| /** |
| * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH 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: |
| * Eugen Neufeld - initial API and implementation |
| */ |
| package org.eclipse.emf.ecp.view.spi.table.model.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.NotificationChain; |
| import org.eclipse.emf.common.notify.impl.AdapterImpl; |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EReference; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecore.EStructuralFeature.Setting; |
| import org.eclipse.emf.ecore.InternalEObject; |
| import org.eclipse.emf.ecore.impl.ENotificationImpl; |
| import org.eclipse.emf.ecore.util.EObjectContainmentEList; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.emf.ecore.util.InternalEList; |
| import org.eclipse.emf.ecp.view.spi.model.DomainModelReferenceChangeListener; |
| import org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification; |
| import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference; |
| import org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl; |
| import org.eclipse.emf.ecp.view.spi.table.model.VTableDomainModelReference; |
| import org.eclipse.emf.ecp.view.spi.table.model.VTablePackage; |
| |
| /** |
| * <!-- begin-user-doc --> |
| * An implementation of the model object '<em><b>Domain Model Reference</b></em>'. |
| * <!-- end-user-doc --> |
| * <p> |
| * The following features are implemented: |
| * <ul> |
| * <li> |
| * {@link org.eclipse.emf.ecp.view.spi.table.model.impl.VTableDomainModelReferenceImpl#getColumnDomainModelReferences |
| * <em>Column Domain Model References</em>}</li> |
| * <li>{@link org.eclipse.emf.ecp.view.spi.table.model.impl.VTableDomainModelReferenceImpl#getDomainModelReference <em> |
| * Domain Model Reference</em>}</li> |
| * </ul> |
| * </p> |
| * |
| * @generated |
| */ |
| public class VTableDomainModelReferenceImpl extends VFeaturePathDomainModelReferenceImpl implements |
| VTableDomainModelReference { |
| /** |
| * The cached value of the '{@link #getColumnDomainModelReferences() <em>Column Domain Model References</em>}' |
| * containment reference list. |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @see #getColumnDomainModelReferences() |
| * @generated |
| * @ordered |
| */ |
| protected EList<VDomainModelReference> columnDomainModelReferences; |
| |
| /** |
| * The cached value of the '{@link #getDomainModelReference() <em>Domain Model Reference</em>}' containment |
| * reference. |
| * <!-- begin-user-doc --> |
| * |
| * @since 1.5 |
| * <!-- end-user-doc --> |
| * |
| * @see #getDomainModelReference() |
| * @generated |
| * @ordered |
| */ |
| protected VDomainModelReference domainModelReference; |
| |
| private final List<VDomainModelReference> resolvedColumns = new ArrayList<VDomainModelReference>(); |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| protected VTableDomainModelReferenceImpl() { |
| super(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| protected EClass eStaticClass() { |
| return VTablePackage.Literals.TABLE_DOMAIN_MODEL_REFERENCE; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public EList<VDomainModelReference> getColumnDomainModelReferences() { |
| if (columnDomainModelReferences == null) { |
| columnDomainModelReferences = new EObjectContainmentEList<VDomainModelReference>( |
| VDomainModelReference.class, this, |
| VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__COLUMN_DOMAIN_MODEL_REFERENCES); |
| } |
| return columnDomainModelReferences; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * |
| * @since 1.5 |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public VDomainModelReference getDomainModelReference() { |
| return domainModelReference; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * |
| * @since 1.5 |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public NotificationChain basicSetDomainModelReference(VDomainModelReference newDomainModelReference, |
| NotificationChain msgs) { |
| final VDomainModelReference oldDomainModelReference = domainModelReference; |
| domainModelReference = newDomainModelReference; |
| if (eNotificationRequired()) { |
| final ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, |
| VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE, oldDomainModelReference, |
| newDomainModelReference); |
| if (msgs == null) { |
| msgs = notification; |
| } else { |
| msgs.add(notification); |
| } |
| } |
| return msgs; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * |
| * @since 1.5 |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public void setDomainModelReference(VDomainModelReference newDomainModelReference) { |
| if (newDomainModelReference != domainModelReference) { |
| NotificationChain msgs = null; |
| if (domainModelReference != null) { |
| msgs = ((InternalEObject) domainModelReference).eInverseRemove(this, EOPPOSITE_FEATURE_BASE |
| - VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE, null, msgs); |
| } |
| if (newDomainModelReference != null) { |
| msgs = ((InternalEObject) newDomainModelReference).eInverseAdd(this, EOPPOSITE_FEATURE_BASE |
| - VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE, null, msgs); |
| } |
| msgs = basicSetDomainModelReference(newDomainModelReference, msgs); |
| if (msgs != null) { |
| msgs.dispatch(); |
| } |
| } else if (eNotificationRequired()) { |
| eNotify(new ENotificationImpl(this, Notification.SET, |
| VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE, newDomainModelReference, |
| newDomainModelReference)); |
| } |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) { |
| switch (featureID) { |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__COLUMN_DOMAIN_MODEL_REFERENCES: |
| return ((InternalEList<?>) getColumnDomainModelReferences()).basicRemove(otherEnd, msgs); |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE: |
| return basicSetDomainModelReference(null, msgs); |
| } |
| return super.eInverseRemove(otherEnd, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public Object eGet(int featureID, boolean resolve, boolean coreType) { |
| switch (featureID) { |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__COLUMN_DOMAIN_MODEL_REFERENCES: |
| return getColumnDomainModelReferences(); |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE: |
| return getDomainModelReference(); |
| } |
| return super.eGet(featureID, resolve, coreType); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @SuppressWarnings("unchecked") |
| @Override |
| public void eSet(int featureID, Object newValue) { |
| switch (featureID) { |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__COLUMN_DOMAIN_MODEL_REFERENCES: |
| getColumnDomainModelReferences().clear(); |
| getColumnDomainModelReferences().addAll((Collection<? extends VDomainModelReference>) newValue); |
| return; |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE: |
| setDomainModelReference((VDomainModelReference) newValue); |
| return; |
| } |
| super.eSet(featureID, newValue); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public void eUnset(int featureID) { |
| switch (featureID) { |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__COLUMN_DOMAIN_MODEL_REFERENCES: |
| getColumnDomainModelReferences().clear(); |
| return; |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE: |
| setDomainModelReference((VDomainModelReference) null); |
| return; |
| } |
| super.eUnset(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public boolean eIsSet(int featureID) { |
| switch (featureID) { |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__COLUMN_DOMAIN_MODEL_REFERENCES: |
| return columnDomainModelReferences != null && !columnDomainModelReferences.isEmpty(); |
| case VTablePackage.TABLE_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_REFERENCE: |
| return domainModelReference != null; |
| } |
| return super.eIsSet(featureID); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#init(org.eclipse.emf.ecore.EObject) |
| */ |
| @Override |
| public boolean init(final EObject object) { |
| final boolean init = super.init(object); |
| eAdapters().add(new AdapterImpl() { |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(org.eclipse.emf.common.notify.Notification) |
| */ |
| @Override |
| public void notifyChanged(Notification msg) { |
| super.notifyChanged(msg); |
| if (msg.getFeature() == VTablePackage.eINSTANCE |
| .getTableDomainModelReference_ColumnDomainModelReferences() |
| && msg.getEventType() == Notification.ADD) { |
| resolve(object, false); |
| } |
| } |
| |
| }); |
| return init; |
| } |
| |
| @Override |
| public Iterator<Setting> getIterator() { |
| if (lastResolvedEObject == null || leftReferences == null) { |
| final Set<Setting> settings = Collections.emptySet(); |
| return settings.iterator(); |
| } |
| EStructuralFeature feature; |
| if (getDomainModelReference() == null) { |
| feature = getDomainModelEFeature(); |
| } else { |
| feature = getDomainModelReference().getIterator().next().getEStructuralFeature(); |
| } |
| |
| final EStructuralFeature listFeature = feature; |
| |
| if (!EReference.class.isInstance(listFeature)) { |
| final Set<Setting> settings = Collections.emptySet(); |
| return settings.iterator(); |
| } |
| |
| if (!lastResolvedEObject.eClass().getEAllStructuralFeatures().contains(listFeature)) { |
| final List<Setting> settings = Collections.emptyList(); |
| return settings.iterator(); |
| } |
| final int numElems = 1 + resolvedColumns.size(); |
| return new Iterator<EStructuralFeature.Setting>() { |
| int returnedElements = 0; |
| |
| @Override |
| public boolean hasNext() { |
| |
| return numElems > returnedElements; |
| |
| } |
| |
| @Override |
| public Setting next() { |
| Setting result = null; |
| if (returnedElements == 0) { |
| result = ((InternalEObject) lastResolvedEObject).eSetting(listFeature); |
| } else { |
| final Iterator<Setting> iterator = resolvedColumns.get(returnedElements - 1).getIterator(); |
| if (iterator.hasNext()) { |
| result = iterator.next(); |
| } else { |
| throw new NoSuchElementException(String.format( |
| "The iterator has %1$s but %2$s already has been returned!", numElems, returnedElements)); //$NON-NLS-1$ |
| } |
| } |
| returnedElements++; |
| return result; |
| } |
| |
| @Override |
| public void remove() { |
| // do nothing |
| } |
| |
| }; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#getEStructuralFeatureIterator() |
| */ |
| @Override |
| public Iterator<EStructuralFeature> getEStructuralFeatureIterator() { |
| EStructuralFeature feature; |
| if (getDomainModelReference() == null) { |
| feature = getDomainModelEFeature(); |
| } else { |
| final Iterator<EStructuralFeature> iterator = getDomainModelReference().getEStructuralFeatureIterator(); |
| if (!iterator.hasNext()) { |
| return Collections.<EStructuralFeature> emptyList().iterator(); |
| } |
| feature = iterator.next(); |
| } |
| final EStructuralFeature listFeature = feature; |
| |
| if (!EReference.class.isInstance(feature)) { |
| final List<EStructuralFeature> features = Collections.emptyList(); |
| return features.iterator(); |
| } |
| return new Iterator<EStructuralFeature>() { |
| private int counter = 0; |
| |
| @Override |
| public boolean hasNext() { |
| return getColumnDomainModelReferences().size() + 1 > counter; |
| |
| } |
| |
| @Override |
| public EStructuralFeature next() { |
| EStructuralFeature result = null; |
| if (0 == counter) { |
| result = listFeature; |
| } else { |
| result = getColumnDomainModelReferences().get(counter - 1).getEStructuralFeatureIterator().next(); |
| |
| } |
| counter++; |
| return result; |
| } |
| |
| @Override |
| public void remove() { |
| } |
| }; |
| |
| } |
| |
| @Override |
| protected boolean resolve(EObject domainModel, boolean createMissingChildren) { |
| boolean result = false; |
| EStructuralFeature feature = null; |
| if (getDomainModelReference() == null) { |
| result = super.resolve(domainModel, createMissingChildren); |
| feature = getDomainModelEFeature(); |
| } else { |
| result = getDomainModelReference().init(domainModel); |
| final Setting dmrSetting = getDomainModelReference().getIterator().next(); |
| if (dmrSetting != null) { |
| lastResolvedEObject = dmrSetting.getEObject(); |
| feature = dmrSetting.getEStructuralFeature(); |
| leftReferences = new ArrayList<EReference>(); |
| } |
| } |
| resolvedColumns.clear(); |
| if (result == false) { |
| return result; |
| } |
| |
| if (lastResolvedEObject == null) { |
| return result; |
| } |
| @SuppressWarnings("unchecked") |
| final List<EObject> eObjects = (List<EObject>) lastResolvedEObject.eGet(feature); |
| if (eObjects == null) { |
| return false; |
| } |
| for (final EObject eObject : eObjects) { |
| for (final VDomainModelReference columnReference : getColumnDomainModelReferences()) { |
| final VDomainModelReference copy = EcoreUtil.copy(columnReference); |
| copy.init(eObject); |
| resolvedColumns.add(copy); |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| public void notifyChange(ModelChangeNotification notification) { |
| if (getDomainModelEFeature() != null) { |
| super.notifyChange(notification); |
| return; |
| } |
| |
| if (notification.getRawNotification().isTouch()) { |
| return; |
| } |
| final Iterator<EStructuralFeature> structuralFeatureIterator = getDomainModelReference() |
| .getEStructuralFeatureIterator(); |
| while (structuralFeatureIterator.hasNext()) { |
| final EStructuralFeature feature = structuralFeatureIterator.next(); |
| if (feature.equals(notification.getStructuralFeature())) { |
| cleanDiagnostic(feature.equals(notification.getStructuralFeature()), notification); |
| resolve(rootEObject, false); |
| for (final DomainModelReferenceChangeListener listener : getChangeListener()) { |
| listener.notifyChange(); |
| } |
| } |
| } |
| } |
| } // VTableDomainModelReferenceImpl |