@NotNull
  EditorWindow[] getOrderedWindows() {
    final List<EditorWindow> res = new ArrayList<EditorWindow>();

    // Collector for windows in tree ordering:
    class Inner {
      private void collect(final JPanel panel) {
        final Component comp = panel.getComponent(0);
        if (comp instanceof Splitter) {
          final Splitter splitter = (Splitter) comp;
          collect((JPanel) splitter.getFirstComponent());
          collect((JPanel) splitter.getSecondComponent());
        } else if (comp instanceof JPanel || comp instanceof JBTabs) {
          final EditorWindow window = findWindowWith(comp);
          if (window != null) {
            res.add(window);
          }
        }
      }
    }

    // get root component and traverse splitters tree:
    if (getComponentCount() != 0) {
      final Component comp = getComponent(0);
      LOG.assertTrue(comp instanceof JPanel);
      final JPanel panel = (JPanel) comp;
      if (panel.getComponentCount() != 0) {
        new Inner().collect(panel);
      }
    }

    LOG.assertTrue(res.size() == myWindows.size());
    return res.toArray(new EditorWindow[res.size()]);
  }
 @Override
 @NotNull
 public Project[] getOpenProjects() {
   synchronized (myOpenProjects) {
     if (myOpenProjectsArrayCache.length != myOpenProjects.size()) {
       LOG.error(
           "Open projects: "
               + myOpenProjects
               + "; cache: "
               + Arrays.asList(myOpenProjectsArrayCache));
     }
     if (myOpenProjectsArrayCache.length > 0
         && myOpenProjectsArrayCache[0] != myOpenProjects.get(0)) {
       LOG.error(
           "Open projects cache corrupted. Open projects: "
               + myOpenProjects
               + "; cache: "
               + Arrays.asList(myOpenProjectsArrayCache));
     }
     if (ApplicationManager.getApplication().isUnitTestMode()) {
       Project[] testProjects = myTestProjects.toArray(new Project[myTestProjects.size()]);
       for (Project testProject : testProjects) {
         assert !testProject.isDisposed() : testProject;
       }
       return ArrayUtil.mergeArrays(myOpenProjectsArrayCache, testProjects);
     }
     return myOpenProjectsArrayCache;
   }
 }
    public String getGeneratedName(final JavaRunConfigurationModule configurationModule) {
      if (TEST_PACKAGE.equals(TEST_OBJECT) || TEST_DIRECTORY.equals(TEST_OBJECT)) {
        final String moduleName =
            TEST_SEARCH_SCOPE.getScope() == TestSearchScope.WHOLE_PROJECT
                ? ""
                : configurationModule.getModuleName();
        final String packageName = getPackageName();
        if (packageName.length() == 0) {
          if (moduleName.length() > 0) {
            return ExecutionBundle.message("default.junit.config.name.all.in.module", moduleName);
          }
          return DEFAULT_PACKAGE_NAME;
        }
        if (moduleName.length() > 0) {
          return ExecutionBundle.message(
              "default.junit.config.name.all.in.package.in.module", packageName, moduleName);
        }
        return packageName;
      }
      if (TEST_PATTERN.equals(TEST_OBJECT)) {
        final int size = myPattern.size();
        if (size == 0) return "Temp suite";
        final String fqName = myPattern.iterator().next();
        return (fqName.contains("*") ? fqName : StringUtil.getShortName(fqName))
            + (size > 1 ? " and " + (size - 1) + " more" : "");
      }
      final String className = JavaExecutionUtil.getPresentableClassName(getMainClassName());
      if (TEST_METHOD.equals(TEST_OBJECT)) {
        return className + '.' + getMethodName();
      }

      return className;
    }
 @Override
 @NotNull
 public Document[] getUncommittedDocuments() {
   ApplicationManager.getApplication().assertIsDispatchThread();
   Document[] documents =
       myUncommittedDocuments.toArray(new Document[myUncommittedDocuments.size()]);
   return ArrayUtil.stripTrailingNulls(documents);
 }
    @Nullable
    private Object findClosestTo(PsiElement path, ArrayList<ObjectWithWeight> paths) {
      if (path == null || myInitialPsiElement == null) {
        return paths.get(0).node;
      }
      final Set<PsiElement> parents = getAllParents(myInitialPsiElement);
      ArrayList<ObjectWithWeight> cur = new ArrayList<ObjectWithWeight>();
      int max = -1;
      for (ObjectWithWeight p : paths) {
        final Object last = ((TreePath) p.node).getLastPathComponent();
        final List<PsiElement> elements = new ArrayList<PsiElement>();
        final Object object = ((DefaultMutableTreeNode) last).getUserObject();
        if (object instanceof FilteringTreeStructure.FilteringNode) {
          FilteringTreeStructure.FilteringNode node = (FilteringTreeStructure.FilteringNode) object;
          FilteringTreeStructure.FilteringNode candidate = node;

          while (node != null) {
            elements.add(getPsi(node));
            node = node.getParentNode();
          }
          final int size = ContainerUtil.intersection(parents, elements).size();
          if (size == elements.size() - 1
              && size == parents.size() - (myInitialNodeIsLeaf ? 1 : 0)
              && candidate.children().isEmpty()) {
            return p.node;
          }
          if (size > max) {
            max = size;
            cur.clear();
            cur.add(p);
          } else if (size == max) {
            cur.add(p);
          }
        }
      }

      Collections.sort(
          cur,
          new Comparator<ObjectWithWeight>() {
            @Override
            public int compare(ObjectWithWeight o1, ObjectWithWeight o2) {
              final int i = o1.compareWith(o2);
              return i != 0
                  ? i
                  : ((TreePath) o2.node).getPathCount() - ((TreePath) o1.node).getPathCount();
            }
          });
      return cur.isEmpty() ? null : cur.get(0).node;
    }
 @NotNull
 public EditorWindow[] getWindows() {
   return myWindows.toArray(new EditorWindow[myWindows.size()]);
 }
  @Override
  protected void collectInformationWithProgress(@NotNull final ProgressIndicator progress) {
    if (!Registry.is("editor.injected.highlighting.enabled")) return;

    final Set<HighlightInfo> gotHighlights = new THashSet<HighlightInfo>(100);

    final List<PsiElement> inside = new ArrayList<PsiElement>();
    final List<PsiElement> outside = new ArrayList<PsiElement>();
    List<ProperTextRange> insideRanges = new ArrayList<ProperTextRange>();
    List<ProperTextRange> outsideRanges = new ArrayList<ProperTextRange>();
    // TODO: this thing is just called TWICE with same arguments eating CPU on huge files :(
    Divider.divideInsideAndOutside(
        myFile,
        myRestrictRange.getStartOffset(),
        myRestrictRange.getEndOffset(),
        myPriorityRange,
        inside,
        insideRanges,
        outside,
        outsideRanges,
        false,
        SHOULD_HIGHIGHT_FILTER);

    // all infos for the "injected fragment for the host which is inside" are indeed inside
    // but some of the infos for the "injected fragment for the host which is outside" can be still
    // inside
    Set<HighlightInfo> injectedResult = new THashSet<HighlightInfo>();
    Set<PsiFile> injected = getInjectedPsiFiles(inside, outside, progress);
    setProgressLimit(injected.size());

    if (!addInjectedPsiHighlights(
        injected, progress, Collections.synchronizedSet(injectedResult))) {
      throw new ProcessCanceledException();
    }
    final List<HighlightInfo> injectionsOutside =
        new ArrayList<HighlightInfo>(gotHighlights.size());

    Set<HighlightInfo> result;
    synchronized (injectedResult) {
      // sync here because all writes happened in another thread
      result = injectedResult;
    }
    for (HighlightInfo info : result) {
      if (myRestrictRange.contains(info)) {
        gotHighlights.add(info);
      } else {
        // nonconditionally apply injected results regardless whether they are in
        // myStartOffset,myEndOffset
        injectionsOutside.add(info);
      }
    }

    if (!injectionsOutside.isEmpty()) {
      final ProperTextRange priorityIntersection = myPriorityRange.intersection(myRestrictRange);
      if ((!inside.isEmpty() || !gotHighlights.isEmpty())
          && priorityIntersection
              != null) { // do not apply when there were no elements to highlight
        // clear infos found in visible area to avoid applying them twice
        final List<HighlightInfo> toApplyInside = new ArrayList<HighlightInfo>(gotHighlights);
        myHighlights.addAll(toApplyInside);
        gotHighlights.clear();

        myHighlightInfoProcessor.highlightsInsideVisiblePartAreProduced(
            myHighlightingSession, toApplyInside, myPriorityRange, myRestrictRange, getId());
      }

      List<HighlightInfo> toApply = new ArrayList<HighlightInfo>();
      for (HighlightInfo info : gotHighlights) {
        if (!myRestrictRange.containsRange(info.getStartOffset(), info.getEndOffset())) continue;
        if (!myPriorityRange.containsRange(info.getStartOffset(), info.getEndOffset())) {
          toApply.add(info);
        }
      }
      toApply.addAll(injectionsOutside);

      myHighlightInfoProcessor.highlightsOutsideVisiblePartAreProduced(
          myHighlightingSession,
          toApply,
          myRestrictRange,
          new ProperTextRange(0, myDocument.getTextLength()),
          getId());
    } else {
      // else apply only result (by default apply command) and only within inside
      myHighlights.addAll(gotHighlights);
      myHighlightInfoProcessor.highlightsInsideVisiblePartAreProduced(
          myHighlightingSession, myHighlights, myRestrictRange, myRestrictRange, getId());
    }
  }
  private boolean shouldReloadProject(final Project project) {
    if (project.isDisposed()) return false;
    final HashSet<Pair<VirtualFile, StateStorage>> causes =
        new HashSet<Pair<VirtualFile, StateStorage>>();

    synchronized (myChangedProjectFiles) {
      final List<Pair<VirtualFile, StateStorage>> changes = myChangedProjectFiles.remove(project);
      if (changes != null) {
        causes.addAll(changes);
      }

      if (causes.isEmpty()) return false;
    }

    final boolean[] reloadOk = {false};

    ApplicationManager.getApplication()
        .runWriteAction(
            new Runnable() {
              @Override
              public void run() {
                try {
                  LOG.debug("[RELOAD] Reloading project/components...");
                  reloadOk[0] = ((ProjectEx) project).getStateStore().reload(causes);
                } catch (StateStorageException e) {
                  Messages.showWarningDialog(
                      ProjectBundle.message("project.reload.failed", e.getMessage()),
                      ProjectBundle.message("project.reload.failed.title"));
                } catch (IOException e) {
                  Messages.showWarningDialog(
                      ProjectBundle.message("project.reload.failed", e.getMessage()),
                      ProjectBundle.message("project.reload.failed.title"));
                }
              }
            });
    if (reloadOk[0]) return false;

    String message;
    if (causes.size() == 1) {
      message =
          ProjectBundle.message(
              "project.reload.external.change.single",
              causes.iterator().next().first.getPresentableUrl());
    } else {
      StringBuilder filesBuilder = new StringBuilder();
      boolean first = true;
      Set<String> alreadyShown = new HashSet<String>();
      for (Pair<VirtualFile, StateStorage> cause : causes) {
        String url = cause.first.getPresentableUrl();
        if (!alreadyShown.contains(url)) {
          if (alreadyShown.size() > 10) {
            filesBuilder
                .append("\n" + "and ")
                .append(causes.size() - alreadyShown.size())
                .append(" more");
            break;
          }
          if (!first) filesBuilder.append("\n");
          first = false;
          filesBuilder.append(url);
          alreadyShown.add(url);
        }
      }
      message =
          ProjectBundle.message("project.reload.external.change.multiple", filesBuilder.toString());
    }

    return Messages.showTwoStepConfirmationDialog(
            message,
            ProjectBundle.message("project.reload.external.change.title"),
            "Reload project",
            Messages.getQuestionIcon())
        == 0;
  }