def add_button ( self, action, bbox, method=None, enabled=True,
name=None, default=False ):
""" Creates a button.
"""
ui = self.ui
if ((action.defined_when != '') and
(not ui.eval_when( action.defined_when ))):
return None
if name is None:
name = action.name
id = action.id
button = Button( str(name) )
bbox.addComponent(button)
bbox.setComponentAlignment(button, Alignment.MIDDLE_RIGHT)
if default:
button.focus()
button.setEnabled(enabled)
if (method is None) or (action.enabled_when != '') or (id != ''):
editor = ButtonEditor( ui = ui,
action = action,
control = button )
if id != '':
ui.info.bind( id, editor )
if action.visible_when != '':
ui.add_visible( action.visible_when, editor )
if action.enabled_when != '':
ui.add_enabled( action.enabled_when, editor )
if method is None:
method = editor.perform
if method is not None:
button.addCallback(method, ClickEvent)
if action.tooltip != '':
button.setDescription(action.tooltip)
return button
