Class WDoubleValidator
public class WDoubleValidator extends WValidator
This validator checks whether user input is a double in the pre-defined range.
i18n
The strings used in this class can be translated by overriding the default values for the following localization keys: Wt.WDoubleValidator.NotANumber: Must be a number Wt.WDoubleValidator.TooSmall: The number must be larger than {1} Wt.WDoubleValidator.BadRange: The number must be in the range {1} to {2} Wt.WDoubleValidator.TooLarge: The number must be smaller than {1}
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Nested Class Summary
Nested classes/interfaces inherited from class eu.webtoolkit.jwt.WValidator
WValidator.Result, WValidator.State
Nested classes/interfaces inherited from class eu.webtoolkit.jwt.WObject
WObject.FormData
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Constructor Summary
Constructors Constructor Description WDoubleValidator()
Creates a new double validator that accepts any double.WDoubleValidator(double bottom, double top)
Creates a new double validator that accepts double within the given range.WDoubleValidator(double bottom, double top, WObject parent)
Creates a new double validator that accepts double within the given range.WDoubleValidator(WObject parent)
Creates a new double validator that accepts any double. -
Method Summary
Modifier and Type Method Description double
getBottom()
Returns the bottom of the valid double range.WString
getInvalidNotANumberText()
Returns the message displayed when the input is not a number.WString
getInvalidTooLargeText()
Returns the message displayed when the number is too large.WString
getInvalidTooSmallText()
Returns the message displayed when the number is too small.java.lang.String
getJavaScriptValidate()
Creates a Javascript object that validates the input.double
getTop()
Returns the top of the valid double range.boolean
isIgnoreTrailingSpaces()
Indicates whether the validator should ignore the trailing spaces.void
setBottom(double bottom)
Sets the bottom of the valid double range.void
setIgnoreTrailingSpaces(boolean b)
If true the validator will ignore trailing spaces.void
setInvalidNotANumberText(java.lang.CharSequence text)
Sets the message to display when the input is not a number.void
setInvalidTooLargeText(java.lang.CharSequence text)
Sets the message to display when the number is too large.void
setInvalidTooSmallText(java.lang.CharSequence text)
Sets the message to display when the number is too small.void
setRange(double bottom, double top)
Sets the range of valid doubles.void
setTop(double top)
Sets the top of the valid double range.WValidator.Result
validate(java.lang.String input)
Validates the given input.Methods inherited from class eu.webtoolkit.jwt.WValidator
getFormat, getInputFilter, getInvalidBlankText, isMandatory, setInvalidBlankText, setMandatory
Methods inherited from class eu.webtoolkit.jwt.WObject
addChild, getId, getObjectName, remove, setFormData, setObjectName, tr
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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WDoubleValidator
Creates a new double validator that accepts any double.The validator will accept numbers using the current locale's format.
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WDoubleValidator
public WDoubleValidator()Creates a new double validator that accepts any double.Calls
this((WObject)null)
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WDoubleValidator
Creates a new double validator that accepts double within the given range.The validator will accept numbers using the current locale's format.
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WDoubleValidator
public WDoubleValidator(double bottom, double top)Creates a new double validator that accepts double within the given range.
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Method Details
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getBottom
public double getBottom()Returns the bottom of the valid double range. -
setBottom
public void setBottom(double bottom)Sets the bottom of the valid double range.The default value is the minimum double value.
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getTop
public double getTop()Returns the top of the valid double range. -
setTop
public void setTop(double top)Sets the top of the valid double range.The default value is the maximum double value.
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setRange
public void setRange(double bottom, double top)Sets the range of valid doubles. -
validate
Validates the given input.The input is considered valid only when it is blank for a non-mandatory field, or represents a double within the valid range.
- Overrides:
validate
in classWValidator
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setInvalidNotANumberText
public void setInvalidNotANumberText(java.lang.CharSequence text)Sets the message to display when the input is not a number.The default value is "Must be a number."
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getInvalidNotANumberText
Returns the message displayed when the input is not a number. -
setInvalidTooSmallText
public void setInvalidTooSmallText(java.lang.CharSequence text)Sets the message to display when the number is too small.Depending on whether
getBottom()
andgetTop()
are real bounds, the default message is "The number must be between {1} and {2}" or "The number must be larger than {1}". -
getInvalidTooSmallText
Returns the message displayed when the number is too small. -
setInvalidTooLargeText
public void setInvalidTooLargeText(java.lang.CharSequence text)Sets the message to display when the number is too large.Depending on whether
getBottom()
andgetTop()
are real bounds, the default message is "The number must be between {1} and {2}" or "The number must be smaller than {2}". -
getInvalidTooLargeText
Returns the message displayed when the number is too large. -
setIgnoreTrailingSpaces
public void setIgnoreTrailingSpaces(boolean b)If true the validator will ignore trailing spaces.- See Also:
isIgnoreTrailingSpaces()
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isIgnoreTrailingSpaces
public boolean isIgnoreTrailingSpaces()Indicates whether the validator should ignore the trailing spaces.- See Also:
setIgnoreTrailingSpaces(boolean b)
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getJavaScriptValidate
public java.lang.String getJavaScriptValidate()Description copied from class:WValidator
Creates a Javascript object that validates the input.The JavaScript expression should evaluate to an object which contains a
validate(text)
function, which returns an object that contains the following two fields:- fields: a boolean valid,
- a
message
that indicates the problem if not valid.
Returns an empty string if the validator does not provide a client-side validation implementationq.
Note: The signature and contract changed changed in JWt 3.1.9.
- Overrides:
getJavaScriptValidate
in classWValidator
- See Also:
WValidator.getInputFilter()
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