +0,0 @@ -# -# An Introduction to Tkinter -# tkSimpleDialog.py -# -# Copyright (c) 1997 by Fredrik Lundh -# -# fredrik@pythonware.com -# http://www.pythonware.com -# - -# -------------------------------------------------------------------- -# dialog base class - -'''Dialog boxes - -This module handles dialog boxes. It contains the following -public symbols: - -Dialog -- a base class for dialogs - -askinteger -- get an integer from the user - -askfloat -- get a float from the user - -askstring -- get a string from the user -''' - -from Tkinter import * - -class Dialog(Toplevel): - - '''Class to open dialogs. - - This class is intended as a base class for custom dialogs - ''' - - def __init__(self, parent, title = None): - - '''Initialize a dialog. - - Arguments: - - parent -- a parent window (the application window) - - title -- the dialog title - ''' - Toplevel.__init__(self, parent) - - # If the master is not viewable, don't - # make the child transient, or else it - # would be opened withdrawn - if parent.winfo_viewable(): - self.transient(parent) - - if title: - self.title(title) - - self.parent = parent - - self.result = None - - body = Frame(self) - self.initial_focus = self.body(body) - body.pack(padx=5, pady=5) - - self.buttonbox() - - self.wait_visibility() # window needs to be visible for the grab - self.grab_set() - - if not self.initial_focus: - self.initial_focus = self - - self.protocol("WM_DELETE_WINDOW", self.cancel) - - if self.parent is not None: - self.geometry("+%d+%d" % (parent.winfo_rootx()+50, - parent.winfo_rooty()+50)) - - self.initial_focus.focus_set() - - self.wait_window(self) - - def destroy(self): - '''Destroy the window''' - self.initial_focus = None - Toplevel.destroy(self) - - # - # construction hooks - - def body(self, master): - '''create dialog body. - - return widget that should have initial focus. - This method should be overridden, and is called - by the __init__ method. - ''' - pass - - def buttonbox(self): - '''add standard button box. - - override if you do not want the standard buttons - ''' - - box = Frame(self) - - w = Button(box, text="OK", width=10, command=self.ok, default=ACTIVE) - w.pack(side=LEFT, padx=5, pady=5) - w = Button(box, text="Cancel", width=10, command=self.cancel) - w.pack(side=LEFT, padx=5, pady=5) - - self.bind("<Return>", self.ok) - self.bind("<Escape>", self.cancel) - - box.pack() - - # - # standard button semantics - - def ok(self, event=None): - - if not self.validate(): - self.initial_focus.focus_set() # put focus back - return - - self.withdraw() - self.update_idletasks() - - try: - self.apply() - finally: - self.cancel() - - def cancel(self, event=None): - - # put focus back to the parent window - if self.parent is not None: - self.parent.focus_set() - self.destroy() - - # - # command hooks - - def validate(self): - '''validate the data - - This method is called automatically to validate the data before the - dialog is destroyed. By default, it always validates OK. - ''' - - return 1 # override - - def apply(self): - '''process the data - - This method is called automatically to process the data, *after* - the dialog is destroyed. By default, it does nothing. - ''' - - pass # override - - -# -------------------------------------------------------------------- -# convenience dialogues - -class _QueryDialog(Dialog): - - def __init__(self, title, prompt, - initialvalue=None, - minvalue = None, maxvalue = None, - parent = None): - - if not parent: - import Tkinter - parent = Tkinter._default_root - - self.prompt = prompt - self.minvalue = minvalue - self.maxvalue = maxvalue - - self.initialvalue = initialvalue - - Dialog.__init__(self, parent, title) - - def destroy(self): - self.entry = None - Dialog.destroy(self) - - def body(self, master): - - w = Label(master, text=self.prompt, justify=LEFT) - w.grid(row=0, padx=5, sticky=W) - - self.entry = Entry(master, name="entry") - self.entry.grid(row=1, padx=5, sticky=W+E) - - if self.initialvalue: - self.entry.insert(0, self.initialvalue) - self.entry.select_range(0, END) - - return self.entry - - def validate(self): - - import tkMessageBox - - try: - result = self.getresult() - except ValueError: - tkMessageBox.showwarning( - "Illegal value", - self.errormessage + "\nPlease try again", - parent = self - ) - return 0 - - if self.minvalue is not None and result < self.minvalue: - tkMessageBox.showwarning( - "Too small", - "The allowed minimum value is %s. " - "Please try again." % self.minvalue, - parent = self - ) - return 0 - - if self.maxvalue is not None and result > self.maxvalue: - tkMessageBox.showwarning( - "Too large", - "The allowed maximum value is %s. " - "Please try again." % self.maxvalue, - parent = self - ) - return 0 - - self.result = result - - return 1 - - -class _QueryInteger(_QueryDialog): - errormessage = "Not an integer." - def getresult(self): - return int(self.entry.get()) - -def askinteger(title, prompt, **kw): - '''get an integer from the user - - Arguments: - - title -- the dialog title - prompt -- the label text - **kw -- see SimpleDialog class - - Return value is an integer - ''' - d = _QueryInteger(title, prompt, **kw) - return d.result - -class _QueryFloat(_QueryDialog): - errormessage = "Not a floating point value." - def getresult(self): - return float(self.entry.get()) - -def askfloat(title, prompt, **kw): - '''get a float from the user - - Arguments: - - title -- the dialog title - prompt -- the label text - **kw -- see SimpleDialog class - - Return value is a float - ''' - d = _QueryFloat(title, prompt, **kw) - return d.result - -class _QueryString(_QueryDialog): - def __init__(self, *args, **kw): - if "show" in kw: - self.__show = kw["show"] - del kw["show"] - else: - self.__show = None - _QueryDialog.__init__(self, *args, **kw) - - def body(self, master): - entry = _QueryDialog.body(self, master) - if self.__show is not None: - entry.configure(show=self.__show) - return entry - - def getresult(self): - return self.entry.get() - -def askstring(title, prompt, **kw): - '''get a string from the user - - Arguments: - - title -- the dialog title - prompt -- the label text - **kw -- see SimpleDialog class - - Return value is a string - ''' - d = _QueryString(title, prompt, **kw) - return d.result - -if __name__ == "__main__": - - root = Tk() - root.update() - - print(askinteger("Spam", "Egg count", initialvalue=12*12)) - print(askfloat("Spam", "Egg weight\n(in tons)", minvalue=1, maxvalue=100)) - print(askstring("Spam", "Egg label")) |