From 0f40c5d1bcb908b1c8938e6754f4dd3e79444591 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Fri, 17 Mar 2017 17:59:13 +0300
Subject: [PATCH] sometimes the usage view component is invisible, re-fixes
 IDEA-169722 "Analyze dependencies" bottom tree is empty

---
 .../com/intellij/packageDependencies/ui/UsagesPanel.java   | 2 --
 .../src/com/intellij/usages/impl/UsageViewImpl.java        | 7 +++++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/packageDependencies/ui/UsagesPanel.java b/platform/lang-impl/src/com/intellij/packageDependencies/ui/UsagesPanel.java
index 29976508e197..bde049e74eb9 100644
--- a/platform/lang-impl/src/com/intellij/packageDependencies/ui/UsagesPanel.java
+++ b/platform/lang-impl/src/com/intellij/packageDependencies/ui/UsagesPanel.java
@@ -28,7 +28,6 @@ import com.intellij.openapi.util.Disposer;
 import com.intellij.psi.PsiElement;
 import com.intellij.usageView.UsageInfo;
 import com.intellij.usages.*;
-import com.intellij.usages.impl.UsageViewImpl;
 import com.intellij.util.Alarm;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
@@ -75,7 +74,6 @@ public abstract class UsagesPanel extends JPanel implements Disposable, DataProv
       UsageViewPresentation presentation = new UsageViewPresentation();
       presentation.setCodeUsagesString(getCodeUsagesString());
       myCurrentUsageView = UsageViewManager.getInstance(myProject).createUsageView(UsageTarget.EMPTY_ARRAY, usages, presentation, null);
-      ((UsageViewImpl)myCurrentUsageView).expandAll();
       setToComponent(myCurrentUsageView.getComponent());
     }
     catch (ProcessCanceledException e) {
diff --git a/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java b/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
index b1f237ee9d83..fee94e7dac1f 100644
--- a/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
+++ b/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
@@ -249,7 +249,10 @@ public class UsageViewImpl implements UsageView {
           toolWindowPanel.setContent(myCentralPanel);
 
           myTree.setCellRenderer(myUsageViewTreeCellRenderer);
-          collapseAll();
+          SwingUtilities.invokeLater(() -> {
+            if (isDisposed || myProject.isDisposed()) return;
+            collapseAll();
+          });
 
           myModelTracker.addListener(isPropertyChange-> {
             if (!isPropertyChange) {
@@ -945,7 +948,7 @@ public class UsageViewImpl implements UsageView {
   void expandRoot() {
     ApplicationManager.getApplication().assertIsDispatchThread();
     fireEvents();
-    myTree.expandPath(new TreePath(myTree.getModel().getRoot()));
+    TreeUtil.expand(myTree, 1);
   }
 
   @NotNull