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org.eclipse.gmf.runtime.emf.ui.services.modelingassistant
Class ModelingAssistantProvider

java.lang.Object
  extended by 

org.eclipse.gmf.runtime.common.core.service.AbstractProvider
      extended by 
org.eclipse.gmf.runtime.emf.ui.services.modelingassistant.ModelingAssistantProvider
All Implemented Interfaces:
IProvider, IModelingAssistantProvider 
public abstract class ModelingAssistantProvider

extends 
AbstractProvider

implements 
IModelingAssistantProvider

Abstract class for the Modeling Assistant Provider so that subclasses don't have to override methods they do not provide for. Provides some default behavior.

Constructor Summary
ModelingAssistantProvider ()
           
 
Method Summary
 java.util.List getRelTypesForSREOnSource ( IAdaptable source)
          Returns the same list of relationship types as getRelTypesOnSource.
 java.util.List getRelTypesForSREOnTarget ( IAdaptable target)
          Returns the same list of relationship types as getRelTypesOnTarget.
 java.util.List getRelTypesOnSource ( IAdaptable source)
          Returns an empty list.
 java.util.List getRelTypesOnSourceAndTarget ( IAdaptable source, IAdaptable target)
          Returns an empty list.
 java.util.List getRelTypesOnTarget ( IAdaptable target)
          Returns an empty list.
 java.util.List getTypes (java.lang.String hint, IAdaptable data)
          Returns an empty list.
 java.util.List getTypesForPopupBar ( IAdaptable host)
          Returns an empty list.
 java.util.List getTypesForSource ( IAdaptable target, IElementType relationshipType)
          Returns an empty list.
 java.util.List getTypesForTarget ( IAdaptable source, IElementType relationshipType)
          Returns an empty list.
 boolean provides ( IOperation operation)
           For the Get*TypesFor* operations, this will return true if the corresponding get*TypesFor* call does not return an empty list.
 org.eclipse.emf.ecore.EObject selectExistingElementForSource ( IAdaptable target, IElementType relationshipType)
          Pops up a dialog that allows the user to select an existing element that is to be used as the source in a new relationship being created.
 org.eclipse.emf.ecore.EObject selectExistingElementForTarget ( IAdaptable source, IElementType relationshipType)
          Returns null.
 
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, removeProviderChangeListener
 

Constructor Detail

ModelingAssistantProvider

public ModelingAssistantProvider()
Method Detail

provides

public boolean provides(
IOperation operation)

For the Get*TypesFor* operations, this will return true if the corresponding get*TypesFor* call does not return an empty list.

For the SelectElementFor* operations, this will return true if the corresponding getTypesFor* call does not return an empty list.

Specified by:
provides in interface IProvider
Parameters:
operation - The operation in question.
Returns:
true if this provider provides the operation; false otherwise.

getTypes

public java.util.List getTypes(java.lang.String hint,
                               
IAdaptable data)
Returns an empty list.

Specified by:
getTypes in interface IModelingAssistantProvider
Parameters:
hint - identifies the hint or gesture
data -
  • provides additional data that is required
  • may be null depending on the hint
    • Returns:
    a list of element types (IElementType)

    getRelTypesForSREOnSource

    public java.util.List getRelTypesForSREOnSource(
IAdaptable source)
    Returns the same list of relationship types as getRelTypesOnSource.

    Specified by:
    getRelTypesForSREOnSource in interface IModelingAssistantProvider
    Parameters:
    source - the source: adapts to editpart, view, element, etc.
    Returns:
    a list of relationship types (IElementType)

    getRelTypesForSREOnTarget

    public java.util.List getRelTypesForSREOnTarget(
IAdaptable target)
    Returns the same list of relationship types as getRelTypesOnTarget.

    Specified by:
    getRelTypesForSREOnTarget in interface IModelingAssistantProvider
    Parameters:
    target - the target: adapts to editpart, view, element, etc.
    Returns:
    a list of relationship types (IElementType objects)

    getRelTypesOnSource

    public java.util.List getRelTypesOnSource(
IAdaptable source)
    Returns an empty list.

    Specified by:
    getRelTypesOnSource in interface IModelingAssistantProvider
    Parameters:
    source - the source: adapts to editpart, view, element, etc.
    Returns:
    a list of relationship types (IElementType)

    getRelTypesOnTarget

    public java.util.List getRelTypesOnTarget(
IAdaptable target)
    Returns an empty list.

    Specified by:
    getRelTypesOnTarget in interface IModelingAssistantProvider
    Parameters:
    target - the target: adapts to editpart, view, element, etc.
    Returns:
    a list of relationship types (IElementType)

    getRelTypesOnSourceAndTarget

    public java.util.List getRelTypesOnSourceAndTarget(
IAdaptable source,
                                                   
IAdaptable target)
    Returns an empty list.

    Specified by:
    getRelTypesOnSourceAndTarget in interface IModelingAssistantProvider
    Parameters:
    source - the source: adapts to editpart, view, element, etc.
    target - the target: adapts to editpart, view, element, etc.
    Returns:
    a list of relationship types (IElementType)

    getTypesForSource

    public java.util.List getTypesForSource(
IAdaptable target,
                                        
IElementType relationshipType)
    Returns an empty list.

    Specified by:
    getTypesForSource in interface IModelingAssistantProvider
    Parameters:
    target - the target: adapts to editpart, view, element, etc.
    relationshipType - the relationship type to be created
    Returns:
    a list of types for the new source (IElementType objects)

    getTypesForTarget

    public java.util.List getTypesForTarget(
IAdaptable source,
                                        
IElementType relationshipType)
    Returns an empty list.

    Specified by:
    getTypesForTarget in interface IModelingAssistantProvider
    Parameters:
    source - the source: adapts to editpart, view, element, etc.
    relationshipType - the relationship type to be created
    Returns:
    a list of types for the new target (IElementType objects)

    selectExistingElementForSource

    public org.eclipse.emf.ecore.EObject selectExistingElementForSource(
IAdaptable target,
                                                                    
IElementType relationshipType)
    Description copied from interface: IModelingAssistantProvider
    Pops up a dialog that allows the user to select an existing element that is to be used as the source in a new relationship being created.

    Specified by:
    selectExistingElementForSource in interface IModelingAssistantProvider
    Parameters:
    target - the target: adapts to editpart, view, element, etc.
    relationshipType - the relationship type to be created
    Returns:
    Returns the EObject the user selected, or null if an error occurred or the gesture was cancelled.

    selectExistingElementForTarget

    public org.eclipse.emf.ecore.EObject selectExistingElementForTarget(
IAdaptable source,
                                                                    
IElementType relationshipType)
    Returns null.

    Specified by:
    selectExistingElementForTarget in interface IModelingAssistantProvider
    Parameters:
    source - the source: adapts to editpart, view, element, etc.
    relationshipType - the relationship type to be created
    Returns:
    Returns the IElement the user selected, or null if an error occurred or the gesture was cancelled.

    getTypesForPopupBar

    public java.util.List getTypesForPopupBar(
IAdaptable host)
    Returns an empty list.

    Specified by:
    getTypesForPopupBar in interface IModelingAssistantProvider
    Parameters:
    host - the host on which the popup bar will be displayed: adapts to editpart, view, element, etc.
    Returns:
    a list of element types (IElementType)
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