#     Copyright 2016-present CERN – European Organization for Nuclear Research
#
#     Licensed under the Apache License, Version 2.0 (the "License");
#     you may not use this file except in compliance with the License.
#     You may obtain a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#     Unless required by applicable law or agreed to in writing, software
#     distributed under the License is distributed on an "AS IS" BASIS,
#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#     See the License for the specific language governing permissions and
#     limitations under the License.

from qf_lib.plotting.charts.heatmap.heatmap_chart_decorator import HeatMapChartDecorator


class ColorBar(HeatMapChartDecorator):
    """ Adds color bar to the heat map. """

    def __init__(self, key=None, **plot_settings):
        super().__init__(key)
        self._color_bar = None
        self._plot_settings = plot_settings

    def decorate(self, chart: "HeatMapChart"):
        self._color_bar = chart.axes.figure.colorbar(chart.color_mesh_, ax=chart.axes, **self._plot_settings)
