org.eclipse.osbp.infogrid.ecview/src/org/eclipse/osbp/infogrid/ecview/GridSourceDescriptorProvider.java

/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * 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:   
 * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation 
 */
 package org.eclipse.osbp.infogrid.ecview;

import org.eclipse.osbp.infogrid.api.DefaultECViewGridFactory;
import org.eclipse.osbp.infogrid.api.IECViewGridFactory;
import org.eclipse.osbp.infogrid.api.IGridSourceDescriptor;
import org.eclipse.osbp.infogrid.api.IGridSourceDescriptor.ConfigCallback;
import org.eclipse.osbp.infogrid.api.IGridSourceDescriptorProvider;
import org.eclipse.osbp.infogrid.api.SingleECViewGridFactory;
import org.eclipse.osbp.infogrid.model.gridsource.CxGridSource;
import org.osgi.service.component.annotations.Component;

/**
 * Creates an ECViewGridSourceDescriptor which is based on ECView.
 */
@Component(property = { IGridSourceDescriptorProvider.PROP_KIND + "="
		+ IGridSourceDescriptorProvider.KIND_ECVIEW })
public class GridSourceDescriptorProvider implements
		IGridSourceDescriptorProvider {

	@Override
	public IGridSourceDescriptor createDescriptor(Class<?> inputType,
			CxGridSource source, ConfigCallback callback) {
		ECViewGridSourceDescriptor descriptor = new ECViewGridSourceDescriptor(
				inputType, source, createFactory(source));
		if (callback != null) {
			descriptor.setProperties(callback.getProperties(descriptor));
		}
		return descriptor;
	}

	/**
	 * Creates a proper grid factory for different use cases.
	 * 
	 * @param source
	 * @return
	 */
	private IECViewGridFactory createFactory(CxGridSource source) {
		if (source.getTags().contains(IGridSourceDescriptor.TAG__SINGLE_GRID)) {
			return new SingleECViewGridFactory();
		}
		return new DefaultECViewGridFactory();
	}
}