| /******************************************************************************* |
| * 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: |
| * Eugen Neufeld - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.emfforms.internal.datatemplate.tooling.editor; |
| |
| 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.datatemplate.DataTemplatePackage; |
| 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.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| |
| /** |
| * The OSGi Service for registering the {@link TemplateInstanceRenderer}. |
| * |
| * @author Eugen Neufeld |
| * |
| */ |
| @Component |
| public class TemplateInstanceRendererService implements EMFFormsDIRendererService<VControl> { |
| |
| private EMFFormsDatabinding databindingService; |
| private ReportService reportService; |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emfforms.spi.swt.core.di.EMFFormsDIRendererService#isApplicable(org.eclipse.emf.ecp.view.spi.model.VElement, |
| * org.eclipse.emf.ecp.view.spi.context.ViewModelContext) |
| */ |
| @Override |
| public double isApplicable(VElement vElement, ViewModelContext viewModelContext) { |
| 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 eStructuralFeature = EStructuralFeature.class.cast(valueProperty.getValueType()); |
| if (eStructuralFeature == DataTemplatePackage.eINSTANCE.getTemplate_Instance()) { |
| return 10; |
| } |
| return NOT_APPLICABLE; |
| } |
| |
| /** |
| * Called by the initializer to set the EMFFormsDatabinding. |
| * |
| * @param databindingService The EMFFormsDatabinding |
| */ |
| @Reference |
| protected void setEMFFormsDatabinding(EMFFormsDatabinding databindingService) { |
| this.databindingService = databindingService; |
| } |
| |
| /** |
| * Called by the initializer to set the ReportService. |
| * |
| * @param reportService The ReportService |
| */ |
| @Reference |
| protected void setReportService(ReportService reportService) { |
| this.reportService = reportService; |
| } |
| |
| @Override |
| public Class<? extends AbstractSWTRenderer<VControl>> getRendererClass() { |
| return TemplateInstanceRenderer.class; |
| } |
| |
| } |