/*
 * Copyright (c) 2002-2015, JIDE Software Inc. 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.
 */
package jidefx.utils.converter.javafx;

import javafx.geometry.Insets;
import jidefx.utils.converter.ConverterContext;
import jidefx.utils.converter.ValuesConverter;

import java.util.ArrayList;
import java.util.List;

/**
 * {@link jidefx.utils.converter.ObjectConverter} for {@link Insets}.
 */
public class InsetsConverter extends ValuesConverter<Insets, Double> {
    public InsetsConverter() {
        super("; ", Double.class);
    }

    public InsetsConverter(String separator) {
        super(separator, Double.class);
    }

    /**
     * Converts the Insets to String.
     *
     * @param insets  the Insets
     * @param context the converter context
     * @return the String representing the Insets.
     */
    @Override
    public String toString(Insets insets, ConverterContext context) {
        if (insets == null) {
            return null;
        }
        List<Double> list = new ArrayList<>(4);
        list.add(insets.getTop());
        list.add(insets.getRight());
        list.add(insets.getBottom());
        list.add(insets.getLeft());
        return valuesToString(list, context);
    }

    /**
     * Converts from a String to a Insets.
     *
     * @param string  the string
     * @param context the converter context
     * @return the Insets represented by te String.
     */
    @Override
    public Insets fromString(String string, ConverterContext context) {
        if (string == null || string.trim().isEmpty()) {
            return null;
        }
        List<Double> objects = valuesFromString(string, context);
        double top = 0;
        if (objects.size() >= 1) {
            top = objects.get(0);
        }
        double right = 0;
        if (objects.size() >= 2) {
            right = objects.get(1);
        }
        double bottom = 0;
        if (objects.size() >= 3) {
            bottom = objects.get(2);
        }
        double left = 0;
        if (objects.size() >= 4) {
            left = objects.get(3);
        }
        return new Insets(top, right, bottom, left);
    }
}