Eclipse GMF Guide (Galileo) - GlobalActionHandlerService (Eclipse GMF Documentation)

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org.eclipse.gmf.runtime.common.ui.services.action.global
Class GlobalActionHandlerService

java.lang.Object
  

org.eclipse.gmf.runtime.common.core.service.AbstractProvider
      

org.eclipse.gmf.runtime.common.core.service.Service
          
org.eclipse.gmf.runtime.common.ui.services.action.global.GlobalActionHandlerService

All Implemented Interfaces:: java.util.EventListener, IProvider, IProviderChangeListener, IGlobalActionHandlerProvider

public class GlobalActionHandlerService
extends Service
implements IGlobalActionHandlerProvider
extends Service
implements IGlobalActionHandlerProvider

A service that provides the IGlobalActionHandler associated with a IGlobalActionHandlerContext. This service gets the first provider of the highest priority that provides a IGlobalActionHandler for the given IGlobalActionHandlerContext.

Nested Class Summary

protected static class GlobalActionHandlerService.ProviderDescriptor
          A descriptor for IGlobalActionHandlerProvider defined by a configuration element.

Nested classes/interfaces inherited from interface org.eclipse.gmf.runtime.common.ui.services.action.global. IGlobalActionHandlerProvider

IGlobalActionHandlerProvider.NullElementType

Field Summary

Fields inherited from class org.eclipse.gmf.runtime.common.core.service. Service

INVALID_ELEMENT_MESSAGE_PATTERN

Constructor Summary

protected GlobalActionHandlerService ()
          The GlobalActionHandlerService constructor

Method Summary

IGlobalActionHandler getGlobalActionHandler ( IGlobalActionHandlerContext context)
          Returns the IGlobalActionHandler for the given IGlobalActionHandlerContext

static GlobalActionHandlerService getInstance ()
          Gets the instance of GlobalActionHandlerService

protected Service.ProviderDescriptor newProviderDescriptor ( IConfigurationElement element)
          Creates a new provider descriptor for the specified configuration element.

Methods inherited from class org.eclipse.gmf.runtime.common.core.service. Service

addProvider, clearCache, configureProviders, configureProviders, createPriorityCache, execute, executeUnique, getAllProviders, getCachingKey, getPriority, getProviders, isOptimistic, isOptimized, providerChanged, provides, provides, removeProvider

Methods inherited from class org.eclipse.gmf.runtime.common.core.service. AbstractProvider

addProviderChangeListener, fireProviderChange, removeProviderChangeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.gmf.runtime.common.core.service. IProvider

addProviderChangeListener, provides, removeProviderChangeListener

Constructor Detail

GlobalActionHandlerService

protected GlobalActionHandlerService()

The GlobalActionHandlerService constructor

Method Detail

getInstance

public static 
GlobalActionHandlerService getInstance()

Gets the instance of GlobalActionHandlerService

Returns:: Returns the instance variable

getGlobalActionHandler

public 
IGlobalActionHandler getGlobalActionHandler(
IGlobalActionHandlerContext context)

Description copied from interface: IGlobalActionHandlerProvider

Returns the IGlobalActionHandler for the given IGlobalActionHandlerContext

Specified by:: getGlobalActionHandler in interface IGlobalActionHandlerProvider

Parameters:: context - The context for the provider
Returns:: Returns an IGlobalActionHandler

newProviderDescriptor

protected 
Service.ProviderDescriptor newProviderDescriptor(
IConfigurationElement element)

Description copied from class: Service

Creates a new provider descriptor for the specified configuration element.

Overrides:: newProviderDescriptor in class Service

Parameters:: element - The configuration element from which to create the descriptor.
Returns:: A new provider descriptor.