bundles/org.eclipse.emf.ecp.view.categorization.swt/src/org/eclipse/emf/ecp/view/internal/categorization/swt/SWTCategorizationElementRendererService.java

/*******************************************************************************
 * Copyright (c) 2011-2015 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.emf.ecp.view.internal.categorization.swt;

import org.eclipse.emf.ecp.view.spi.categorization.model.VCategorizationElement;
import org.eclipse.emf.ecp.view.spi.categorization.swt.SWTCategorizationElementRenderer;
import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
import org.eclipse.emf.ecp.view.spi.model.VElement;
import org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer;
import org.eclipse.emfforms.spi.swt.core.di.EMFFormsDIRendererService;

/**
 * SWTCategorizationElementRendererService which provides the SWTCategorizationElementRenderer.
 *
 * @author Eugen Neufeld
 *
 */
public class SWTCategorizationElementRendererService implements EMFFormsDIRendererService<VCategorizationElement> {

	/**
	 * {@inheritDoc}
	 *
	 * @see org.eclipse.emfforms.spi.swt.core.EMFFormsRendererService#isApplicable(VElement,ViewModelContext)
	 */
	@Override
	public double isApplicable(VElement vElement, ViewModelContext viewModelContext) {
		if (VCategorizationElement.class.isInstance(vElement)) {
			if (VCategorizationElement.class.cast(vElement).getMainCategoryDepth() == 0) {
				return 1;
			}
		}
		return NOT_APPLICABLE;
	}

	/**
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.emfforms.spi.swt.core.di.EMFFormsDIRendererService#getRendererClass()
	 */
	@Override
	public Class<? extends AbstractSWTRenderer<VCategorizationElement>> getRendererClass() {
		return SWTCategorizationElementRenderer.class;
	}

}