edu.northwestern.at.utils.swing
Class ComboBoxMultipleKeySelectionManager

java.lang.Object
  edu.northwestern.at.utils.swing.ComboBoxMultipleKeySelectionManager

All Implemented Interfaces:

javax.swing.JComboBox.KeySelectionManager

public class ComboBoxMultipleKeySelectionManager
extends java.lang.Object
implements javax.swing.JComboBox.KeySelectionManager

Combobox key selection manager which selects items using multiple characters.

Based upon an example in the Java Developer's Almanac 1.4 by Patrick Chan.

Field Summary

protected long	lastKeyTime Time at which last key was typed.
protected long	maximumKeyArrivalInterval Number of milliseconds under which a new keystroke is assumed to be appended to the previous to form a search string.
protected java.lang.String	pattern Accumulates key strokes that are typed less then "keyInterval" milliseconds apart.

Constructor Summary

ComboBoxMultipleKeySelectionManager()

Method Summary

int	selectionForKey(char aKey, javax.swing.ComboBoxModel model) Handle selection when a key arrives.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

lastKeyTime

protected long lastKeyTime

Time at which last key was typed.

pattern

protected java.lang.String pattern

Accumulates key strokes that are typed less then "keyInterval" milliseconds apart.

maximumKeyArrivalInterval

protected long maximumKeyArrivalInterval

Number of milliseconds under which a new keystroke is assumed to be appended to the previous to form a search string.

Constructor Detail

ComboBoxMultipleKeySelectionManager

public ComboBoxMultipleKeySelectionManager()

Method Detail

selectionForKey

public int selectionForKey(char aKey,
                           javax.swing.ComboBoxModel model)

Handle selection when a key arrives.

Specified by:

selectionForKey in interface javax.swing.JComboBox.KeySelectionManager

Parameters:

aKey - The typed key.

model - The ComboBoxModel.

Returns:

Index of matching entry, or -1 if none.