# (C) Copyright 2004-2021 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()