com.sencha.gxt.state.client

Class AbstractStateHandler<S,O>

java.lang.Object

com.sencha.gxt.state.client.AbstractStateHandler<S,O>

Type Parameters:

S - the state interface

O - the concrete type

Direct Known Subclasses:

ComponentStateHandler

public abstract class AbstractStateHandler<S,O>
extends Object

Simple class to add support for reading and writing state. Can be subclassed and a concrete type given to O (such as a Store or Component subclass), and a particular interface S can be defined to hold the state for this object.

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	applyState() Applies the currently loaded state to the current stateful object.
O	getObject()
S	getState()
void	loadState() Starts to load the state for the given object.
void	saveState() TODO fire a before event to allow it to be canceled? can this be deferred? fire an event when the save was successful?

Methods inherited from class java.lang.Object

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

Method Detail

applyState

public abstract void applyState()

Applies the currently loaded state to the current stateful object. TODO fire a state restored event? allow this method to be canceled?

getObject

public O getObject()

getState

public S getState()

Returns:

the currently loaded state. The state instance may not be set, so this may return null.

loadState

public void loadState()

Starts to load the state for the given object.

saveState

public void saveState()

TODO fire a before event to allow it to be canceled? can this be deferred? fire an event when the save was successful?