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javax.swing
Interface ListModel

All Known Subinterfaces:
ComboBoxModel, MutableComboBoxModel
All Known Implementing Classes:
AbstractListModel, BasicDirectoryModel, DefaultComboBoxModel, DefaultListModel, MetalFileChooserUI.DirectoryComboBoxModel, MetalFileChooserUI.FilterComboBoxModel

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

Method Detail

getSize

int getSize()
Returns the length of the list.

Returns:
the length of the list

getElementAt

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

Parameters:
index - the requested index
Returns:
the value at index

addListDataListener

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

Parameters:
l - the ListDataListener to be added

removeListDataListener

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

Parameters:
l - the ListDataListener to be removed

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