org.eclipse.nebula.widgets.formattedtext

Class DoubleFormatter

java.lang.Object

org.eclipse.nebula.widgets.formattedtext.AbstractFormatter

org.eclipse.nebula.widgets.formattedtext.NumberFormatter

org.eclipse.nebula.widgets.formattedtext.DoubleFormatter

All Implemented Interfaces:

java.util.EventListener, ITextFormatter, org.eclipse.swt.events.VerifyListener, org.eclipse.swt.internal.SWTEventListener

public class DoubleFormatter
extends NumberFormatter

This class provides formatting of Double values in a FormattedText.

NumberFormatter returns different numeric types based on the current value in the Text field. DoubleFormatter is an override of NumberFormatter allowing to guaranty to always return Double values (Number.doubleValue()).

Field Summary

Fields inherited from class org.eclipse.nebula.widgets.formattedtext.NumberFormatter

alwaysShowDec, cachedPatterns, decimalLen, editPattern, editValue, fixedDec, fixedInt, groupLen, intCount, intLen, locale, minus, modified, nbspSeparator, negative, nfDisplay, nfEdit, prefixLen, suffixLen, symbols, value, zeroDecimalLen, zeroIntLen

Fields inherited from class org.eclipse.nebula.widgets.formattedtext.AbstractFormatter

EMPTY, ignore, SPACE, text

Constructor Summary

Constructors

Constructor and Description
DoubleFormatter()
DoubleFormatter(java.util.Locale loc)
DoubleFormatter(java.lang.String editPattern)
DoubleFormatter(java.lang.String editPattern, java.util.Locale loc)
DoubleFormatter(java.lang.String editPattern, java.lang.String displayPattern)
DoubleFormatter(java.lang.String editPattern, java.lang.String displayPattern, java.util.Locale loc)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getValue() Returns the current value of the text control if it is a valid Double.
java.lang.Class<java.lang.Double>	getValueType() Returns the type of value this ITextFormatter handles, i.e.

Methods inherited from class org.eclipse.nebula.widgets.formattedtext.NumberFormatter

clearText, format, getDefaultPattern, getDisplayString, getEditString, isEmpty, isValid, setDecimalSeparatorAlwaysShown, setFixedLengths, setPatterns, setPrefix, setSuffix, setValue, verifyText

Methods inherited from class org.eclipse.nebula.widgets.formattedtext.AbstractFormatter

beep, detach, setIgnore, setText, updateText, updateText

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleFormatter

public DoubleFormatter()

DoubleFormatter

public DoubleFormatter(java.util.Locale loc)

DoubleFormatter

public DoubleFormatter(java.lang.String editPattern,
                       java.util.Locale loc)

DoubleFormatter

public DoubleFormatter(java.lang.String editPattern,
                       java.lang.String displayPattern,
                       java.util.Locale loc)

DoubleFormatter

public DoubleFormatter(java.lang.String editPattern,
                       java.lang.String displayPattern)

DoubleFormatter

public DoubleFormatter(java.lang.String editPattern)

Method Detail

getValue

public java.lang.Object getValue()

Returns the current value of the text control if it is a valid Double. If the buffer is flagged as modified, the value is recalculated by parsing with the nfEdit initialized with the edit pattern. If the number is not valid, returns null.

Specified by:

getValue in interface ITextFormatter

Overrides:

getValue in class NumberFormatter

Returns:

current number value if valid, null else

See Also:

ITextFormatter.getValue()

getValueType

public java.lang.Class<java.lang.Double> getValueType()

Returns the type of value this ITextFormatter handles, i.e. returns in getValue().
A DoubleFormatter always returns a Double value.

Specified by:

getValueType in interface ITextFormatter

Overrides:

getValueType in class NumberFormatter

Returns:

The value type.