org.eclipse.emf.ecp.view.internal.control.multireference

Class MultiReferenceRevealProvider

java.lang.Object

org.eclipse.emf.ecp.view.internal.control.multireference.MultiReferenceRevealProvider

All Implemented Interfaces:

Vendor<RevealStep>, EMFFormsRevealProvider

public class MultiReferenceRevealProvider
extends Object
implements EMFFormsRevealProvider

A reveal provider for multi-reference controls that show contained objects (not just cross-referenced).

Constructor Summary

Constructors

Constructor and Description
MultiReferenceRevealProvider()

Method Summary

Modifier and Type	Method and Description
Double	canReveal(ViewModelContext context, VControl control, EMFFormsDatabinding databinding) I bid on the element if it is a simple VControl specified by a DMR that resolves to a multi-valued containment reference.
RevealStep	reveal(ViewModelContext context, RevealHelper helper, VControl control, org.eclipse.emf.ecore.EObject object, EMFFormsDatabinding databinding) Create a terminal reveal step to select and reveal the object in the rendered element.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiReferenceRevealProvider

public MultiReferenceRevealProvider()

Method Detail

canReveal

public Double canReveal(ViewModelContext context,
                        VControl control,
                        EMFFormsDatabinding databinding)
                 throws DatabindingFailedException

I bid on the element if it is a simple VControl specified by a DMR that resolves to a multi-valued containment reference.

Parameters:

context - the view model context in which to resolve the DMR

control - the control to bid on

databinding - the databinding service in which to resolve the DMR

Returns:

my bid

Throws:

DatabindingFailedException - on failure to resolve the DMR

reveal

public RevealStep reveal(ViewModelContext context,
                         RevealHelper helper,
                         VControl control,
                         org.eclipse.emf.ecore.EObject object,
                         EMFFormsDatabinding databinding)
                  throws DatabindingFailedException

Create a terminal reveal step to select and reveal the object in the rendered element.

Parameters:

context - the view model context in which to find a renderer for the tree

helper - a helper for deferred revealing

control - the multi-reference control view model

object - the object to reveal

databinding - the databinding service in which to resolve the DMR

Returns:

the drill-down reveal step

Throws:

DatabindingFailedException - on failure to resolve the DMR