OO-5273: Release OnlyOffice edit license when window is closed

src/main/java/org/olat/core/commons/services/doceditor/onlyoffice/manager/OnlyOfficeServiceImpl.java

@@ -293,7 +293,7 @@ public class OnlyOfficeServiceImpl implements OnlyOfficeService {
 		if (licenseEdit.intValue() <= 0) return false;
 		
 		Long accessCount = documentEditorServie.getAccessCount(OnlyOfficeEditor.TYPE, Mode.EDIT);
-		return accessCount < licenseEdit.intValue();
+		return accessCount <= licenseEdit.intValue();
 	}
 
 	@Override

src/main/java/org/olat/core/commons/services/doceditor/onlyoffice/ui/OnlyOfficeEditorController.java

@@ -30,6 +30,7 @@ import org.olat.core.commons.services.doceditor.onlyoffice.OnlyOfficeService;
 import org.olat.core.commons.services.vfs.VFSMetadata;
 import org.olat.core.gui.UserRequest;
 import org.olat.core.gui.components.Component;
+import org.olat.core.gui.components.Window;
 import org.olat.core.gui.components.velocity.VelocityContainer;
 import org.olat.core.gui.control.Event;
 import org.olat.core.gui.control.WindowControl;
@@ -65,6 +66,8 @@ public class OnlyOfficeEditorController extends BasicController {
 			final DocEditorConfigs configs, Access runAccess) {
 		super(ureq, wControl);
 		access = runAccess;
+
+		wControl.getWindowBackOffice().getWindow().addListener(this);
 		
 		if (Mode.EDIT == access.getMode() && !onlyOfficeService.isEditLicenseAvailable()) {
 			access = docEditorService.updateMode(access, Mode.VIEW);
@@ -111,11 +114,14 @@ public class OnlyOfficeEditorController extends BasicController {
 		
 		putInitialPanel(mainVC);
 	}
-
+	
 	@Override
-	protected void event(UserRequest ureq, Component source, Event event) {
-		//
+	public void event(UserRequest ureq, Component source, Event event) {
+		if(event == Window.CLOSE_WINDOW) {
+			deleteAccess();
+		}
 	}
+	
 
 	@Override
 	protected void doDispose() {