| /*******************************************************************************
|
| * Copyright (c) 2010, 2019 CEA LIST.
|
| *
|
| * All rights reserved. This program and the accompanying materials
|
| * are made available under the terms of the Eclipse Public License v2.0
|
| * which accompanies this distribution, and is available at
|
| * http://www.eclipse.org/legal/epl-v20.html
|
| *
|
| * Contributors:
|
| * Nicolas Bros (Mia-Software) - initial API and implementation
|
| * Nicolas Guyomar (Mia-Software) - Bug 342451 - To be able to edit derived facet attributes and derived facet references in a table
|
| *******************************************************************************/ |
| package org.eclipse.modisco.facet.widgets.celleditors.internal.ui;
|
|
|
| import java.util.ArrayList;
|
| import java.util.List;
|
|
|
| import org.eclipse.emf.common.notify.Notifier;
|
| import org.eclipse.emf.common.util.TreeIterator;
|
| import org.eclipse.emf.ecore.EClassifier;
|
| import org.eclipse.emf.ecore.EObject;
|
| import org.eclipse.emf.ecore.EStructuralFeature;
|
| import org.eclipse.emf.ecore.resource.Resource;
|
| import org.eclipse.emf.ecore.resource.ResourceSet;
|
| import org.eclipse.jface.viewers.ITreeContentProvider;
|
| import org.eclipse.jface.viewers.Viewer;
|
|
|
| public class AssignableValuesContentProvider implements ITreeContentProvider {
|
| public Object[] getElements(final Object inputElement) {
|
| if (inputElement instanceof FeatureValuesInput) {
|
| FeatureValuesInput assignableValuesInput = (FeatureValuesInput) inputElement;
|
| EStructuralFeature feature = assignableValuesInput.getFeature();
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| EClassifier eType = feature.getEType();
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| EObject source = assignableValuesInput.getSource();
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| List<?> featureValues = (List<?>) source.eGet(feature);
|
|
|
| // build a list of EObjects assignable to the EReference
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| List<EObject> list = new ArrayList<EObject>();
|
| Resource eResource = source.eResource();
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| if (eResource == null) {
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| return new Object[0];
|
| }
|
| ResourceSet resourceSet = eResource.getResourceSet();
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| TreeIterator<Notifier> allContents = resourceSet.getAllContents();
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| while (allContents.hasNext()) {
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| Notifier notifier = allContents.next();
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| if (notifier instanceof EObject) {
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| EObject eObject = (EObject) notifier;
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| if (eType.isInstance(eObject)
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| && (!feature.isUnique() || !(featureValues != null && featureValues
|
| .contains(eObject)))) {
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| list.add(eObject);
|
| }
|
| }
|
| }
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| return list.toArray();
|
| } else if (inputElement instanceof List<?>) {
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| return ((List<?>) inputElement).toArray();
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| }
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| throw new IllegalArgumentException(FeatureValuesInput.class.getSimpleName() + " expected"); //$NON-NLS-1$
|
| }
|
|
|
| public void dispose() {
|
| //
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| }
|
|
|
| public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) {
|
| //
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| }
|
|
|
| public Object[] getChildren(final Object parentElement) {
|
| return null;
|
| }
|
|
|
| public Object getParent(final Object element) {
|
| return null;
|
| }
|
|
|
| public boolean hasChildren(final Object element) {
|
| return false;
|
| }
|
| } |
