DefaultComboBoxModel (Java Platform SE 6) (original) (raw)
javax.swing
Class DefaultComboBoxModel
java.lang.Object
javax.swing.AbstractListModel
javax.swing.DefaultComboBoxModel
All Implemented Interfaces:
Serializable, ComboBoxModel, ListModel, MutableComboBoxModel
public class DefaultComboBoxModel
extends AbstractListModel
implements MutableComboBoxModel, Serializable
The default model for combo boxes.
| Field Summary |
|---|
| Fields inherited from class javax.swing.AbstractListModel |
|---|
| listenerList |
| Constructor Summary |
|---|
| DefaultComboBoxModel() Constructs an empty DefaultComboBoxModel object. |
| DefaultComboBoxModel(Object[] items) Constructs a DefaultComboBoxModel object initialized with an array of objects. |
| DefaultComboBoxModel(Vector<?> v) Constructs a DefaultComboBoxModel object initialized with a vector. |
| Method Summary | |
|---|---|
| void | addElement(Object anObject) Adds an item at the end of the model. |
| Object | 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](../../javax/swing/DefaultComboBoxModel.html#insertElementAt%28java.lang.Object, int%29)(Object 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. |
| Methods inherited from class javax.swing.AbstractListModel |
|---|
| addListDataListener, [fireContentsChanged](../../javax/swing/AbstractListModel.html#fireContentsChanged%28java.lang.Object, int, int%29), [fireIntervalAdded](../../javax/swing/AbstractListModel.html#fireIntervalAdded%28java.lang.Object, int, int%29), [fireIntervalRemoved](../../javax/swing/AbstractListModel.html#fireIntervalRemoved%28java.lang.Object, int, int%29), getListDataListeners, getListeners, removeListDataListener |
| Methods inherited from class java.lang.Object |
|---|
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, [wait](../../java/lang/Object.html#wait%28long, int%29) |
| Methods inherited from interface javax.swing.ListModel |
|---|
| addListDataListener, removeListDataListener |
| Constructor Detail |
|---|
DefaultComboBoxModel
public DefaultComboBoxModel()
Constructs an empty DefaultComboBoxModel object.
DefaultComboBoxModel
public DefaultComboBoxModel(Object[] items)
Constructs a DefaultComboBoxModel object initialized with an array of objects.
Parameters:
items - an array of Object objects
DefaultComboBoxModel
public DefaultComboBoxModel(Vector<?> v)
Constructs a DefaultComboBoxModel object initialized with a vector.
Parameters:
v - a Vector object ...
| Method Detail |
|---|
setSelectedItem
public void setSelectedItem(Object anObject)
Set the value of the selected item. The selected item may be null.
Specified by:
[setSelectedItem](../../javax/swing/ComboBoxModel.html#setSelectedItem%28java.lang.Object%29) in interface [ComboBoxModel](../../javax/swing/ComboBoxModel.html "interface in javax.swing")
Parameters:
anObject - The combo box value or null for no selection.
getSelectedItem
public Object getSelectedItem()
Description copied from interface: [ComboBoxModel](../../javax/swing/ComboBoxModel.html#getSelectedItem%28%29)
Returns the selected item
Specified by:
[getSelectedItem](../../javax/swing/ComboBoxModel.html#getSelectedItem%28%29) in interface [ComboBoxModel](../../javax/swing/ComboBoxModel.html "interface in javax.swing")
Returns:
The selected item or null if there is no selection
getSize
public int getSize()
Description copied from interface: [ListModel](../../javax/swing/ListModel.html#getSize%28%29)
Returns the length of the list.
Specified by:
[getSize](../../javax/swing/ListModel.html#getSize%28%29) in interface [ListModel](../../javax/swing/ListModel.html "interface in javax.swing")
Returns:
the length of the list
getElementAt
public Object getElementAt(int index)
Description copied from interface: [ListModel](../../javax/swing/ListModel.html#getElementAt%28int%29)
Returns the value at the specified index.
Specified by:
[getElementAt](../../javax/swing/ListModel.html#getElementAt%28int%29) in interface [ListModel](../../javax/swing/ListModel.html "interface in javax.swing")
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(Object anObject)
Description copied from interface: [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html#addElement%28java.lang.Object%29)
Adds an item at the end of the model. The implementation of this method should notify all registered ListDataListeners that the item has been added.
Specified by:
[addElement](../../javax/swing/MutableComboBoxModel.html#addElement%28java.lang.Object%29) in interface [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html "interface in javax.swing")
Parameters:
anObject - the Object to be added
insertElementAt
public void insertElementAt(Object anObject, int index)
Description copied from interface: [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html#insertElementAt%28java.lang.Object, int%29)
Adds an item at a specific index. The implementation of this method should notify all registered ListDataListeners that the item has been added.
Specified by:
[insertElementAt](../../javax/swing/MutableComboBoxModel.html#insertElementAt%28java.lang.Object, int%29) in interface [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html "interface in javax.swing")
Parameters:
anObject - the Object to be added
index - location to add the object
removeElementAt
public void removeElementAt(int index)
Description copied from interface: [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html#removeElementAt%28int%29)
Removes an item at a specific index. The implementation of this method should notify all registered ListDataListeners that the item has been removed.
Specified by:
[removeElementAt](../../javax/swing/MutableComboBoxModel.html#removeElementAt%28int%29) in interface [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html "interface in javax.swing")
Parameters:
index - location of object to be removed
removeElement
public void removeElement(Object anObject)
Description copied from interface: [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html#removeElement%28java.lang.Object%29)
Removes an item from the model. The implementation of this method should should notify all registered ListDataListeners that the item has been removed.
Specified by:
[removeElement](../../javax/swing/MutableComboBoxModel.html#removeElement%28java.lang.Object%29) in interface [MutableComboBoxModel](../../javax/swing/MutableComboBoxModel.html "interface in javax.swing")
Parameters:
anObject - the Object to be removed
removeAllElements
public void removeAllElements()
Empties the list.
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