def show(self, form, *params):
# This are the greetings:
greetings = [
String("Hello world"),
String("Hola mundo"),
String("Bonjour le monde"),
String("Hallo Welt"),
String("Kon'nichiwa sekai"),
String("Nǐ hǎo, shìjiè"),
String("Ciao mondo"),
String("Hallo Wereld"),
String("Privet, mir")
]
# Get a data provider from the greetings to be used in the tree (dialog)
provider = ListTreeProviderString(greetings)
# Show the dialog
dlg = dialog.ListDialog(form.root, "Greetings from the world",
provider, "Select one of the greetings)")
# Set the chosen value back to the form
form.setVar('message', dlg.values[0].get())
