| /** |
| * Copyright (c) 2011-2019 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: |
| * Eugen Neufeld - initial API and implementation |
| * Lucas Koehler - adapted to segments |
| */ |
| package org.eclipse.emfforms.internal.ide.view.mappingsegment; |
| |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecp.view.spi.context.ViewModelContext; |
| import org.eclipse.emf.ecp.view.spi.model.VControl; |
| import org.eclipse.emf.ecp.view.spi.model.VElement; |
| 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.EMFFormsDatabinding; |
| import org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer; |
| import org.eclipse.emfforms.spi.swt.core.di.EMFFormsDIRendererService; |
| import org.eclipse.emfforms.spi.view.mappingsegment.model.VMappingDomainModelReferenceSegment; |
| import org.eclipse.emfforms.spi.view.mappingsegment.model.VMappingsegmentPackage; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| |
| /** |
| * A tester for a control for mapping eclasses. |
| * |
| * @author Eugen Neufeld |
| * |
| */ |
| @Component(name = "MappedEClassControlSWTRendererTester") |
| public class MappedEClassControlSWTRendererTester implements EMFFormsDIRendererService<VControl> { |
| |
| private EMFFormsDatabinding databindingService; |
| private ReportService reportService; |
| |
| /** |
| * Called by the framework to set the {@link EMFFormsDatabinding}. |
| * |
| * @param databindingService The {@link EMFFormsDatabinding} |
| */ |
| @Reference(unbind = "-") |
| protected void setEMFFormsDatabinding(EMFFormsDatabinding databindingService) { |
| this.databindingService = databindingService; |
| } |
| |
| /** |
| * Called by the framework to set the {@link ReportService}. |
| * |
| * @param reportService The {@link ReportService} |
| */ |
| @Reference(unbind = "-") |
| protected void setReportService(ReportService reportService) { |
| this.reportService = reportService; |
| } |
| |
| @Override |
| public double isApplicable(VElement vElement, ViewModelContext viewModelContext) { |
| if (!VMappingDomainModelReferenceSegment.class.isInstance(viewModelContext |
| .getDomainModel())) { |
| return NOT_APPLICABLE; |
| } |
| if (!VControl.class.isInstance(vElement)) { |
| return NOT_APPLICABLE; |
| } |
| |
| final VControl control = (VControl) vElement; |
| if (control.getDomainModelReference() == null) { |
| return NOT_APPLICABLE; |
| } |
| IValueProperty<?, ?> valueProperty; |
| try { |
| valueProperty = databindingService.getValueProperty(control.getDomainModelReference(), |
| viewModelContext.getDomainModel()); |
| } catch (final DatabindingFailedException ex) { |
| reportService.report(new DatabindingFailedReport(ex)); |
| return NOT_APPLICABLE; |
| } |
| final EStructuralFeature feature = (EStructuralFeature) valueProperty.getValueType(); |
| if (VMappingsegmentPackage.Literals.MAPPING_DOMAIN_MODEL_REFERENCE_SEGMENT__MAPPED_CLASS == feature) { |
| return 5; |
| } |
| return NOT_APPLICABLE; |
| } |
| |
| @Override |
| public Class<? extends AbstractSWTRenderer<VControl>> getRendererClass() { |
| return MappedEClassControlSWTRenderer.class; |
| } |
| |
| } |