File: code_editor_test.py

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# (C) Copyright 2004-2023 Enthought, Inc., Austin, TX
# 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!

""" Test using a KeyBindings object with the traits CodeEditor."""

# -------------------------------------------------------------------------
#  Imports:
# -------------------------------------------------------------------------

from traits.api import HasPrivateTraits, Code, Str

from traitsui.api import View, Item, Handler, CodeEditor

from traitsui.key_bindings import KeyBinding, KeyBindings

# -------------------------------------------------------------------------
#  Define a KeyBindings object:
# -------------------------------------------------------------------------

key_bindings = KeyBindings(
    KeyBinding(
        binding1='Ctrl-s',
        description='Save to a file',
        method_name='save_file',
    ),
    KeyBinding(
        binding1='Ctrl-r', description='Run script', method_name='run_script'
    ),
    KeyBinding(
        binding1='Ctrl-q',
        description='Edit key bindings',
        method_name='edit_bindings',
    ),
)

# -------------------------------------------------------------------------
#  'CodeHandler' class:
# -------------------------------------------------------------------------


class CodeHandler(Handler):
    def save_file(self, info):
        info.object.status = "save file"

    def run_script(self, info):
        info.object.status = "run script"

    def edit_bindings(self, info):
        info.object.status = "edit bindings"
        key_bindings.edit_traits()


# -------------------------------------------------------------------------
#  'TestCode' class:
# -------------------------------------------------------------------------


class TestCode(HasPrivateTraits):

    code = Code()
    status = Str()

    view = View(
        [
            Item(
                'code',
                style='custom',
                resizable=True,
                editor=CodeEditor(key_bindings=key_bindings),
            ),
            'status~',
            '|<>',
        ],
        id='traitsui.tests.test_code_editor.TestCode',
        title='Sample Code Editor',
        width=0.4,
        height=0.4,
        resizable=True,
        handler=CodeHandler(),
    )


# -------------------------------------------------------------------------
#  Run the test:
# -------------------------------------------------------------------------

if __name__ == '__main__':
    TestCode().configure_traits()