/**
* 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;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.velocity.VelocityContainer;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.ControllerEventListener;
import org.olat.core.gui.control.DefaultController;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.generic.closablewrapper.CloseableModalController;
import org.olat.core.gui.translator.Translator;
import org.olat.core.util.Formatter;
import org.olat.core.util.Util;
import org.olat.ims.qti.editor.beecom.objects.EssayQuestion;
import org.olat.ims.qti.editor.beecom.objects.Item;
import org.olat.ims.qti.editor.beecom.objects.Material;
/**
* Initial Date: Oct 21, 2004 <br>
*
* @author mike
*/
public class EssayItemController extends DefaultController implements ControllerEventListener {
/*
* Logging, Velocity
*/
private static final String PACKAGE = Util.getPackageName(EssayItemController.class);
private static final String VC_ROOT = Util.getPackageVelocityRoot(PACKAGE);
private VelocityContainer main;
private Translator trnsltr;
private Item item;
private EssayQuestion essayQuestion;
private QTIEditorPackage qtiPackage;
private boolean restrictedEdit;
private CloseableModalController dialogCtr;
private MaterialFormController matFormCtr;
/**
* @param item
* @param qtiPackage
* @param trnsltr
* @param wControl
*/
public EssayItemController(Item item, QTIEditorPackage qtiPackage, Translator trnsltr, WindowControl wControl, boolean restrictedEdit) {
super(wControl);
this.restrictedEdit = restrictedEdit;
this.item = item;
this.qtiPackage = qtiPackage;
this.trnsltr = trnsltr;
main = new VelocityContainer("essayitem", VC_ROOT + "/tab_essayItem.html", trnsltr, this);
essayQuestion = (EssayQuestion) item.getQuestion();
main.contextPut("question", essayQuestion);
main.contextPut("response", essayQuestion.getEssayResponse());
main.contextPut("mediaBaseURL", qtiPackage.getMediaBaseURL());
main.contextPut("isRestrictedEdit", restrictedEdit ? Boolean.TRUE : Boolean.FALSE);
setInitialComponent(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 == main) {
String cmd = event.getCommand();
if (cmd.equals("editq")) {
displayMaterialFormController(ureq, item.getQuestion().getQuestion(), restrictedEdit);
} else if (cmd.equals("sessay")) { // submit essay
// fetch columns
String sColumns = ureq.getParameter("columns_q");
int iColumns;
try {
iColumns = Integer.parseInt(sColumns);
} catch (NumberFormatException nfe) {
iColumns = 50;
getWindowControl().setWarning(trnsltr.translate("error.columns"));
}
// fetch rows
String sRows = ureq.getParameter("rows_q");
int iRows;
try {
iRows = Integer.parseInt(sRows);
} catch (NumberFormatException nfe) {
iRows = 5;
getWindowControl().setWarning(trnsltr.translate("error.rows"));
}
if (restrictedEdit) {
boolean hasChange = false;
hasChange = iColumns != essayQuestion.getEssayResponse().getColumns();
hasChange = hasChange || (iRows != essayQuestion.getEssayResponse().getRows());
if (hasChange) {
NodeBeforeChangeEvent nce = new NodeBeforeChangeEvent();
nce.setItemIdent(item.getIdent());
nce.setResponseIdent(essayQuestion.getEssayResponse().getIdent());
fireEvent(ureq, nce);
}
}
essayQuestion.getEssayResponse().setColumns(iColumns);
essayQuestion.getEssayResponse().setRows(iRows);
}
}
}
/**
* @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 controller, Event event) {
if (controller == matFormCtr) {
if (event instanceof QTIObjectBeforeChangeEvent) {
QTIObjectBeforeChangeEvent qobce = (QTIObjectBeforeChangeEvent) event;
NodeBeforeChangeEvent nce = new NodeBeforeChangeEvent();
nce.setNewQuestionMaterial(qobce.getContent());
nce.setItemIdent(item.getIdent());
nce.setQuestionIdent(item.getQuestion().getQuestion().getId());
nce.setMatIdent(qobce.getId());
fireEvent(ureq, nce);
} else if (event == Event.DONE_EVENT || event == Event.CANCELLED_EVENT) {
if (event == Event.DONE_EVENT) {
qtiPackage.serializeQTIDocument();
// force rerendering of view
main.setDirty(true);
}
// dispose controllers
dialogCtr.deactivate();
dialogCtr.dispose();
dialogCtr = null;
matFormCtr.dispose();
matFormCtr = null;
}
} else if (controller == dialogCtr) {
if (event == Event.CANCELLED_EVENT) {
dialogCtr.dispose();
dialogCtr = null;
matFormCtr.dispose();
matFormCtr = null;
}
}
}
/**
* Displays the MaterialFormController in a closable box.
*
* @param ureq
* @param mat
*/
private void displayMaterialFormController(UserRequest ureq, Material mat, boolean isRestrictedEditMode) {
matFormCtr = new MaterialFormController(ureq, getWindowControl(), mat, qtiPackage, isRestrictedEditMode);
matFormCtr.addControllerListener(this);
dialogCtr = new CloseableModalController(getWindowControl(), "close", matFormCtr.getInitialComponent());
matFormCtr.addControllerListener(dialogCtr);
dialogCtr.activate();
}
/**
* @see org.olat.core.gui.control.DefaultController#doDispose(boolean)
*/
protected void doDispose() {
main = null;
item = null;
trnsltr = null;
if (dialogCtr != null) {
dialogCtr.dispose();
dialogCtr = null;
}
if (matFormCtr != null) {
matFormCtr.dispose();
matFormCtr = null;
}
}
}