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/*****************************************************************************
* Copyright (c) 2016 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Fanch BONNABESSE (ALL4TEC) fanch.bonnabesse@all4tec.net - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.properties.ui.modelelement;
import java.util.Set;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.papyrus.infra.constraints.runtime.ConstraintEngine;
import org.eclipse.papyrus.infra.properties.contexts.View;
import org.eclipse.papyrus.infra.properties.ui.creation.CreationContext;
import org.eclipse.papyrus.infra.properties.ui.creation.EcorePropertyEditorFactory;
import org.eclipse.papyrus.infra.properties.ui.runtime.PropertiesRuntime;
import org.eclipse.swt.widgets.Control;
/**
* A ReferenceFactory used to instantiate EObjects.
*/
public class EObjectDirectEditingValueFactory extends EcorePropertyEditorFactory {
/**
* Constructor.
*
* @param referenceIn
* The {@link EReference}.
*/
public EObjectDirectEditingValueFactory(final EReference referenceIn) {
super(referenceIn);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.papyrus.infra.properties.ui.creation.PropertyEditorFactory#createObject(org.eclipse.swt.widgets.Control, java.lang.Object, java.lang.Object)
*/
@Override
protected Object createObject(final Control widget, final Object context, final Object source) {
if (source == null) {
return null;
}
IStructuredSelection selection = new StructuredSelection(source);
ConstraintEngine<View> constraintEngine = PropertiesRuntime.getConstraintEngine();
Set<View> views = constraintEngine.getDisplayUnits(selection);
if (!views.isEmpty()) {
CreationContext creationContext = getCreationContext(context);
creationContext.pushCreatedElement(source);
creationContext.popCreatedElement(source);
}
return source;
}
}
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