#-----------------------------------------------------------------------------
# Copyright (c) Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
#-----------------------------------------------------------------------------
""" Various kinds of icons to be used with Button widgets.
See :ref:`ug_interaction_widgets_examples_button` in the |user guide|
for more information.
"""
#-----------------------------------------------------------------------------
# Boilerplate
#-----------------------------------------------------------------------------
from __future__ import annotations
import logging # isort:skip
log = logging.getLogger(__name__)
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
# Bokeh imports
from ...core.enums import ToolIcon
from ...core.has_props import abstract
from ...core.properties import (
Color,
Either,
Enum,
FontSize,
Int,
Required,
String,
)
from ...core.property.bases import Init
from ...core.property.singletons import Intrinsic
from .ui_element import UIElement
#-----------------------------------------------------------------------------
# Globals and constants
#-----------------------------------------------------------------------------
__all__ = (
"Icon",
"BuiltinIcon",
"SVGIcon",
"TablerIcon",
)
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# General API
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Dev API
#-----------------------------------------------------------------------------
[docs]
@abstract
class Icon(UIElement):
""" An abstract base class for icon elements.
"""
# explicit __init__ to support Init signatures
def __init__(self, *args, **kwargs) -> None:
super().__init__(*args, **kwargs)
size = Either(Int, FontSize, default="1em", help="""
The size of the icon. This can be either a number of pixels, or a CSS
length string (see https://developer.mozilla.org/en-US/docs/Web/CSS/length).
""")
[docs]
class BuiltinIcon(Icon):
""" Built-in icons included with BokehJS. """
# explicit __init__ to support Init signatures
def __init__(self, icon_name: Init[str] = Intrinsic, **kwargs) -> None:
super().__init__(icon_name=icon_name, **kwargs)
icon_name = Required(Either(Enum(ToolIcon), String), help="""
The name of a built-in icon to use. Currently, the following icon names are
supported: ``"help"``, ``"question-mark"``, ``"settings"``, ``"x"``
.. bokeh-plot::
:source-position: none
from bokeh.io import show
from bokeh.layouts import column
from bokeh.models import BuiltinIcon, Button
builtin_icons = ["help", "question-mark", "settings", "x"]
icon_demo = []
for icon in builtin_icons:
icon_demo.append(Button(label=icon, button_type="light", icon=BuiltinIcon(icon, size="1.2em")))
show(column(icon_demo))
""")
color = Color(default="gray", help="""
Color to use for the icon.
""")
[docs]
class SVGIcon(Icon):
""" SVG icons with inline definitions. """
# explicit __init__ to support Init signatures
def __init__(self, svg: Init[str] = Intrinsic, **kwargs) -> None:
super().__init__(svg=svg, **kwargs)
svg = Required(String, help="""
The SVG definition of an icon.
""")
[docs]
class TablerIcon(Icon):
"""
Icons from an external icon provider (https://tabler-icons.io/).
.. note::
This icon set is MIT licensed (see https://github.com/tabler/tabler-icons/blob/master/LICENSE).
.. note::
External icons are loaded from third-party servers and may not be available
immediately (e.g. due to slow internet connection) or not available at all.
It isn't possible to create a self-contained bundles with the use of
``inline`` resources. To circumvent this, one use ``SVGIcon``, by copying
the SVG contents of an icon from Tabler's web site.
"""
# explicit __init__ to support Init signatures
def __init__(self, icon_name: Init[str] = Intrinsic, **kwargs) -> None:
super().__init__(icon_name=icon_name, **kwargs)
icon_name = Required(String, help="""
The name of the icon. See https://tabler-icons.io/ for the list of names.
""")
#-----------------------------------------------------------------------------
# Private API
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#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
