Package de.knightsoftnet.mtwidgets.client.ui.handler

Class AbstractFilterAndReplaceKeyPressHandler

java.lang.Object

de.knightsoftnet.mtwidgets.client.ui.handler.AbstractFilterAndReplaceKeyPressHandler

All Implemented Interfaces:

com.google.gwt.event.dom.client.KeyPressHandler, com.google.gwt.event.shared.EventHandler

Direct Known Subclasses:

NumericAndUpperAsciiKeyPressHandler, SimpleFilterAndReplaceKeyPressHandler, UpperAsciiKeyPressHandler

public abstract class AbstractFilterAndReplaceKeyPressHandler
extends Object
implements com.google.gwt.event.dom.client.KeyPressHandler

Abstract key press handler which limits input to allowed characters and replaces characters by other.

Author:

Manfred Tremmel

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractFilterAndReplaceKeyPressHandler(boolean allowCopyAndPast)	constructor.

Method Summary

Modifier and Type	Method	Description
abstract boolean	isAllowedCharacter(char character)	check if character is allowed to type in unchanged.
abstract boolean	isCharacterToReplace(char character)	check if character is one which has to be replaced.
void	onKeyPress(com.google.gwt.event.dom.client.KeyPressEvent event)
abstract char	replaceCharacter(char character)	replace character by another.

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractFilterAndReplaceKeyPressHandler

protected AbstractFilterAndReplaceKeyPressHandler(boolean allowCopyAndPast)

constructor.

Parameters:

allowCopyAndPast - is copy and paste allowed?

Method Details

onKeyPress

public void onKeyPress(com.google.gwt.event.dom.client.KeyPressEvent event)

Specified by:

onKeyPress in interface com.google.gwt.event.dom.client.KeyPressHandler

isAllowedCharacter

public abstract boolean isAllowedCharacter(char character)

check if character is allowed to type in unchanged.

Parameters:

character - character to check

Returns:

true if it's allowed

isCharacterToReplace

public abstract boolean isCharacterToReplace(char character)

check if character is one which has to be replaced.

Parameters:

character - character to check

Returns:

true if character has to be replaced

replaceCharacter

public abstract char replaceCharacter(char character)

replace character by another.

Parameters:

character - character to replace

Returns:

replaced character