/**
  * Cancel previously registered action and schedules (new) action to be executed when all
  * documents are committed.
  *
  * @param key the (unique) id of the action.
  * @param action The action to be executed after automatic commit. This action will overwrite any
  *     action which was registered under this key earlier. The action will be executed in EDT.
  * @return true if action has been run immediately, or false if action was scheduled for execution
  *     later.
  */
 public boolean cancelAndRunWhenAllCommitted(
     @NonNls @NotNull Object key, @NotNull final Runnable action) {
   ApplicationManager.getApplication().assertIsDispatchThread();
   if (myProject.isDisposed()) {
     action.run();
     return true;
   }
   if (myUncommittedDocuments.isEmpty()) {
     action.run();
     if (!hasUncommitedDocuments()) {
       assert actionsWhenAllDocumentsAreCommitted.isEmpty() : actionsWhenAllDocumentsAreCommitted;
     }
     return true;
   }
   actionsWhenAllDocumentsAreCommitted.put(key, action);
   return false;
 }
 /**
  * Schedules action to be executed when all documents are committed.
  *
  * @return true if action has been run immediately, or false if action was scheduled for execution
  *     later.
  */
 @Override
 public boolean performWhenAllCommitted(@NotNull final Runnable action) {
   ApplicationManager.getApplication().assertIsDispatchThread();
   assert !myProject.isDisposed() : "Already disposed: " + myProject;
   if (myUncommittedDocuments.isEmpty()) {
     action.run();
     return true;
   }
   CompositeRunnable actions =
       (CompositeRunnable) actionsWhenAllDocumentsAreCommitted.get(PERFORM_ALWAYS_KEY);
   if (actions == null) {
     actions = new CompositeRunnable();
     actionsWhenAllDocumentsAreCommitted.put(PERFORM_ALWAYS_KEY, actions);
   }
   actions.add(action);
   myDocumentCommitProcessor.log(
       "PDI: added performWhenAllCommitted", null, false, action, myUncommittedDocuments);
   return false;
 }
  @Override
  @Nullable
  public VirtualFileSystemEntry findRoot(
      @NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
    if (basePath.isEmpty()) {
      LOG.error("Invalid root, fs=" + fs);
      return null;
    }

    String rootUrl = normalizeRootUrl(basePath, fs);

    myRootsLock.readLock().lock();
    try {
      VirtualFileSystemEntry root = myRoots.get(rootUrl);
      if (root != null) return root;
    } finally {
      myRootsLock.readLock().unlock();
    }

    final VirtualFileSystemEntry newRoot;
    int rootId = FSRecords.findRootRecord(rootUrl);

    VfsData.Segment segment = VfsData.getSegment(rootId, true);
    VfsData.DirectoryData directoryData = new VfsData.DirectoryData();
    if (fs instanceof ArchiveFileSystem) {
      String parentPath =
          basePath.substring(0, basePath.indexOf(ArchiveFileSystem.ARCHIVE_SEPARATOR));
      VirtualFile parentFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
      if (parentFile == null) return null;
      FileType type = FileTypeRegistry.getInstance().getFileTypeByFileName(parentFile.getName());
      if (!(type instanceof ArchiveFileType)) return null;
      newRoot = new ArchiveRoot(fs, rootId, segment, directoryData, parentFile);
    } else {
      newRoot = new FsRoot(fs, rootId, segment, directoryData, basePath);
    }

    FileAttributes attributes =
        fs.getAttributes(
            new StubVirtualFile() {
              @NotNull
              @Override
              public String getPath() {
                return newRoot.getPath();
              }

              @Nullable
              @Override
              public VirtualFile getParent() {
                return null;
              }
            });
    if (attributes == null || !attributes.isDirectory()) {
      return null;
    }

    boolean mark = false;

    myRootsLock.writeLock().lock();
    try {
      VirtualFileSystemEntry root = myRoots.get(rootUrl);
      if (root != null) return root;

      VfsData.initFile(rootId, segment, -1, directoryData);
      mark = writeAttributesToRecord(rootId, 0, newRoot, fs, attributes);

      myRoots.put(rootUrl, newRoot);
      myRootsById.put(rootId, newRoot);
    } finally {
      myRootsLock.writeLock().unlock();
    }

    if (!mark && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
      newRoot.markDirtyRecursively();
    }

    LOG.assertTrue(
        rootId == newRoot.getId(),
        "root=" + newRoot + " expected=" + rootId + " actual=" + newRoot.getId());

    return newRoot;
  }
  private void createActions(ToolbarDecorator decorator) {
    final Consumer<BaseInjection> consumer =
        new Consumer<BaseInjection>() {
          public void consume(final BaseInjection injection) {
            addInjection(injection);
          }
        };
    final Factory<BaseInjection> producer =
        new NullableFactory<BaseInjection>() {
          public BaseInjection create() {
            final InjInfo info = getSelectedInjection();
            return info == null ? null : info.injection;
          }
        };
    for (LanguageInjectionSupport support : InjectorUtils.getActiveInjectionSupports()) {
      ContainerUtil.addAll(myAddActions, support.createAddActions(myProject, consumer));
      final AnAction action = support.createEditAction(myProject, producer);
      myEditActions.put(
          support.getId(),
          action == null
              ? AbstractLanguageInjectionSupport.createDefaultEditAction(myProject, producer)
              : action);
      mySupports.put(support.getId(), support);
    }
    Collections.sort(
        myAddActions,
        new Comparator<AnAction>() {
          public int compare(final AnAction o1, final AnAction o2) {
            return Comparing.compare(
                o1.getTemplatePresentation().getText(), o2.getTemplatePresentation().getText());
          }
        });
    decorator.disableUpDownActions();
    decorator.setAddActionUpdater(
        new AnActionButtonUpdater() {
          @Override
          public boolean isEnabled(AnActionEvent e) {
            return !myAddActions.isEmpty();
          }
        });
    decorator.setAddAction(
        new AnActionButtonRunnable() {
          @Override
          public void run(AnActionButton button) {
            performAdd(button);
          }
        });
    decorator.setRemoveActionUpdater(
        new AnActionButtonUpdater() {
          @Override
          public boolean isEnabled(AnActionEvent e) {
            boolean enabled = false;
            for (InjInfo info : getSelectedInjections()) {
              if (!info.bundled) {
                enabled = true;
                break;
              }
            }
            return enabled;
          }
        });
    decorator.setRemoveAction(
        new AnActionButtonRunnable() {
          @Override
          public void run(AnActionButton button) {
            performRemove();
          }
        });

    decorator.setEditActionUpdater(
        new AnActionButtonUpdater() {
          @Override
          public boolean isEnabled(AnActionEvent e) {
            AnAction edit = getEditAction();
            if (edit != null) edit.update(e);
            return edit != null && edit.getTemplatePresentation().isEnabled();
          }
        });
    decorator.setEditAction(
        new AnActionButtonRunnable() {
          @Override
          public void run(AnActionButton button) {
            performEditAction();
          }
        });
    decorator.addExtraAction(
        new DumbAwareActionButton("Duplicate", "Duplicate", PlatformIcons.COPY_ICON) {

          @Override
          public boolean isEnabled() {
            return getEditAction() != null;
          }

          @Override
          public void actionPerformed(@NotNull AnActionEvent e) {
            final InjInfo injection = getSelectedInjection();
            if (injection != null) {
              addInjection(injection.injection.copy());
              // performEditAction(e);
            }
          }
        });

    decorator.addExtraAction(
        new DumbAwareActionButton(
            "Enable Selected Injections",
            "Enable Selected Injections",
            PlatformIcons.SELECT_ALL_ICON) {

          @Override
          public void actionPerformed(@NotNull final AnActionEvent e) {
            performSelectedInjectionsEnabled(true);
          }
        });
    decorator.addExtraAction(
        new DumbAwareActionButton(
            "Disable Selected Injections",
            "Disable Selected Injections",
            PlatformIcons.UNSELECT_ALL_ICON) {

          @Override
          public void actionPerformed(@NotNull final AnActionEvent e) {
            performSelectedInjectionsEnabled(false);
          }
        });

    new DumbAwareAction("Toggle") {
      @Override
      public void update(@NotNull AnActionEvent e) {
        SpeedSearchSupply supply = SpeedSearchSupply.getSupply(myInjectionsTable);
        e.getPresentation().setEnabled(supply == null || !supply.isPopupActive());
      }

      @Override
      public void actionPerformed(@NotNull final AnActionEvent e) {
        performToggleAction();
      }
    }.registerCustomShortcutSet(
        new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0)), myInjectionsTable);

    if (myInfos.length > 1) {
      AnActionButton shareAction =
          new DumbAwareActionButton("Move to IDE Scope", null, PlatformIcons.IMPORT_ICON) {
            {
              addCustomUpdater(
                  new AnActionButtonUpdater() {
                    @Override
                    public boolean isEnabled(AnActionEvent e) {
                      CfgInfo cfg = getTargetCfgInfo(getSelectedInjections());
                      e.getPresentation()
                          .setText(
                              cfg == getDefaultCfgInfo()
                                  ? "Move to IDE Scope"
                                  : "Move to Project Scope");
                      return cfg != null;
                    }
                  });
            }

            @Override
            public void actionPerformed(@NotNull final AnActionEvent e) {
              final List<InjInfo> injections = getSelectedInjections();
              final CfgInfo cfg = getTargetCfgInfo(injections);
              if (cfg == null) return;
              for (InjInfo info : injections) {
                if (info.cfgInfo == cfg) continue;
                if (info.bundled) continue;
                info.cfgInfo.injectionInfos.remove(info);
                cfg.addInjection(info.injection);
              }
              final int[] selectedRows = myInjectionsTable.getSelectedRows();
              myInjectionsTable.getListTableModel().setItems(getInjInfoList(myInfos));
              TableUtil.selectRows(myInjectionsTable, selectedRows);
            }

            @Nullable
            private CfgInfo getTargetCfgInfo(final List<InjInfo> injections) {
              CfgInfo cfg = null;
              for (InjInfo info : injections) {
                if (info.bundled) {
                  continue;
                }
                if (cfg == null) cfg = info.cfgInfo;
                else if (cfg != info.cfgInfo) return info.cfgInfo;
              }
              if (cfg == null) return null;
              for (CfgInfo info : myInfos) {
                if (info != cfg) return info;
              }
              throw new AssertionError();
            }
          };
      shareAction.setShortcut(
          new CustomShortcutSet(
              KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, InputEvent.SHIFT_DOWN_MASK)));
      decorator.addExtraAction(shareAction);
    }
    decorator.addExtraAction(
        new DumbAwareActionButton("Import", "Import", AllIcons.Actions.Install) {

          @Override
          public void actionPerformed(@NotNull final AnActionEvent e) {
            doImportAction(e.getDataContext());
            updateCountLabel();
          }
        });
    decorator.addExtraAction(
        new DumbAwareActionButton("Export", "Export", AllIcons.Actions.Export) {

          @Override
          public void actionPerformed(@NotNull final AnActionEvent e) {
            final List<BaseInjection> injections = getInjectionList(getSelectedInjections());
            final VirtualFileWrapper wrapper =
                FileChooserFactory.getInstance()
                    .createSaveFileDialog(
                        new FileSaverDescriptor("Export Selected Injections to File...", "", "xml"),
                        myProject)
                    .save(null, null);
            if (wrapper == null) return;
            final Configuration configuration = new Configuration();
            configuration.setInjections(injections);
            final Document document = new Document(configuration.getState());
            try {
              JDOMUtil.writeDocument(document, wrapper.getFile(), "\n");
            } catch (IOException ex) {
              final String msg = ex.getLocalizedMessage();
              Messages.showErrorDialog(
                  myProject,
                  msg != null && msg.length() > 0 ? msg : ex.toString(),
                  "Export Failed");
            }
          }

          @Override
          public boolean isEnabled() {
            return !getSelectedInjections().isEmpty();
          }
        });
  }
  @Override
  @Nullable
  public VirtualFileSystemEntry findRoot(
      @NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
    String rootUrl = normalizeRootUrl(basePath, fs);
    boolean isFakeRoot = basePath.isEmpty();
    VirtualFileSystemEntry root;

    myRootsLock.readLock().lock();
    try {
      root = isFakeRoot ? mySuperRoot : myRoots.get(rootUrl);
      if (root != null) return root;
    } finally {
      myRootsLock.readLock().unlock();
    }

    myRootsLock.writeLock().lock();
    try {
      root = isFakeRoot ? mySuperRoot : myRoots.get(rootUrl);
      if (root != null) return root;

      int rootId = FSRecords.findRootRecord(rootUrl);
      root = myRootsById.get(rootId);
      if (root != null) return root;

      if (isFakeRoot) {
        // fake super-root
        root = new FakeRoot(fs, rootId);
      } else if (fs instanceof JarFileSystem) {
        // optimization: for jar roots do not store base path in the myName field, use local FS
        // file's getPath()
        String parentPath = basePath.substring(0, basePath.indexOf(JarFileSystem.JAR_SEPARATOR));
        VirtualFile parentLocalFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
        if (parentLocalFile == null) return null;

        // check one more time since the findFileByPath could have created the root (by reentering
        // the findRoot)
        root = myRoots.get(rootUrl);
        if (root != null) return root;
        root = myRootsById.get(rootId);
        if (root != null) return root;

        root = new JarRoot(fs, rootId, parentLocalFile);
      } else {
        root = new FsRoot(fs, rootId, basePath);
      }

      if (isFakeRoot) {
        mySuperRoot = root;
      } else {
        FileAttributes attributes = fs.getAttributes(root);
        if (attributes == null || !attributes.isDirectory()) {
          return null;
        }
        final boolean newRoot = writeAttributesToRecord(rootId, 0, root, fs, attributes);
        if (!newRoot && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
          root.markDirtyRecursively();
        }

        myRoots.put(rootUrl, root);
        myRootsById.put(rootId, root);

        if (rootId != root.getId()) throw new AssertionError();
      }

      return root;
    } finally {
      myRootsLock.writeLock().unlock();
    }
  }