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

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javax.swing
Interface SingleSelectionModel

All Known Implementing Classes:: DefaultSingleSelectionModel

public interface SingleSelectionModel

A model that supports at most one indexed selection.

Method Summary

void addChangeListener(ChangeListener listener)
          Adds listener as a listener to changes in the model.

void clearSelection()
          Clears the selection (to -1).

int getSelectedIndex()
          Returns the model's selection.

boolean isSelected()
          Returns true if the selection model currently has a selected value.

void removeChangeListener(ChangeListener listener)
          Removes listener as a listener to changes in the model.

void setSelectedIndex(int index)
          Sets the model's selected index to index.

Method Detail

getSelectedIndex

public int getSelectedIndex()

Returns the model's selection.

Returns:: the model's selection, or -1 if there is no selection
See Also:: setSelectedIndex(int)

setSelectedIndex

public void setSelectedIndex(int index)

Sets the model's selected index to index. Notifies any listeners if the model changes

Parameters:: an - int specifying the model selection
See Also:: getSelectedIndex(), addChangeListener(javax.swing.event.ChangeListener)

clearSelection

public void clearSelection()

Clears the selection (to -1).

isSelected

public boolean isSelected()

Returns true if the selection model currently has a selected value.

Returns:: true if a value is currently selected

addChangeListener

public void addChangeListener(ChangeListener listener)

Adds listener as a listener to changes in the model.

Parameters:: l - the ChangeListener to add

removeChangeListener

public void removeChangeListener(ChangeListener listener)

Removes listener as a listener to changes in the model.

Parameters:: l - the ChangeListener to remove