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org.eclipse.gmf.runtime.diagram.core.services
Class ViewService

java.lang.Object
  extended by 

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

org.eclipse.gmf.runtime.common.core.service.Service
          extended by 
org.eclipse.gmf.runtime.diagram.core.services.ViewService
All Implemented Interfaces:
java.util.EventListener, IProvider, IProviderChangeListener, IViewProvider 
public final class ViewService

extends 
Service

implements 
IViewProvider

A service for manipulating the notational models

Nested Class Summary
protected static class ViewService.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
 
Constructor Summary
protected ViewService ()
          creates an instance
 
Method Summary
static  Diagram createDiagram (org.eclipse.emf.ecore.EObject context, java.lang.String kind, PreferencesHint preferencesHint)
          Creates a diagram with the given context and kind
  Diagram createDiagram ( IAdaptable semanticAdapter, java.lang.String diagramKindType, PreferencesHint preferencesHint)
          create an Diagram element.
static  Diagram createDiagram (java.lang.String kind, PreferencesHint preferencesHint)
          Creates a diagram with a kind
  Edge createEdge ( IAdaptable semanticAdapter, View containerView, java.lang.String semanticHint, int index, boolean persisted, PreferencesHint preferencesHint)
          create an Edge element.
  View createEdge ( IAdaptable semanticAdapter, View containerView, java.lang.String semanticHint, int index, PreferencesHint preferencesHint)
           
static  Edge createEdge ( View source, View target, org.eclipse.emf.ecore.EObject eObject, java.lang.String type, PreferencesHint preferencesHint)
          Creates an edge for a given eObject and with a given type and connects it between a given source and a given target
static  Edge createEdge ( View source, View target, java.lang.String type, PreferencesHint preferencesHint)
          Creates an edge with a given type and connects it between the given source and target
  Node createNode ( IAdaptable semanticAdapter, View containerView, java.lang.String semanticHint, int index, boolean persisted, PreferencesHint preferencesHint)
          creates a Node
  Node createNode ( IAdaptable semanticElement, View containerView, java.lang.String semanticHint, int index, PreferencesHint preferencesHint)
          creates a persisted Node
static  Node createNode ( View container, org.eclipse.emf.ecore.EObject eObject, java.lang.String type, PreferencesHint preferencesHint)
          Creates a node for a given eObject and with a given type and inserts it into a given container
static  Node createNode ( View container, java.lang.String type, PreferencesHint preferencesHint)
          Creates a node for a with a given type and inserts it thegiven container
protected  java.util.Map createPriorityCache ()
          Creates a map for caching service providers keyed by the values returned in Service.getCachingKey(IOperation).
  View createView (java.lang.Class viewKind, IAdaptable semanticAdapter, View containerView, java.lang.String semanticHint, int index, boolean persisted, PreferencesHint preferencesHint)
          A convenience method to create a view with the given parameters
protected  java.lang.Object getCachingKey ( IOperation operation)
          Gets the key used to cache service providers that provide for operation in the map created by Service.createPriorityCache().
static  ViewService getInstance ()
          Retrieves the singleton instance of the notation service.
protected   Service.ProviderDescriptor newProviderDescriptor ( IConfigurationElement element)
          Creates a new provider descriptor for the specified configuration element.
 boolean provides (java.lang.Class viewKind, IAdaptable semanticAdapter, View containerView, java.lang.String semanticHint, int index, boolean persisted, PreferencesHint preferencesHint)
          A convenience method to determine whether there is a provider that can create a view with the given parameters
 
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
 

Constructor Detail

ViewService

protected ViewService()
creates an instance

Method Detail

getInstance

public static 
ViewService getInstance()
Retrieves the singleton instance of the notation service.

Returns:
The notation service singleton.

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
See Also:
org.eclipse.gmf.runtime.common.core.service.Service#getCacheKey(org.eclipse.gmf.runtime.common.core.service.IOperation)

provides

public final boolean provides(java.lang.Class viewKind,
                              
IAdaptable semanticAdapter,
                              
View containerView,
                              java.lang.String semanticHint,
                              int index,
                              boolean persisted,
                              
PreferencesHint preferencesHint)
A convenience method to determine whether there is a provider that can create a view with the given parameters

Parameters:
viewKind -
semanticAdapter - adapts to either Integer or IReference
containerView -
semanticHint -
index -
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
boolean

createView

public final 
View createView(java.lang.Class viewKind,
                             
IAdaptable semanticAdapter,
                             
View containerView,
                             java.lang.String semanticHint,
                             int index,
                             boolean persisted,
                             
PreferencesHint preferencesHint)
A convenience method to create a view with the given parameters

Parameters:
viewKind -
semanticAdapter - adapts to IReference
containerView -
semanticHint -
index -
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
IView

createDiagram

public final 
Diagram createDiagram(
IAdaptable semanticAdapter,
                                   java.lang.String diagramKindType,
                                   
PreferencesHint preferencesHint)
Description copied from interface: IViewProvider
create an Diagram element.

Specified by:
createDiagram in interface IViewProvider
diagramKindType - indicates the diagram type
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
the created Diagram

createDiagram

public static 
Diagram createDiagram(org.eclipse.emf.ecore.EObject context,
                                    java.lang.String kind,
                                    
PreferencesHint preferencesHint)
Creates a diagram with the given context and kind

Parameters:
context - The diagram element context
kind - diagram kind, check ViewType for predefined values
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
A newly created Diagram

createDiagram

public static 
Diagram createDiagram(java.lang.String kind,
                                    
PreferencesHint preferencesHint)
Creates a diagram with a kind

Parameters:
kind - diagram kind, check ViewType for predefined values
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
A newly created Diagram

createNode

public static 
Node createNode(
View container,
                              org.eclipse.emf.ecore.EObject eObject,
                              java.lang.String type,
                              
PreferencesHint preferencesHint)
Creates a node for a given eObject and with a given type and inserts it into a given container

Parameters:
container - The node view container
eObject - The node view object context
type - The node view type, check ViewType for predefined values
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
A newly created Node

createNode

public static 
Node createNode(
View container,
                              java.lang.String type,
                              
PreferencesHint preferencesHint)
Creates a node for a with a given type and inserts it thegiven container

Parameters:
container - The node view container
type - The node view type, check ViewType for predefined values
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
A newly created Node

createEdge

public static 
Edge createEdge(
View source,
                              
View target,
                              org.eclipse.emf.ecore.EObject eObject,
                              java.lang.String type,
                              
PreferencesHint preferencesHint)
Creates an edge for a given eObject and with a given type and connects it between a given source and a given target

Parameters:
source - The edge's source view
target - The edge's target view
eObject - The edge view object context
type - The edge view type, check ViewType for predefined values
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
A newly created Edge

createEdge

public static 
Edge createEdge(
View source,
                              
View target,
                              java.lang.String type,
                              
PreferencesHint preferencesHint)
Creates an edge with a given type and connects it between the given source and target

Parameters:
source - The edge's source view
target - The edge's target view
type - The edge view type, check ViewType for predefined values
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
A newly created Edge

createEdge

public final 
Edge createEdge(
IAdaptable semanticAdapter,
                             
View containerView,
                             java.lang.String semanticHint,
                             int index,
                             boolean persisted,
                             
PreferencesHint preferencesHint)
Description copied from interface: IViewProvider
create an Edge element.

Specified by:
createEdge in interface IViewProvider
containerView - the container view that will contain the created view.
index - position in the container view's list of children views.
persisted - indicates if the created edge will be persisted or not
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
the created Edge

createEdge

public final 
View createEdge(
IAdaptable semanticAdapter,
                             
View containerView,
                             java.lang.String semanticHint,
                             int index,
                             
PreferencesHint preferencesHint)
Parameters:
semanticAdapter -
containerView -
semanticHint -
index -
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:

createNode

public final 
Node createNode(
IAdaptable semanticElement,
                             
View containerView,
                             java.lang.String semanticHint,
                             int index,
                             
PreferencesHint preferencesHint)
creates a persisted Node

Parameters:
semanticElement -
containerView -
semanticHint -
index -
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
the created node

createNode

public 
Node createNode(
IAdaptable semanticAdapter,
                       
View containerView,
                       java.lang.String semanticHint,
                       int index,
                       boolean persisted,
                       
PreferencesHint preferencesHint)
creates a Node

Specified by:
createNode in interface IViewProvider
Parameters:
semanticElement -
containerView -
semanticHint -
persisted -
index -
preferencesHint - The preference hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.
Returns:
the created node
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Copyright (c) IBM Corp., Borland Software Corp., and others 2005,2006. All rights reserved.


 
 
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