/**
* <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.course.nodes.info;
import java.text.DateFormat;
import java.util.List;
import java.util.Locale;
import org.apache.commons.lang.StringEscapeUtils;
import org.olat.commons.info.manager.InfoMessageFrontendManager;
import org.olat.commons.info.model.InfoMessage;
import org.olat.core.CoreSpringFactory;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.table.BaseTableDataModelWithoutFilter;
import org.olat.core.gui.components.table.ColumnDescriptor;
import org.olat.core.gui.components.table.CustomCellRenderer;
import org.olat.core.gui.components.table.CustomRenderColumnDescriptor;
import org.olat.core.gui.components.table.TableController;
import org.olat.core.gui.components.table.TableGuiConfiguration;
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.gui.render.Renderer;
import org.olat.core.gui.render.StringOutput;
import org.olat.core.helpers.Settings;
import org.olat.core.id.OLATResourceable;
import org.olat.core.id.context.BusinessControlFactory;
import org.olat.core.id.context.ContextEntry;
import org.olat.core.util.Formatter;
import org.olat.core.util.StringHelper;
import org.olat.core.util.resource.OresHelper;
import org.olat.course.CourseModule;
import org.olat.course.nodes.InfoCourseNode;
import org.olat.course.run.userview.UserCourseEnvironment;
/**
*
* Description:<br>
* Peekview for info messages
*
* <P>
* Initial Date: 3 aug. 2010 <br>
* @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
*/
public class InfoPeekViewController extends BasicController {
private OLATResourceable ores;
private final InfoCourseNode courseNode;
private TableController tableController;
public InfoPeekViewController(UserRequest ureq, WindowControl wControl, UserCourseEnvironment userCourseEnv,
InfoCourseNode courseNode) {
super(ureq, wControl);
this.courseNode = courseNode;
Long resId = userCourseEnv.getCourseEnvironment().getCourseResourceableId();
ores = OresHelper.createOLATResourceableInstance(CourseModule.class, resId);
init(ureq);
putInitialPanel(tableController.getInitialComponent());
}
private void init(UserRequest ureq) {
TableGuiConfiguration tableConfig = new TableGuiConfiguration();
tableConfig.setTableEmptyMessage(translate("peekview.noInfos"));
tableConfig.setDisplayTableHeader(false);
tableConfig.setCustomCssClass("o_portlet_table");
tableConfig.setDisplayRowCount(false);
tableConfig.setPageingEnabled(false);
tableConfig.setDownloadOffered(false);
tableConfig.setSortingEnabled(false);
removeAsListenerAndDispose(tableController);
tableController = new TableController(tableConfig, ureq, getWindowControl(), getTranslator());
tableController.addColumnDescriptor(new CustomRenderColumnDescriptor("peekview.title", 0,
null, ureq.getLocale(), ColumnDescriptor.ALIGNMENT_LEFT, new InfoNodeRenderer()));
String resSubPath = this.courseNode.getIdent();
InfoMessageFrontendManager infoService = CoreSpringFactory.getImpl(InfoMessageFrontendManager.class);
List<InfoMessage> infos = infoService.loadInfoMessageByResource(ores, resSubPath, null, null, null, 0, 5);
InfosTableModel model = new InfosTableModel(infos);
tableController.setTableDataModel(model);
listenTo(tableController);
}
@Override
protected void doDispose() {
//
}
@Override
protected void event(UserRequest ureq, Component source, Event event) {
//
}
private class InfosTableModel extends BaseTableDataModelWithoutFilter<InfosTableModel> {
private final List<InfoMessage> infos;
public InfosTableModel(List<InfoMessage> infos) {
this.infos = infos;
}
@Override
public int getColumnCount() {
return 1;
}
@Override
public int getRowCount() {
return infos.size();
}
@Override
public Object getValueAt(int row, int col) {
InfoMessage info = infos.get(row);
switch(col) {
case 0: return info;
default: return null;
}
}
}
public String getUrl(String businessPath) {
BusinessControlFactory bCF = BusinessControlFactory.getInstance();
List<ContextEntry> ceList = bCF.createCEListFromString(businessPath);
StringBuilder retVal = new StringBuilder();
retVal.append(Settings.getServerContextPathURI()).append("/url/");
for (ContextEntry contextEntry : ceList) {
String ceStr = contextEntry.toString();
ceStr = ceStr.replace(':', '/');
ceStr = ceStr.replaceFirst("\\]", "/");
ceStr= ceStr.replaceFirst("\\[", "");
retVal.append(ceStr);
}
return retVal.substring(0, retVal.length() - 1);
}
public class InfoNodeRenderer implements CustomCellRenderer {
private DateFormat formatter;
public InfoNodeRenderer() {
//
}
@Override
public void render(StringOutput sb, Renderer renderer, Object val, Locale locale, int alignment, String action) {
if(val instanceof InfoMessage) {
InfoMessage item = (InfoMessage)val;
//date
if(formatter == null) {
formatter = DateFormat.getDateInstance(DateFormat.MEDIUM, locale);
}
sb.append(formatter.format(item.getCreationDate())).append(": ");
//title
boolean tooltip = StringHelper.containsNonWhitespace(item.getMessage());
if(tooltip) {
String message = Formatter.escWithBR(Formatter.truncate(item.getMessage(), 255)).toString();
sb.append("<span title=\"").append(StringEscapeUtils.escapeHtml(message)).append("\">");
} else {
sb.append("<span>");
}
String title = StringHelper.escapeHtml(item.getTitle());
title = Formatter.truncate(title, 64);
sb.append(title).append("</span> ");
//link
if(StringHelper.containsNonWhitespace(item.getBusinessPath())) {
String url = getUrl(item.getBusinessPath());
sb.append("<a href=\"").append(url).append("\" class=\"o_peekview_infomsg_link\">")
.append(translate("peekview.more"))
.append("</a>");
}
} else {
sb.append("-");
}
}
}
}