From 1e6ebba27aebf7d2043f2c23bb68f69933c39fc7 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Fri, 9 Jan 2015 17:45:00 +0100
Subject: [PATCH] perform slow alternative resolve during copy/paste

---
 .../JavaCopyPasteReferenceProcessor.java       |  3 ++-
 .../codeInsight/editorActions/CopyHandler.java | 13 +++++++++----
 .../editorActions/PasteHandler.java            | 18 +++++++++++++-----
 3 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/java/java-impl/src/com/intellij/codeInsight/editorActions/JavaCopyPasteReferenceProcessor.java b/java/java-impl/src/com/intellij/codeInsight/editorActions/JavaCopyPasteReferenceProcessor.java
index 76be78b7932d..5c4eff0f9374 100644
--- a/java/java-impl/src/com/intellij/codeInsight/editorActions/JavaCopyPasteReferenceProcessor.java
+++ b/java/java-impl/src/com/intellij/codeInsight/editorActions/JavaCopyPasteReferenceProcessor.java
@@ -17,6 +17,7 @@ package com.intellij.codeInsight.editorActions;
 
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.editor.RangeMarker;
+import com.intellij.openapi.project.DumbAware;
 import com.intellij.openapi.util.TextRange;
 import com.intellij.psi.*;
 import com.intellij.util.IncorrectOperationException;
@@ -26,7 +27,7 @@ import java.util.ArrayList;
 /**
  * @author peter
  */
-public class JavaCopyPasteReferenceProcessor extends CopyPasteReferenceProcessor<PsiJavaCodeReferenceElement> {
+public class JavaCopyPasteReferenceProcessor extends CopyPasteReferenceProcessor<PsiJavaCodeReferenceElement> implements DumbAware {
   private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.editorActions.JavaCopyPasteReferenceProcessor");
 
   @Override
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/editorActions/CopyHandler.java b/platform/lang-impl/src/com/intellij/codeInsight/editorActions/CopyHandler.java
index e780e3922b29..3451c0630e52 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/editorActions/CopyHandler.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/editorActions/CopyHandler.java
@@ -35,7 +35,6 @@ import com.intellij.psi.PsiFile;
 
 import java.awt.datatransfer.Transferable;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 
 public class CopyHandler extends EditorActionHandler {
@@ -89,9 +88,15 @@ public class CopyHandler extends EditorActionHandler {
     final int[] endOffsets = selectionModel.getBlockSelectionEnds();
 
     List<TextBlockTransferableData> transferableDatas = new ArrayList<TextBlockTransferableData>();
-    CopyPastePostProcessor<? extends TextBlockTransferableData>[] postProcessors = Extensions.getExtensions(CopyPastePostProcessor.EP_NAME);
-    for (CopyPastePostProcessor<? extends TextBlockTransferableData> processor : DumbService.getInstance(project).filterByDumbAwareness(Arrays.asList(postProcessors))) {
-      transferableDatas.addAll(processor.collectTransferableData(file, editor, startOffsets, endOffsets));
+    
+    DumbService.getInstance(project).setAlternativeResolveEnabled(true);
+    try {
+      for (CopyPastePostProcessor<? extends TextBlockTransferableData> processor : Extensions.getExtensions(CopyPastePostProcessor.EP_NAME)) {
+        transferableDatas.addAll(processor.collectTransferableData(file, editor, startOffsets, endOffsets));
+      }
+    }
+    finally {
+      DumbService.getInstance(project).setAlternativeResolveEnabled(false);
     }
 
     String text = editor.getCaretModel().supportsMultipleCarets()
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java b/platform/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java
index 56d18e3e8d97..9722a1b99d3e 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java
@@ -33,6 +33,7 @@ import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.openapi.extensions.Extensions;
 import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.ide.CopyPasteManager;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Ref;
 import com.intellij.openapi.util.TextRange;
@@ -158,13 +159,20 @@ public class PasteHandler extends EditorActionHandler implements EditorTextInser
 
       final Map<CopyPastePostProcessor, List<? extends TextBlockTransferableData>> extraData = new HashMap<CopyPastePostProcessor, List<? extends TextBlockTransferableData>>();
       Collection<TextBlockTransferableData> allValues = new ArrayList<TextBlockTransferableData>();
-      for (CopyPastePostProcessor<? extends TextBlockTransferableData> processor : Extensions.getExtensions(CopyPastePostProcessor.EP_NAME)) {
-        List<? extends TextBlockTransferableData> data = processor.extractTransferableData(content);
-        if (!data.isEmpty()) {
-          extraData.put(processor, data);
-          allValues.addAll(data);
+      
+      DumbService.getInstance(project).setAlternativeResolveEnabled(true);
+      try {
+        for (CopyPastePostProcessor<? extends TextBlockTransferableData> processor : Extensions.getExtensions(CopyPastePostProcessor.EP_NAME)) {
+          List<? extends TextBlockTransferableData> data = processor.extractTransferableData(content);
+          if (!data.isEmpty()) {
+            extraData.put(processor, data);
+            allValues.addAll(data);
+          }
         }
       }
+      finally {
+        DumbService.getInstance(project).setAlternativeResolveEnabled(false);
+      }
 
       text = TextBlockTransferable.convertLineSeparators(editor, text, allValues);