diff options
Diffstat (limited to 'libjava/classpath/javax/swing/BoundedRangeModel.java')
-rw-r--r-- | libjava/classpath/javax/swing/BoundedRangeModel.java | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/libjava/classpath/javax/swing/BoundedRangeModel.java b/libjava/classpath/javax/swing/BoundedRangeModel.java index 5f85000d66b..5ca5a7e043e 100644 --- a/libjava/classpath/javax/swing/BoundedRangeModel.java +++ b/libjava/classpath/javax/swing/BoundedRangeModel.java @@ -1,5 +1,5 @@ /* BoundedRangeModel.java -- - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,10 +38,17 @@ exception statement from your version. */ package javax.swing; +import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; /** - * The data model that is used in components that display a range of values, + * 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 @@ -49,16 +56,18 @@ import javax.swing.event.ChangeListener; public interface BoundedRangeModel { /** - * getValue + * Returns the current value for the model. * - * @return int + * @return The current value for the model. * * @see #setValue(int) */ int getValue(); /** - * setValue + * 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 * @@ -67,16 +76,20 @@ public interface BoundedRangeModel void setValue(int value); /** - * getMinimum + * 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 int + * @return The lower bound for the model. * * @see #setMinimum(int) + * @see #getMaximum() */ int getMinimum(); /** - * setMinimum + * 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 * @@ -85,16 +98,22 @@ public interface BoundedRangeModel void setMinimum(int minimum); /** - * getMaximum + * 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 int + * @return The upper bound for the model. * * @see #setMaximum(int) + * @see #getMinimum() */ int getMaximum(); /** - * setMaximum + * 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 * @@ -108,12 +127,12 @@ public interface BoundedRangeModel * @return <code>true</code> if value is adjusting, * otherwise <code>false</code> * - * @see setValueIsAdjusting(boolean) + * @see #setValueIsAdjusting(boolean) */ boolean getValueIsAdjusting(); /** - * setValueIsAdjusting + * Sets the <code>valueIsAdjusting</code> property. * * @param adjusting <code>true</code> if adjusting, * <code>false</code> otherwise @@ -132,7 +151,8 @@ public interface BoundedRangeModel int getExtent(); /** - * setExtent + * 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 * @@ -141,12 +161,14 @@ public interface BoundedRangeModel void setExtent(int extent); /** - * setRangeProperties + * Sets all the properties for the model in a single call. + * * @param value the value * @param extent the extent * @param minnimum the minimum value * @param maximum the maximum value - * @param adjusting TODO + * @param adjusting a flag that indicates the model is being adjusted + * continuously. */ void setRangeProperties(int value, int extent, int minimum, int maximum, boolean adjusting); @@ -156,7 +178,7 @@ public interface BoundedRangeModel * * @param listener the listener to add * - * @see #removeChangeListener(javax.swing.event.ChangeListener) + * @see #removeChangeListener(ChangeListener) */ void addChangeListener(ChangeListener listener); @@ -165,7 +187,7 @@ public interface BoundedRangeModel * * @param listener the listener to remove * - * @see #addChangeListener(javax.swing.event.ChangeListener) + * @see #addChangeListener(ChangeListener) */ void removeChangeListener(ChangeListener listener); } |