Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface JComboBox.KeySelectionManager - 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 JComboBox.KeySelectionManager

Enclosing class:: JComboBox

public static interface JComboBox.KeySelectionManager

The interface that defines a KeySelectionManager. To qualify as a KeySelectionManager, the class needs to implement the method that identifies the list index given a character and the combo box data model.

Method Summary

int selectionForKey(char aKey, ComboBoxModel aModel)
Given aKey and the model, returns the row that should become selected.

Method Detail

selectionForKey

public int selectionForKey(char aKey,
                           ComboBoxModel aModel)

Given aKey and the model, returns the row that should become selected. Return -1 if no match was found.

Parameters:: aKey - a char value, usually indicating a keyboard key that was pressed; aModel - a ComboBoxModel -- the component's data model, containing the list of selectable items
Returns:: an int equal to the selected row, where 0 is the first item and -1 is none.