de.must.wuic

Class ChoiceManager

java.lang.Object

de.must.wuic.ChoiceManager

All Implemented Interfaces:

java.awt.event.KeyListener, java.lang.Runnable, java.util.EventListener

Direct Known Subclasses:

ChoiceManagerByDataObject, ChoiceManagerByPreparedStatements

public abstract class ChoiceManager
extends java.lang.Object
implements java.awt.event.KeyListener, java.lang.Runnable

Choice Manager. Builds a list of valid input choice and transfers selected data into the input field.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	choiceLimit

Constructor Summary

Constructors

Constructor and Description
ChoiceManager(MustTextField textField) Constructs a new choice manager.
ChoiceManager(MustTextField textField, Callback callback) Constructs a new choice manager.
ChoiceManager(MustTextField textField, int minLengthForSearch, int choiceLimit, Callback callback) Constructs a new choice manager.

Method Summary

Modifier and Type	Method and Description
protected abstract java.util.Vector<java.lang.String>	getChoice(java.lang.String fragment)
int	getMinLengthForSearch()
protected boolean	isStillRelevant()
void	keyPressed(java.awt.event.KeyEvent e)
void	keyReleased(java.awt.event.KeyEvent e)
void	keyTyped(java.awt.event.KeyEvent e)
void	run()
static void	setActive(boolean active)
void	setMinLengthForSearch(int minLengthForSearch)
void	setOwner(java.awt.Window owner)

Methods inherited from class java.lang.Object

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

Field Detail

choiceLimit

protected int choiceLimit

Constructor Detail

ChoiceManager

public ChoiceManager(MustTextField textField)

Constructs a new choice manager.

Parameters:

textField - the text field whose input is to be completed.

ChoiceManager

public ChoiceManager(MustTextField textField,
                     Callback callback)

Constructs a new choice manager.

Parameters:

textField - the text field whose input is to be completed.

callback - the callback after user has chosen

ChoiceManager

public ChoiceManager(MustTextField textField,
                     int minLengthForSearch,
                     int choiceLimit,
                     Callback callback)

Constructs a new choice manager.

Parameters:

textField - the text field whose input is to be completed.

minLengthForSearch - the minimum length of user input to start a search for possible choices

choiceLimit - the maximum of choices to list - if more items exist there will be no choice list

Method Detail

setActive

public static void setActive(boolean active)

getMinLengthForSearch

public int getMinLengthForSearch()

setOwner

public void setOwner(java.awt.Window owner)

setMinLengthForSearch

public void setMinLengthForSearch(int minLengthForSearch)

keyTyped

public void keyTyped(java.awt.event.KeyEvent e)

Specified by:

keyTyped in interface java.awt.event.KeyListener

keyPressed

public void keyPressed(java.awt.event.KeyEvent e)

Specified by:

keyPressed in interface java.awt.event.KeyListener

keyReleased

public void keyReleased(java.awt.event.KeyEvent e)

Specified by:

keyReleased in interface java.awt.event.KeyListener

run

public void run()

Specified by:

run in interface java.lang.Runnable

getChoice

protected abstract java.util.Vector<java.lang.String> getChoice(java.lang.String fragment)

isStillRelevant

protected boolean isStillRelevant()