#------------------------------------------------------------------------------ # 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. """ # 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 enthought.pyface.api import GUI, PythonShell, SplitApplicationWindow from enthought.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 #####################################################################