- java.lang.Object
-
- javax.swing.AbstractListModel<E>
-
- javax.swing.DefaultComboBoxModel<E>
-
- Type Parameters:
E- the type of the elements of this model
- All Implemented Interfaces:
- Serializable, ComboBoxModel<E>, ListModel<E>, MutableComboBoxModel<E>
public class DefaultComboBoxModel<E> extends AbstractListModel<E> implements MutableComboBoxModel<E>, Serializable
The default model for combo boxes.
-
-
Field Summary
-
Fields inherited from class javax.swing.AbstractListModel
listenerList
-
-
Constructor Summary
Constructors 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.
-
Method Summary
Methods Modifier and Type Method and Description voidaddElement(E anObject)Adds an item at the end of the model.EgetElementAt(int index)Returns the value at the specified index.intgetIndexOf(Object anObject)Returns the index-position of the specified object in the list.ObjectgetSelectedItem()Returns the selected itemintgetSize()Returns the length of the list.voidinsertElementAt(E anObject, int index)Adds an item at a specific index.voidremoveAllElements()Empties the list.voidremoveElement(Object anObject)Removes an item from the model.voidremoveElementAt(int index)Removes an item at a specific index.voidsetSelectedItem(Object anObject)Set the value of the selected item.-
Methods inherited from class javax.swing.AbstractListModel
addListDataListener, fireContentsChanged, fireIntervalAdded, fireIntervalRemoved, getListDataListeners, getListeners, removeListDataListener
-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface javax.swing.ListModel
addListDataListener, removeListDataListener
-
-
-
-
Constructor Detail
-
DefaultComboBoxModel
public DefaultComboBoxModel()
Constructs an empty DefaultComboBoxModel object.
-
DefaultComboBoxModel
public DefaultComboBoxModel(E[] items)
Constructs a DefaultComboBoxModel object initialized with an array of objects.- Parameters:
items- an array of Object objects
-
-
Method Detail
-
setSelectedItem
public void setSelectedItem(Object anObject)
Set the value of the selected item. The selected item may be null.- Specified by:
setSelectedItemin interfaceComboBoxModel<E>- Parameters:
anObject- The combo box value or null for no selection.
-
getSelectedItem
public Object getSelectedItem()
Description copied from interface:ComboBoxModelReturns the selected item- Specified by:
getSelectedItemin interfaceComboBoxModel<E>- Returns:
- The selected item or
nullif there is no selection
-
getSize
public int getSize()
Description copied from interface:ListModelReturns the length of the list.
-
getElementAt
public E getElementAt(int index)
Description copied from interface:ListModelReturns the value at the specified index.- Specified by:
getElementAtin interfaceListModel<E>- Parameters:
index- the requested index- Returns:
- the value at
index
-
getIndexOf
public int getIndexOf(Object anObject)
Returns the index-position of the specified object in the list.- Parameters:
anObject-- Returns:
- an int representing the index position, where 0 is the first position
-
addElement
public void addElement(E anObject)
Description copied from interface:MutableComboBoxModelAdds an item at the end of the model. The implementation of this method should notify all registeredListDataListeners that the item has been added.- Specified by:
addElementin interfaceMutableComboBoxModel<E>- Parameters:
anObject- the item to be added
-
insertElementAt
public void insertElementAt(E anObject, int index)
Description copied from interface:MutableComboBoxModelAdds an item at a specific index. The implementation of this method should notify all registeredListDataListeners that the item has been added.- Specified by:
insertElementAtin interfaceMutableComboBoxModel<E>- Parameters:
anObject- the item to be addedindex- location to add the object
-
removeElementAt
public void removeElementAt(int index)
Description copied from interface:MutableComboBoxModelRemoves an item at a specific index. The implementation of this method should notify all registeredListDataListeners that the item has been removed.- Specified by:
removeElementAtin interfaceMutableComboBoxModel<E>- Parameters:
index- location of the item to be removed
-
removeElement
public void removeElement(Object anObject)
Description copied from interface:MutableComboBoxModelRemoves an item from the model. The implementation of this method should should notify all registeredListDataListeners that the item has been removed.- Specified by:
removeElementin interfaceMutableComboBoxModel<E>- Parameters:
anObject- theObjectto be removed
-
removeAllElements
public void removeAllElements()
Empties the list.
-
-
Traduction non disponible
Les API Java ne sont pas encore traduites en français sur l'infobrol. Seule la version anglaise est disponible pour l'instant.
Document créé le 31/08/2006, dernière modification le 04/03/2020
Source du document imprimé : https://www.gaudry.be/java-api-rf-javax/swing/DefaultComboBoxModel.html
L'infobrol est un site personnel dont le contenu n'engage que moi. Le texte est mis à disposition sous licence CreativeCommons(BY-NC-SA). Plus d'info sur les conditions d'utilisation et sur l'auteur.
Références
Ces références et liens indiquent des documents consultés lors de la rédaction de cette page, ou qui peuvent apporter un complément d'information, mais les auteurs de ces sources ne peuvent être tenus responsables du contenu de cette page.
L'auteur de ce site est seul responsable de la manière dont sont présentés ici les différents concepts, et des libertés qui sont prises avec les ouvrages de référence. N'oubliez pas que vous devez croiser les informations de sources multiples afin de diminuer les risques d'erreurs.
