scopes view: suspend select in till the view is ready

platform/lang-impl/src/com/intellij/ide/scopeView/ScopeTreeViewPanel.java

@@ -180,6 +180,10 @@ public class ScopeTreeViewPanel extends JPanel implements Disposable {
     myUpdateQueue.queue(new Update("Select") {
       public void run() {
         if (myProject.isDisposed()) return;
+        if (myUpdateQueue.isSuspended()) {
+          myUpdateQueue.queue(this);
+          return;
+        }
         PackageDependenciesNode node = myBuilder.findNode(file, element);
         if (node != null && node.getPsiElement() != element) {
           final TreePath path = new TreePath(node.getPath());
@@ -271,11 +275,15 @@ public class ScopeTreeViewPanel extends JPanel implements Disposable {
     myTree.setPaintBusy(true);
     myBuilder.setTree(myTree);
     myTree.getEmptyText().setText("Loading...");
+    if (!ApplicationManager.getApplication().isUnitTestMode()) {
+      myUpdateQueue.suspend();
+    }
     myTree.setModel(myBuilder.build(myProject, showProgress, new Runnable(){
       @Override
       public void run() {
         myTree.setPaintBusy(false);
         myTree.getEmptyText().setText(UIBundle.message("message.nothingToShow"));
+        myUpdateQueue.resume();
       }
     }));
     ((PackageDependenciesNode)myTree.getModel().getRoot()).sortChildren();

platform/platform-api/src/com/intellij/util/ui/update/MergingUpdateQueue.java

@@ -257,6 +257,10 @@ public class MergingUpdateQueue implements Runnable, Disposable, Activatable {
     return !current.dominates(modalityState);
   }
 
+  public boolean isSuspended() {
+    return mySuspended;
+  }
+
   private static boolean isExpired(Update each) {
     return each.isDisposed() || each.isExpired();
   }