/*
* Copyright (C) 2015 thirdy
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package net.thirdy.blackmarket.fxcontrols;
import java.util.Optional;
import javafx.scene.control.TextField;
import javafx.scene.control.TextFormatter;
import javafx.util.converter.IntegerStringConverter;
/**
* @author thirdy
*
*/
public class IntegerTextField extends TextField {
IntegerStringConverter valueConverter = new IntegerStringConverter();
public IntegerTextField(String promptText) {
// setOnKeyPressed(e -> {if(e.getCode()==KeyCode.CONTROL) e.consume();});
setTextFormatter(new TextFormatter<>(valueConverter));
setPromptText(promptText);
}
public Optional<Integer> getOptionalValue() {
// getText returns empty string
return Optional.of(getText()).filter(s -> !s.isEmpty()).map(s -> valueConverter.fromString(s));
}
}