class LabelItalicFontCommand(AbstractCommand):
""" The LabelNormalFontCommand class is a command that sets an italic font
for a label's text.
"""
#### 'ICommand' interface #################################################
# The data being operated on.
data = Instance(Label)
# The name of the command.
name = Unicode("&Italic font")
###########################################################################
# 'ICommand' interface.
###########################################################################
def do(self):
# Save the old value.
self._saved = self.data.style
# Calling redo() is a convenient way to update the model now that the
# old value is saved.
self.redo()
def redo(self):
self.data.style = 'italic'
def undo(self):
self.data.style = self._saved
class IWizard(IDialog):
""" The interface for all pyface wizards. """
#### 'IWizard' interface ##################################################
# The pages in the wizard.
pages = List(IWizardPage)
# The wizard controller provides the pages displayed in the wizard, and
# determines when the wizard is complete etc.
controller = Instance(IWizardController)
# Should the 'Cancel' button be displayed?
show_cancel = Bool(True)
#### 'IWindow' interface ##################################################
# The dialog title.
title = Unicode('Wizard')
###########################################################################
# 'IWizard' interface.
###########################################################################
def next(self):
""" Advance to the next page in the wizard. """
def previous(self):
""" Return to the previous page in the wizard. """
class ManagePolicyPermission(Permission):
"""The standard permission for managing permissions policies."""
#### 'Permission' interface ###############################################
id = Str('ets.permissions.manage_policy')
description = Unicode(u"Manage permissions policy")
bootstrap = Bool(True)
class ManageUsersPermission(Permission):
"""The standard permission for managing permissions users."""
#### 'Permission' interface ###############################################
id = Str('ets.permissions.manage_users')
description = Unicode(u"Manage users")
bootstrap = Bool(True)
class AcmeUIPreferencesHelper(PreferencesHelper):
""" A helper! """
# The path to the preferences node that contains our preferences.
preferences_path = 'acme.ui'
# The traits that we want to initialize from preferences.
bgcolor = Str('blue')
width = Int(50)
ratio = Float(1.0)
visible = Bool(True)
description = Unicode(u'description')
offsets = List(Int, [1, 2, 3, 4])
names = List(Str, ['joe', 'fred', 'jane'])
class LoginAction(Action):
"""An action that authenticates the current user."""
#### 'Action' interface ###################################################
name = Unicode("Log&in...")
###########################################################################
# 'Action' interface.
###########################################################################
def perform(self, event):
"""Perform the action."""
get_permissions_manager().user_manager.authenticate_user()
class LabelDecrementSizeAction(LabelAction):
""" The LabelDecrementSizeAction class is a action that decreases the size
of a label's text.
"""
#### 'Action' interface ###################################################
# The name of the action.
name = Unicode("&Decrement size")
###########################################################################
# 'Action' interface.
###########################################################################
def perform(self, event):
self.obj.decrement_size(1)
class StartRecordingAction(Action):
"""An action that starts the recording of changes to scriptable objects to
a script."""
#### 'Action' interface ###################################################
name = Unicode("Start recording")
###########################################################################
# 'Action' interface.
###########################################################################
def perform(self, event):
""" Perform the action. """
get_script_manager().start_recording()
class IHeadingText(Interface):
""" Heading text. """
#### 'IHeadingText' interface #############################################
# Heading level.
#
# fixme: Currently we ignore anything but one, but in future we could
# have different visualizations based on the level.
level = Int(1)
# The heading text.
text = Unicode('Default')
# The background image.
image = Instance(ImageResource)
class LabelItalicFontAction(LabelAction):
""" The LabelNormalFontAction class is a action that sets an italic font
for a label's text.
"""
#### 'Action' interface ###################################################
# The name of the action.
name = Unicode("&Italic font")
###########################################################################
# 'Action' interface.
###########################################################################
def perform(self, event):
self.obj.style = 'italic'
class _ChangePasswordAction(Action):
"""An action that allows the current user to change their password. It
isn't exported through actions/api.py because it is specific to this user
manager implementation."""
#### 'Action' interface ###################################################
enabled = Bool(False)
name = Unicode("&Change Password...")
###########################################################################
# 'object' interface.
###########################################################################
def __init__(self, **traits):
"""Initialise the object."""
super(_ChangePasswordAction, self).__init__(**traits)
get_permissions_manager().user_manager.on_trait_event(
self._refresh_enabled, 'user_authenticated')
###########################################################################
# 'Action' interface.
###########################################################################
def perform(self, event):
"""Perform the action."""
um = get_permissions_manager().user_manager
um.user_db.change_password(um.user)
###########################################################################
# Private interface.
###########################################################################
def _refresh_enabled(self, user):
"""Invoked whenever the current user's authorisation state changes."""
self.enabled = user is not None
class LabelDecrementSizeCommand(AbstractCommand):
""" The LabelDecrementSizeCommand class is a command that decreases the
size of a label's text. This command will merge multiple decrements
togther.
"""
#### 'ICommand' interface #################################################
# The data being operated on.
data = Instance(Label)
# The name of the command.
name = Unicode("&Decrement size")
#### Private interface ####################################################
_decremented_by = Int
###########################################################################
# 'ICommand' interface.
###########################################################################
def do(self):
self.data.decrement_size(1)
self._decremented_by = 1
def merge(self, other):
# We can merge if the other command is the same type (or a sub-type).
if isinstance(other, type(self)):
self._decremented_by += 1
merged = True
else:
merged = False
return merged
def redo(self):
self.data.decrement_size(self._decremented_by)
def undo(self):
self.data.increment_size(self._decremented_by)
class LogoutAction(Action):
"""An action that unauthenticates the current user."""
#### 'Action' interface ###################################################
enabled = Bool(False)
name = Unicode("Log&out")
###########################################################################
# 'object' interface.
###########################################################################
def __init__(self, **traits):
"""Initialise the object."""
super(LogoutAction, self).__init__(**traits)
get_permissions_manager().user_manager.on_trait_event(
self._refresh_enabled, 'user_authenticated')
###########################################################################
# 'Action' interface.
###########################################################################
def perform(self, event):
"""Perform the action."""
get_permissions_manager().user_manager.unauthenticate_user()
###########################################################################
# Private interface.
###########################################################################
def _refresh_enabled(self, user):
"""Invoked whenever the current user's authorisation state changes."""
self.enabled = user is not None
class UserMenuManager(MenuManager):
"""A menu that contains all the actions related to users and permissions.
"""
#### 'MenuManager' interface ##############################################
id = 'User'
name = Unicode("&User")
###########################################################################
# 'object' interface.
###########################################################################
def __init__(self, **traits):
"""Initialise the object."""
pm = get_permissions_manager()
# Put them in a group so we can optionally append (because the PyFace
# API doesn't do what you expect with append()).
group = Group()
group.append(LoginAction())
for act in pm.user_manager.user_actions:
group.append(act)
group.append(LogoutAction())
for act in pm.user_manager.management_actions:
group.append(act)
for act in pm.policy_manager.management_actions:
group.append(act)
super(UserMenuManager, self).__init__(group, **traits)
class TestTraits(HasTraits):
b = Bool(False)
i = Int(7)
l = Long(1234567890123456789L)
f = Float(math.pi)
c = Complex(complex(1.01234, 2.3))
n = Any
s = Str('String')
u = Unicode(u'Unicode')
inst = Instance(A)
tuple = Tuple
list = List
pure_list = List(range(5))
dict = Dict
numeric = Array(value=numpy.ones((2, 2, 2), 'f'))
ref = Array
_tvtk = Instance(tvtk.Property, ())
def __init__(self):
self.inst = A()
self.tuple = (1, 2, 'a', A())
self.list = [1, 1.1, 'a', 1j, self.inst]
self.dict = {'a': 1, 'b': 2, 'ref': self.inst}
self.ref = self.numeric
class ViewMenuManager(MenuManager):
""" The 'View' menu.
By default, this menu is displayed on the main menu bar.
"""
#### 'ActionManager' interface ############################################
# All of the groups in the manager.
groups = List(Group)
# The manager's unique identifier (if it has one).
id = Str('View')
#### 'MenuManager' interface ##############################################
# The menu manager's name (if the manager is a sub-menu, this is what its
# label will be).
name = Unicode('&View')
#### 'ViewMenuManager' interface ##########################################
# Should the perspective menu be shown?
show_perspective_menu = Bool(True)
# The workbench window that the menu is part of.
window = Instance('enthought.pyface.workbench.api.WorkbenchWindow')
#### 'Private' interface ##################################################
# The group containing the view hide/show actions.
_view_group = Any
###########################################################################
# 'ActionManager' interface.
###########################################################################
def _groups_default(self):
""" Trait initializer. """
groups = []
# Add a group containing the perspective menu (if requested).
if self.show_perspective_menu and len(self.window.perspectives) > 0:
groups.append(Group(PerspectiveMenuManager(window=self.window)))
# Add a group containing a 'toggler' for all visible views.
self._view_group = self._create_view_group(self.window)
groups.append(self._view_group)
# Add a group containing an 'Other...' item that will launch a dialog
# to allow the user to choose a view to show.
groups.append(self._create_other_group(self.window))
return groups
###########################################################################
# 'ViewMenuManager' interface.
###########################################################################
@on_trait_change('window.active_perspective,window.active_part,'
'window.views,window.views_items')
def refresh(self):
""" Refreshes the checked state of the actions in the menu. """
logger.debug('refreshing view menu')
if self._view_group is not None:
self._clear_group(self._view_group)
self._initialize_view_group(self.window, self._view_group)
self.changed = True
return
###########################################################################
# Private interface.
###########################################################################
def _clear_group(self, group):
""" Remove all items in a group. """
# fixme: Fix this API in PyFace so there is only one call!
group.destroy()
group.clear()
return
def _create_other_group(self, window):
""" Creates a group containing the 'Other...' action. """
group = Group()
group.append(ShowViewAction(name='Other...', window=window))
return group
def _create_view_group(self, window):
""" Creates a group containing the view 'togglers'. """
group = Group()
self._initialize_view_group(window, group)
return group
def _initialize_view_group(self, window, group):
""" Initializes a group containing the view 'togglers'. """
views = window.views[:]
views.sort(None, lambda view: view.name)
for view in views:
# fixme: It seems a little smelly to be reaching in to the window
# layout here. Should the 'contains_view' method be part of the
# window interface?
if window.layout.contains_view(view):
group.append(
ToggleViewVisibilityAction(view=view, window=window))
return
class Employee(HasTraits):
name = Unicode(label=u"姓名")
department = Unicode(label=u"部门")
salary = Int(label=u"薪水")
bonus = Int(label=u"奖金")
view = View("name", "department", "salary", "bonus")