path: root/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java

package org.openslx.dozmod.gui.window;

import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import org.apache.log4j.Logger;
import org.openslx.bwlp.thrift.iface.ImageDetailsRead;
import org.openslx.bwlp.thrift.iface.LectureRead;
import org.openslx.bwlp.thrift.iface.OperatingSystem;
import org.openslx.bwlp.thrift.iface.Virtualizer;
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.layout.LectureDetailsWindowLayout;
import org.openslx.dozmod.permissions.ImagePerms;
import org.openslx.dozmod.thrift.MetaDataCache;
import org.openslx.dozmod.thrift.Session;
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;

	public LectureDetailsWindow(Frame modalParent) {
		super(modalParent);

		// Close button closes window
		btnClose.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				dispose();
			}
		});
		// ESC closes this window
		addKeyListener(new KeyAdapter() {
			@Override
			public void keyPressed(KeyEvent e) {
				LOGGER.debug("he");
				if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
					dispose();
				}
			}
		});
		setFocusable(true);
	}

	/**
	 * @param lectureId the id of the image to be displayed
	 */
	public void setLecture(final String lectureId) {

		QuickTimer.scheduleOnce(new Task() {
			@Override
			public void fire() {
				Exception error = null;
				try {
					synchronized (me) {
						if (lecture != null)
							return;
						lecture = ThriftManager.getSatClient().getLectureDetails(Session.getSatelliteToken(), lectureId);
					}
				} catch (Exception e) {
					error = e;
				}
				final Exception e = error;
				Gui.asyncExec(new Runnable() {
					@Override
					public void run() {
						if (e != null || lecture == null) {
							Gui.showMessageBox(null, "Konnte Daten der Vorlesung nicht abrufen",
									MessageType.ERROR, LOGGER, e);
							dispose();
						} else {
							fill();
						}
					}
				});
			}
		});
	}

	/**
	 * callback function when we received the image's details from the server
	 */
	private void fill() {
		if (lecture == null)
			return;
		txtTitle.setText(lecture.getLectureName());
		txtDescription.setText(lecture.getDescription());
		if (lecture.image != null)
			txtImageName.setText(lecture.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());

		btnIsEnabled.setSelected(lecture.isEnabled);
		btnIsExam.setSelected(lecture.isExam);
		// TODO grey out non editable components
		//makeEditable(ImagePerms.canEdit(lecture));
		pack();
		MainWindow.centerShell(this);
		setVisible(true);
	}

	/**
	 * Enables/disables the editable fields based on 'editable'
	 * 
	 * @param editable true to make fields editable, false otherwise.
	 */
	private void makeEditable(boolean editable) {
		txtTitle.setEnabled(editable);
		txtDescription.setEnabled(editable);
		txtId.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);
	}
}