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com.vaadin.client.extensions.
Class AbstractEventTriggerExtensionConnector
- 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.extensions.AbstractEventTriggerExtensionConnector
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All Implemented Interfaces:
com.google.gwt.event.shared.EventHandler,StateChangeEvent.StateChangeHandler,ServerConnector,Connector,SerializableDirect Known Subclasses:
public abstract class AbstractEventTriggerExtensionConnector extends AbstractExtensionConnectorAn abstract extension connector with trigger support. Implementor's
trigger()method call may be initiated by anotherComponentwithout server round-trip. The class is used to overcome browser security limitations. For instance, window may not be open with the round-trip.Since:
8.4
Author:
Vaadin Ltd.
See Also:
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Constructor Summary
Constructors Constructor Description AbstractEventTriggerExtensionConnector()
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Method Summary
All Methods Modifier and Type Method Description protected voidextend(ServerConnector target)Called when the extension is attached to its parent.
PartInformationStategetState()Returns the shared state object for this connector.
voidonUnregister()Event called when connector has been unregistered.
protected abstract voidtrigger()Called whenever a click occurs on the widget (if widget does not implement
EventTrigger) or when theEventTriggerfires.-
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, init, isEnabled, onStateChanged, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setTag, unregisterRpc, updateEnabledState
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Method Detail
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trigger
protected abstract void trigger()Called whenever a click occurs on the widget (if widget does not implement
EventTrigger) or when theEventTriggerfires.
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getState
public PartInformationState getState()Description copied from class:
AbstractConnectorReturns the shared state object for this connector. Override this method to define the shared state type for your connector.
Specified by:
getStatein interfaceServerConnectorOverrides:
getStatein classAbstractConnectorReturns:
the current shared state (never null)
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extend
protected void extend(ServerConnector target)Description copied from class:
AbstractExtensionConnectorCalled 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:
extendin classAbstractExtensionConnectorParameters:
target- The connector this extension extends
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onUnregister
public void onUnregister()Description copied from interface:
ServerConnectorEvent called when connector has been unregistered.
Specified by:
onUnregisterin interfaceServerConnectorOverrides:
onUnregisterin classAbstractConnector
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