/*
* 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.scene.control.field.verifier;
/**
* A pattern verifier that verifies the digits that is the fraction digits (after the floating point) of the whole
* number.
*/
public abstract class FractionDigitsPatternVerifier<T> extends NumberValuePatternVerifier<T> {
public FractionDigitsPatternVerifier(int length) {
this(length, 1);
}
public FractionDigitsPatternVerifier(int length, double valueMultiplier) {
super(0, (int) Math.pow(10, length) - 1, 1.0 / Math.pow(10, length), valueMultiplier);
if (length <= 0) {
throw new IllegalArgumentException("The length must be greater than 1");
}
}
@Override
protected Number getGroupValue(double targetValue) {
super.getGroupValue(targetValue);
double value = targetValue - Math.floor(targetValue);
return Math.round(value / adjustmentMultiplier);
}
@Override
protected double getTargetValue(Number groupValue) {
double value = getMultipliedValue(targetValue.doubleValue());
return getDemultipliedValue(Math.floor(value) + groupValue.intValue() * adjustmentMultiplier);
}
}