Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface ListModel - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
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javax.swing
Interface ListModel

All Known Subinterfaces:: ComboBoxModel, MutableComboBoxModel

All Known Implementing Classes:: AbstractListModel

public interface ListModel

This interface defines the methods components like JList use to get the value of each cell in a list and the length of the list. Logically the model is a vector, indices vary from 0 to ListDataModel.getSize() - 1. Any change to the contents or length of the data model must be reported to all of the ListDataListeners.

See Also:: JList

Method Summary

void addListDataListener(ListDataListener l)
          Add a listener to the list that's notified each time a change to the data model occurs.

Object getElementAt(int index)
          Returns the value at the specified index.

int getSize()
          Returns the length of the list.

void removeListDataListener(ListDataListener l)
          Remove a listener from the list that's notified each time a change to the data model occurs.

Method Detail

getSize

public int getSize()

Returns the length of the list.

getElementAt

public Object getElementAt(int index)

Returns the value at the specified index.

addListDataListener

public void addListDataListener(ListDataListener l)

Add a listener to the list that's notified each time a change to the data model occurs.

Parameters:: l - the ListDataListener

removeListDataListener

public void removeListDataListener(ListDataListener l)

Remove a listener from the list that's notified each time a change to the data model occurs.

Parameters:: l - the ListDataListener