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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 naming package component>
#------------------------------------------------------------------------------
""" A naming system explorer. """
# Enthought library imports.
from apptools.naming.api import Binding, PyContext
from pyface.api import PythonShell, SplitApplicationWindow
from traits.api import Float, Instance, Str
# Local imports.
from naming_tree import NamingTree
# Factory function for exploring a Python namespace.
def explore(obj):
""" View a Python object as a naming context. """
root = Binding(name='root', obj=PyContext(namespace=obj))
explorer = Explorer(root=root, size=(1200, 400))
explorer.open()
return
class Explorer(SplitApplicationWindow):
""" The main application window. """
#### 'Window' interface ###################################################
title = Str('Naming System Explorer')
#### 'SplitApplicationWindow' interface ###################################
# The direction in which the panel is split.
direction = Str('vertical')
# The ratio of the size of the left/top pane to the right/bottom pane.
ratio = Float(0.3)
# The root binding (usually a binding to a context!).
root = Instance(Binding)
###########################################################################
# Protected 'SplitApplicationWindow' interface.
###########################################################################
def _create_lhs(self, parent):
""" Creates the left hand side or top depending on the style. """
return self._create_tree(parent, self.root)
def _create_rhs(self, parent):
""" Creates the panel containing the selected preference page. """
return self._create_python_shell(parent)
###########################################################################
# Private interface.
###########################################################################
def _create_tree(self, parent, root):
""" Creates the tree. """
self._tree = tree = NamingTree(parent, root=root)
return tree.control
def _create_python_shell(self, parent):
""" Creates the Python shell. """
self._python_shell = python_shell = PythonShell(parent)
# Bind useful names.
python_shell.bind('widget', self._tree)
python_shell.bind('w', self._tree)
python_shell.bind('window', self)
python_shell.bind('explore', explore)
# Execute useful commands to bind useful names ;^)
python_shell.execute_command('from apptools.naming.api import *')
return python_shell.control
##### EOF #####################################################################
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