/**
* 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.process.elements.section;
import java.util.List;
import org.dom4j.Element;
import org.olat.ims.qti.process.QTIHelper;
import org.olat.ims.qti.process.elements.ExpressionBuilder;
/**
* enclosing_type Description:<br>
* @author Felix Jost
*/
public class QTI_or_selection implements ExpressionBuilder {
/**
* Constructor for QTI_and_selection.
*/
public QTI_or_selection() {
super();
}
/**
* @see org.olat.qti.process.elements.ExpressionBuilder#buildXPathExpression(org.dom4j.Element, java.lang.StringBuilder)
*/
public void buildXPathExpression(Element selectionElement, StringBuilder expr, boolean not_switch, boolean use_switch) {
if (use_switch && not_switch) { // treat this and node as an "or
ExpressionBuilder eb = QTIHelper.getExpressionBuilder("and_selection");
eb.buildXPathExpression(selectionElement, expr, not_switch, false);
}
else {
List elems = selectionElement.elements();
int size = elems.size(); // dtd: >0
expr.append("(");
for (int i = 0; i < size; i++) {
Element child = (Element)elems.get(i);
String name = child.getName();
ExpressionBuilder eb = QTIHelper.getExpressionBuilder(name);
eb.buildXPathExpression(child, expr, not_switch, true);
if (i < size -1) expr.append(" or ");
}
expr.append(")");
}
}
}