/**
 * <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.modules.qpool.ui;

import java.util.Collection;
import java.util.List;

import org.olat.core.commons.persistence.ResultInfos;
import org.olat.core.commons.persistence.SortKey;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.WindowControl;
import org.olat.modules.qpool.QuestionItem;
import org.olat.modules.qpool.QuestionItemShort;
import org.olat.modules.qpool.QuestionItemView;

/**
 * 
 * Initial date: 12.02.2013<br>
 * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
 *
 */
public interface QuestionItemsSource {
	
	public String getName();
	
	public Controller getSourceController(UserRequest ureq, WindowControl wControl);
	
	public boolean isRemoveEnabled();
	
	public boolean isDeleteEnabled();
	
	public boolean askEditable();
	
	public int postImport(List<QuestionItem> items, boolean editable);
	
	public void removeFromSource(List<QuestionItemShort> items);
	
	public int getNumOfItems();
	
	public List<QuestionItemView> getItems(Collection<Long> keys);
	
	public ResultInfos<QuestionItemView> getItems(String query, List<String> condQueries, int firstResult, int maxResults, SortKey... orderBy);

}