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""" The workbench interface. """
# Enthought library imports.
from traits.api import Event, Instance, Interface, List, Str
from traits.api import provides, VetoableEvent
# Local imports.
from .user_perspective_manager import UserPerspectiveManager
from .window_event import WindowEvent, VetoableWindowEvent
from .workbench_window import WorkbenchWindow
class IWorkbench(Interface):
""" The workbench interface. """
#### 'IWorkbench' interface ###############################################
# The active workbench window (the last one to get focus).
active_window = Instance(WorkbenchWindow)
# The optional application scripting manager.
script_manager = Instance('apptools.appscripting.api.IScriptManager')
# A directory on the local file system that we can read and write to at
# will. This is used to persist window layout information, etc.
state_location = Str
# The optional undo manager.
undo_manager = Instance('apptools.undo.api.IUndoManager')
# The user defined perspectives manager.
user_perspective_manager = Instance(UserPerspectiveManager)
# All of the workbench windows created by the workbench.
windows = List(WorkbenchWindow)
#### Workbench lifecycle events ####
# Fired when the workbench is about to exit.
#
# This can be caused by either:-
#
# a) The 'exit' method being called.
# b) The last open window being closed.
exiting = VetoableEvent
# Fired when the workbench has exited.
#
# This is fired after the last open window has been closed.
exited = Event
#### Window lifecycle events ####
# Fired when a workbench window has been created.
window_created = Event(WindowEvent)
# Fired when a workbench window is opening.
window_opening = Event(VetoableWindowEvent)
# Fired when a workbench window has been opened.
window_opened = Event(WindowEvent)
# Fired when a workbench window is closing.
window_closing = Event(VetoableWindowEvent)
# Fired when a workbench window has been closed.
window_closed = Event(WindowEvent)
###########################################################################
# 'IWorkbench' interface.
###########################################################################
def create_window(self, **kw):
""" Factory method that creates a new workbench window. """
def edit(self, obj, kind=None, use_existing=True):
""" Edit an object in the active workbench window. """
def exit(self):
""" Exit the workbench.
This closes all open workbench windows.
This method is not called when the user clicks the close icon. Nor when
they do an Alt+F4 in Windows. It is only called when the application
menu File->Exit item is selected.
"""
def get_editor(self, obj, kind=None):
""" Return the editor that is editing an object.
Returns None if no such editor exists.
"""
def get_editor_by_id(self, id):
""" Return the editor with the specified Id.
Returns None if no such editor exists.
"""
#### EOF ######################################################################
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