package org.openslx.dozmod.gui.window;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JOptionPane;
import org.apache.log4j.Logger;
import org.apache.thrift.TException;
import org.openslx.bwlp.thrift.iface.ImageDetailsRead;
import org.openslx.bwlp.thrift.iface.ImageVersionDetails;
import org.openslx.bwlp.thrift.iface.LectureRead;
import org.openslx.bwlp.thrift.iface.UserInfo;
import org.openslx.dozmod.filetransfer.TransferHelper;
import org.openslx.dozmod.gui.Gui;
import org.openslx.dozmod.gui.MainWindow;
import org.openslx.dozmod.gui.helper.MessageType;
import org.openslx.dozmod.gui.window.UserListWindow.UserAddedCallback;
import org.openslx.dozmod.gui.window.layout.LectureDetailsWindowLayout;
import org.openslx.dozmod.permissions.LecturePerms;
import org.openslx.dozmod.thrift.Session;
import org.openslx.dozmod.thrift.ThriftError;
import org.openslx.dozmod.thrift.UserCache;
import org.openslx.dozmod.util.FormatHelper;
import org.openslx.thrifthelper.ThriftManager;
import org.openslx.util.QuickTimer;
import org.openslx.util.QuickTimer.Task;
@SuppressWarnings("serial")
public class LectureDetailsWindow extends LectureDetailsWindowLayout {
private static final Logger LOGGER = Logger.getLogger(LectureDetailsWindow.class);
private final LectureDetailsWindow me = this;
private LectureRead lecture = null;
private ImageDetailsRead image = null;
public LectureDetailsWindow(Frame modalParent) {
super(modalParent);
// Close button closes window
btnClose.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dispose();
}
});
btnDownloadImage.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
performImageDownload();
}
});
btnAutoUpdate.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
cboVersions.setEnabled(!btnAutoUpdate.isSelected());
}
});
btnChangeOwner.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
UserListWindow.open(JOptionPane.getFrameForComponent(btnChangeOwner),
new UserAddedCallback() {
@Override
public void userAdded(UserInfo user, UserListWindow window) {
window.dispose();
setLectureOwner(user);
}
}, "Besitzer festlegen");
}
});
makeEditable(false);
}
/**
* @param lectureId the id of the lecture to be displayed
*/
public void setLecture(final String lectureId) {
QuickTimer.scheduleOnce(new Task() {
@Override
public void fire() {
TException error = null;
try {
synchronized (me) {
if (lecture != null)
return;
lecture = ThriftManager.getSatClient().getLectureDetails(Session.getSatelliteToken(),
lectureId);
image = ThriftManager.getSatClient().getImageDetails(Session.getSatelliteToken(),
lecture.getImageBaseId());
}
} catch (TException e) {
error = e;
}
final TException e = error;
Gui.asyncExec(new Runnable() {
@Override
public void run() {
if (e != null || lecture == null || image == null) {
ThriftError.showMessage(btnAutoUpdate, LOGGER, e,
"Konnte Daten der Vorlesung nicht abrufen");
dispose();
} else {
fill();
}
}
});
}
});
}
/**
* callback function when we received the lecture's details from the server
*/
private void fill() {
if (lecture == null || image == null)
return;
txtTitle.setText(lecture.getLectureName());
txtDescription.setText(lecture.getDescription());
txtImageName.setText(image.getImageName());
lblOwner.setUser(UserCache.find(lecture.getOwnerId()));
lblUpdater.setUser(UserCache.find(lecture.getUpdaterId()));
lblCreateTime.setText(FormatHelper.longDate(lecture.getCreateTime()));
lblUpdateTime.setText(FormatHelper.longDate(lecture.getUpdateTime()));
lblStartTime.setText(FormatHelper.longDate(lecture.getStartTime()));
lblEndTime.setText(FormatHelper.longDate(lecture.getEndTime()));
txtId.setText(lecture.getLectureId());
btnIsActive.setSelected(lecture.isEnabled);
btnHasInternetAccess.setSelected(lecture.hasInternetAccess);
btnIsExam.setSelected(lecture.isExam);
btnAutoUpdate.setSelected(lecture.autoUpdate);
cboVersions.setEnabled(!lecture.autoUpdate);
lblUseCount.setText(Integer.toString(lecture.useCount));
// version combo
List<ImageVersionDetails> versions = image.getVersions();
// sort versions by createtime
Collections.sort(versions, new Comparator<ImageVersionDetails>() {
public int compare(ImageVersionDetails o1, ImageVersionDetails o2) {
return -Long.compare(o1.getCreateTime(), o2.getCreateTime());
}
});
cboVersions.setModel(new DefaultComboBoxModel<ImageVersionDetails>(
versions.toArray(new ImageVersionDetails[versions.size()])));
cboVersions.setSelectedItem(new ImageVersionDetails(lecture.getImageVersionId(), 0, 0, 0, null, true,
true, true, null));
Calendar startCal = Calendar.getInstance();
startCal.setTime(new Date(lecture.getStartTime() * 1000l));
startDate.getModel().setDate(startCal.get(Calendar.YEAR), startCal.get(Calendar.MONTH),
startCal.get(Calendar.DATE));
startTime.getModel().setValue(startCal.getTime());
Calendar endCal = Calendar.getInstance();
endCal.setTime(new Date(lecture.getEndTime() * 1000l));
endDate.getModel().setDate(endCal.get(Calendar.YEAR), endCal.get(Calendar.MONTH),
endCal.get(Calendar.DATE));
endTime.getModel().setValue(endCal.getTime());
makeEditable(true);
pack();
MainWindow.centerShell(this);
setVisible(true);
}
private void setLectureOwner(final UserInfo user) {
QuickTimer.scheduleOnce(new Task() {
@Override
public void fire() {
try {
ThriftManager.getSatClient().setLectureOwner(Session.getSatelliteToken(),
lecture.getLectureId(), user.getUserId());
} catch (TException e) {
ThriftError.showMessage(me, LOGGER, e, "Fehler beim Übertragen der Besitzrechte");
return;
}
Gui.showMessageBox(me, "Besitzrechte übertragen an " + FormatHelper.userName(user),
MessageType.INFO, null, null);
makeEditable(false);
String lectureId = lecture.getLectureId();
synchronized (me) {
image = null;
lecture = null;
}
setLecture(lectureId);
}
});
}
/**
* Enables/disables the editable fields based on 'editable'
*
* @param editable true to make fields editable, false otherwise.
*/
private void makeEditable(boolean editable) {
editable = editable && LecturePerms.canEdit(lecture);
//txtTitle.setEnabled(editable);
txtDescription.setEditable(editable);
btnLinkImage.setEnabled(editable);
btnIsExam.setEnabled(editable);
btnAutoUpdate.setEnabled(editable);
cboVersions.setEnabled(editable && !lecture.autoUpdate);
btnSaveChanges.setEnabled(editable);
btnChangeOwner.setEnabled(editable && LecturePerms.canAdmin(lecture));
startDate.setEnabled(editable); // TODO
startTime.setEnabled(editable);
endDate.setEnabled(editable); // TODO
endTime.setEnabled(editable);
}
/**
* Opens a new LectureDetailsWindow showing the details of the
* lecture with ID = lectureId
*
* @param modalParent parent of this window
* @param lectureId id of the lecture to set the details of
*/
public static void open(Frame modalParent, String lectureId) {
LectureDetailsWindow win = new LectureDetailsWindow(modalParent);
win.setLecture(lectureId);
}
/**
* Triggers the download of the currently used image version of the lecture
*/
private void performImageDownload() {
if (image == null){
Gui.showMessageBox(this, "Image ungültig.", MessageType.ERROR,
null, null);
return;
}
btnDownloadImage.setEnabled(false);
long versionSize = 0;
for (ImageVersionDetails version : image.versions) {
if(version.versionId.equals(lecture.imageVersionId)){
versionSize = version.fileSize;
}
}
if (versionSize == 0){
Gui.showMessageBox(this, "Fehler bei der Abfrag der Größe des Images.", MessageType.ERROR,
null, null);
return;
}
TransferHelper.initDownload(JOptionPane.getFrameForComponent(this), lecture.imageVersionId,
image.imageName, image.virtId, versionSize, null);
}
}
