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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 /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: David C. Morrill
# Date: 12/04/2004
# Description: Test case for the traits tree editor.
#------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
from traits.api \
import HasTraits, Str, Regex, List, Instance
from traitsui.api \
import TreeEditor, TreeNode, View, Group, Item, Handler, InstanceEditor
from traitsui.instance_choice \
import InstanceDropChoice
from traitsui.menu \
import Menu, Action, Separator
from traitsui.wx.tree_editor \
import NewAction, CopyAction, CutAction, PasteAction, DeleteAction, \
RenameAction
#-------------------------------------------------------------------------------
# 'Employee' class:
#-------------------------------------------------------------------------------
class Employee ( HasTraits ):
name = Str( '<unknown>' )
title = Str
phone = Regex( regex = r'\d\d\d-\d\d\d\d' )
view = View( 'title', 'phone' )
def default_title ( self ):
self.title = 'Senior Engineer'
#-------------------------------------------------------------------------------
# 'Department' class:
#-------------------------------------------------------------------------------
class Department ( HasTraits ):
name = Str( '<unknown>' )
employees = List( Employee )
view = View( [ 'employees', '|<>' ] )
#-------------------------------------------------------------------------------
# 'Company' class:
#-------------------------------------------------------------------------------
class Company ( HasTraits ):
name = Str( '<unknown>' )
departments = List( Department )
employees = List( Employee )
#-------------------------------------------------------------------------------
# 'Partner' class:
#-------------------------------------------------------------------------------
class Partner ( HasTraits ):
name = Str( '<unknown>' )
company = Instance( Company )
eom = Instance( Employee )
dom = Instance( Department )
#-------------------------------------------------------------------------------
# Create a hierarchy:
#-------------------------------------------------------------------------------
jason = Employee(
name = 'Jason',
title = 'Sr. Engineer',
phone = '536-1057' )
mike = Employee(
name = 'Mike',
title = 'Sr. Engineer',
phone = '536-1057' )
dave = Employee(
name = 'Dave',
title = 'Sr. Engineer',
phone = '536-1057' )
martin = Employee(
name = 'Martin',
title = 'Sr. Engineer',
phone = '536-1057' )
duncan = Employee(
name = 'Duncan',
title = 'Sr. Engineer' )
partner = Partner(
name = 'eric',
company = Company(
name = 'Enthought, Inc.',
departments = [
Department(
name = 'Business',
employees = [ jason, mike ]
),
Department(
name = 'Scientific',
employees = [ dave, martin, duncan ]
)
],
employees = [ dave, martin, mike, duncan, jason ]
)
)
#-------------------------------------------------------------------------------
# Define the tree trait editor:
#-------------------------------------------------------------------------------
no_view = View()
tree_editor = TreeEditor(
editable = False,
nodes = [
TreeNode( node_for = [ Company ],
auto_open = True,
children = '',
label = 'name',
view = View( [ 'name', '|<' ] ) ),
TreeNode( node_for = [ Company ],
auto_open = True,
children = 'departments',
label = '=Departments',
view = no_view,
add = [ Department ] ),
TreeNode( node_for = [ Company ],
auto_open = True,
children = 'employees',
label = '=Employees',
view = no_view,
add = [ Employee ] ),
TreeNode( node_for = [ Department ],
auto_open = True,
children = 'employees',
label = 'name',
menu = Menu( NewAction,
Separator(),
DeleteAction,
Separator(),
RenameAction,
Separator(),
CopyAction,
CutAction,
PasteAction ),
view = View( [ 'name', '|<' ] ),
add = [ Employee ] ),
TreeNode( node_for = [ Employee ],
auto_open = True,
label = 'name',
menu = Menu( NewAction,
Separator(),
Action( name = 'Default title',
action = 'object.default_title' ),
Action( name = 'Department',
action = 'handler.employee_department(editor,object)' ),
Separator(),
CopyAction,
CutAction,
PasteAction,
Separator(),
DeleteAction,
Separator(),
RenameAction ),
view = View( [ 'name', 'title', 'phone', '|<' ] ) )
]
)
#-------------------------------------------------------------------------------
# 'TreeHandler' class:
#-------------------------------------------------------------------------------
class TreeHandler ( Handler ):
def employee_department ( self, editor, object ):
dept = editor.get_parent( object )
print '%s works in the %s department.' % ( object.name, dept.name )
#-------------------------------------------------------------------------------
# Define the View to use:
#-------------------------------------------------------------------------------
view = View(
Group(
[ Item( 'company',
editor = tree_editor,
resizable = True ),
'|<>' ],
Group(
[ '{Employee of the Month}@',
Item( 'eom@',
editor = InstanceEditor( values = [
InstanceDropChoice( klass = Employee,
selectable = True ) ] ),
resizable = True ),
'|<>' ],
[ '{Department of the Month}@',
Item( 'dom@',
editor = InstanceEditor( values = [
InstanceDropChoice( klass = Department ) ] ),
resizable = True ),
'|<>' ],
show_labels = False,
layout = 'split' ),
orientation = 'horizontal',
show_labels = False,
layout = 'split' ),
title = 'Company Structure',
handler = TreeHandler(),
buttons = [ 'OK', 'Cancel' ],
resizable = True,
width = .5,
height = .5
)
#-------------------------------------------------------------------------------
# Edit it:
#-------------------------------------------------------------------------------
if __name__ == '__main__':
partner.configure_traits( view = view )
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