org.eclipse.gmf.runtime.diagram.ui.services.editpart
Class EditPartService

java.lang.Object
  org.eclipse.gmf.runtime.common.core.service.AbstractProvider
      org.eclipse.gmf.runtime.common.core.service.Service
          org.eclipse.gmf.runtime.diagram.ui.services.editpart.EditPartService

All Implemented Interfaces:

EditPartFactory, java.util.EventListener, org.eclipse.gmf.runtime.diagram.ui.internal.services.editpart.IEditPartProvider, IProvider, IProviderChangeListener

public final class EditPartService

extends Service

implements org.eclipse.gmf.runtime.diagram.ui.internal.services.editpart.IEditPartProvider, EditPartFactory

A service that supports the creation of editpart elements. Default editparts will be created if no sub-implementation creates one.

See Also:

EditPartService.createGraphicEditPart(View)

Nested Class Summary

protected static class

EditPartService.ProviderDescriptor A descriptor for ISemanticProvider defined by a configuration element.

Field Summary

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

INVALID_ELEMENT_MESSAGE_PATTERN

Method Summary

EditPart	createEditPart(EditPart context, java.lang.Object model)
IGraphicalEditPart	createGraphicEditPart(View view) Creates an IGraphicalEditPart instance by forwarding a CreateGraphicEditPartOperation to the registered providers.
protected java.util.Map	createPriorityCache() Creates a map for caching service providers keyed by the values returned in EditPartService.getCachingKey(IOperation).
RootEditPart	createRootEditPart(Diagram diagram) Creates a RootEditPart.
protected java.lang.Object	getCachingKey(IOperation operation) Gets the key used to cache service providers that provide for operation in the map created by EditPartService.createPriorityCache().
static EditPartService	getInstance() Signleton constructor.
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, execute, executeUnique, getAllProviders, 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

Method Detail

getInstance

public static EditPartService getInstance()

Signleton constructor.

Returns:

the Signleton instance

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.

See Also:

Service.newProviderDescriptor(org.eclipse.core.runtime.IConfigurationElement)

createPriorityCache

protected java.util.Map createPriorityCache()

Description copied from class: Service

Creates a map for caching service providers keyed by the values returned in Service.getCachingKey(IOperation).

Overrides:

createPriorityCache in class Service

Returns:

the new map

See Also:

Service.createPriorityCache()

getCachingKey

protected java.lang.Object getCachingKey(IOperation operation)

Description copied from class: Service

Gets the key used to cache service providers that provide for operation in the map created by Service.createPriorityCache().

Overrides:

getCachingKey in class Service

Parameters:

operation - IOperation for which the key will be retrieved

Returns:

the key into the service providers cache

createGraphicEditPart

public IGraphicalEditPart createGraphicEditPart(View view)

Creates an IGraphicalEditPart instance by forwarding a CreateGraphicEditPartOperation to the registered providers. The supplied parameter is the editpart's constructor parameter.

The following default editparts are created if none is created by a provider.

• IDiagramView ... DiagramEditPart
• ILabelViewLabelEditPart
• ITextCompartmentView ... TextCompartmentEditPart

Specified by:

createGraphicEditPart in interface org.eclipse.gmf.runtime.diagram.ui.internal.services.editpart.IEditPartProvider

Parameters:

view - the view element controlled by the created editpart

Returns:

an instance.

createEditPart

public EditPart createEditPart(EditPart context,
                               java.lang.Object model)

Specified by:

createEditPart in interface EditPartFactory

createRootEditPart

public RootEditPart createRootEditPart(Diagram diagram)

Description copied from interface: org.eclipse.gmf.runtime.diagram.ui.internal.services.editpart.IEditPartProvider

Creates a RootEditPart.

Specified by:

createRootEditPart in interface org.eclipse.gmf.runtime.diagram.ui.internal.services.editpart.IEditPartProvider

Parameters:

diagram - Diagram notation object that is the context for the operation.

Returns:

the RootEditPart