QuotaController.java

/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <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>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.
*/

package org.olat.admin.quota;

import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.link.Link;
import org.olat.core.gui.components.link.LinkFactory;
import org.olat.core.gui.components.panel.Panel;
import org.olat.core.gui.components.table.DefaultColumnDescriptor;
import org.olat.core.gui.components.table.StaticColumnDescriptor;
import org.olat.core.gui.components.table.Table;
import org.olat.core.gui.components.table.TableController;
import org.olat.core.gui.components.table.TableEvent;
import org.olat.core.gui.components.table.TableGuiConfiguration;
import org.olat.core.gui.components.velocity.VelocityContainer;
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.logging.OLATSecurityException;
import org.olat.core.util.vfs.Quota;
import org.olat.core.util.vfs.QuotaManager;

/**
 * Description:<br>
 * This controller shows the list of all quotas in the system and offers an
 * editor to edit the quotas or to create a new one.
 * 
 * @author Felix Jost
 */
public class QuotaController extends BasicController {

	private VelocityContainer myContent;
	private QuotaTableModel quotaTableModel;

	private GenericQuotaEditController quotaEditCtr;
	private Panel main;
	private TableController tableCtr;
	private Link addQuotaButton;

	/**
	 * @param ureq
	 * @param wControl
	 */
	public QuotaController(UserRequest ureq, WindowControl wControl) {
		super(ureq, wControl);

		QuotaManager qm = QuotaManager.getInstance();
		if (!qm.hasQuotaEditRights(ureq.getIdentity()))
			throw new OLATSecurityException("Insufficient permissions to access QuotaController");

		main = new Panel("quotamain");
		myContent = createVelocityContainer("index");
		addQuotaButton = LinkFactory.createButton("qf.new", myContent, this);

		TableGuiConfiguration tableConfig = new TableGuiConfiguration();
		tableCtr = new TableController(tableConfig, ureq, getWindowControl(), getTranslator());
		listenTo (tableCtr);

		quotaTableModel = new QuotaTableModel();
		tableCtr.addColumnDescriptor(new DefaultColumnDescriptor("table.header.path", 0, null, getLocale()));
		tableCtr.addColumnDescriptor(new DefaultColumnDescriptor("table.header.quota", 1, null, getLocale()));
		tableCtr.addColumnDescriptor(new DefaultColumnDescriptor("table.header.limit", 2, null, getLocale()));
		tableCtr.addColumnDescriptor(new StaticColumnDescriptor("qf.edit", "table.action", translate("edit")));
		tableCtr.addColumnDescriptor(new StaticColumnDescriptor("qf.del", "table.action", translate("delete")));
		tableCtr.setTableDataModel(quotaTableModel);
		
		myContent.put("quotatable", tableCtr.getInitialComponent());
		main.setContent(myContent);

		putInitialPanel(main);
	}

	/**
	 * @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)
	 */
	public void event(UserRequest ureq, Component source, Event event) {
		if(source == addQuotaButton){
			// clean up old controller first
			if (quotaEditCtr != null) removeAsListenerAndDispose(quotaEditCtr);
			// start edit workflow in dedicated quota edit controller
			removeAsListenerAndDispose(quotaEditCtr);
			quotaEditCtr = new GenericQuotaEditController(ureq, getWindowControl(), null);
			listenTo(quotaEditCtr);
			main.setContent(quotaEditCtr.getInitialComponent());
		}
	}

	/**
	 * @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest, org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
	 */
	public void event(UserRequest ureq, Controller source, Event event) {
		if (source == quotaEditCtr) {
			if (event == Event.CHANGED_EVENT) {
				quotaTableModel.refresh();
				tableCtr.setTableDataModel(quotaTableModel);
			}
			// else cancel event. in any case set content to list
			main.setContent(myContent);
		}

		if (source == tableCtr && event.getCommand().equals(Table.COMMANDLINK_ROWACTION_CLICKED)) {
				TableEvent te = (TableEvent)event;
				Quota q = quotaTableModel.getRowData(te.getRowId());
				if (te.getActionId().equals("qf.edit")) {
					// clean up old controller first
					// start edit workflow in dedicated quota edit controller
					removeAsListenerAndDispose(quotaEditCtr);
					quotaEditCtr = new GenericQuotaEditController(ureq, getWindowControl(), q);
					listenTo(quotaEditCtr);
					main.setContent(quotaEditCtr.getInitialComponent());

				} else if (te.getActionId().equals("qf.del")) {
					// try to delete quota
					boolean deleted = QuotaManager.getInstance().deleteCustomQuota(q);
					if (deleted) {
						quotaTableModel.refresh();
						tableCtr.setTableDataModel(quotaTableModel);
						showInfo("qf.deleted", q.getPath());
					} else {
						// default quotas can not be qf.cannot.del.default")deleted
						showError("qf.cannot.del.default");
					}
				}
			}
		}

		/**
		 * 
		 * @see org.olat.core.gui.control.DefaultController#doDispose(boolean)
		 */
		protected void doDispose() {
			//
		}
	}