com.databasesandlife.util.wicket

Class EmptyListIsSpecialWrapperModel<T>

java.lang.Object

com.databasesandlife.util.wicket.EmptyListIsSpecialWrapperModel<T>

All Implemented Interfaces:

Serializable, org.apache.wicket.model.IDetachable, org.apache.wicket.model.IModel<List<T>>, org.apache.wicket.util.io.IClusterable

public class EmptyListIsSpecialWrapperModel<T>
extends Object
implements org.apache.wicket.model.IModel<List<T>>

Wraps an underlying model, but sets a pre-defined list in the case the user doesn't enter anything.

If the user enters greater than zero options, they are passed to the wrapped model. Otherwise, if the user doesn't enter any options, some "default" list is set in the wrapped model. The "default" list may be null.

Author:

This source is copyright Adrian Smith and licensed under the LGPL 3.

See Also:

Project on GitHub, Serialized Form

Constructor Summary

Constructors

Constructor and Description
EmptyListIsSpecialWrapperModel(List<T> e, org.apache.wicket.model.IModel<List<T>> m)

Method Summary

Modifier and Type	Method and Description
void	detach()
List<T>	getObject() Returns data to user i.e.
void	setObject(List<T> userData)

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyListIsSpecialWrapperModel

public EmptyListIsSpecialWrapperModel(List<T> e,
                                      org.apache.wicket.model.IModel<List<T>> m)

Parameters:

e - which values to be saved in the underlying model, in the case the user doesn't enter anything

Method Detail

detach

public void detach()

Specified by:

detach in interface org.apache.wicket.model.IDetachable

setObject

public void setObject(List<T> userData)

Specified by:

setObject in interface org.apache.wicket.model.IModel<List<T>>

getObject

public List<T> getObject()

Returns data to user i.e. show the user empty list, if model = empty values

Specified by:

getObject in interface org.apache.wicket.model.IModel<List<T>>