OO-2996: initialize sooner the duration of the video in the chapter editor

src/main/java/org/olat/modules/video/ui/VideoChapterEditController.java

@@ -50,6 +50,7 @@ import org.olat.core.gui.control.generic.closablewrapper.CloseableModalControlle
 import org.olat.core.gui.control.winmgr.JSCommand;
 import org.olat.core.util.StringHelper;
 import org.olat.modules.video.VideoManager;
+import org.olat.modules.video.VideoMeta;
 import org.olat.modules.video.ui.VideoChapterTableModel.ChapterTableCols;
 import org.olat.repository.RepositoryEntry;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -85,7 +86,6 @@ public class VideoChapterEditController extends BasicController {
 		displayDateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
 
 		VelocityContainer mainVC = createVelocityContainer("video_chapter_editor");
-		
 		//video preview
 		videoDisplayCtr = new VideoDisplayController(ureq, getWindowControl(), entry, false, false, false, false, null, false, false, null, false);
 		videoDisplayCtr.setTimeUpdateListener(true);
@@ -98,9 +98,31 @@ public class VideoChapterEditController extends BasicController {
 		chaptersEditCtrl = new VideoChaptersController(ureq, getWindowControl());
 		listenTo(chaptersEditCtrl);
 		mainVC.put("chapters", chaptersEditCtrl.getInitialComponent());
-				
+
+		initDurationInSeconds();
 		putInitialPanel(mainVC);
 	}
+	
+	private void initDurationInSeconds() {
+		String duration = entry.getExpenditureOfWork();
+		if (!StringHelper.containsNonWhitespace(duration)) {
+			VideoMeta metadata = videoDisplayCtr.getVideoMetadata();
+			if(metadata != null) {
+				duration = metadata.getLength();
+			}
+		}
+		
+		if(StringHelper.containsNonWhitespace(duration)) {
+			try {
+				if(duration.indexOf(':') == duration.lastIndexOf(':')) {
+					duration = "00:" + duration;
+				}
+				durationInSeconds = displayDateFormat.parse(duration).getTime() / 1000;
+			} catch (Exception e) {
+				logWarn("Cannot parse expenditure of work: " + duration, e);
+			}
+		}
+	}
 
 	@Override
 	protected void doDispose() {
@@ -270,7 +292,7 @@ public class VideoChapterEditController extends BasicController {
 	
 		private void doEditChapter(UserRequest ureq, VideoChapterTableRow videoChapterTableRow, boolean chapterExists) {
 			if(chapterEditCtr != null) return;
-			
+
 			chapterEditCtr = new ChapterEditController(ureq, getWindowControl(), videoChapterTableRow, 
 					chapterExists, tableModel.getObjects(), durationInSeconds); 
 			listenTo(chapterEditCtr);

src/main/java/org/olat/modules/video/ui/VideoDisplayController.java

@@ -79,7 +79,7 @@ public class VideoDisplayController extends BasicController {
 	private RepositoryEntry entry;
 	private String descriptionText;
 	private String mediaRepoBaseUrl;
-
+	private VideoMeta videoMetadata;
 
 	public VideoDisplayController(UserRequest ureq, WindowControl wControl, RepositoryEntry entry, boolean autoWidth) {
 		this(ureq, wControl, entry, false, false, false, true, null, false, autoWidth, null, false);
@@ -108,7 +108,7 @@ public class VideoDisplayController extends BasicController {
 				
 		VFSLeaf video = videoManager.getMasterVideoFile(entry.getOlatResource());
 		if(video != null) {
-			VideoMeta videoMetadata = videoManager.getVideoMetadata(entry.getOlatResource());
+			videoMetadata = videoManager.getVideoMetadata(entry.getOlatResource());
 			if(autoWidth){
 				mainVC.contextPut("height", 480);
 				mainVC.contextPut("width", "100%");
@@ -145,6 +145,10 @@ public class VideoDisplayController extends BasicController {
 		}
 	}
 	
+	public VideoMeta getVideoMetadata() {
+		return videoMetadata;
+	}
+	
 	public void setTimeUpdateListener(boolean enable) {
 		mainVC.contextPut("listenTimeUpdate", enable);
 	}