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31 |
31 |
32 /** |
32 /** |
33 * A model for a potentially unbounded sequence of object values. This model |
33 * A model for a potentially unbounded sequence of object values. This model |
34 * is similar to <code>ListModel</code> however there are some important differences: |
34 * is similar to <code>ListModel</code> however there are some important differences: |
35 * <ul> |
35 * <ul> |
36 * <li> The number of sequence elements isn't neccessarily bounded. |
36 * <li> The number of sequence elements isn't necessarily bounded. |
37 * <li> The model doesn't support indexed random access to sequence elements. |
37 * <li> The model doesn't support indexed random access to sequence elements. |
38 * Only three sequence values are accessible at a time: current, next and |
38 * Only three sequence values are accessible at a time: current, next and |
39 * previous. |
39 * previous. |
40 * <li> The current sequence element, can be set. |
40 * <li> The current sequence element, can be set. |
41 * </ul> |
41 * </ul> |
48 * <dt><code>nextValue</code> |
48 * <dt><code>nextValue</code> |
49 * <dd>The following element or null if <code>value</code> is the |
49 * <dd>The following element or null if <code>value</code> is the |
50 * last element of the sequence. |
50 * last element of the sequence. |
51 * |
51 * |
52 * <dt><code>previousValue</code> |
52 * <dt><code>previousValue</code> |
53 * <dd>The preceeding element or null if <code>value</code> is the |
53 * <dd>The preceding element or null if <code>value</code> is the |
54 * first element of the sequence. |
54 * first element of the sequence. |
55 * </dl> |
55 * </dl> |
56 * When the the <code>value</code> property changes, |
56 * When the the <code>value</code> property changes, |
57 * <code>ChangeListeners</code> are notified. <code>SpinnerModel</code> may |
57 * <code>ChangeListeners</code> are notified. <code>SpinnerModel</code> may |
58 * choose to notify the <code>ChangeListeners</code> under other circumstances. |
58 * choose to notify the <code>ChangeListeners</code> under other circumstances. |