Module org.tentackle.fx

Package org.tentackle.fx.translate

Class FractionNumberStringTranslator<M extends Number>

java.lang.Object

org.tentackle.fx.translate.AbstractValueTranslator<M,String>

org.tentackle.fx.translate.ValueStringTranslator<M>

org.tentackle.fx.translate.NumberStringTranslator<M>

org.tentackle.fx.translate.FractionNumberStringTranslator<M>

Type Parameters:

M - the model's number type

All Implemented Interfaces:

ValueTranslator<M,String>

Direct Known Subclasses:

BMoneyStringTranslator, DoubleStringTranslator, FloatStringTranslator

public abstract class FractionNumberStringTranslator<M extends Number>
extends NumberStringTranslator<M>

Abstract base class for fraction number translators.

Author:

harald

Constructor Summary

Constructors

Constructor	Description
FractionNumberStringTranslator(FxTextComponent component)	Creates a fraction number translator.

Method Summary

Modifier and Type	Method	Description
String	getValidChars()	Gets the valid input characters.
boolean	needsToModelTwice()	Returns whether toModel must be invoked twice. An example is a DoubleStringTranslator: let fraction number input be 1.211111 and formatting scale 2.

Methods inherited from class org.tentackle.fx.translate.NumberStringTranslator

getDefaultPattern, getFormat, parse

Methods inherited from class org.tentackle.fx.translate.ValueStringTranslator

getComponent, toModel

Methods inherited from class org.tentackle.fx.translate.AbstractValueTranslator

isLenient, isMappingIncomplete, isModelModified, saveModelValue, setLenient

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.tentackle.fx.ValueTranslator

bindingPropertiesUpdated, toModelFunction, toView, toViewFunction

Constructor Details

FractionNumberStringTranslator

public FractionNumberStringTranslator(FxTextComponent component)

Creates a fraction number translator.

Parameters:

component - the text component

Method Details

needsToModelTwice

public boolean needsToModelTwice()

Description copied from interface: ValueTranslator

Returns whether toModel must be invoked twice.
An example is a DoubleStringTranslator:
let fraction number input be 1.211111 and formatting scale 2.

• after first updateModel the model contains 1.211111
• after formatting and updateView, the view contains 1.21 but the model still contains 1.211111
• after second updateModel the model contains the correct value 1.21

Returns:

true to force a second translation roundtrip

getValidChars

public String getValidChars()

Description copied from class: ValueStringTranslator

Gets the valid input characters.

Overrides:

getValidChars in class NumberStringTranslator<M extends Number>

Returns:

the valid input chars, null if unlimited