bundles/org.eclipse.vorto.fbeditor/src/org/eclipse/vorto/fbeditor/scoping/FunctionblockScopeProvider.xtend

/*
 * generated by Xtext
 */
package org.eclipse.vorto.fbeditor.scoping

import org.eclipse.vorto.functionblock.Entity
import org.eclipse.vorto.functionblock.Enum
import org.eclipse.vorto.functionblock.FunctionblockModel
import org.eclipse.vorto.functionblock.ObjectProperty
import java.util.ArrayList
import javax.inject.Inject
import org.eclipse.emf.ecore.EReference
import org.eclipse.xtext.EcoreUtil2
import org.eclipse.xtext.naming.IQualifiedNameProvider
import org.eclipse.xtext.resource.EObjectDescription
import org.eclipse.xtext.resource.IEObjectDescription
import org.eclipse.xtext.scoping.IScope
import org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider
import org.eclipse.xtext.scoping.impl.SimpleScope

/**
 * This class contains custom scoping description.
 * 
 * see : http://www.eclipse.org/Xtext/documentation.html#scoping
 * on how and when to use it 
 *
 */
class FunctionblockScopeProvider extends AbstractDeclarativeScopeProvider {

	@Inject
	IQualifiedNameProvider nameProvider;
	
	def IScope scope_Property_type(ObjectProperty o, EReference r) {
		var objects = new ArrayList<IEObjectDescription>();
		var model = EcoreUtil2.getContainerOfType(o, typeof(FunctionblockModel));
		for (Entity entity : model.elements) {
			objects.add(EObjectDescription.create(nameProvider.getFullyQualifiedName(entity),entity));
		}
		
		for (Enum enumeration : model.enums) {
			objects.add(EObjectDescription.create(nameProvider.getFullyQualifiedName(enumeration),enumeration));
		}
		
		
		return new SimpleScope(IScope.NULLSCOPE, objects);
	}
}