Source code for pyface.workbench.action.set_active_perspective_action
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""" An action that sets the active perspective. """
from pyface.workbench.api import IPerspective
from traits.api import Delegate, Instance, observe
from .workbench_action import WorkbenchAction
[docs]class SetActivePerspectiveAction(WorkbenchAction):
""" An action that sets the active perspective. """
# 'Action' interface ---------------------------------------------------
# Is the action enabled?
enabled = Delegate("perspective")
# The action's unique identifier (may be None).
id = Delegate("perspective")
# The action's name (displayed on menus/tool bar tools etc).
name = Delegate("perspective")
# The action's style.
style = "radio"
# 'SetActivePerspectiveAction' interface -------------------------------
# The perspective that we set the active perspective to.
perspective = Instance(IPerspective)
# ------------------------------------------------------------------------
# 'Action' interface.
# ------------------------------------------------------------------------
[docs] def destroy(self):
""" Destroy the action. """
self.window = None
# ------------------------------------------------------------------------
# Private interface.
# ------------------------------------------------------------------------
@observe("perspective,window.active_perspective")
def _refresh_checked(self, event):
""" Refresh the checked state of the action. """
self.checked = (
self.perspective is not None
and self.window is not None
and self.window.active_perspective is not None
and self.perspective.id is self.window.active_perspective.id
)
return