diff options
Diffstat (limited to 'examples/org.eclipse.emf.generic.editor/src/org/eclipse/emf/editor/ui/ProposalCreator.java')
-rw-r--r-- | examples/org.eclipse.emf.generic.editor/src/org/eclipse/emf/editor/ui/ProposalCreator.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/examples/org.eclipse.emf.generic.editor/src/org/eclipse/emf/editor/ui/ProposalCreator.java b/examples/org.eclipse.emf.generic.editor/src/org/eclipse/emf/editor/ui/ProposalCreator.java new file mode 100644 index 00000000..65d0c5e3 --- /dev/null +++ b/examples/org.eclipse.emf.generic.editor/src/org/eclipse/emf/editor/ui/ProposalCreator.java @@ -0,0 +1,95 @@ +/** + * <copyright> + * + * Copyright (c) 2008 itemis AG 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: + * itemis AG - Initial API and implementation + * + * </copyright> + * + */ +package org.eclipse.emf.editor.ui; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +import org.eclipse.emf.common.util.Enumerator; +import org.eclipse.emf.common.util.TreeIterator; +import org.eclipse.emf.ecore.EClassifier; +import org.eclipse.emf.ecore.EEnum; +import org.eclipse.emf.ecore.EEnumLiteral; +import org.eclipse.emf.ecore.EObject; +import org.eclipse.emf.ecore.EReference; +import org.eclipse.emf.ecore.EStructuralFeature; +import org.eclipse.emf.ecore.EcorePackage; +import org.eclipse.emf.ecore.impl.EEnumImpl; +import org.eclipse.emf.ecore.util.EcoreUtil; +import org.eclipse.emf.edit.domain.EditingDomain; +import org.eclipse.emf.editor.oaw.OawFacade; + +/** + * @author Dennis Hübner + * + */ +public class ProposalCreator { + private EditingDomain domain; + private final OawFacade facade; + + public ProposalCreator(EditingDomain domain, OawFacade facade) { + super(); + this.domain = domain; + this.facade = facade; + } + + /** + * + * @param source + * @param feature + * @return possible values + */ + public List<?> proposals(EObject source, EStructuralFeature feature) { + + List<?> retVal = null; + // TODO Reference[] handle + if (feature instanceof EReference) { + retVal = findAllInstances(feature.getEType()); + } else if (feature.getEType() instanceof EEnumImpl) { + EEnum eEnum = (EEnum) feature.getEType(); + List<Enumerator> enumerators = new ArrayList<Enumerator>(); + for (Iterator<?> iter = eEnum.getELiterals().iterator(); iter + .hasNext();) { + Enumerator instance = ((EEnumLiteral) iter.next()) + .getInstance(); + enumerators.add(instance); + } + retVal = enumerators; + } + return facade.proposals(feature, source, retVal); + } + + private List<Object> findAllInstances(EClassifier type) { + List<Object> objects = new ArrayList<Object>(); + TreeIterator<Object> allContents = EcoreUtil.getAllContents(domain + .getResourceSet().getResources(), true); + while (allContents.hasNext()) { + Object o = allContents.next(); + if (type.isInstance(o)) + objects.add(o); + } + for (TreeIterator<Object> iter = EcoreUtil.getAllContents(EcoreUtil + .getRootContainer(EcorePackage.eINSTANCE, true), false); iter + .hasNext();) { + Object next = iter.next(); + if ((type.isInstance(next)) && !objects.contains(next)) { + objects.add(next); + } + } + return objects; + } +} |