package org.openslx.dozmod.gui.window;
import java.awt.Color;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JOptionPane;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
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.LecturePermissions;
import org.openslx.bwlp.thrift.iface.LectureRead;
import org.openslx.bwlp.thrift.iface.LectureWrite;
import org.openslx.bwlp.thrift.iface.UserInfo;
import org.openslx.dozmod.gui.Gui;
import org.openslx.dozmod.gui.MainWindow;
import org.openslx.dozmod.gui.helper.DateTimeHelper;
import org.openslx.dozmod.gui.helper.MessageType;
import org.openslx.dozmod.gui.helper.UiFeedback;
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.permissions.PermissionDefaultToCustomLink;
import org.openslx.dozmod.thrift.Session;
import org.openslx.dozmod.thrift.ThriftActions;
import org.openslx.dozmod.thrift.ThriftActions.LectureMetaCallback;
import org.openslx.dozmod.thrift.ThriftError;
import org.openslx.dozmod.thrift.cache.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 implements UiFeedback {
private static final Logger LOGGER = Logger.getLogger(LectureDetailsWindow.class);
/**
* Self-reference
*/
private final LectureDetailsWindow me = this;
/**
* Callback interface to refresh lecture list after changing lecture details
*/
public interface LectureUpdatedCallback {
public void updated(boolean success);
}
/**
* Callback to be called when changing lecture details on the server
*/
private LectureUpdatedCallback callback = null;
/**
* Lecture that this window shows the details of
*/
private LectureRead lecture = null;
/**
* The custom permissions of the lecture
*/
private Map<String, LecturePermissions> permissionMap;
/**
* Image, that the lecture is linked to.
*/
private ImageDetailsRead image = null;
/**
* Whether the custom permission window has been used.
*/
private boolean permissionsChanged = false;
private Task dateChecker;
private boolean reactive = false;
/**
* Constructor
*
* @param modalParent parent of this popup window
*/
public LectureDetailsWindow(Frame modalParent, LectureUpdatedCallback callback) {
super(modalParent);
// save callback
this.callback = callback;
// save default color of date/time stuff to reset the background later
dateTimeTextColor = startDate.getForeground();
addWindowListener(new WindowAdapter() {
@Override
public void windowClosed(WindowEvent e) {
dateChecker.cancel();
}
});
btnLinkImage.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
}
});
/**
* Button listeners
*/
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(me,
new UserAddedCallback() {
@Override
public void userAdded(UserInfo user, UserListWindow window) {
window.dispose();
setLectureOwner(user);
}
}, "Besitzer festlegen");
}
});
btnPermissions.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
LOGGER.info(permissionMap);
LOGGER.info(lecture.defaultPermissions);
PermissionDefaultToCustomLink<LecturePermissions> pl = LectureCustomPermissionWindow.open(
me, permissionMap, lecture.defaultPermissions);
if (pl != null && pl.defaultPermissions != null && pl.customPermissions != null) {
lecture.defaultPermissions = pl.defaultPermissions;
permissionMap = pl.customPermissions;
permissionsChanged = true;
}
reactToChange();
}
});
btnSaveChanges.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
saveChanges();
}
});
btnSaveChanges.setEnabled(false);
makeEditable(false);
}
/**
* @param forceRefresh
*/
private void refresh(boolean forceRefresh) {
String lectureId = lecture.getLectureId();
synchronized (me) {
lecture = null;
}
setLecture(lectureId);
}
/**
* @param lectureId the id of the lecture to be displayed
*/
public void setLecture(final String lectureId) {
ThriftActions.getLectureWithImageDetails(JOptionPane.getFrameForComponent(me), lectureId,
new LectureMetaCallback() {
@Override
public void fetchedLectureDetails(LectureRead lectureDetails,
ImageDetailsRead imageDetails) {
synchronized (me) {
lecture = lectureDetails;
image = imageDetails;
permissionMap = ThriftActions.getLecturePermissions(
JOptionPane.getFrameForComponent(me), lecture.lectureId);
}
fill();
}
@Override
public void fetchedLecturePermissions(Map<String, LecturePermissions> permissions) {
return;
}
});
}
/**
* callback function when we received the lecture's details from the server
*/
private void fill() {
if (lecture == null || image == null)
return;
txtImageName.setText(image.getImageName());
txtTitle.setText(lecture.getLectureName());
txtDescription.setText(lecture.getDescription());
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();
for (Iterator<ImageVersionDetails> it = image.getVersions().iterator(); it.hasNext();) {
ImageVersionDetails version = it.next();
if (!version.isValid && !lecture.imageVersionId.equals(version.versionId)) {
it.remove();
}
}
// 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());
listenToChange();
makeEditable(true);
setVisible(true);
}
/**
* Sets the lecture's owner to the given user
*
* @param user UserInfo representation of the new owner
*/
private void setLectureOwner(final UserInfo user) {
if (!ThriftActions.setLectureOwner(JOptionPane.getFrameForComponent(this), lecture.getLectureId(),
user)) {
return;
}
// success
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);
}
/**
* 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;
}
ThriftActions.initDownload(JOptionPane.getFrameForComponent(this), lecture.imageVersionId,
image.imageName, image.virtId, versionSize, null);
}
/**
* Push the changes of the image details to the satellite
*/
private void saveChanges() {
// date valid TODO sat max time
if (!isPeriodValid(DateTimeHelper.getDateFrom(startDate, startTime),
DateTimeHelper.getDateFrom(endDate, endTime), true)) {
return;
}
// first build the ImageBaseWrite from the GUI fields
final LectureWrite lectureWrite = new LectureWrite(txtTitle.getText(), txtDescription.getText(),
lecture.getImageVersionId(), btnAutoUpdate.isSelected(), btnIsActive.isSelected(),
DateTimeHelper.getDateFrom(startDate, startTime).getTime() / 1000L,
DateTimeHelper.getDateFrom(endDate, endTime).getTime() / 1000L, null, null,
btnIsExam.isSelected(), btnHasInternetAccess.isSelected(), lecture.getDefaultPermissions());
// now trigger the actual action
btnSaveChanges.setEnabled(false);
try {
ThriftManager.getSatClient().updateLecture(Session.getSatelliteToken(), lecture.getLectureId(),
lectureWrite);
} catch (TException e) {
ThriftError.showMessage(JOptionPane.getFrameForComponent(this), LOGGER, e,
"Fehler beim Updaten der Veranstaltung");
callback.updated(true);
return;
}
if (permissionsChanged) {
try {
ThriftManager.getSatClient().writeLecturePermissions(Session.getSatelliteToken(),
lecture.lectureId, permissionMap);
permissionsChanged = false;
} catch (TException e) {
LOGGER.error("Fehler beim Übertragen der Berechtigungen: ", e);
}
}
btnSaveChanges.setEnabled(true);
refresh(true);
callback.updated(true);
// success
}
private void listenToChange() {
if (reactive)
return;
// final step, add listeners to react to change
final DocumentListener docListener = new DocumentListener() {
@Override
public void removeUpdate(DocumentEvent e) {
changedUpdate(e);
}
@Override
public void insertUpdate(DocumentEvent e) {
changedUpdate(e);
}
@Override
public void changedUpdate(DocumentEvent e) {
reactToChange();
}
};
txtTitle.getDocument().addDocumentListener(docListener);
txtDescription.getDocument().addDocumentListener(docListener);
// Comboboxes
final ItemListener comboItemListener = new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
reactToChange();
}
}
};
cboVersions.addItemListener(comboItemListener);
// Listener to detect changes in checkboxes
final ActionListener checkBoxListener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
reactToChange();
}
};
btnAutoUpdate.addActionListener(checkBoxListener);
btnIsExam.addActionListener(checkBoxListener);
btnHasInternetAccess.addActionListener(checkBoxListener);
btnIsActive.addActionListener(checkBoxListener);
dateChecker = new Task() {
@Override
public void fire() {
reactToChange();
}
};
QuickTimer.scheduleAtFixedRate(dateChecker, 1000, 1000);
reactive = true;
}
private boolean isPeriodValid(final Date start, final Date end, boolean feedback) {
if (start == null || end == null)
return false;
// analyse time stuff to see if its valid
if (start.after(end)) {
startDate.setForeground(Color.red);
if (feedback)
Gui.showMessageBox(me, "Startzeit is nach Endzeit!", MessageType.ERROR, LOGGER, null);
} else {
startDate.setForeground(dateTimeTextColor);
final Date now = new Date();
if (now.after(end)) {
if (feedback)
Gui.showMessageBox(me, "Endzeit liegt in die Vergangenheit!", MessageType.ERROR, LOGGER,
null);
endDate.setForeground(Color.red);
} else {
endDate.setForeground(dateTimeTextColor);
return true;
}
}
return false;
}
/**
* Checks whether the user changed any fields of the image details and
* enables the save button if so.
*/
private void reactToChange() {
boolean changed = false;
// version checkbox changed?
ImageVersionDetails currentVersion = cboVersions.getItemAt(cboVersions.getSelectedIndex());
if (currentVersion != null && !currentVersion.getVersionId().equals(lecture.getImageVersionId())) {
changed = true;
} else if ((DateTimeHelper.getDateFrom(startDate, startTime).getTime() / 1000L) != lecture.getStartTime()
|| (DateTimeHelper.getDateFrom(endDate, endTime).getTime() / 1000L) != lecture.getEndTime()) {
changed = true;
} else if (!txtTitle.getText().isEmpty() && !txtTitle.getText().equals(lecture.getLectureName())) {
changed = true;
} else if (!txtDescription.getText().isEmpty()
&& !txtDescription.getText().equals(lecture.getDescription())) {
changed = true;
} else if (btnAutoUpdate.isSelected() != lecture.autoUpdate) {
changed = true;
} else if (btnIsExam.isSelected() != lecture.isExam) {
changed = true;
} else if (btnHasInternetAccess.isSelected() != lecture.hasInternetAccess) {
changed = true;
} else if (btnIsActive.isSelected() != lecture.isEnabled) {
changed = true;
} else if (permissionsChanged) {
changed = true;
}
btnSaveChanges.setEnabled(changed);
}
/**
* 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.setEditable(editable);
txtDescription.setEditable(editable);
btnLinkImage.setEnabled(editable);
btnIsExam.setEnabled(editable);
btnAutoUpdate.setEnabled(editable);
cboVersions.setEnabled(editable && !lecture.autoUpdate);
btnChangeOwner.setEnabled(editable && LecturePerms.canAdmin(lecture));
btnPermissions.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, LectureUpdatedCallback callback) {
LectureDetailsWindow win = new LectureDetailsWindow(modalParent, callback);
win.setLecture(lectureId);
win.setVisible(true);
}
@SuppressWarnings("deprecation")
@Override
public void show() {
if (!isVisible()) {
pack();
MainWindow.centerShell(this);
}
super.show();
}
@Override
public boolean wantConfirmQuit() {
return btnSaveChanges.isEnabled();
}
@Override
public void escapePressed() {
// Also ask if applicable
this.dispose();
}
}