summaryrefslogtreecommitdiffstats
path: root/dozentenmodul/src/main/java/gui/image/FTPEditUploader_GUI.java
blob: 27f3d7ceaa8b753f1e020f10451cbfda3968d7f3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
package gui.image;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.SystemColor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JSeparator;
import javax.swing.JTextPane;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.event.InternalFrameAdapter;
import javax.swing.event.InternalFrameEvent;
import javax.swing.filechooser.FileNameExtensionFilter;

import models.Image;
import models.RightsManagement;
import models.SessionData;
import models.person;

import org.apache.log4j.Logger;
import org.apache.thrift.TException;
import org.openslx.sat.thrift.iface.TransferInformation;
import org.openslx.thrifthelper.ThriftManager;

import util.GuiManager;
import util.MessageType;
import config.Config;
import ftp.UploadTask;
import gui.intro.MainMenue_GUI;

@SuppressWarnings("serial")
public class FTPEditUploader_GUI extends JInternalFrame implements PropertyChangeListener {

	/**
	 * Logger instance for this class.
	 */
	private final static Logger LOGGER = Logger.getLogger(FTPEditUploader_GUI.class);

	private final JPanel contentPanel = new JPanel();
	private JLabel lblPath;
	private JProgressBar progressBar;
	private String host = SessionData.serverAdress;
	private File uploadFile;
	private UploadTask task = null;
	private JLabel lblUpSpeed;
	private JLabel lblFertig;
	private JLabel lblFilesize;
	private JLabel lblZeit;
	private JLabel lblVerbleibend;
	private JFileChooser fc;
	private long filesize;
	private double speed;
	private long bytesread;
	private int progress = 0;
	private JButton btnUploadStarten = new JButton("Upload auf Server starten");
	private JButton btnSpeicherortAuswhlen = new JButton("Image auswählen");
	private JButton btnFinish = new JButton("Fertigstellen");
	private JButton btnZurck = new JButton("Zurück");
	private JButton btnUploadStoppen = new JButton("Upload abbrechen");
	private TransferInformation transferInfo = null;
	// file
	private boolean isAborted = false; // down- or upload was manually aborted
	public static final String HELP_MESSAGE = "<html><div align = \"center\">"
			+ "Laden Sie hier Ihre bearbeitete .vmdk-Datei hoch, die dann als virtuelles Labor geladen werden kann.<br />"
			+ "Wichtig ist, dass Sie zum Schluss auf \"Fertigstellen\" klicken, damit die Daten übernommen werden.<br />"
			+ "Wenn Sie die Datei hochgeladen haben, dann aber auf \"zurück\" klicken, oder die Anwendung beenden,<br />"
			+ "werden die Änderungen NICHT übernommen und auch die .vmdk-Datei wird nicht aktiv geschaltet."
			+ "</div></html>";

	/**
	 * Create the frame.
	 */
	public FTPEditUploader_GUI() {

		final String[] options = { "Beenden", "Abbrechen" };
		addInternalFrameListener(new InternalFrameAdapter() {
			@Override
			public void internalFrameClosing(InternalFrameEvent arg0) {
				if (!isCurrentlyLoading())
					return;
				// check if user wants to quit.
				int choice = JOptionPane.showOptionDialog(
						null,
						"Aktuell ist ein Upload aktiv. Wollen Sie diesen Abbrechen und das Programm beenden?",
						"Upload aktiv", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null,
						options, options[1]);
				// 0=beenden, 1=abbrechen
				if (choice == 0) {
					try {
						ThriftManager.getSatClient().cancelDownload(transferInfo.token);
						ThriftManager.getSatClient().setSessionInvalid(SessionData.authToken);
					} catch (TException e1) {
					}
					task.cancel(true);
					System.exit(0);
				}// end if choice
			}
		});
		setResizable(false);
		// Aktion die beim Schliessen durchgefuehrt werden soll
		setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);

		setBackground(Color.WHITE);
		setTitle("Dozentenmodul - Image bearbeiten  - " + person.verantwortlicher.getUserID());

		setBounds(0, 0, 603, 722);

		getContentPane().setLayout(new BorderLayout());
		contentPanel.setBackground(SystemColor.menu);
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		contentPanel.setLayout(null);
		{

			btnSpeicherortAuswhlen.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					fc = new JFileChooser(Config.getLastUploadPath());
					fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
					FileNameExtensionFilter filter = new FileNameExtensionFilter("VMDK-Container", "vmdk");
					fc.setFileFilter(filter);

					fc.showOpenDialog(getParent());
					File file = fc.getSelectedFile();
					// check if a file is selected and exists
					if (file != null) {
						// file selected
						uploadFile = file;
						uploadFile.getName();
						lblPath.setText(file.getAbsolutePath());
					} else {
						// no file selected
						lblPath.setText("");
					}// end if
				}
			});

			btnSpeicherortAuswhlen.setBounds(102, 162, 173, 23);
			btnSpeicherortAuswhlen.setVerticalAlignment(SwingConstants.TOP);
			contentPanel.add(btnSpeicherortAuswhlen);
		}

		lblPath = new JLabel("");
		lblPath.setText(Config.getLastUploadPath());

		lblPath.addPropertyChangeListener(new PropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent arg0) {
				if (lblPath.getText().trim().isEmpty()) {
					// wenn leer, dann upload button nicht freigeben
					btnUploadStarten.setEnabled(false);
					btnUploadStarten.setText("Bitte warten");
				} else if (lblPath.getText().trim().endsWith(".vmdk")) {
					// wenn leer, dann upload button freigeben
					btnUploadStarten.setEnabled(true);
					btnUploadStarten.setText("Upload auf Server starten");
				}
			}
		});
		lblPath.setBounds(102, 196, 485, 23);
		contentPanel.add(lblPath);

		btnUploadStarten.setEnabled(false);
		btnUploadStarten.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				buttonUploadActionPerformed(arg0);

			}
		});

		btnUploadStarten.setBounds(102, 238, 173, 23);
		contentPanel.add(btnUploadStarten);

		progressBar = new JProgressBar(0, 100);
		progressBar.setStringPainted(true);

		progressBar.setBounds(102, 272, 485, 30);
		contentPanel.add(progressBar);

		JLabel lblUploadgeschwindigkeit = new JLabel("Uploadgeschwindigkeit:");
		lblUploadgeschwindigkeit.setBounds(102, 313, 141, 14);
		contentPanel.add(lblUploadgeschwindigkeit);

		JLabel label_1 = new JLabel("Fertig:");
		label_1.setBounds(102, 363, 46, 14);
		contentPanel.add(label_1);

		lblFertig = new JLabel("0");
		lblFertig.setBounds(183, 363, 108, 14);
		contentPanel.add(lblFertig);

		lblUpSpeed = new JLabel("0");
		lblUpSpeed.setBounds(374, 313, 117, 14);
		contentPanel.add(lblUpSpeed);

		JLabel label_4 = new JLabel("von:");
		label_4.setBounds(318, 363, 46, 14);
		contentPanel.add(label_4);

		lblFilesize = new JLabel("0");
		lblFilesize.setBounds(374, 363, 117, 14);
		contentPanel.add(lblFilesize);

		JLabel label_6 = new JLabel("Verbleibend:");
		label_6.setBounds(102, 388, 71, 14);
		contentPanel.add(label_6);

		JLabel label_7 = new JLabel("Geschätzte Verbleibende Zeit:");
		label_7.setBounds(102, 338, 150, 14);
		contentPanel.add(label_7);

		lblZeit = new JLabel("0");
		lblZeit.setBounds(374, 338, 117, 14);
		contentPanel.add(lblZeit);

		lblVerbleibend = new JLabel("0");
		lblVerbleibend.setBounds(183, 388, 108, 14);
		contentPanel.add(lblVerbleibend);

		JPanel panel = new JPanel();
		panel.setLayout(null);
		panel.setBackground(SystemColor.menu);
		panel.setBounds(10, 11, 577, 73);
		contentPanel.add(panel);

		JLabel lblUploadIhresImage = new JLabel("Upload Ihres Images");
		lblUploadIhresImage.setFont(new Font("Tahoma", Font.BOLD, 18));
		lblUploadIhresImage.setBounds(10, 11, 509, 22);
		panel.add(lblUploadIhresImage);

		JTextPane txtpnFhreSieBitte = new JTextPane();
		txtpnFhreSieBitte.setText("Laden Sie optional ein neues Image hoch, oder klicken Sie direkt auf \"Fertigstellen\", um reine Änderungen der Angaben direkt zu übernehmen.");
		txtpnFhreSieBitte.setEditable(false);
		txtpnFhreSieBitte.setBackground(SystemColor.menu);
		txtpnFhreSieBitte.setBounds(10, 36, 509, 42);
		panel.add(txtpnFhreSieBitte);

		JSeparator separator = new JSeparator();
		separator.setBounds(10, 88, 597, 14);
		contentPanel.add(separator);

		JLabel lblNewLabel_1 = new JLabel("Hauptmenü");
		lblNewLabel_1.setForeground(Color.BLUE);
		lblNewLabel_1.setBounds(20, 88, 61, 20);
		contentPanel.add(lblNewLabel_1);
		lblNewLabel_1.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent arg0) {
				GuiManager.show(new MainMenue_GUI());
			}
		});

		JLabel label_3 = new JLabel(">");
		label_3.setBounds(80, 91, 14, 14);
		contentPanel.add(label_3);

		JLabel lblVlimage = new JLabel("Image");
		lblVlimage.setForeground(Color.BLUE);
		lblVlimage.setBounds(91, 88, 46, 20);
		contentPanel.add(lblVlimage);

		JLabel label_5 = new JLabel(">");
		label_5.setBounds(139, 91, 14, 14);
		contentPanel.add(label_5);

		JLabel lblNeubearbeiten = new JLabel("Bearbeiten");
		lblNeubearbeiten.setBounds(149, 91, 155, 14);
		contentPanel.add(lblNeubearbeiten);

		JSeparator separator_1 = new JSeparator();
		separator_1.setBounds(0, 627, 597, 2);
		contentPanel.add(separator_1);

		JLabel lblSchritt_1 = new JLabel("Schritt 1:");
		lblSchritt_1.setBounds(24, 166, 61, 14);
		contentPanel.add(lblSchritt_1);

		JLabel lblSchritt_2 = new JLabel("Schritt 2:");
		lblSchritt_2.setBounds(24, 242, 57, 14);
		contentPanel.add(lblSchritt_2);

		JLabel label = new JLabel("Schritt 3:");
		label.setBounds(20, 461, 57, 14);
		contentPanel.add(label);

		JLabel label_2 = new JLabel("Klicken Sie auf \"Fertigstellen\".");
		label_2.setBounds(98, 461, 241, 14);
		contentPanel.add(label_2);
		btnUploadStoppen.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {

				isAborted = true; // set flag
				try {
					ThriftManager.getSatClient().cancelDownload(transferInfo.token);
				} catch (TException e1) {
				}
				task.cancel(true);
				resetValues();

				// reset buttons
				resetButtons();

			}
		});

		btnUploadStoppen.setEnabled(false);
		btnUploadStoppen.setBounds(307, 238, 173, 23);
		contentPanel.add(btnUploadStoppen);

		JLabel lblNewLabel = new JLabel(" (opt.)");
		lblNewLabel.setBounds(20, 179, 46, 14);
		contentPanel.add(lblNewLabel);

		JLabel lblopt = new JLabel(" (opt.)");
		lblopt.setBounds(20, 257, 46, 14);
		contentPanel.add(lblopt);
		{
			JPanel buttonPane = new JPanel();
			buttonPane.setBackground(UIManager.getColor("Button.background"));
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{

				// finishButton.setEnabled(false);
				btnFinish.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent e) {

						// save data
						boolean success = updateData();
						if (!success)
							return;
						LOGGER.info("Bearbeitetes Image '" + Image.Imagename + "' erfolgreich gespeichert.");
						JOptionPane.showMessageDialog(null, "Die Änderungen wurden erfolgreich gespeichert.",
								"Änderungen gespeichert", JOptionPane.INFORMATION_MESSAGE);

						if (lblPath.getText().trim().length() > 0) {
							File f = new File(lblPath.getText().trim());

							if (f.isDirectory()) {
								Config.setLastUploadPath(f.toString());
							} else if (f.getParentFile().isDirectory()) {
								Config.setLastUploadPath(f.getParentFile().toString());
							}
						}

						Config.store();

						GuiManager.show(new MainMenue_GUI());

						if (isCurrentlyLoading()) {
							task.cancel(true);
						}

					}
				});
				btnZurck.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent arg0) {

						// check if loading file or not
						if (isCurrentlyLoading() == true) {
							int choice = JOptionPane.showOptionDialog(null,
									"Nicht abgeschlossene Uploads werden beendet. Trotzdem zurück gehen?",
									"Warnung", JOptionPane.YES_NO_CANCEL_OPTION,
									JOptionPane.QUESTION_MESSAGE, null, options, options[1]);
							// 0=beenden, 1=abbrechen
							if (choice == 0) {
								try {
									ThriftManager.getSatClient().cancelDownload(transferInfo.token);
								} catch (TException e1) {
									e1.printStackTrace();
								}
								task.cancel(true);
								// not loading files, go back one page

								try {

									if (ThriftManager.getSatClient().userIsImageAdmin(Image.ImageId,
											SessionData.authToken, person.verantwortlicher.getUserID()) == true
											|| person.verantwortlicher.getRole().equals("Admin")) {

										//user is admin and may change permissions
										GuiManager.show(new PermissionEditImage_GUI());
									} else {
										//user may not change permissions
										GuiManager.show(new EditImageTechnisch_GUI());
									}
								} catch (TException e) {
									// TODO Auto-generated catch block
									e.printStackTrace();
								}

							}// end if coice
						} else {

							int selectedOption = JOptionPane.showConfirmDialog(
									null,
									"<html>Achtung: Alle Änderungen gehen verloren!<br />Klicken Sie auf fertigstellen, wenn Sie die Änderungen dauerhaft speichern möchten.<br /><br />Möchten Sie jetzt abbrechen und zurück?</html>",
									"Abbrechen und zurück", JOptionPane.YES_NO_OPTION);
							if (selectedOption == JOptionPane.YES_OPTION) {
								try {
									System.out.println("userID in editimageuploader is : "
											+ person.verantwortlicher.getUserID());

									if (ThriftManager.getSatClient().userIsImageAdmin(Image.ImageId,
											SessionData.authToken, person.verantwortlicher.getUserID()) == true) {
										//user is admin and may change permissions
										GuiManager.show(new PermissionEditImage_GUI());
									} else {
										//user may not change permissions
										GuiManager.show(new EditImageTechnisch_GUI());
									}
								} catch (TException e) {
									// TODO Auto-generated catch block
									e.printStackTrace();
								}
							} else {
								// for actions if "no" is selected. tbd.
							}

						}// end else
					}// end action
				});

				btnZurck.setActionCommand("Cancel");
				buttonPane.add(btnZurck);
				btnFinish.setActionCommand("Cancel");
				buttonPane.add(btnFinish);
			}
		}

	}

	private void buttonUploadActionPerformed(ActionEvent event) {

		isAborted = false;
		progressBar.setValue(0);
		btnUploadStarten.setEnabled(false); // verhindert einen weiteren Klick
		btnUploadStarten.setText("Bitte warten");

		try {
			transferInfo = ThriftManager.getSatClient().requestUpload(SessionData.authToken,
					uploadFile.length(), null);
		} catch (TException e) {
			transferInfo = null;
			JOptionPane.showMessageDialog(null, "Konnte vom Satelliten keine FTP-User erhalten!",
					"Debug-Message", JOptionPane.ERROR_MESSAGE);
		}

		task = new UploadTask(host, transferInfo.plainPort, transferInfo.token, uploadFile);

		task.addPropertyChangeListener(this);
		task.execute();

	}

	public void propertyChange(PropertyChangeEvent arg0) {

		if (isAborted == false) {
			// set progressbar
			if ("progress".equals(arg0.getPropertyName())) {
				progress = (Integer) arg0.getNewValue();
				progressBar.setValue(progress);
			}

			// Fertigstellen erlauben wenn upload abgeschlossen
			if (isCurrentlyLoading() == false || progressBar.getPercentComplete() == 1.0) {
				// no upload
				// LOGGER.info("finished uploading file");
				btnUploadStoppen.setEnabled(false);
				btnFinish.setEnabled(true);
			} else {
				// upload
				btnUploadStoppen.setEnabled(true);
				btnFinish.setEnabled(false);
			}

			if ("speed".equals(arg0.getPropertyName())) {
				speed = (double) arg0.getNewValue();
				// if(speed<=1){

				lblUpSpeed.setText(String.format("%.2f", speed) + " MB/s");

			}
			if ("bytesread".equals(arg0.getPropertyName())) {
				bytesread = (long) arg0.getNewValue();
				lblFertig.setText((bytesread / 1024 / 1024) + " MB");
				lblVerbleibend.setText(((filesize / 1024 / 1024) - (bytesread / 1024 / 1024)) + " MB");

				lblZeit.setText(String.valueOf(
						((((filesize / 1024 / 1024) - (bytesread / 1024 / 1024)) / speed) / 60) + 1)
						.substring(
								0,
								String.valueOf(
										(((filesize / 1024 / 1024) - (bytesread / 1024 / 1024)) / speed) / 60)
										.lastIndexOf("."))
						+ " Minuten");

			}
			if ("filesize".equals(arg0.getPropertyName())) {
				filesize = (long) arg0.getNewValue();
				lblFilesize.setText((filesize / 1024 / 1024) + " MB");

			}
		}// end if
	}// end propertyChange

	public boolean updateData() {
		if (isCurrentlyLoading()) {
			JOptionPane.showMessageDialog(null, "Vorgang noch nicht abgeschlossen!!", "Fehler",
					JOptionPane.ERROR_MESSAGE);
			return false;
		}
		boolean ret;
		Exception ex;
		//if a new file has been uploaded and new filename is set
		if (task != null && task.isDone()) {
			LOGGER.debug("New file uploaded, updating DB entry...");

			ret = false;
			ex = null;
			try {
				ret = ThriftManager.getSatClient().updateImageFile(transferInfo.token, Image.ImageId);
			} catch (Exception e) {
				ex = e;
			}
			if (!ret) {
				GuiManager.showMessageBox(
						"Die Metadaten des Images konnten nicht auf das neue Image umgeschrieben werden.",
						MessageType.ERROR, LOGGER, ex);
				return false;
			}
		}

		LOGGER.debug("old file should remain");

		ret = false;
		ex = null;
		try {
			ret = ThriftManager.getSatClient().updateImageData(SessionData.authToken, Image.ImageId,
					Image.Imagename, Image.Desc, Image.Licensed, Image.Internet, Image.ShareMode, Image.OS);
		} catch (TException e) {
			ex = e;
		}
		if (!ret) {
			GuiManager.showMessageBox("Serverseitiger Fehler beim Aktualisieren der Metadaten",
					MessageType.ERROR, LOGGER, ex);
			return false;
		}

		// remove all additional user permissions on first stage
		ret = false;
		ex = null;
		try {
			ThriftManager.getSatClient().deleteAllAdditionalImagePermissions(Image.ImageId,
					SessionData.authToken, person.verantwortlicher.getUserID());
		} catch (TException e) {
			ex = e;
		}
		if (ex != null) {
			GuiManager.showMessageBox("Konnte alte Permissions nicht aus der Datenbank entfernen.",
					MessageType.WARNING, LOGGER, ex);
		}

		// then, add user permissions as they have been set new
		ret = true; // (sic)
		ex = null;
		for (int i = 0; i < RightsManagement.rightsManagement.getPermittedUserList().size(); i++) {
			try {
				ret = ThriftManager.getSatClient().writeAdditionalImageRights(Image.ImageId,
						RightsManagement.rightsManagement.getPermittedUserList().get(i).getUserID(),
						RightsManagement.rightsManagement.getPermittedUserList().get(i).isImageRead(),
						RightsManagement.rightsManagement.getPermittedUserList().get(i).isImageWrite(),
						RightsManagement.rightsManagement.getPermittedUserList().get(i).isImageLinkAllowed(),
						RightsManagement.rightsManagement.getPermittedUserList().get(i).isImageAdmin(),
						SessionData.authToken)
						&& ret;
			} catch (TException e) {
				ex = e;
			}
		}// end for
		if (!ret) {
			GuiManager.showMessageBox("Serverseitiger Fehler beim Schreiben der neuen Berechtigungen.",
					MessageType.WARNING, LOGGER, ex);
		}

		return true;

	}

	public boolean isCurrentlyLoading() {
		return task != null && !task.isDone();
	}// end isCurrentlyLoading()

	public void resetValues() {
		lblUpSpeed.setText("0");
		lblZeit.setText("0");
		lblFertig.setText("0");
		lblFilesize.setText("0");
		lblVerbleibend.setText("0");
		progressBar.setValue(0);
	}// end resetValues

	public void resetButtons() {
		btnFinish.setEnabled(false);
		btnUploadStarten.setEnabled(true);
		btnUploadStarten.setText("Upload starten");
		btnUploadStoppen.setEnabled(false);

	}// end resetButtons
}// end class