| /******************************************************************************* |
| * Copyright (c) 2011-2018 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 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Lucas Koehler - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.emfforms.internal.core.services.segments.multi; |
| |
| import java.util.Collections; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature.Setting; |
| import org.eclipse.emf.ecp.common.spi.UniqueSetting; |
| import org.eclipse.emf.ecp.common.spi.asserts.Assert; |
| import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference; |
| import org.eclipse.emf.ecp.view.spi.model.VDomainModelReferenceSegment; |
| import org.eclipse.emfforms.spi.common.report.AbstractReport; |
| import org.eclipse.emfforms.spi.common.report.ReportService; |
| import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException; |
| import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport; |
| import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF; |
| import org.eclipse.emfforms.spi.core.services.mappingprovider.EMFFormsMappingProvider; |
| import org.eclipse.emfforms.view.spi.multisegment.model.MultiSegmentUtil; |
| import org.eclipse.emfforms.view.spi.multisegment.model.VMultiDomainModelReferenceSegment; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| |
| /** |
| * An {@link EMFFormsMappingProvider} implementation for {@link VDomainModelReference VDomainModelReferences} which |
| * contain a {@link VMultiDomainModelReferenceSegment} as their last segment. |
| * |
| * @author Lucas Koehler |
| * |
| */ |
| @Component(name = "EMFFormsMappingProviderMulti") |
| public class EMFFormsMappingProviderMulti implements EMFFormsMappingProvider { |
| |
| private EMFFormsDatabindingEMF emfFormsDatabinding; |
| private ReportService reportService; |
| |
| /** |
| * Sets the {@link EMFFormsDatabindingEMF} service. |
| * |
| * @param emfFormsDatabinding The databinding service |
| */ |
| @Reference(unbind = "-") |
| protected void setEMFFormsDatabinding(EMFFormsDatabindingEMF emfFormsDatabinding) { |
| this.emfFormsDatabinding = emfFormsDatabinding; |
| } |
| |
| /** |
| * Sets the {@link ReportService}. |
| * |
| * @param reportService The {@link ReportService} |
| */ |
| @Reference(unbind = "-") |
| protected void setReportService(ReportService reportService) { |
| this.reportService = reportService; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Set<UniqueSetting> getMappingFor(VDomainModelReference domainModelReference, EObject domainObject) { |
| Assert.create(domainModelReference).notNull(); |
| Assert.create(domainObject).notNull(); |
| final EList<VDomainModelReferenceSegment> segments = domainModelReference.getSegments(); |
| if (segments.isEmpty()) { |
| throw new IllegalArgumentException("The DMR does not contain any segments."); //$NON-NLS-1$ |
| } |
| if (!VMultiDomainModelReferenceSegment.class.isInstance(segments.get(segments.size() - 1))) { |
| throw new IllegalArgumentException( |
| "The last segment of the DMR must be a VMultiDomainModelReferenceSegment."); //$NON-NLS-1$ |
| } |
| |
| final VMultiDomainModelReferenceSegment multiSegment = (VMultiDomainModelReferenceSegment) segments |
| .get(segments.size() - 1); |
| |
| Setting multiSetting; |
| try { |
| multiSetting = emfFormsDatabinding.getSetting(domainModelReference, domainObject); |
| } catch (final DatabindingFailedException ex) { |
| reportService.report(new DatabindingFailedReport(ex)); |
| return Collections.<UniqueSetting> emptySet(); |
| } |
| |
| final Set<UniqueSetting> settings = new LinkedHashSet<UniqueSetting>(); |
| settings.add(UniqueSetting.createSetting(multiSetting)); |
| |
| for (final EObject eObject : (List<EObject>) multiSetting.get(true)) { |
| |
| for (final VDomainModelReference childDMR : multiSegment.getChildDomainModelReferences()) { |
| try { |
| final Setting childSetting = emfFormsDatabinding.getSetting(childDMR, eObject); |
| settings.add(UniqueSetting.createSetting(childSetting)); |
| } catch (final DatabindingFailedException ex) { |
| reportService.report(new DatabindingFailedReport(ex)); |
| } |
| } |
| } |
| return settings; |
| } |
| |
| @Override |
| public double isApplicable(VDomainModelReference domainModelReference, EObject domainObject) { |
| if (domainModelReference == null) { |
| reportService.report(new AbstractReport("The given VDomainModelReference was null.", IStatus.WARNING)); //$NON-NLS-1$ |
| return NOT_APPLICABLE; |
| } |
| if (domainObject == null) { |
| reportService.report(new AbstractReport("The given domain object was null.", IStatus.WARNING)); //$NON-NLS-1$ |
| return NOT_APPLICABLE; |
| } |
| final EList<VDomainModelReferenceSegment> segments = domainModelReference.getSegments(); |
| if (segments.isEmpty()) { |
| return NOT_APPLICABLE; |
| } |
| |
| return MultiSegmentUtil.getMultiSegment(domainModelReference).map(m -> 6d).orElse(NOT_APPLICABLE); |
| } |
| } |