OO-1068: show the message that the test is already used in a course and the edition is limited

src/main/java/org/olat/ims/qti/editor/QTIEditorMainController.java

@@ -313,10 +313,10 @@ public class QTIEditorMainController extends MainLayoutBasicController implement
 		
 		if(notEditable) {		
 			//test not editable
-			VelocityContainer notEditable = createVelocityContainer("notEditable");
-			notEditableButton = LinkFactory.createButton("ok", notEditable, this);
+			VelocityContainer notEditableVc = createVelocityContainer("notEditable");
+			notEditableButton = LinkFactory.createButton("ok", notEditableVc, this);
 			Panel panel = new Panel("notEditable");
-			panel.setContent(notEditable);
+			panel.setContent(notEditableVc);
 			columnLayoutCtr = new LayoutMain3ColsController(ureq, getWindowControl(), null, panel, null);
 			putInitialPanel(columnLayoutCtr.getInitialComponent());
 			return;
@@ -390,7 +390,7 @@ public class QTIEditorMainController extends MainLayoutBasicController implement
 			String text = translate("qti.restricted.edit.warning") + "<br/><br/>" + createReferenceesMsg(ureq);
 			proceedRestricedEditDialog = DialogBoxUIFactory.createYesNoDialog(ureq, getWindowControl(), null, text);
 			listenTo(proceedRestricedEditDialog);
-			//activate is done by the activate method of the editor.
+			proceedRestricedEditDialog.activate();
 		}
 	}
 	

src/main/java/org/olat/ims/qti/editor/_content/notEditable.html

 <fieldset>
 	<legend>$r.translate("error.header")</legend>
-	<p>
-	$r.translate("info.alien.test")
-	<p>
-	$r.render("ok")
+	<div class="o_warning">$r.translate("info.alien.test")</div>
+	<div class="o_button_group">$r.render("ok")</div>
 </fieldset>
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