| /******************************************************************************* |
| * 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: |
| * Lucas Koehler - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.emf.ecp.view.internal.editor.controls; |
| |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| import org.eclipse.emf.ecore.EAttribute; |
| 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.emf.ecp.view.spi.rule.model.RulePackage; |
| 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; |
| |
| /** |
| * DI renderer service for {@link LeafConditionControlRenderer}. |
| * |
| * @author Lucas Koehler |
| * |
| */ |
| @Component(name = "LeafConditionControlRendererService") |
| public class LeafConditionControlRendererService implements EMFFormsDIRendererService<VControl> { |
| |
| private EMFFormsDatabinding databindingService; |
| private ReportService reportService; |
| |
| /** |
| * Called by the framework to set the {@link EMFFormsDatabinding}. |
| * |
| * @param databindingService The {@link EMFFormsDatabinding} |
| */ |
| @Reference |
| protected void setEMFFormsDatabinding(EMFFormsDatabinding databindingService) { |
| this.databindingService = databindingService; |
| } |
| |
| /** |
| * Called by the framework to set the {@link ReportService}. |
| * |
| * @param reportService The {@link ReportService} |
| */ |
| @Reference |
| protected void setReportService(ReportService reportService) { |
| this.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 feature = (EStructuralFeature) valueProperty.getValueType(); |
| if (feature.isMany()) { |
| return NOT_APPLICABLE; |
| } |
| // if we have an attribute |
| if (!EAttribute.class.isInstance(feature)) { |
| return NOT_APPLICABLE; |
| } |
| final EAttribute eAttribute = EAttribute.class.cast(feature); |
| if (eAttribute.getEContainingClass().equals(RulePackage.eINSTANCE.getLeafCondition())) { |
| return 3d; |
| } |
| |
| return NOT_APPLICABLE; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emfforms.spi.swt.core.di.EMFFormsDIRendererService#getRendererClass() |
| */ |
| @Override |
| public Class<? extends AbstractSWTRenderer<VControl>> getRendererClass() { |
| return LeafConditionControlRenderer.class; |
| } |
| |
| } |