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/*
 * Copyright (C) 2014 Dmitry Ovchinnikov
 * Marid, the free data acquisition and visualization software
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 */

package org.marid.swing.input;

import javax.swing.*;
import java.text.NumberFormat;

/**
 * @author Dmitry Ovchinnikov
 */
public class IntInputControl implements InputControl {

    private final JFormattedTextField field = new JFormattedTextField(NumberFormat.getIntegerInstance());

    @Override
    public Integer getInputValue() {
        return field.getText().isEmpty() ? null : ((Number) field.getValue()).intValue();
    }

    @Override
    public void setInputValue(Integer value) {
        if (value != null) {
            field.setValue(value);
        }
    }

    @Override
    public JComponent getComponent() {
        return field;
    }
}