org.eclipse.ocl.xtext.base.ui.commands

Class ValidateHandler

java.lang.Object

org.eclipse.ocl.xtext.base.ui.commands.ValidateHandler

public final class ValidateHandler
extends Object

This class adapts instances of IAction to IHandler.

Based on ActionHandler,AbstractHandler,EventManager

Constructor Summary

Constructors

Constructor and Description
ValidateHandler() Creates a new instance of this class given an instance of IAction.

Method Summary

Modifier and Type	Method and Description
void	addHandlerListener(IHandlerListener handlerListener)
void	dispose() Removes the property change listener from the action.
Object	execute(ExecutionEvent event)
IAction	getAction() Returns the action associated with this handler
boolean	isEnabled()
boolean	isHandled()
void	removeHandlerListener(IHandlerListener handlerListener)
void	setEnabled(Object evaluationContext) Called by the framework to allow the handler to update its enabled state by extracting the same information available at execution time.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ValidateHandler

public ValidateHandler()

Creates a new instance of this class given an instance of IAction.

Method Detail

addHandlerListener

public final void addHandlerListener(IHandlerListener handlerListener)

dispose

public final void dispose()

Removes the property change listener from the action.

See Also:

IHandler

execute

public Object execute(ExecutionEvent event)
               throws ExecutionException

Throws:

ExecutionException

getAction

public final IAction getAction()

Returns the action associated with this handler

Returns:

the action associated with this handler (not null)

isEnabled

public final boolean isEnabled()

isHandled

public final boolean isHandled()

removeHandlerListener

public final void removeHandlerListener(IHandlerListener handlerListener)

setEnabled

public void setEnabled(Object evaluationContext)

Called by the framework to allow the handler to update its enabled state by extracting the same information available at execution time. Clients may override if they need to extract information from the application context.

Parameters:

evaluationContext - the application context. May be null

See Also:

setBaseEnabled(boolean)

toString

public final String toString()

Overrides:

toString in class Object