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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>
#------------------------------------------------------------------------------
""" Tree example. """
from __future__ import print_function
# Standard library imports.
import os, sys
# Put the Enthought library on the Python path.
sys.path.append(os.path.abspath(r'..\..\..'))
# Enthought library imports.
from pyface.api import GUI, PythonShell, SplitApplicationWindow
from traits.api import Float, Str
# Local imports.
from file_tree import FileTree
class MainWindow(SplitApplicationWindow):
""" The main application window. """
#### 'SplitApplicationWindow' interface ###################################
# The ratio of the size of the left/top pane to the right/bottom pane.
ratio = Float(0.3)
# The direction in which the window is split.
direction = Str('vertical')
###########################################################################
# Protected 'SplitApplicationWindow' interface.
###########################################################################
def _create_lhs(self, parent):
""" Creates the left hand side or top depending on the split. """
self._tree = FileTree(
parent, root=os.path.abspath(os.curdir),
)
self._tree.on_trait_change(self._on_tree_anytrait_changed)
return self._tree.control
def _create_rhs(self, parent):
""" Creates the right hand side or bottom depending on the split. """
self._python_shell = PythonShell(parent)
self._python_shell.bind('widget', self._tree)
self._python_shell.bind('w', self._tree)
return self._python_shell.control
###########################################################################
# Private interface.
###########################################################################
#### Trait event handlers #################################################
def _on_tree_anytrait_changed(self, tree, trait_name, old, new):
""" Called when any trait on the tree has changed. """
print('trait', trait_name, 'value', new)
return
# Application entry point.
if __name__ == '__main__':
# Create the GUI (this does NOT start the GUI event loop).
gui = GUI()
# Create and open the main window.
window = MainWindow()
window.open()
# Start the GUI event loop.
gui.start_event_loop()
##### EOF #####################################################################
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