/*
 * Copyright (c) 2013, 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * questions.
 */

package javafx.scene.control;

import java.time.LocalDate;

import javafx.scene.AccessibleAttribute;
import javafx.scene.AccessibleRole;
import javafx.scene.control.skin.DateCellSkin;

/**
 * DateCell is used by {@link DatePicker} to render the individual
 * grid cells in the calendar month. By providing a
 * {@link DatePicker#dayCellFactoryProperty() dayCellFactory}, an
 * application can provide an update method to change each cell's
 * properties such as text, background color, etc.
 *
 * @since JavaFX 8.0
 */
public class DateCell extends Cell<LocalDate> {
    public DateCell() {
        getStyleClass().add(DEFAULT_STYLE_CLASS);
        setAccessibleRole(AccessibleRole.TEXT);
    }

    /** {@inheritDoc} */
    @Override public void updateItem(LocalDate item, boolean empty) {
        super.updateItem(item, empty);
    }

    /** {@inheritDoc} */
    @Override protected Skin<?> createDefaultSkin() {
        return new DateCellSkin(this);
    }

    /* *************************************************************************
     *                                                                         *
     * Stylesheet Handling                                                     *
     *                                                                         *
     **************************************************************************/

    private static final String DEFAULT_STYLE_CLASS = "date-cell";

    /* *************************************************************************
     *                                                                         *
     * Accessibility handling                                                  *
     *                                                                         *
     **************************************************************************/

    /** {@inheritDoc} */
    @Override
    public Object queryAccessibleAttribute(AccessibleAttribute attribute, Object... parameters) {
        switch (attribute) {
            case TEXT: {
                if (isFocused()) {
                    return getText();
                }
                return "";
            }
            default: return super.queryAccessibleAttribute(attribute, parameters);
        }
    }
}