| 0,0 → 1,89 |
|---|
| /* |
| AVRcamVIEW: A PC application to test out the functionallity of the |
| AVRcam real-time image processing engine. |
| Copyright (C) 2004 Brent A. Taylor |
| |
| 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 |
| |
| For more information on the AVRcamVIEW, please contact: |
| |
| taylorba@comcast.net |
| |
| or go to www.jrobot.net for more details regarding the system. |
| */ |
| |
| package avr.swing; |
| |
| import javax.swing.SpinnerNumberModel; |
| |
| public class WrapSpinnerNumberModel extends SpinnerNumberModel { |
| |
| public WrapSpinnerNumberModel(Number value, Comparable minimum, |
| Comparable maximum, Number stepSize) { |
| super(value, minimum, maximum, stepSize); |
| } |
| |
| public WrapSpinnerNumberModel(int value, int minimum, |
| int maximum, int stepSize) { |
| super(new Integer(value), new Integer(minimum), |
| new Integer(maximum), new Integer(stepSize)); |
| } |
| |
| public Object getNextValue() { |
| return increment(+1); |
| } |
| |
| public Object getPreviousValue() { |
| return increment(-1); |
| } |
| |
| private Number increment(int dir) { |
| Number newValue; |
| if ((getValue() instanceof Float) || (getValue() instanceof Double)) { |
| double v = ((Number)getValue()).doubleValue() + |
| (((Number)getStepSize()).doubleValue() * (double)dir); |
| if (getValue() instanceof Double) { |
| newValue = new Double(v); |
| } else { |
| newValue = new Float(v); |
| } |
| } else { |
| long v = ((Number)getValue()).longValue() + |
| (((Number)getStepSize()).longValue() * (long)dir); |
| |
| if (getValue() instanceof Long) { |
| newValue = new Long(v); |
| } else if (getValue() instanceof Integer) { |
| newValue = new Integer((int)v); |
| } else if (getValue() instanceof Short) { |
| newValue = new Short((short)v); |
| } else { |
| newValue = new Byte((byte)v); |
| } |
| } |
| |
| if ((getMaximum() != null) && (((Comparable)getMaximum()).compareTo(newValue) < 0)) { |
| return (Number)getMinimum(); |
| } |
| |
| if ((getMinimum() != null) && (((Comparable)getMinimum()).compareTo(newValue) > 0)) { |
| return (Number)getMaximum(); |
| } |
| |
| return newValue; |
| } |
| |
| } |
| |