gwt.material.design.client.base.error

Class DefaultErrorHandler

java.lang.Object

gwt.material.design.client.base.error.DefaultErrorHandler

All Implemented Interfaces:

ErrorHandler

public class DefaultErrorHandler
extends Object
implements ErrorHandler

This is the default ErrorHandler implementation. If there is a MaterialHelpBlock that is a child then error messages will be displayed in the MaterialHelpBlock.

Example:

 <m:MaterialRow>
     <m:TextBox m:id="username" ui:field="username" />
     <m:MaterialHelpBlock iconType="EXCLAMATION" />
 </m:MaterialRow>
 

Author:

Steven Jardine, Ben Dol

Constructor Summary

Constructors

Constructor and Description
DefaultErrorHandler(com.google.gwt.user.client.ui.Widget widget) Default error handler.

Method Summary

Modifier and Type	Method and Description
void	cleanup() Clean up the handler if necessary.
void	clearErrors() Clear any errors.
protected MaterialHelpBlock	findHelpBlock(com.google.gwt.user.client.ui.Widget widget) Find the sibling MaterialHelpBlock.
void	init() Initialize the instance.
void	showErrors(List<com.google.gwt.editor.client.EditorError> errors) Show the errors on the input screen.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultErrorHandler

public DefaultErrorHandler(com.google.gwt.user.client.ui.Widget widget)

Default error handler.

Parameters:

widget - the parent of this error handler.

Method Detail

cleanup

public void cleanup()

Description copied from interface: ErrorHandler

Clean up the handler if necessary.

Specified by:

cleanup in interface ErrorHandler

clearErrors

public void clearErrors()

Description copied from interface: ErrorHandler

Clear any errors.

Specified by:

clearErrors in interface ErrorHandler

findHelpBlock

protected MaterialHelpBlock findHelpBlock(com.google.gwt.user.client.ui.Widget widget)

Find the sibling MaterialHelpBlock.

Parameters:

widget - the Widget to search.

Returns:

the found MaterialHelpBlock of null if not found.

init

public void init()

Initialize the instance.

showErrors

public void showErrors(List<com.google.gwt.editor.client.EditorError> errors)

Description copied from interface: ErrorHandler

Show the errors on the input screen.

Specified by:

showErrors in interface ErrorHandler

Parameters:

errors - the errors to display.