Source code for pyface.workbench.action.delete_user_perspective_action

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""" An action that deletes a user perspective. """


from pyface.api import YES


from .user_perspective_action import UserPerspectiveAction


[docs]class DeleteUserPerspectiveAction(UserPerspectiveAction): """ An action that deletes a user perspective. """ # 'Action' interface --------------------------------------------------- # The action's unique identifier (may be None). id = "pyface.workbench.action.delete_user_perspective_action" # The action's name (displayed on menus/tool bar tools etc). name = "Delete Perspective" # ------------------------------------------------------------------------ # 'Action' interface. # ------------------------------------------------------------------------
[docs] def perform(self, event): """ Perform the action. """ window = event.window manager = window.workbench.user_perspective_manager # The perspective to delete. perspective = window.active_perspective # Make sure that the user isn't having second thoughts! message = ( 'Are you sure you want to delete the "%s" perspective?' % perspective.name ) answer = window.confirm(message, title="Confirm Delete") if answer == YES: # Set the active perspective to be the first remaining perspective. # # There is always a default NON-user perspective (even if no # perspectives are explicitly defined) so we should never(!) not # be able to find one! window.active_perspective = self._get_next_perspective(window) # Remove the perspective from the window. window.perspectives.remove(perspective) # Remove it from the user perspective manager. manager.remove(perspective.id) return
# ------------------------------------------------------------------------ # Private interface. # ------------------------------------------------------------------------ def _get_next_perspective(self, window): """ Return the first perspective that is not the active one! """ if window.active_perspective is window.perspectives[0]: index = 1 else: index = 0 return window.perspectives[index]