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Diffstat (limited to 'libjava/classpath/javax/swing/SpinnerNumberModel.java')
-rw-r--r-- | libjava/classpath/javax/swing/SpinnerNumberModel.java | 361 |
1 files changed, 0 insertions, 361 deletions
diff --git a/libjava/classpath/javax/swing/SpinnerNumberModel.java b/libjava/classpath/javax/swing/SpinnerNumberModel.java deleted file mode 100644 index af3fea6..0000000 --- a/libjava/classpath/javax/swing/SpinnerNumberModel.java +++ /dev/null @@ -1,361 +0,0 @@ -/* SpinnerNumberModel.java -- - Copyright (C) 2002, 2004, 2006 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath 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, or (at your option) -any later version. - -GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package javax.swing; - -import java.io.Serializable; - -import javax.swing.event.ChangeEvent; - -/** - * A model used by the {@link JSpinner} component. - * - * @author Ka-Hing Cheung - * @since 1.4 - */ -public class SpinnerNumberModel extends AbstractSpinnerModel - implements Serializable -{ - /** - * For compatability with Sun's JDK - */ - private static final long serialVersionUID = 7279176385485777821L; - - /** The current value. */ - private Number value; - - /** The minimum value (or <code>null</code>). */ - private Comparable minimum; - - /** The maximum value (or <code>null</code>). */ - private Comparable maximum; - - /** The step size. */ - private Number stepSize; - - /** - * Creates a <code>SpinnerNumberModel</code> with initial value 0, step 1, - * and no maximum nor minimum. - */ - public SpinnerNumberModel() - { - this(new Integer(0), null, null, new Integer(1)); - } - - /** - * Creates a <code>SpinnerNumberModel</code> with double precision. - * - * @param value the initial value - * @param minimum the minimum value - * @param maximum the maximum value - * @param stepSize the step size - * @throws IllegalArgumentException if minimum <= value <= maximum does - * not hold. - */ - public SpinnerNumberModel(double value, double minimum, double maximum, - double stepSize) - { - this(new Double(value), new Double(minimum), new Double(maximum), - new Double(stepSize)); - } - - /** - * Creates a <code>SpinnerNumberModel</code> with integer precision. - * - * @param value the initial value - * @param minimum the minimum value - * @param maximum the maximum value - * @param stepSize the step size - * @throws IllegalArgumentException if minimum <= value <= maximum does - * not hold. - */ - public SpinnerNumberModel(int value, int minimum, int maximum, int stepSize) - { - this(new Integer(value), new Integer(minimum), new Integer(maximum), - new Integer(stepSize)); - } - - /** - * Creates a <code>SpinnerNumberModel</code> with the given attributes. The - * caller should ensure that both <code>minimum</code> and - * <code>maximum</code> are serializable. - * - * @param value the initial value (<code>null</code> not permitted). - * @param minimum the minimum value (<code>null</code> permitted). - * @param maximum the maximum value (<code>null</code> permitted). - * @param stepSize the step size (<code>null</code> not permitted). - * - * @throws IllegalArgumentException if minimum <= value <= maximum - * does not hold - * @throws IllegalArgumentException if <code>value</code> is - * <code>null</code>. - * @throws IllegalArgumentException if <code>stepSize</code> is - * <code>null</code>. - */ - public SpinnerNumberModel(Number value, Comparable minimum, - Comparable maximum, Number stepSize) - { - if (stepSize == null) - throw new IllegalArgumentException("stepSize may not be null"); - if (value == null) - throw new IllegalArgumentException("value may not be null"); - if (minimum != null) - { - if (minimum.compareTo(value) > 0) - throw new IllegalArgumentException("minimum is not <= value"); - } - if (maximum != null) - { - if (maximum.compareTo(value) < 0) - throw new IllegalArgumentException("maximum is not >= value"); - } - - this.value = value; - this.stepSize = stepSize; - this.minimum = minimum; - this.maximum = maximum; - } - - /** - * Sets the current value and, if the new value is different to the old - * value, sends a {@link ChangeEvent} to all registered listeners. - * - * @param value the new value (<code>null</code> not permitted, must be an - * instance of <code>Number</code>). - * - * @throws IllegalArgumentException if <code>value</code> is not an instance - * of <code>Number</code>. - */ - public void setValue(Object value) - { - if (! (value instanceof Number)) - throw new IllegalArgumentException("value must be a Number"); - - if (!this.value.equals(value)) - { - this.value = (Number) value; - fireStateChanged(); - } - } - - /** - * Returns the current value, which for this class is always an instance of - * {@link Number}. - * - * @return The current value. - * - * @see #getNumber() - */ - public Object getValue() - { - return value; - } - - /** - * Returns the next value, or <code>null</code> if adding the step size to - * the current value results in a value greater than the maximum value. - * The current value is not changed. - * - * @return The next value, or <code>null</code> if the current value is the - * maximum value represented by this model. - */ - public Object getNextValue() - { - Number num; - - if (value instanceof Double) - num = new Double(value.doubleValue() + stepSize.doubleValue()); - else if (value instanceof Float) - num = new Double(value.floatValue() + stepSize.floatValue()); - else if (value instanceof Long) - num = new Long(value.longValue() + stepSize.longValue()); - else if (value instanceof Integer) - num = new Integer(value.intValue() + stepSize.intValue()); - else if (value instanceof Short) - num = new Short((short) (value.shortValue() + stepSize.shortValue())); - else - num = new Byte((byte) (value.byteValue() + stepSize.byteValue())); - - // check upper bound if set - if ((maximum != null) && maximum.compareTo(num) < 0) - num = null; - - return num; - } - - /** - * Returns the previous value, or <code>null</code> if subtracting the - * step size from the current value results in a value less than the minimum - * value. The current value is not changed. - * - * @return The previous value, or <code>null</code> if the current value - * is the minimum value represented by this model. - */ - public Object getPreviousValue() - { - Number num; - - if (value instanceof Double) - num = new Double(value.doubleValue() - stepSize.doubleValue()); - else if (value instanceof Float) - num = new Double(value.floatValue() - stepSize.floatValue()); - else if (value instanceof Long) - num = new Long(value.longValue() - stepSize.longValue()); - else if (value instanceof Integer) - num = new Integer(value.intValue() - stepSize.intValue()); - else if (value instanceof Short) - num = new Short((short) (value.shortValue() - stepSize.shortValue())); - else - num = new Byte((byte) (value.byteValue() - stepSize.byteValue())); - - // check lower bound if set - if ((minimum != null) && minimum.compareTo(num) > 0) - num = null; - - return num; - } - - /** - * Returns the current value. - * - * @return The current value. - */ - public Number getNumber() - { - return value; - } - - /** - * Returns the minimum value, or <code>null</code> if there is no minimum. - * - * @return The minimum value. - * - * @see #setMinimum(Comparable) - */ - public Comparable getMinimum() - { - return minimum; - } - - /** - * Sets the minimum value and, if the new value is different to the old - * value, sends a {@link ChangeEvent} to all registered listeners. A - * <code>null</code> value is interpreted as "no minimum value". No check - * is made to ensure that the new minimum is less than or equal to the - * current value, the caller is responsible for ensuring that this - * relationship holds. In addition, the caller should ensure that - * <code>newMinimum</code> is {@link Serializable}. - * - * @param newMinimum the new minimum value (<code>null</code> permitted). - * - * @see #getMinimum() - */ - public void setMinimum(Comparable newMinimum) - { - if (minimum != null ? !minimum.equals(newMinimum) : newMinimum != null) - { - minimum = newMinimum; - fireStateChanged(); - } - } - - /** - * Returns the maximum value, or <code>null</code> if there is no maximum. - * - * @return The maximum value. - * - * @see #getMinimum() - * @see #setMaximum(Comparable) - */ - public Comparable getMaximum() - { - return maximum; - } - - /** - * Sets the maximum value and, if the new value is different to the old - * value, sends a {@link ChangeEvent} to all registered listeners. A - * <code>null</code> value is interpreted as "no maximum value". No check - * is made to ensure that the new maximum is greater than or equal to the - * current value, the caller is responsible for ensuring that this - * relationship holds. In addition, the caller should ensure that - * <code>newMaximum</code> is {@link Serializable}. - * - * @param newMaximum the new maximum (<code>null</code> permitted). - * - * @see #getMaximum() - */ - public void setMaximum(Comparable newMaximum) - { - if (maximum != null ? !maximum.equals(newMaximum) : newMaximum != null) - { - maximum = newMaximum; - fireStateChanged(); - } - } - - /** - * Returns the step size. - * - * @return The step size (never <code>null</code>). - */ - public Number getStepSize() - { - return stepSize; - } - - /** - * Sets the step size and, if the new step size is different to the old - * step size, sends a {@link ChangeEvent} to all registered listeners. - * - * @param newStepSize the new step size (<code>null</code> not permitted). - * - * @throws IllegalArgumentException if <code>newStepSize</code> is - * <code>null</code>. - */ - public void setStepSize(Number newStepSize) - { - if (newStepSize == null) - throw new IllegalArgumentException(); - - if (!stepSize.equals(newStepSize)) - { - stepSize = newStepSize; - fireStateChanged(); - } - } -} |