16 encoding = 'utf-8'
28         self.__id_open = self.text.bind("<<open-window-from-file>>", self.open)
29         self.__id_save = self.text.bind("<<save-window>>", self.save)
30         self.__id_saveas = self.text.bind("<<save-window-as-file>>",
32         self.__id_savecopy = self.text.bind("<<save-copy-of-window-as-file>>",
34         self.fileencoding = 'utf-8'
35         self.__id_print = self.text.bind("<<print-window>>", self.print_window)
39         self.text.unbind("<<open-window-from-file>>", self.__id_open)
40         self.text.unbind("<<save-window>>", self.__id_save)
41         self.text.unbind("<<save-window-as-file>>",self.__id_saveas)
42         self.text.unbind("<<save-copy-of-window-as-file>>", self.__id_savecopy)
43         self.text.unbind("<<print-window>>", self.__id_print)
63     filename = None  variable in IOBinding
66     def set_filename(self, filename):  argument
67         if filename and os.path.isdir(filename):
68             self.filename = None
69             self.dirname = filename
71             self.filename = filename
82                 filename = self.askopenfile()
84                 filename=editFile
85             if filename:
95                         not self.filename and
97                     flist.open(filename, self.loadfile)
99                     flist.open(filename)
112             filename = self.askopenfile()
114             filename=editFile
115         if filename:
116             self.loadfile(filename)
123     def loadfile(self, filename):  argument
126                 with tokenize.open(filename) as f:
137                     "IDLE will convert it to UTF-8.\n"
139                     initialvalue='utf-8',
141                 with open(filename, encoding=enc) as f:
151                                    "File %s\nFailed to Decode" % filename,
172         self.set_filename(filename)
179         self.updaterecentfileslist(filename)
191                    f"{self.filename or 'this untitled document'}"
206         if not self.filename:
209             if self.writefile(self.filename):
219         filename = self.asksavefile()
220         if filename:
221             if self.writefile(filename):
222                 self.set_filename(filename)
229         self.updaterecentfileslist(filename)
233         filename = self.asksavefile()
234         if filename:
235             self.writefile(filename)
237         self.updaterecentfileslist(filename)
240     def writefile(self, filename):  argument
244             with open(filename, "wb") as f:
261             text = self.editwin.get_prompt_text('1.0', self.text.index('end-1c'))
263             if self.text.get("end-2c") != '\n':
264                 self.text.insert("end-1c", "\n")  # Changes 'end-1c' value.
265             text = self.text.get('1.0', "end-1c")
272             # This is either plain ASCII, or Tk was returning mixed-encoding
276         if self.fileencoding == 'utf-8-sig':
277             return chars.encode('utf-8-sig')
278         # See whether there is anything non-ASCII in it.
295             "%s.\nSaving as UTF-8" % failed,
297         # Fallback: save as UTF-8, with BOM - ignoring the incorrect
299         return chars.encode('utf-8-sig')
313             filename = self.filename
315         if not saved or filename is None:
317             filename = tempfilename
326                                          'print-command-posix')
329             command = idleConf.GetOption('main','General','print-command-win')
333             command = command % shlex.quote(filename)
367         filename = self.opendialog.show(initialdir=dir, initialfile=base)
368         return filename
371         if self.filename:
372             return os.path.split(self.filename)
389         filename = self.savedialog.show(initialdir=dir, initialfile=base)
390         return filename
392     def updaterecentfileslist(self,filename):  argument
395             self.editwin.update_recent_files_list(filename)
410             self.text.bind("<Control-o>", self.open)
411             self.text.bind('<Control-p>', self.print)
412             self.text.bind("<Control-s>", self.save)
413             self.text.bind("<Alt-s>", self.saveas)
414             self.text.bind('<Control-c>', self.savecopy)
419             self.text.event_generate("<<open-window-from-file>>")
421             self.text.event_generate("<<print-window>>")
423             self.text.event_generate("<<save-window>>")
425             self.text.event_generate("<<save-window-as-file>>")
427             self.text.event_generate("<<save-copy-of-window-as-file>>")