Package de.lessvoid.nifty.controls.textfield.filter.input

Class FilterAcceptNegativeDigits

java.lang.Object

de.lessvoid.nifty.controls.textfield.filter.input.FilterAcceptNegativeDigits

All Implemented Interfaces:

TextFieldInputCharFilter

public class FilterAcceptNegativeDigits
extends java.lang.Object
implements TextFieldInputCharFilter

This filter only accepts numeric input and the "-" character. So the only content the text input allows is a signed integer value.

Author:

Martin Karing <nitram@illarion.org>

Constructor Summary

Constructors

Constructor	Description
FilterAcceptNegativeDigits()	The default constructor needed to fetch the locale dependant values.

Method Summary

Modifier and Type	Method	Description
boolean	acceptInput(int index, char newChar)	Check if the input of a new character is acceptable.

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterAcceptNegativeDigits

public FilterAcceptNegativeDigits()

The default constructor needed to fetch the locale dependant values.

Method Detail

acceptInput

public boolean acceptInput(int index,
                           char newChar)

Description copied from interface: TextFieldInputCharFilter

Check if the input of a new character is acceptable.

Specified by:

acceptInput in interface TextFieldInputCharFilter

Parameters:

index - the position within the text where the character is added

newChar - the character that is now about to be added to the text

Returns:

true in case adding the character is allowed