| #!/usr/bin/env python3 | |
| # | |
| # Dialog class for tkinter | |
| import os | |
| import tkinter | |
| from tkinter import ttk | |
| class Dialog(tkinter.Toplevel): | |
| def __init__(self, parent, message = None, title = None, seed = None, border = 'blue', **kwargs): | |
| tkinter.Toplevel.__init__(self, parent) | |
| self.transient(parent) | |
| if title: | |
| self.title(title) | |
| self.configure(background=border, padx=2, pady=2) | |
| self.obox = ttk.Frame(self) | |
| self.obox.pack(side = 'left', fill = 'both', expand = 'true') | |
| self.parent = parent | |
| self.result = None | |
| body = ttk.Frame(self.obox) | |
| self.initial_focus = self.body(body, message, seed, **kwargs) | |
| body.pack(padx = 5, pady = 5) | |
| self.buttonbox() | |
| self.grab_set() | |
| if not self.initial_focus: | |
| self.initial_focus = self | |
| self.protocol("WM_DELETE_WINDOW", self.cancel) | |
| self.geometry("+%d+%d" % (parent.winfo_rootx() + 50, | |
| parent.winfo_rooty() + 50)) | |
| self.initial_focus.focus_set() | |
| self.wait_window(self) | |
| # Construction hooks | |
| def body(self, master, **kwargs): | |
| # Create dialog body. Return widget that should have | |
| # initial focus. This method should be overridden | |
| pass | |
| def buttonbox(self): | |
| # Add standard button box. Override if you don't want the | |
| # standard buttons | |
| box = ttk.Frame(self.obox) | |
| self.okb = ttk.Button(box, text="OK", width=10, command=self.ok, default='active') | |
| self.okb.pack(side='left', padx=5, pady=5) | |
| w = ttk.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(fill='x', expand='true') | |
| # 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() | |
| self.result = self.apply() | |
| self.cancel() | |
| def cancel(self, event=None): | |
| # Put focus back to the parent window | |
| self.parent.focus_set() | |
| self.destroy() | |
| def validate(self): | |
| return 1 # Override this | |
| def apply(self): | |
| return None # Override this |