com.vaadin.client.
Class JavaScriptExtension
- java.lang.Object
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- com.vaadin.client.ui.AbstractConnector
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- com.vaadin.client.extensions.AbstractExtensionConnector
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- com.vaadin.client.JavaScriptExtension
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All Implemented Interfaces:
com.google.gwt.event.shared.EventHandler
,HasJavaScriptConnectorHelper
,StateChangeEvent.StateChangeHandler
,ServerConnector
,Connector
,Serializable
public final class JavaScriptExtension extends AbstractExtensionConnector implements HasJavaScriptConnectorHelper
See Also:
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Constructor Summary
Constructors Constructor Description JavaScriptExtension()
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Method Summary
All Methods Modifier and Type Method Description protected void
extend(ServerConnector target)
Called when the extension is attached to its parent.
JavaScriptConnectorHelper
getJavascriptConnectorHelper()
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.
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Methods inherited from class com.vaadin.client.extensions.AbstractExtensionConnector
setParent
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Methods inherited from class com.vaadin.client.ui.AbstractConnector
addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, getTag, hasEventListener, isEnabled, onStateChanged, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setTag, unregisterRpc, updateEnabledState
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Method Detail
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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 classAbstractConnector
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getJavascriptConnectorHelper
public JavaScriptConnectorHelper getJavascriptConnectorHelper()
Specified by:
getJavascriptConnectorHelper
in interfaceHasJavaScriptConnectorHelper
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getState
public 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 interfaceServerConnector
Overrides:
getState
in classAbstractConnector
Returns:
the current shared state (never null)
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onUnregister
public void onUnregister()
Description copied from interface:
ServerConnector
Event called when connector has been unregistered.
Specified by:
onUnregister
in interfaceServerConnector
Overrides:
onUnregister
in classAbstractConnector
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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 classAbstractExtensionConnector
Parameters:
target
- The connector this extension extends
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