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1 files changed, 193 insertions, 0 deletions

diff --git a/libjava/classpath/javax/swing/BoundedRangeModel.java b/libjava/classpath/javax/swing/BoundedRangeModel.java
new file mode 100644
index 000000000..87fec5f0f
--- /dev/null
+++ b/libjava/classpath/javax/swing/BoundedRangeModel.java
@@ -0,0 +1,193 @@
+/* BoundedRangeModel.java --
+   Copyright (C) 2002, 2004, 2005 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 javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+
+/**
+ * The data model that represents a <i>range</i> that is constrained to fit
+ * within specified <i>bounds</i>.  The range is defined as <code>value</code>
+ * to <code>value + extent</code>, where both <code>value</code> and
+ * <code>extent</code> are integers, and <code>extent >= 0</code>.   The bounds
+ * are defined by integers <code>minimum</code> and <code>maximum</code>.
+ * <p>
+ * This type of model is used in components that display a range of values,
+ * like {@link JProgressBar} and {@link JSlider}.
+ *
+ * @author Andrew Selkirk
+ */
+public interface BoundedRangeModel
+{
+  /**
+   * Returns the current value for the model.
+   *
+   * @return The current value for the model.
+   *
+   * @see #setValue(int)
+   */
+  int getValue();
+
+  /**
+   * Sets the value for the model and sends a {@link ChangeEvent} to
+   * all registered listeners.  The new value must satisfy the constraint
+   * <code>min <= value <= value + extent <= max</code>.
+   *
+   * @param value the value
+   *
+   * @see #getValue()
+   */
+  void setValue(int value);
+
+  /**
+   * Returns the lower bound for the model.  The start of the model's range
+   * (see {@link #getValue()}) cannot be less than this lower bound.
+   *
+   * @return The lower bound for the model.
+   *
+   * @see #setMinimum(int)
+   * @see #getMaximum()
+   */
+  int getMinimum();
+
+  /**
+   * Sets the lower bound for the model and sends a {@link ChangeEvent} to all
+   * registered listeners.  The new minimum must be less than or equal to the
+   * start value of the model's range (as returned by {@link #getValue()}).
+   *
+   * @param minimum the minimum value
+   *
+   * @see #getMinimum()
+   */
+  void setMinimum(int minimum);
+
+  /**
+   * Returns the upper bound for the model.  This sets an upper limit for the
+   * end value of the model's range ({@link #getValue()} +
+   * {@link #getExtent()}).
+   *
+   * @return The upper bound for the model.
+   *
+   * @see #setMaximum(int)
+   * @see #getMinimum()
+   */
+  int getMaximum();
+
+  /**
+   * Sets the upper bound for the model and sends a {@link ChangeEvent} to all
+   * registered listeners.  The new maximum must be greater than or equal to the
+   * end value of the model's range (as returned by {@link #getValue()} +
+   * {@link #getExtent()}).
+   *
+   * @param maximum the maximum value
+   *
+   * @see #getMaximum()
+   */
+  void setMaximum(int maximum);
+
+  /**
+   * Returns the value of the <code>valueIsAdjusting</code> property.
+   *
+   * @return <code>true</code> if value is adjusting,
+   * otherwise <code>false</code>
+   *
+   * @see #setValueIsAdjusting(boolean)
+   */
+  boolean getValueIsAdjusting();
+
+  /**
+   * Sets the <code>valueIsAdjusting</code> property.
+   *
+   * @param adjusting <code>true</code> if adjusting,
+   * <code>false</code> otherwise
+   *
+   * @see #getValueIsAdjusting()
+   */
+  void setValueIsAdjusting(boolean adjusting);
+
+  /**
+   * Returns the current extent.
+   *
+   * @return the extent
+   *
+   * @see #setExtent(int)
+   */
+  int getExtent();
+
+  /**
+   * Sets the extent, which is the length of the model's range, and sends a
+   * {@link ChangeEvent} to all registered listeners.
+   *
+   * @param extent the extent
+   *
+   * @see #getExtent()
+   */
+  void setExtent(int extent);
+
+  /**
+   * Sets all the properties for the model in a single call.
+   *
+   * @param value the value
+   * @param extent the extent
+   * @param minimum the minimum value
+   * @param maximum the maximum value
+   * @param adjusting a flag that indicates the model is being adjusted
+   *                  continuously.
+   */
+  void setRangeProperties(int value, int extent, int minimum, int maximum,
+                          boolean adjusting);
+
+  /**
+   * Adds a <code>ChangeListener</code> to this object.
+   *
+   * @param listener the listener to add
+   *
+   * @see #removeChangeListener(ChangeListener)
+   */
+  void addChangeListener(ChangeListener listener);
+
+  /**
+   * Removes a <code>ChangeListener</code> from this object.
+   *
+   * @param listener the listener to remove
+   *
+   * @see #addChangeListener(ChangeListener)
+   */
+  void removeChangeListener(ChangeListener listener);
+}