gwt.material.design.client.base.mixin

Class ValidatorMixin<W extends com.google.gwt.user.client.ui.Widget & com.google.gwt.user.client.ui.HasValue<V> & com.google.gwt.editor.client.Editor<V>,V>

java.lang.Object

gwt.material.design.client.base.mixin.ValidatorMixin<W,V>

Type Parameters:

W - the generic type

V - the value type

All Implemented Interfaces:

com.google.gwt.event.shared.HasHandlers, HasValidators<V>, ValidationChangedEvent.HasValidationChangedHandlers

public class ValidatorMixin<W extends com.google.gwt.user.client.ui.Widget & com.google.gwt.user.client.ui.HasValue<V> & com.google.gwt.editor.client.Editor<V>,V>
extends Object
implements HasValidators<V>

Default validator mixin. Contains all of the validation logic.

Author:

Steven Jardine

Field Summary

Fields

Modifier and Type	Field and Description
protected ErrorHandler	errorHandler
protected W	inputWidget
protected Set<ValidatorWrapper<V>>	validators

Constructor Summary

Constructors

Constructor and Description
ValidatorMixin(W inputWidget, ErrorHandler errorHandler) Instantiates a new abstract validator mixin.

Method Summary

Modifier and Type	Method and Description
com.google.gwt.event.shared.HandlerRegistration	addValidationChangedHandler(ValidationChangedEvent.ValidationChangedHandler handler) Adds a validation changed handler.
void	addValidator(Validator<V> validator) Adds the validator.
void	fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)
W	getInputWidget()
boolean	isValidateOnBlur() Gets the validate on blur.
boolean	removeValidator(Validator<V> validator) Removes the validator.
void	reset() Reset the form element to blank and clear error messages.
void	setErrorHandler(ErrorHandler errorHandler) Sets the error handler.
protected com.google.gwt.event.shared.HandlerRegistration	setupValueChangeValidation()
void	setValidateOnBlur(boolean vob) Sets the validate on blur.
void	setValidators(Validator<V>... newValidators) The validators used to validate this object.
boolean	validate() Validate the field's value using the supplied validators.
boolean	validate(boolean show) Validate the field's value using the supplied validators.

Methods inherited from class java.lang.Object

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

Field Detail

errorHandler

protected ErrorHandler errorHandler

inputWidget

protected W extends com.google.gwt.user.client.ui.Widget & com.google.gwt.user.client.ui.HasValue<V> & com.google.gwt.editor.client.Editor<V> inputWidget

validators

protected Set<ValidatorWrapper<V>> validators

Constructor Detail

ValidatorMixin

public ValidatorMixin(W inputWidget,
                      ErrorHandler errorHandler)

Instantiates a new abstract validator mixin.

Parameters:

inputWidget - the input widget

errorHandler - the error handler

Method Detail

setupValueChangeValidation

protected com.google.gwt.event.shared.HandlerRegistration setupValueChangeValidation()

addValidationChangedHandler

public com.google.gwt.event.shared.HandlerRegistration addValidationChangedHandler(ValidationChangedEvent.ValidationChangedHandler handler)

Description copied from interface: ValidationChangedEvent.HasValidationChangedHandlers

Adds a validation changed handler.

Specified by:

addValidationChangedHandler in interface ValidationChangedEvent.HasValidationChangedHandlers

Parameters:

handler - the handler

Returns:

the handler registration

addValidator

public void addValidator(Validator<V> validator)

Description copied from interface: HasValidators

Adds the validator.

Specified by:

addValidator in interface HasValidators<V>

Parameters:

validator - the validator

fireEvent

public void fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)

Specified by:

fireEvent in interface com.google.gwt.event.shared.HasHandlers

getInputWidget

public W getInputWidget()

Returns:

the inputWidget

isValidateOnBlur

public boolean isValidateOnBlur()

Description copied from interface: HasValidators

Gets the validate on blur.

Specified by:

isValidateOnBlur in interface HasValidators<V>

Returns:

the validate on blur

removeValidator

public boolean removeValidator(Validator<V> validator)

Description copied from interface: HasValidators

Removes the validator.

Specified by:

removeValidator in interface HasValidators<V>

Parameters:

validator - the validator

Returns:

true, if successful

reset

public void reset()

Description copied from interface: HasValidators

Reset the form element to blank and clear error messages.

Specified by:

reset in interface HasValidators<V>

setErrorHandler

public void setErrorHandler(ErrorHandler errorHandler)

Sets the error handler.

Parameters:

errorHandler - the new error handler

setValidateOnBlur

public void setValidateOnBlur(boolean vob)

Description copied from interface: HasValidators

Sets the validate on blur.

Specified by:

setValidateOnBlur in interface HasValidators<V>

Parameters:

vob - the new validate on blur

setValidators

public void setValidators(Validator<V>... newValidators)

Description copied from interface: HasValidators

The validators used to validate this object.

Specified by:

setValidators in interface HasValidators<V>

Parameters:

newValidators - the new validators

validate

public boolean validate()

Description copied from interface: HasValidators

Validate the field's value using the supplied validators.

Specified by:

validate in interface HasValidators<V>

Returns:

true, if valid

validate

public boolean validate(boolean show)

Validate the field's value using the supplied validators.

Specified by:

validate in interface HasValidators<V>

Parameters:

show - the error to the user.

Returns:

true, if valid