#-------------------------------------------------------------------------
#
#  Copyright (c) 2007, 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: David C. Morrill
#  Date:   05/08/2007
#
#-------------------------------------------------------------------------

""" Traits UI editor factory for editing lists of strings.
"""

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

from __future__ import absolute_import

from traits.api import Any, Str, Enum, List, Bool, Instance, Property

from ..basic_editor_factory import BasicEditorFactory

from ..toolkit import toolkit_object

from pyface.image_resource import ImageResource

#-------------------------------------------------------------------------
#  'ListStrEditor' editor factory class:
#-------------------------------------------------------------------------


class ListStrEditor(BasicEditorFactory):
    """ Editor factory for list of string editors.
    """

    #-- Trait Definitions ----------------------------------------------------

    # The editor class to be created:
    klass = Property

    # The optional extended name of the trait to synchronize the selection
    # values with:
    selected = Str

    # The optional extended name of the trait to synchronize the selection
    # indices with:
    selected_index = Str

    # The optional extended name of the trait to synchronize the activated value
    # with:
    activated = Str

    # The optional extended name of the trait to synchronize the activated
    # value's index with:
    activated_index = Str

    # The optional extended name of the trait to synchronize the right clicked
    # value with:
    right_clicked = Str

    # The optional extended name of the trait to synchronize the right clicked
    # value's index with:
    right_clicked_index = Str

    # Can the user edit the values?
    editable = Bool(True)

    # Are multiple selected items allowed?
    multi_select = Bool(False)

    # Should horizontal lines be drawn between items?
    horizontal_lines = Bool(False)

    # The title for the editor:
    title = Str

    # The optional extended name of the trait containing the editor title:
    title_name = Str

    # Should a new item automatically be added to the end of the list to allow
    # the user to create new entries?
    auto_add = Bool(False)

    # The adapter from list items to editor values:
    adapter = Instance('traitsui.list_str_adapter.ListStrAdapter',
                       ())

    # The optional extended name of the trait containing the adapter:
    adapter_name = Str

    # What type of operations are allowed on the list:
    operations = List(Enum('delete', 'insert', 'append', 'edit', 'move'),
                      ['delete', 'insert', 'append', 'edit', 'move'])

    # Are 'drag_move' operations allowed (i.e. True), or should they always be
    # treated as 'drag_copy' operations (i.e. False):
    drag_move = Bool(False)

    # The set of images that can be used:
    images = List(ImageResource)

    # Right-click context menu (Qt4 only). The value can be one of:
    #
    # - Instance( Menu ): Use this menu as the context menu
    # - string: Name of traits that will provide menu
    # - None: Use the default context menu
    # - False: Do not display a context menu
    menu = Any

    def _get_klass(self):
        """ Returns the editor class to be created.
        """
        return toolkit_object('list_str_editor:_ListStrEditor')
##EOF #########################################################################