CmdAddToEPortfolioImpl.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.ui.artefacts.collect;

import org.olat.core.CoreSpringFactory;
import org.olat.core.commons.modules.bc.commands.CmdAddToEPortfolio;
import org.olat.core.commons.modules.bc.commands.FolderCommandHelper;
import org.olat.core.commons.modules.bc.commands.FolderCommandStatus;
import org.olat.core.commons.modules.bc.components.FolderComponent;
import org.olat.core.commons.modules.bc.components.ListRenderer;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.controller.BasicController;
import org.olat.core.gui.translator.Translator;
import org.olat.core.util.FileUtils;
import org.olat.core.util.StringHelper;
import org.olat.core.util.vfs.VFSItem;
import org.olat.modules.portfolio.MediaHandler;
import org.olat.modules.portfolio.PortfolioService;
import org.olat.modules.portfolio.PortfolioV2Module;
import org.olat.modules.portfolio.handler.FileHandler;
import org.olat.modules.portfolio.handler.ImageHandler;
import org.olat.modules.portfolio.ui.wizard.CollectArtefactController;
import org.olat.portfolio.EPArtefactHandler;
import org.olat.portfolio.PortfolioModule;
import org.olat.portfolio.model.artefacts.AbstractArtefact;
import org.olat.portfolio.model.artefacts.FileArtefact;

/**
 * Description:<br>
 * wrapper for the old folder-architecture to handle clicks on ePortfolio-add in
 * folder
 * 
 * <P>
 * Initial Date: 03.09.2010 <br>
 * 
 * @author Roman Haag, roman.haag@frentix.com, http://www.frentix.com
 */
public class CmdAddToEPortfolioImpl extends BasicController implements CmdAddToEPortfolio {

	private int status;
	private VFSItem currentItem;
	private PortfolioModule portfolioModule;
	private PortfolioV2Module portfolioV2Module;
	
	private Controller collectStepsCtrl;

	public CmdAddToEPortfolioImpl(UserRequest ureq, WindowControl wControl) {
		super(ureq, wControl);
		portfolioModule = CoreSpringFactory.getImpl(PortfolioModule.class);
		portfolioV2Module = CoreSpringFactory.getImpl(PortfolioV2Module.class);
	}

	/**
	 * might return NULL!, if item clicked was removed meanwhile or if portfolio is disabled or if only the folder-artefact-handler is disabled.
	 * 
	 * @see org.olat.core.commons.modules.bc.commands.FolderCommand#execute(org.olat.core.commons.modules.bc.components.FolderComponent,
	 *      org.olat.core.gui.UserRequest,
	 *      org.olat.core.gui.control.WindowControl,
	 *      org.olat.core.gui.translator.Translator)
	 */
	@Override
	public Controller execute(FolderComponent folderComponent, UserRequest ureq, WindowControl wControl, Translator translator) {
		String pos = ureq.getParameter(ListRenderer.PARAM_EPORT);
		if (!StringHelper.containsNonWhitespace(pos)) {
			// somehow parameter did not make it to us
			status = FolderCommandStatus.STATUS_FAILED;
			getWindowControl().setError(translator.translate("failed"));
			return null;
		}

		status = FolderCommandHelper.sanityCheck(wControl, folderComponent);
		if (status == FolderCommandStatus.STATUS_SUCCESS) {
			currentItem = folderComponent.getCurrentContainerChildren().get(Integer.parseInt(pos));
			status = FolderCommandHelper.sanityCheck2(wControl, folderComponent, currentItem);
		}
		if (status == FolderCommandStatus.STATUS_FAILED) {
			return null;
		}
		
		if(portfolioV2Module.isEnabled()) {
			PortfolioService portfolioService = CoreSpringFactory.getImpl(PortfolioService.class);
			
			MediaHandler handler = null;
			
			String extension = FileUtils.getFileSuffix(currentItem.getName());
			if(StringHelper.containsNonWhitespace(extension)) {
				if("jpg".equalsIgnoreCase(extension) || "jpeg".equalsIgnoreCase(extension)
						|| "png".equalsIgnoreCase(extension) || "gif".equalsIgnoreCase(extension)) {
					handler = portfolioService.getMediaHandler(ImageHandler.IMAGE_TYPE);
				}
				//TODO video
			}
			
			if(handler == null) {
				handler = portfolioService.getMediaHandler(FileHandler.FILE_TYPE);
			}
			collectStepsCtrl = new CollectArtefactController(ureq, wControl, currentItem, handler, "");
		} else {
			EPArtefactHandler<?> artHandler = portfolioModule.getArtefactHandler(FileArtefact.FILE_ARTEFACT_TYPE);
			AbstractArtefact artefact = artHandler.createArtefact();
			artHandler.prefillArtefactAccordingToSource(artefact, currentItem);
			artefact.setAuthor(getIdentity());

			collectStepsCtrl = new ArtefactWizzardStepsController(ureq, wControl, artefact, currentItem.getParentContainer());
		}

		return collectStepsCtrl;
	}

	/**
	 * @see org.olat.core.commons.modules.bc.commands.FolderCommand#getStatus()
	 */
	@Override
	public int getStatus() {
		return status;
	}

	/**
	 * @see org.olat.core.commons.modules.bc.commands.FolderCommand#runsModal()
	 */
	@Override
	public boolean runsModal() {
		return true;
	}

	@Override
	public String getModalTitle() {
		return null;
	}

	/**
	 * @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
	 *      org.olat.core.gui.components.Component,
	 *      org.olat.core.gui.control.Event)
	 */
	@Override
	protected void event(UserRequest ureq, Component source, Event event) {
		// none
	}

	/**
	 * @see org.olat.core.gui.control.DefaultController#doDispose()
	 */
	@Override
	protected void doDispose() {
		if (collectStepsCtrl != null) {
			collectStepsCtrl.dispose();
			collectStepsCtrl = null;
		}
	}

}