From 6945d39f52657c07a6bcb1ae43876ff98a76d95a Mon Sep 17 00:00:00 2001
From: anna <anna.kozlova@jetbrains.com>
Date: Wed, 3 Aug 2011 21:01:32 +0400
Subject: [PATCH] scopes: leave pattern text untouched when pattern is invalid
 (IDEA-72837 )

---
 .../ide/util/scopeChooser/ScopeEditorPanel.java    | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/ide/util/scopeChooser/ScopeEditorPanel.java b/platform/lang-impl/src/com/intellij/ide/util/scopeChooser/ScopeEditorPanel.java
index df8137ea1f15..48fb8732323b 100644
--- a/platform/lang-impl/src/com/intellij/ide/util/scopeChooser/ScopeEditorPanel.java
+++ b/platform/lang-impl/src/com/intellij/ide/util/scopeChooser/ScopeEditorPanel.java
@@ -382,12 +382,14 @@ public class ScopeEditorPanel {
           public void run() {
             myIsInUpdate = true;
             if (updateText) {
-              final String text = myCurrentScope != null ? myCurrentScope.getText() : "";
-              SwingUtilities.invokeLater(new Runnable() {
-                public void run() {
-                  myPatternField.setText(text);
-                }
-              });
+              final String text = myCurrentScope != null ? myCurrentScope.getText() : null;
+              if (text != null) {
+                SwingUtilities.invokeLater(new Runnable() {
+                  public void run() {
+                    myPatternField.setText(text);
+                  }
+                });
+              }
             }
             try {
               if (!myProject.isDisposed()) {