#
# Copyright (c) 2023 Maxim Slipenko, Eugene Lazurenko.
#
# This file is part of Statapp
# (see https://github.com/shizand/statapp).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import numpy as np
from PySide2.QtCore import Qt

from statapp.models.ro_table_model import ROTableModel


class EditableTableModel(ROTableModel):
    def __init__(self, data=np.array([[]], dtype=np.float32)):
        super().__init__()

        self._data = data

    def flags(self, index):
        return Qt.ItemIsSelectable | Qt.ItemIsEnabled | Qt.ItemIsEditable

    def setData(self, index, value, role):
        if role == Qt.EditRole:
            try:
                value = float(value)
            except ValueError:
                return False
            self._data[index.row(), index.column()] = value
            return True
        return False

    def data(self, index, role):
        if role in (Qt.DisplayRole, Qt.EditRole):
            return super().data(index, Qt.DisplayRole)

        return None