/**
* 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.
* <p>
*/
package org.olat.ims.qti.editor.tree;
import java.util.List;
import org.olat.core.gui.components.tree.GenericTreeModel;
import org.olat.ims.qti.editor.QTIEditorPackage;
import org.olat.ims.qti.editor.beecom.objects.Assessment;
import org.olat.ims.qti.editor.beecom.objects.Item;
import org.olat.ims.qti.editor.beecom.objects.Section;
/**
* The QTIEditorTreeModel reflects the IMS QTI Standard tree within OLAT
* Initial Date: Nov 11, 2004 <br>
* @author patrick
*/
public class QTIEditorTreeModel extends GenericTreeModel {
private QTIEditorPackage qtiPackage;
/**
* builds a TreeModel for an existing, valid QTI Document
* @param qtiPackage
*/
public QTIEditorTreeModel(QTIEditorPackage qtiPackage) {
this.qtiPackage = qtiPackage;
init();
}
/**
* @return the node as a GenericQtiNode
*/
public GenericQtiNode getQtiRootNode() {
return (GenericQtiNode) super.getRootNode();
}
/**
* @param nodeId
* @return the GenericQtiNode associated with the nodeId
*/
public GenericQtiNode getQtiNode(String nodeId) {
GenericQtiNode retVal = (GenericQtiNode) getNodeById(nodeId);
return retVal;
}
/**
* takes the assessment object tree and converts it to a QTIEditorTreeModel
*/
private void init() {
Assessment ass = qtiPackage.getQTIDocument().getAssessment();
GenericQtiNode rootNode = new AssessmentNode(ass, qtiPackage);
this.setRootNode(rootNode);
//Sections with their Items
List sections = ass.getSections();
for (int i=0; i < sections.size(); i++) {
//get section data
Section elem = (Section)sections.get(i);
GenericQtiNode sectionNode = new SectionNode(elem, qtiPackage);
List items = elem.getItems();
for (int j=0; j < items.size(); j++) {
//get item data
Item elem2 = (Item)items.get(j);
GenericQtiNode itemNode = new ItemNode(elem2, qtiPackage);
//add item to its parent section
sectionNode.addChild(itemNode);
}
//add section with its items to the rootNode
rootNode.addChild(sectionNode);
}
}
}