void () { ToolWindow toolWindow = getToolWindow(myVcs.getProject()); ContentManager manager = toolWindow.getContentManager(); boolean selectedExistingContent = ContentUtilEx.selectContent(manager, myContentPanel, true); if (!selectedExistingContent) { String tabName = getTabName(myPath, myStartingRevisionNumber); ContentUtilEx.addTabbedContent(manager, myContentPanel, "History", VcsBundle.messagePointer("file.history.tab.name"), () -> tabName, true, this); } toolWindow.activate(null); }