# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------------
# Copyright (c) 2009- Spyder Project Contributors
#
# Distributed under the terms of the MIT License
# (see spyder/__init__.py for details)
# -----------------------------------------------------------------------------

"""
Appearance Plugin.
"""

# Local imports
from spyder.api.plugins import Plugins, SpyderPluginV2
from spyder.api.plugin_registration.decorators import (
    on_plugin_available, on_plugin_teardown)
from spyder.api.translations import _
from spyder.plugins.appearance.confpage import AppearanceConfigPage


# --- Plugin
# ----------------------------------------------------------------------------
class Appearance(SpyderPluginV2):
    """
    Appearance Plugin.
    """

    NAME = "appearance"
    # TODO: Fix requires to reflect the desired order in the preferences
    REQUIRES = [Plugins.Preferences]
    CONTAINER_CLASS = None
    CONF_SECTION = NAME
    CONF_WIDGET_CLASS = AppearanceConfigPage
    CONF_FILE = False
    CAN_BE_DISABLED = False

    # ---- SpyderPluginV2 API
    # -------------------------------------------------------------------------
    @staticmethod
    def get_name():
        return _("Appearance")

    @staticmethod
    def get_description():
        return _("Manage application appearance and themes.")

    @classmethod
    def get_icon(cls):
        return cls.create_icon('eyedropper')

    def on_initialize(self):
        # NOTES:
        # 1. This avoids applying the color scheme twice at startup, which is
        #    quite resource intensive.
        # 2. Notifications for this option are restored when creating the
        #    config page.
        self.disable_conf('ui_theme')

    @on_plugin_available(plugin=Plugins.Preferences)
    def register_preferences(self):
        preferences = self.get_plugin(Plugins.Preferences)
        preferences.register_plugin_preferences(self)

    @on_plugin_teardown(plugin=Plugins.Preferences)
    def deregister_preferences(self):
        preferences = self.get_plugin(Plugins.Preferences)
        preferences.deregister_plugin_preferences(self)
