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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>
#------------------------------------------------------------------------------
""" Expandable example. """
# Standard library imports.
import os, sys
# Major package imports.
import wx
# 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 pyface.ui.wx.grid.api import Grid, TraitGridModel, \
SimpleGridModel, GridRow, GridColumn, TraitGridColumn
from traits.api import Float, Str
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')
# The data used to create the SimpleGridModel
data = [['bob', 1, True, Float],
['sarah', 45, True, Str],
['jonas', -3, False, direction]]
rows = [GridRow(name='Row 1'),
GridRow(name='Row 2'),
GridRow(name='Row 3')]
cols = [GridColumn(name='Name'),
GridColumn(name='Index', read_only=True),
GridColumn(name='Veracity'),
GridColumn(name='Object')]
# The data used to create the TraitGridModel
trait_data = [GridRow(name='Bob', index=1, veracity=True, object=Float),
GridRow(name='Sarah', index=45, veracity=True, object=Str),
GridRow(name='Jonas', index=-3, veracity=False, object=direction)]
trait_col = [TraitGridColumn(name='name', label='Name'),
TraitGridColumn(name='index', label='Index', read_only=True),
TraitGridColumn(name='veracity', label='Veracity'),
TraitGridColumn(name='object', label='Object')]
###########################################################################
# Protected 'SplitApplicationWindow' interface.
###########################################################################
def _create_lhs(self, parent):
""" Creates the left hand side or top depending on the split. """
#self._model = model = SimpleGridModel(data = self.data,
# rows = self.rows,
# columns = self.cols)
self._model = model = TraitGridModel(data = self.trait_data,
columns = self.trait_col,
row_name_trait = 'name')
self._grid = grid = Grid(parent, model = model)
self._grid.on_trait_change(self._on_grid_anytrait_changed)
return grid.control
def _create_rhs(self, parent):
""" Creates the right hand side or bottom depending on the split. """
widget = self._grid
self._python_shell = PythonShell(parent)
self._python_shell.bind('widget', widget)
self._python_shell.bind('w', widget)
return self._python_shell.control
###########################################################################
# Private interface.
###########################################################################
def _create_content(self, parent):
""" Create some context for an expandable panel. """
tree = FileTree(parent, root=os.path.abspath(os.curdir))
return tree.control
#### Trait event handlers #################################################
def _on_grid_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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