E
- the type of the elements of this modelpublic class DefaultComboBoxModel<E> extends AbstractListModel<E> implements MutableComboBoxModel<E>, Serializable
listenerList
Constructor and Description |
---|
DefaultComboBoxModel()
Constructs an empty DefaultComboBoxModel object.
|
DefaultComboBoxModel(E[] items)
Constructs a DefaultComboBoxModel object initialized with
an array of objects.
|
DefaultComboBoxModel(Vector<E> v)
Constructs a DefaultComboBoxModel object initialized with
a vector.
|
Modifier and Type | Method and Description |
---|---|
void |
addElement(E anObject)
Adds an item at the end of the model.
|
E |
getElementAt(int index)
Returns the value at the specified index.
|
int |
getIndexOf(Object anObject)
Returns the index-position of the specified object in the list.
|
Object |
getSelectedItem()
Returns the selected item
|
int |
getSize()
Returns the length of the list.
|
void |
insertElementAt(E anObject,
int index)
Adds an item at a specific index.
|
void |
removeAllElements()
Empties the list.
|
void |
removeElement(Object anObject)
Removes an item from the model.
|
void |
removeElementAt(int index)
Removes an item at a specific index.
|
void |
setSelectedItem(Object anObject)
Set the value of the selected item.
|
addListDataListener, fireContentsChanged, fireIntervalAdded, fireIntervalRemoved, getListDataListeners, getListeners, removeListDataListener
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
addListDataListener, removeListDataListener
public DefaultComboBoxModel()
public DefaultComboBoxModel(E[] items)
items
- an array of Object objectspublic void setSelectedItem(Object anObject)
setSelectedItem
in interface ComboBoxModel<E>
anObject
- The combo box value or null for no selection.public Object getSelectedItem()
ComboBoxModel
getSelectedItem
in interface ComboBoxModel<E>
null
if there is no selectionpublic int getSize()
ListModel
public E getElementAt(int index)
ListModel
getElementAt
in interface ListModel<E>
index
- the requested indexindex
public int getIndexOf(Object anObject)
anObject
- public void addElement(E anObject)
MutableComboBoxModel
ListDataListener
s that the
item has been added.addElement
in interface MutableComboBoxModel<E>
anObject
- the item to be addedpublic void insertElementAt(E anObject, int index)
MutableComboBoxModel
ListDataListener
s that the
item has been added.insertElementAt
in interface MutableComboBoxModel<E>
anObject
- the item to be addedindex
- location to add the objectpublic void removeElementAt(int index)
MutableComboBoxModel
ListDataListener
s that the
item has been removed.removeElementAt
in interface MutableComboBoxModel<E>
index
- location of the item to be removedpublic void removeElement(Object anObject)
MutableComboBoxModel
ListDataListener
s that the
item has been removed.removeElement
in interface MutableComboBoxModel<E>
anObject
- the Object
to be removedpublic void removeAllElements()
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2017, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.