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1 # base class for tk common dialogues |
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2 # |
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3 # this module provides a base class for accessing the common |
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4 # dialogues available in Tk 4.2 and newer. use tkFileDialog, |
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5 # tkColorChooser, and tkMessageBox to access the individual |
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6 # dialogs. |
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7 # |
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8 # written by Fredrik Lundh, May 1997 |
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9 # |
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10 |
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11 from Tkinter import * |
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12 |
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13 class Dialog: |
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14 |
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15 command = None |
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16 |
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17 def __init__(self, master=None, **options): |
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18 |
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19 # FIXME: should this be placed on the module level instead? |
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20 if TkVersion < 4.2: |
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21 raise TclError, "this module requires Tk 4.2 or newer" |
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22 |
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23 self.master = master |
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24 self.options = options |
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25 if not master and options.get('parent'): |
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26 self.master = options['parent'] |
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27 |
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28 def _fixoptions(self): |
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29 pass # hook |
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30 |
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31 def _fixresult(self, widget, result): |
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32 return result # hook |
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33 |
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34 def show(self, **options): |
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35 |
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36 # update instance options |
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37 for k, v in options.items(): |
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38 self.options[k] = v |
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39 |
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40 self._fixoptions() |
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41 |
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42 # we need a dummy widget to properly process the options |
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43 # (at least as long as we use Tkinter 1.63) |
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44 w = Frame(self.master) |
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45 |
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46 try: |
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47 |
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48 s = w.tk.call(self.command, *w._options(self.options)) |
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49 |
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50 s = self._fixresult(w, s) |
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51 |
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52 finally: |
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53 |
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54 try: |
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55 # get rid of the widget |
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56 w.destroy() |
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57 except: |
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58 pass |
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59 |
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60 return s |