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| # 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 | |