Package org.jdesktop.swingx.combobox
Class ListComboBoxModel<E>
- java.lang.Object
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- javax.swing.AbstractListModel
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- org.jdesktop.swingx.combobox.ListComboBoxModel<E>
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- Type Parameters:
E
- the type of elements maintained by the list backing this model
- All Implemented Interfaces:
ActionListener
,Serializable
,EventListener
,ComboBoxModel
,ListModel
- Direct Known Subclasses:
EnumComboBoxModel
,MapComboBoxModel
public class ListComboBoxModel<E> extends AbstractListModel implements ComboBoxModel, ActionListener
AComboBoxModel
forList
s.- Author:
- jm158417, Karl George Schaefer
- See Also:
- Serialized Form
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Field Summary
Fields 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 backingList
has changed.-
Fields inherited from class javax.swing.AbstractListModel
listenerList
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Constructor Summary
Constructors Constructor Description ListComboBoxModel(List<E> list)
Creates aListComboBoxModel
backed by the suppliedlist
.
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Method Summary
All Methods Instance Methods Concrete Methods 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.-
Methods inherited from class javax.swing.AbstractListModel
addListDataListener, fireContentsChanged, fireIntervalAdded, fireIntervalRemoved, getListDataListeners, getListeners, removeListDataListener
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface javax.swing.ListModel
addListDataListener, removeListDataListener
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Field Detail
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UPDATE
public static final String UPDATE
A key used to notify the model that the backingList
has changed.- See Also:
- Constant Field Values
-
data
protected final List<E> data
A reference to the list backing this model.This model does not make a copy of the list, so any changes in the list without synchronizing the model may have drastic effects.
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selected
protected E selected
The currently selected item.
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Constructor Detail
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ListComboBoxModel
public ListComboBoxModel(List<E> list)
Creates aListComboBoxModel
backed by the suppliedlist
.- Parameters:
list
- the list backing this model- Throws:
NullPointerException
- iflist
isnull
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Method Detail
-
setSelectedItem
public void setSelectedItem(Object item)
Set the selected item. The implementation of this method should notify all registeredListDataListener
s that the contents have changed.- Specified by:
setSelectedItem
in interfaceComboBoxModel<E>
- Parameters:
item
- the list object to select ornull
to clear the selection- Throws:
ClassCastException
- ifitem
is not of typeE
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getSelectedItem
public E getSelectedItem()
- Specified by:
getSelectedItem
in interfaceComboBoxModel<E>
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getElementAt
public E getElementAt(int index)
- Specified by:
getElementAt
in interfaceListModel<E>
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actionPerformed
public void actionPerformed(ActionEvent evt)
- Specified by:
actionPerformed
in interfaceActionListener
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