From e24ed670aecbde5603ca82976d61fd0949272f88 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Fri, 8 Oct 2010 14:55:56 +0400
Subject: [PATCH] optimization

---
 .../uiDesigner/binding/FormReferencesSearcher.java    | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/plugins/ui-designer/src/com/intellij/uiDesigner/binding/FormReferencesSearcher.java b/plugins/ui-designer/src/com/intellij/uiDesigner/binding/FormReferencesSearcher.java
index aa67c104b0b8..0ad32e0a2294 100644
--- a/plugins/ui-designer/src/com/intellij/uiDesigner/binding/FormReferencesSearcher.java
+++ b/plugins/ui-designer/src/com/intellij/uiDesigner/binding/FormReferencesSearcher.java
@@ -230,11 +230,14 @@ public class FormReferencesSearcher implements QueryExecutor<PsiReference, Refer
       final Set<PsiFile> fileSet = new HashSet<PsiFile>();
       ApplicationManager.getApplication().runReadAction(new Runnable() {
         public void run() {
-          ContainerUtil
-            .addAll(fileSet, manager.getCacheManager().getFilesWithWord(words.get(0), UsageSearchContext.IN_PLAIN_TEXT, scope, true));
+          PsiFile[] filesWithWord = manager.getCacheManager().getFilesWithWord(words.get(0), UsageSearchContext.IN_PLAIN_TEXT, scope, true);
+          ContainerUtil.addAll(fileSet, filesWithWord);
           for (int i = 1; i < words.size(); i++) {
-            fileSet.retainAll(
-              Arrays.asList(manager.getCacheManager().getFilesWithWord(words.get(i), UsageSearchContext.IN_PLAIN_TEXT, scope, true)));
+            ProgressManager.checkCanceled();
+            String word = words.get(i);
+            PsiFile[] filesWithThisWord = manager.getCacheManager().getFilesWithWord(word, UsageSearchContext.IN_PLAIN_TEXT, scope, true);
+            fileSet.retainAll(Arrays.asList(filesWithThisWord));
+            if (fileSet.isEmpty()) break;
           }
         }
       });