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.
- Since:
- 1.2
- 
Field SummaryFields declared in class javax.swing.AbstractListModellistenerList
- 
Constructor SummaryConstructorsConstructorDescriptionConstructs an empty DefaultComboBoxModel object.DefaultComboBoxModel(E[] items) Constructs a DefaultComboBoxModel object initialized with an array of objects.Constructs a DefaultComboBoxModel object initialized with a vector.
- 
Method SummaryModifier and TypeMethodDescriptionvoidaddAll(int index, Collection<? extends E> c) Adds all of the elements present in the collection, starting from the specified index.voidaddAll(Collection<? extends E> c) Adds all of the elements present in the collection.voidaddElement(E anObject) Adds an item at the end of the model.getElementAt(int index) Returns the value at the specified index.intgetIndexOf(Object anObject) Returns the index-position of the specified object in the list.Returns the selected itemintgetSize()Returns the length of the list.voidinsertElementAt(E anObject, int index) Adds an item at a specific index.voidEmpties 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 declared in class javax.swing.AbstractListModeladdListDataListener, fireContentsChanged, fireIntervalAdded, fireIntervalRemoved, getListDataListeners, getListeners, removeListDataListenerMethods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods declared in interface javax.swing.ListModeladdListDataListener, removeListDataListener
- 
Constructor Details- 
DefaultComboBoxModelpublic DefaultComboBoxModel()Constructs an empty DefaultComboBoxModel object.
- 
DefaultComboBoxModelConstructs a DefaultComboBoxModel object initialized with an array of objects.- Parameters:
- items- an array of Object objects
 
- 
DefaultComboBoxModelConstructs a DefaultComboBoxModel object initialized with a vector.- Parameters:
- v- a Vector object ...
 
 
- 
- 
Method Details- 
setSelectedItemSet the value of the selected item. The selected item may be null.- Specified by:
- setSelectedItemin interface- ComboBoxModel<E>
- Parameters:
- anObject- The combo box value or null for no selection.
 
- 
getSelectedItemDescription copied from interface:ComboBoxModelReturns the selected item- Specified by:
- getSelectedItemin interface- ComboBoxModel<E>
- Returns:
- The selected item or nullif there is no selection
 
- 
getSizepublic int getSize()Description copied from interface:ListModelReturns the length of the list.
- 
getElementAtDescription copied from interface:ListModelReturns the value at the specified index.- Specified by:
- getElementAtin interface- ListModel<E>
- Parameters:
- index- the requested index
- Returns:
- the value at index
 
- 
getIndexOfReturns the index-position of the specified object in the list.- Parameters:
- anObject- the object to return the index of
- Returns:
- an int representing the index position, where 0 is the first position
 
- 
addElementDescription 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 interface- MutableComboBoxModel<E>
- Parameters:
- anObject- the item to be added
 
- 
insertElementAtDescription 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 interface- MutableComboBoxModel<E>
- Parameters:
- anObject- the item to be added
- index- location to add the object
 
- 
removeElementAtpublic 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 interface- MutableComboBoxModel<E>
- Parameters:
- index- location of the item to be removed
 
- 
removeElementDescription 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 interface- MutableComboBoxModel<E>
- Parameters:
- anObject- the- Objectto be removed
 
- 
removeAllElementspublic void removeAllElements()Empties the list.
- 
addAllAdds all of the elements present in the collection.- Parameters:
- c- the collection which contains the elements to add
- Throws:
- NullPointerException- if- cis null
 
- 
addAllAdds all of the elements present in the collection, starting from the specified index.- Parameters:
- index- index at which to insert the first element from the specified collection
- c- the collection which contains the elements to add
- Throws:
- ArrayIndexOutOfBoundsException- if- indexdoes not fall within the range of number of elements currently held
- NullPointerException- if- cis null
 
 
-