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#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
""" The interface for workbench views. """
# Standard library imports.
import logging
# Enthought library imports.
from enthought.pyface.api import ImageResource
from enthought.traits.api import Bool, Enum, Float, Instance, List, Str
from enthought.traits.api import implements
# Local imports.
from i_perspective_item import IPerspectiveItem
from i_workbench_part import IWorkbenchPart, MWorkbenchPart
from perspective_item import PerspectiveItem
# Logging.
logger = logging.getLogger(__name__)
class IView(IWorkbenchPart, IPerspectiveItem):
""" The interface for workbench views. """
# Is the view busy? (i.e., should the busy cursor (often an hourglass) be
# displayed?).
busy = Bool(False)
# The category that the view belongs to (this can used to group views when
# they are displayed to the user).
category = Str('General')
# An image used to represent the view to the user (shown in the view tab
# and in the view chooser etc).
image = Instance(ImageResource)
# Whether the view is visible or not.
visible = Bool(False)
###########################################################################
# 'IView' interface.
###########################################################################
def activate(self):
""" Activate the view.
"""
def hide(self):
""" Hide the view.
"""
def show(self):
""" Show the view.
"""
class MView(MWorkbenchPart, PerspectiveItem):
""" Mixin containing common code for toolkit-specific implementations. """
implements(IView)
#### 'IView' interface ####################################################
# Is the view busy? (i.e., should the busy cursor (often an hourglass) be
# displayed?).
busy = Bool(False)
# The category that the view belongs to (this can be used to group views
# when they are displayed to the user).
category = Str('General')
# An image used to represent the view to the user (shown in the view tab
# and in the view chooser etc).
image = Instance(ImageResource)
# Whether the view is visible or not.
visible = Bool(False)
###########################################################################
# 'IWorkbenchPart' interface.
###########################################################################
def _id_default(self):
""" Trait initializer. """
id = '%s.%s' % (type(self).__module__, type(self).__name__)
logger.warn('view %s has no Id - using <%s>' % (self, id))
# If no Id is specified then use the name.
return id
def _name_default(self):
""" Trait initializer. """
name = camel_case_to_words(type(self).__name__)
logger.warn('view %s has no name - using <%s>' % (self, name))
return name
###########################################################################
# 'IView' interface.
###########################################################################
def activate(self):
""" Activate the view.
"""
self.window.activate_view(self)
return
def hide(self):
""" Hide the view. """
self.window.hide_view(self)
return
def show(self):
""" Show the view. """
self.window.show_view(self)
return
# fixme: This is duplicated in 'plugin.py' where should it go?!?
def camel_case_to_words(s):
""" Turn a string from CamelCase into words separated by spaces.
e.g. 'CamelCase' -> 'Camel Case'
"""
def add_space_between_words(s, c):
# We detect a word boundary if the character we are looking at is
# upper case, but the character preceding it is lower case.
if len(s) > 0 and s[-1].islower() and c.isupper():
return s + ' ' + c
return s + c
return reduce(add_space_between_words, s, '')
#### EOF ######################################################################
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