| # base class for tk common dialogues |
| # |
| # this module provides a base class for accessing the common |
| # dialogues available in Tk 4.2 and newer. use filedialog, |
| # colorchooser, and messagebox to access the individual |
| # dialogs. |
| # |
| # written by Fredrik Lundh, May 1997 |
| # |
| |
| __all__ = ["Dialog"] |
| |
| from tkinter import Frame, _get_temp_root, _destroy_temp_root |
| |
| |
| class Dialog: |
| |
| command = None |
| |
| def __init__(self, master=None, **options): |
| if master is None: |
| master = options.get('parent') |
| self.master = master |
| self.options = options |
| |
| def _fixoptions(self): |
| pass # hook |
| |
| def _fixresult(self, widget, result): |
| return result # hook |
| |
| def show(self, **options): |
| |
| # update instance options |
| for k, v in options.items(): |
| self.options[k] = v |
| |
| self._fixoptions() |
| |
| master = self.master |
| if master is None: |
| master = _get_temp_root() |
| try: |
| self._test_callback(master) # The function below is replaced for some tests. |
| s = master.tk.call(self.command, *master._options(self.options)) |
| s = self._fixresult(master, s) |
| finally: |
| _destroy_temp_root(master) |
| |
| return s |
| |
| def _test_callback(self, master): |
| pass |