def __init__(self, parent_frame, editwin, title=None, **kwargs):
self.editwin = editwin
self.title = title
self.tab_initialized = False
kwargs.setdefault('width',
idleConf.GetOption('main', 'EditorPage', 'width'))
kwargs.setdefault('height',
idleConf.GetOption('main', 'EditorPage', 'height'))
self.text = MultiCallCreator(Text)(parent_frame, **kwargs)
self.color = None # initialized in reset_colorizer
self.per = Percolator(self.text)
self.undo = self.editwin.UndoDelegator()
self.per.insertfilter(self.undo)
self.text.undo_block_start = self.undo.undo_block_start
self.text.undo_block_stop = self.undo.undo_block_stop
self.io = IOBinding.IOBinding(self)
self.undo.set_saved_change_hook(self.saved_change_hook)
self.io.set_filename_change_hook(self.filename_change_hook)
self.reset_colorizer()
self._setup_bindings()
