Source code for pyface.i_single_choice_dialog

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""" The interface for a dialog that prompts for a choice from a list. """

from traits.api import Any, HasTraits, List, Str

from pyface.i_dialog import IDialog

[docs]class ISingleChoiceDialog(IDialog): """ The interface for a dialog that prompts for a choice from a list. """ # 'ISingleChoiceDialog' interface -------------------------------------# #: List of objects to choose from. choices = List(Any) #: The object chosen, if any. choice = Any() #: An optional attribute to use for the name of each object in the dialog. name_attribute = Str() #: The message to display to the user. message = Str()
[docs]class MSingleChoiceDialog(HasTraits): """ The mixin class that contains common code for toolkit specific implementations of the IConfirmationDialog interface. """ def _choice_strings(self): """ Returns the list of strings to display in the dialog. """ choices = self.choices if self.name_attribute != "": # choices is a list of objects with this attribute choices = [getattr(obj, self.name_attribute) for obj in choices] choices = [str(obj) for obj in choices] if len(choices) == 0: raise ValueError("SingleChoiceDialog requires at least 1 choice.") elif len(choices) != len(set(choices)): raise ValueError( "Dialog choices {} contain repeated string value." % choices ) return choices