org.eclipse.e4.ui.internal.services

Class ContextContextService

java.lang.Object

org.eclipse.e4.ui.internal.services.ContextContextService

All Implemented Interfaces:

EContextService

public class ContextContextService
extends java.lang.Object
implements EContextService

Constructor Summary

Constructors

Constructor and Description
ContextContextService(IEclipseContext context)

Method Summary

Modifier and Type	Method and Description
void	activateContext(java.lang.String id) Adds the given Context id to the list of active contexts
void	deactivateContext(java.lang.String id) Removes the given Context id from the list of active Contexts
void	deferUpdates(boolean defer) Informs the manager that a batch operation has started.
java.util.Collection<java.lang.String>	getActiveContextIds() Returns the complete listing of Context ids that are active or null if there are no active Contexts
Context	getContext(java.lang.String id) Look up a Context with a given id.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextContextService

public ContextContextService(IEclipseContext context)

Method Detail

activateContext

public void activateContext(java.lang.String id)

Description copied from interface: EContextService

Adds the given Context id to the list of active contexts

Specified by:

activateContext in interface EContextService

Parameters:

id - the id of the Context, cannot be null

deferUpdates

public void deferUpdates(boolean defer)

Informs the manager that a batch operation has started.

Note: You must insure that if you call deferUpdates(true) that nothing in your batched operation will prevent the matching call to deferUpdates(false).

Specified by:

deferUpdates in interface EContextService

Parameters:

defer - true when starting a batch operation false when ending the operation

Since:

4.2.2

deactivateContext

public void deactivateContext(java.lang.String id)

Description copied from interface: EContextService

Removes the given Context id from the list of active Contexts

Specified by:

deactivateContext in interface EContextService

Parameters:

id - the id of the Context, cannot be null

getActiveContextIds

public java.util.Collection<java.lang.String> getActiveContextIds()

Description copied from interface: EContextService

Returns the complete listing of Context ids that are active or null if there are no active Contexts

Specified by:

getActiveContextIds in interface EContextService

Returns:

the active Context ids or null

See Also:

IServiceConstants.ACTIVE_CONTEXTS

getContext

public Context getContext(java.lang.String id)

Description copied from interface: EContextService

Look up a Context with a given id. If no Context has the given id then null is returned

Specified by:

getContext in interface EContextService

Parameters:

id - the id of the Context, cannot be null

Returns:

the Context with the given id or null