com.vaadin.client
Class JavaScriptExtension

java.lang.Object
  com.vaadin.client.ui.AbstractConnector
      com.vaadin.client.extensions.AbstractExtensionConnector
          com.vaadin.client.JavaScriptExtension

All Implemented Interfaces:

com.google.gwt.event.shared.EventHandler, HasJavaScriptConnectorHelper, StateChangeEvent.StateChangeHandler, ServerConnector, com.vaadin.shared.Connector, java.io.Serializable

public final class JavaScriptExtension
extends AbstractExtensionConnector
implements HasJavaScriptConnectorHelper

See Also:

Serialized Form

Constructor Summary

JavaScriptExtension()

Method Summary

protected void	extend(ServerConnector target) Called when the extension is attached to its parent.
JavaScriptConnectorHelper	getJavascriptConnectorHelper()
com.vaadin.shared.JavaScriptExtensionState	getState() Returns the shared state object for this connector.
protected void	init() Called when the connector has been initialized.
void	onUnregister() Event called when connector has been unregistered.

Methods inherited from class com.vaadin.client.extensions.AbstractExtensionConnector

setParent

Methods inherited from class com.vaadin.client.ui.AbstractConnector

addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, hasEventListener, isEnabled, onStateChanged, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, unregisterRpc, updateEnabledState

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaScriptExtension

public JavaScriptExtension()

Method Detail

init

protected void init()

Description copied from class: AbstractConnector

Called when the connector has been initialized. Override this method to perform initialization of the connector.

Overrides:

init in class AbstractConnector

getJavascriptConnectorHelper

public JavaScriptConnectorHelper getJavascriptConnectorHelper()

Specified by:

getJavascriptConnectorHelper in interface HasJavaScriptConnectorHelper

getState

public com.vaadin.shared.JavaScriptExtensionState getState()

Description copied from class: AbstractConnector

Returns the shared state object for this connector. Override this method to define the shared state type for your connector.

Specified by:

getState in interface ServerConnector

Overrides:

getState in class AbstractConnector

Returns:

the current shared state (never null)

onUnregister

public void onUnregister()

Description copied from interface: ServerConnector

Event called when connector has been unregistered.

Specified by:

onUnregister in interface ServerConnector

Overrides:

onUnregister in class AbstractConnector

extend

protected void extend(ServerConnector target)

Description copied from class: AbstractExtensionConnector

Called when the extension is attached to its parent. This method is only called once as an extension cannot be moved from one parent to another.

Specified by:

extend in class AbstractExtensionConnector

Parameters:

target - The connector this extension extends