E
- the type of elements maintained by the list backing this modelActionListener
, Serializable
, EventListener
, ComboBoxModel
, ListModel<E>
EnumComboBoxModel
, MapComboBoxModel
public class ListComboBoxModel<E> extends AbstractListModel implements ComboBoxModel, ActionListener
ComboBoxModel
for List
s.Modifier and Type | Field | Description |
---|---|---|
protected List<E> |
data |
A reference to the list backing this model.
|
protected E |
selected |
The currently selected item.
|
static String |
UPDATE |
A key used to notify the model that the backing
List has changed. |
listenerList
Constructor | Description |
---|---|
ListComboBoxModel(List<E> list) |
Creates a
ListComboBoxModel backed by the supplied list . |
Modifier and Type | Method | Description |
---|---|---|
void |
actionPerformed(ActionEvent evt) |
|
E |
getElementAt(int index) |
|
E |
getSelectedItem() |
|
int |
getSize() |
|
void |
setSelectedItem(Object item) |
Set the selected item.
|
addListDataListener, fireContentsChanged, fireIntervalAdded, fireIntervalRemoved, getListDataListeners, getListeners, removeListDataListener
addListDataListener, removeListDataListener
public static final String UPDATE
List
has changed.protected final List<E> data
This model does not make a copy of the list, so any changes in the list without synchronizing the model may have drastic effects.
protected E selected
public ListComboBoxModel(List<E> list)
ListComboBoxModel
backed by the supplied list
.list
- the list backing this modelNullPointerException
- if list
is null
public void setSelectedItem(Object item)
ListDataListener
s that the contents have changed.setSelectedItem
in interface ComboBoxModel<E>
item
- the list object to select or null
to clear the
selectionClassCastException
- if item
is not of type E
public E getSelectedItem()
getSelectedItem
in interface ComboBoxModel<E>
public E getElementAt(int index)
getElementAt
in interface ListModel<E>
public void actionPerformed(ActionEvent evt)
actionPerformed
in interface ActionListener
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