| /******************************************************************************* |
| * Copyright (c) 2011-2016 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.custom.model.impl; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecp.view.spi.custom.model.VCustomDomainModelReference; |
| import org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification; |
| import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference; |
| import org.eclipse.emfforms.spi.core.services.structuralchange.EMFFormsStructuralChangeTester; |
| import org.eclipse.emfforms.spi.core.services.structuralchange.StructuralChangeTesterInternal; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| |
| /** |
| * Tester for structural changes of CustomDMRs. |
| * |
| * @author Eugen Neufeld |
| * @since 1.8 |
| * |
| */ |
| @Component |
| public class StructuralChangeCustomDMRTester implements StructuralChangeTesterInternal { |
| |
| private EMFFormsStructuralChangeTester emfFormsStructuralChangeTester; |
| private BundleContext bundleContext; |
| private ServiceReference<EMFFormsStructuralChangeTester> emfFormsStructuralChangeTesterServiceReference; |
| |
| /** |
| * Called by the framework when the component gets activated. |
| * |
| * @param bundleContext The {@link BundleContext} |
| */ |
| @Activate |
| protected void activate(BundleContext bundleContext) { |
| this.bundleContext = bundleContext; |
| } |
| |
| /** |
| * Called by the framework when the component gets deactivated. |
| * |
| * @param bundleContext The {@link BundleContext} |
| */ |
| @Deactivate |
| protected void deactivate(BundleContext bundleContext) { |
| if (emfFormsStructuralChangeTesterServiceReference != null) { |
| bundleContext.ungetService(emfFormsStructuralChangeTesterServiceReference); |
| emfFormsStructuralChangeTester = null; |
| } |
| } |
| |
| private EMFFormsStructuralChangeTester getEMFFormsStructuralChangeTester() { |
| if (emfFormsStructuralChangeTester == null) { |
| emfFormsStructuralChangeTesterServiceReference = bundleContext |
| .getServiceReference(EMFFormsStructuralChangeTester.class); |
| if (emfFormsStructuralChangeTesterServiceReference == null) { |
| throw new IllegalStateException("No EMFFormsDomainExpander available!"); //$NON-NLS-1$ |
| } |
| emfFormsStructuralChangeTester = bundleContext.getService(emfFormsStructuralChangeTesterServiceReference); |
| } |
| return emfFormsStructuralChangeTester; |
| } |
| |
| /** |
| * Helper method for tests. This is quite ugly! |
| * |
| * @param emfFormsStructuralChangeTester The EMFFormsStructuralChangeTester to use |
| */ |
| void setEMFFormsStructuralChangeTester(EMFFormsStructuralChangeTester emfFormsStructuralChangeTester) { |
| this.emfFormsStructuralChangeTester = emfFormsStructuralChangeTester; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emfforms.spi.core.services.structuralchange.StructuralChangeTesterInternal#isApplicable(org.eclipse.emf.ecp.view.spi.model.VDomainModelReference) |
| */ |
| @Override |
| public double isApplicable(VDomainModelReference reference) { |
| if (VCustomDomainModelReference.class.isInstance(reference)) { |
| return 5; |
| } |
| return NOT_APPLICABLE; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emfforms.spi.core.services.structuralchange.StructuralChangeTesterInternal#isStructureChanged(org.eclipse.emf.ecp.view.spi.model.VDomainModelReference, |
| * org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification) |
| */ |
| @Override |
| public boolean isStructureChanged(VDomainModelReference reference, EObject domainRootObject, |
| ModelChangeNotification notification) { |
| final VCustomDomainModelReference customDMR = VCustomDomainModelReference.class.cast(reference); |
| if (!customDMR.isControlChecked()) { |
| return false; |
| } |
| boolean result = true; |
| for (final VDomainModelReference dmr : customDMR.getDomainModelReferences()) { |
| result |= getEMFFormsStructuralChangeTester().isStructureChanged(dmr, domainRootObject, notification); |
| } |
| return result; |
| } |
| |
| } |