/******************************************************************************
* Copyright (c) 2016 Oracle
* 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:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.ui.forms.swt.internal;
import java.util.SortedSet;
import org.eclipse.sapphire.ElementList;
import org.eclipse.sapphire.PossibleTypesService;
import org.eclipse.sapphire.PossibleValuesService;
import org.eclipse.sapphire.Property;
import org.eclipse.sapphire.PropertyDef;
import org.eclipse.sapphire.Unique;
import org.eclipse.sapphire.ValueProperty;
import org.eclipse.sapphire.ui.forms.PropertyEditorPart;
import org.eclipse.sapphire.ui.forms.swt.PropertyEditorPresentationFactory;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public abstract class PossibleValuesListPresentationFactory extends PropertyEditorPresentationFactory
{
protected boolean check( final PropertyEditorPart part )
{
final Property property = part.property();
if( property instanceof ElementList &&
property.service( PossibleValuesService.class ) != null &&
property.service( PossibleTypesService.class ).types().size() == 1 )
{
final SortedSet<PropertyDef> properties = property.definition().getType().properties();
if( properties.size() == 1 )
{
final PropertyDef memberProperty = properties.first();
if( memberProperty instanceof ValueProperty && memberProperty.hasAnnotation( Unique.class ) )
{
return true;
}
}
}
return false;
}
}