self.name.config(text=os.path.split(self.image[0])[1])
self.loadNote()

def onScale(self, value):
self.msecs = int(value)

def onNote(self):
if self.editorGone: # 1.2: has been destroyed
return # don't rebuild: assume unwanted
if self.editorUp:
#self.saveNote() # if editor already open
self.editor.pack_forget() # save text?, hide editor
self.editorUp = False
else:

1.2: repack for expansion again, else won't expand now

1.2: update between pack and insert, else @ line 2 initially

self.editor.pack(side=TOP, expand=YES, fill=BOTH)
self.editorUp = True # else unhide/pack editor
self.update() # see Pyedit: same as loadFirst issue
self.loadNote() # and load image note text

def switchNote(self):
if self.editorUp:
self.saveNote() # save current image's note
self.loadNote() # load note for new image

def saveNote(self):
if self.editorUp:
currfile = self.editor.getFileName() # or self.editor.onSave()
currtext = self.editor.getAllText() # but text may be empty
if currfile and currtext:
try:
open(currfile, 'w').write(currtext)
except:
pass # failure may be normal if run off a cd

def loadNote(self):
if self.image and self.editorUp:
root, ext = os.path.splitext(self.image[0])
notefile = root + '.note'
self.editor.setFileName(notefile)
try:
self.editor.setAllText(open(notefile).read())
except:
self.editor.clearAllText() # might not have a note

def onHelp(self):
showinfo('About PyView',
'PyView version 1.2\nMay, 2010\n(1.1 July, 1999)\n'
'An image slide show\nProgramming Python 4E')

if name == 'main':
import sys
picdir = '../gifs'
if len(sys.argv) >= 2:

734 | Chapter 11: Complete GUI Programs