import com.intellij.ide.actions.CloseTabToolbarAction; //导入依赖的package包/类
private ActionGroup createToolbarActions(final CoverageViewTreeStructure treeStructure) {
  final DefaultActionGroup actionGroup = new DefaultActionGroup();
  actionGroup.add(new GoUpAction(treeStructure));
  if (treeStructure.supportFlattenPackages()) {
    actionGroup.add(new FlattenPackagesAction());
  }

  installAutoScrollToSource(actionGroup);
  installAutoScrollFromSource(actionGroup);

  actionGroup.add(ActionManager.getInstance().getAction("GenerateCoverageReport"));
  actionGroup.add(new CloseTabToolbarAction() {
    @Override
    public void actionPerformed(AnActionEvent e) {
      CoverageDataManager.getInstance(myProject).chooseSuitesBundle(null);
    }
  });
  actionGroup.add(new ContextHelpAction(HELP_ID));
  return actionGroup;
}
 

import com.intellij.ide.actions.CloseTabToolbarAction; //导入依赖的package包/类
public void openCommittedChangesTab(final CommittedChangesProvider provider,
                                    final RepositoryLocation location,
                                    final ChangeBrowserSettings settings,
                                    final int maxCount,
                                    String title) {
  DefaultActionGroup extraActions = new DefaultActionGroup();
  CommittedChangesPanel panel = new CommittedChangesPanel(myProject, provider, settings, location, extraActions);
  panel.setMaxCount(maxCount);
  panel.refreshChanges(false);
  final ContentFactory factory = ContentFactory.SERVICE.getInstance();
  if (title == null && location != null) {
    title = VcsBundle.message("browse.changes.content.title", location.toPresentableString());
  }
  final Content content = factory.createContent(panel, title, false);
  final ChangesViewContentI contentManager = ChangesViewContentManager.getInstance(myProject);
  contentManager.addContent(content);
  contentManager.setSelectedContent(content);

  extraActions.add(new CloseTabToolbarAction() {
    public void actionPerformed(final AnActionEvent e) {
      contentManager.removeContent(content);
    }
  });

  ToolWindow window = ToolWindowManager.getInstance(myProject).getToolWindow(ChangesViewContentManager.TOOLWINDOW_ID);
  if (!window.isVisible()) {
    window.activate(null);
  }
}
 

import com.intellij.ide.actions.CloseTabToolbarAction; //导入依赖的package包/类
@Override
protected void fillRightToolbarGroup(DefaultActionGroup group) {
  super.fillRightToolbarGroup(group);
  group.add(new CompilerPropertiesAction());
  group.add(new CloseTabToolbarAction() {
    @RequiredDispatchThread
    @Override
    public void actionPerformed(@Nonnull AnActionEvent e) {
      ProblemsView.getInstance(myProject).showOrHide(true);
    }
  });
}
 

import com.intellij.ide.actions.CloseTabToolbarAction; //导入依赖的package包/类
public void openCommittedChangesTab(final CommittedChangesProvider provider,
                                    final RepositoryLocation location,
                                    final ChangeBrowserSettings settings,
                                    final int maxCount,
                                    String title) {
  DefaultActionGroup extraActions = new DefaultActionGroup();
  CommittedChangesPanel panel = new CommittedChangesPanel(myProject, provider, settings, location, extraActions);
  panel.setMaxCount(maxCount);
  panel.refreshChanges(false);
  final ContentFactory factory = ContentFactory.getInstance();
  if (title == null && location != null) {
    title = VcsBundle.message("browse.changes.content.title", location.toPresentableString());
  }
  final Content content = factory.createContent(panel, title, false);
  final ChangesViewContentI contentManager = ChangesViewContentManager.getInstance(myProject);
  contentManager.addContent(content);
  contentManager.setSelectedContent(content);

  extraActions.add(new CloseTabToolbarAction() {
    public void actionPerformed(final AnActionEvent e) {
      contentManager.removeContent(content);
    }
  });

  ToolWindow window = ToolWindowManager.getInstance(myProject).getToolWindow(ChangesViewContentManager.TOOLWINDOW_ID);
  if (!window.isVisible()) {
    window.activate(null);
  }
}
 

import com.intellij.ide.actions.CloseTabToolbarAction; //导入依赖的package包/类
private void createToolbar() {
  DefaultActionGroup group = new DefaultActionGroup();
  group.add(new CloseTabToolbarAction() {
    @Override
    public void actionPerformed(AnActionEvent e) {
      ToolWindowManager.getInstance(myProject).unregisterToolWindow(UnchainAction.UNCHAIN_TOOLWINDOW_ID);
    }
  });
  group.add(new MergeAction());
  group.add(new MarkUnwantedAction());
  ActionToolbar toolbar = ActionManager.getInstance().createActionToolbar(ActionPlaces.UNKNOWN, group, true);
  add(toolbar.getComponent(), BorderLayout.NORTH);
}