org.eclipse.osbp.ecview.extension.grid.model/src/org/eclipse/osbp/ecview/extension/grid/util/CxGridUtil.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 v1.0       
 *  which accompanies this distribution, and is available at                  
 *  http://www.eclipse.org/legal/epl-v10.html                                 
 *                                                                            
 *  Contributors:                                                      
 * 	   Florian Pirchner - Initial implementation
 * 
 */
package org.eclipse.osbp.ecview.extension.grid.util;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.osbp.ecview.extension.grid.CxGrid;
import org.eclipse.osbp.ecview.extension.grid.CxGridColumn;
import org.eclipse.osbp.ui.api.useraccess.AbstractAuthorization.Action;
import org.eclipse.osbp.ui.api.useraccess.AbstractAuthorization.Group;
import org.eclipse.osbp.ui.api.useraccess.IUserAccessService;

/**
 * The Class CxGridUtil.
 */
public class CxGridUtil {

	/**
	 * Returns the grid.
	 *
	 * @param eObject
	 *            the e object
	 * @return the grid
	 */
	public static CxGrid getGrid(EObject eObject) {
		if (eObject == null) {
			return null;
		}

		if (eObject instanceof CxGrid) {
			return (CxGrid) eObject;
		} else {
			return getGrid(eObject.eContainer());
		}
	}
	
	
	/**
	 * Modifies the columns of the grid due to the existing user permissions
	 *  
	 * @param userAccessService
	 * @param grid
	 * @return
	 */
	public static CxGrid setPermissions(IUserAccessService userAccessService, CxGrid grid) {
		if (userAccessService == null) {
			grid.setVisible(true);
		} else {
			String dtoName = grid.getTypeQualifiedName();
			for (CxGridColumn column : grid.getColumns()) {
				String dtoProperty = column.getPropertyId();
				if (userAccessService.isGranted(Group.DTO, Action.READABLE, dtoName)) {
					column.setHidden(false);
					column.setEditable(true);
					boolean columnHidden = userAccessService.isVetoed(Group.DTO, Action.INVISIBLE ,dtoName, dtoProperty);
					if (!columnHidden) {
						boolean columnEditable = !userAccessService.isVetoed(Group.DTO, Action.NONEDITABLE ,dtoName, dtoProperty);
						boolean columnEnabled = !userAccessService.isVetoed(Group.DTO, Action.DISABLED ,dtoName, dtoProperty);
						column.setEditable(columnEditable && columnEnabled);
					} else {
						column.setHidden(columnHidden);
					}
				}
			}
		}
		return grid;
	}

}