EPMapOnInvitationExtension.java

/**
 * <a href="http://www.openolat.org">
 * OpenOLAT - Online Learning and Training</a><br>
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); <br>
 * you may not use this file except in compliance with the License.<br>
 * You may obtain a copy of the License at the
 * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
 * <p>
 * Unless required by applicable law or agreed to in writing,<br>
 * software distributed under the License is distributed on an "AS IS" BASIS, <br>
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
 * See the License for the specific language governing permissions and <br>
 * limitations under the License.
 * <p>
 * Initial code contributed and copyrighted by<br>
 * frentix GmbH, http://www.frentix.com
 * <p>
 */
package org.olat.portfolio;

import java.util.List;

import org.olat.NewControllerFactory;
import org.olat.core.CoreSpringFactory;
import org.olat.core.commons.fullWebApp.LayoutMain3ColsController;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.id.context.ContextEntry;
import org.olat.core.id.context.ContextEntryControllerCreator;
import org.olat.core.id.context.DefaultContextEntryControllerCreator;
import org.olat.portfolio.manager.EPFrontendManager;
import org.olat.portfolio.model.structel.PortfolioStructureMap;

/**
 * Description:<br>
 * load my maps menu-entry. config here instead of xml allows en-/disabling at
 * runtime
 * 
 * <P>
 * Initial Date: 03.08.2010 <br>
 * 
 * @author Roman Haag, roman.haag@frentix.com, http://www.frentix.com
 */
public class EPMapOnInvitationExtension {

	public EPMapOnInvitationExtension() {
		NewControllerFactory.getInstance().addContextEntryControllerCreator("MapInvitation", new MapOnInvitationContextEntryControllerCreator());	
	}
	
	private static class MapOnInvitationContextEntryControllerCreator extends DefaultContextEntryControllerCreator {

		private PortfolioStructureMap map;
		
		@Override
		public ContextEntryControllerCreator clone() {
			return new MapOnInvitationContextEntryControllerCreator();
		}

		@Override
		public Controller createController(List<ContextEntry> ces, UserRequest ureq, WindowControl wControl) {
			if(!ureq.getUserSession().getRoles().isInvitee()) {
				return null;
			}
			
			PortfolioStructureMap structureMap = getMapFromContext(ces.get(0));
			EPSecurityCallback secCallback = new EPSecurityCallbackImpl(false, true);
			Controller epCtr = EPUIFactory.createMapViewController(ureq, wControl, structureMap, secCallback);
			
			LayoutMain3ColsController layoutCtr = new LayoutMain3ColsController(ureq, wControl, epCtr);
			layoutCtr.addDisposableChildController(epCtr);
			return layoutCtr;
		}

		@Override
		public String getTabName(ContextEntry ce, UserRequest ureq) {
			PortfolioStructureMap structureMap = getMapFromContext(ce);
			if(structureMap != null) {
				return structureMap.getTitle();
			}
			return null;
		}

		@Override
		public boolean validateContextEntryAndShowError(ContextEntry ce, UserRequest ureq, WindowControl wControl) {
			if(!ureq.getUserSession().getRoles().isInvitee()) {
				return false;
			}
			
			final EPFrontendManager ePFMgr = CoreSpringFactory.getImpl(EPFrontendManager.class);
			PortfolioStructureMap structureMap = getMapFromContext(ce);
			if (structureMap == null) {
				return false;
			}
			boolean visible = ePFMgr.isMapVisible(ureq.getIdentity(), structureMap.getOlatResource());
			return visible;
		}
		
		/**
		 * @param ContextEntry
		 * @return the loaded map or null if not found
		 */
		private PortfolioStructureMap getMapFromContext(final ContextEntry ce) {
			if(map == null) {
				Long mapKey = ce.getOLATResourceable().getResourceableId();
				EPFrontendManager ePFMgr = CoreSpringFactory.getImpl(EPFrontendManager.class);
				map = (PortfolioStructureMap)ePFMgr.loadPortfolioStructureByKey(mapKey);
			}
			return map;
		}
	}
}