gwt.material.design.client.base.validator

Class GroupValidator

java.lang.Object

gwt.material.design.client.base.validator.GroupValidator

All Implemented Interfaces:

com.google.gwt.event.shared.HasHandlers, ValidationChangedEvent.HasValidationChangedHandlers

public class GroupValidator
extends Object
implements ValidationChangedEvent.HasValidationChangedHandlers

Useful for validating a group of fields that implement the HasValidators interface.

Author:

Steven Jardine

Constructor Summary

Constructors

Constructor and Description
GroupValidator() Constructor.

Method Summary

Modifier and Type	Method and Description
<T extends com.google.gwt.user.client.ui.Widget & HasValidators<?>> void	add(T field) Adds a field to the group.
com.google.web.bindery.event.shared.HandlerRegistration	addValidationChangedHandler(ValidationChangedEvent.ValidationChangedHandler handler) Adds a validation changed handler.
void	fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)
<T extends com.google.gwt.user.client.ui.Widget & HasValidators<?>> boolean	remove(T field) Removes a field from the validation group.
protected void	updateStateAndNotify() Update the state of the validator and notify via EventBus any changed handlers.
boolean	validate() Validate the group.
boolean	validate(boolean show) Validate the group.

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupValidator

public GroupValidator()

Constructor.

Method Detail

add

public <T extends com.google.gwt.user.client.ui.Widget & HasValidators<?>> void add(T field)

Adds a field to the group.

Type Parameters:

T - the generic type

Parameters:

field - the field

addValidationChangedHandler

public com.google.web.bindery.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

fireEvent

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

Specified by:

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

remove

public <T extends com.google.gwt.user.client.ui.Widget & HasValidators<?>> boolean remove(T field)

Removes a field from the validation group.

Type Parameters:

T - the generic type

Parameters:

field - the field

Returns:

true, if successful

updateStateAndNotify

protected void updateStateAndNotify()

Update the state of the validator and notify via EventBus any changed handlers.

validate

public boolean validate()

Validate the group. This calls #validate(Editor, Object) on each field in the group.

Returns:

true, if successful

validate

public boolean validate(boolean show)

Validate the group. This calls #validate(Editor, Object) on each field in the group.

Parameters:

show - do we want to show the user the result of the validate via ui marks?

Returns:

true, if successful