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У меня есть блестящее приложение ниже с 3 различными вкладками, боковой панелью и правой боковой панелью. Я хотел бы, чтобы каждый раз, когда я перемещаюсь на другую вкладку, содержимое правой боковой панели менялось и отображало разные виджеты. В третьем, хотя и названном «Сбор налоговых убытков», я хочу добавить а controlbarMenu() . Как я могу сделать так, чтобы он отображался только тогда, когда я на третьей вкладке?

 library(shiny) library(shinydashboard) library(shinydashboardPlus)  shinyApp(  ui = tags$body(class="skin-blue sidebar-mini control-sidebar-open",dashboardPage(  options = list(sidebarExpandOnHover = TRUE),  header = dashboardHeader(title = "Investment Advisor Monitoring - Insider Trading",titleWidth = 450),    sidebar = dashboardSidebar(minified = F, collapsed = F,  h4("Investment Selected")      ),  body = dashboardBody(  h3('Results'),  tabsetPanel(id = "tabs",  tabPanel("InsiderTraining"),  tabPanel("Switching"),  tabPanel("Tax Loss Harvesting")  )  ),  controlbar = dashboardControlbar(width = 300,  #controlbarMenu(  # id = "menu",  #controlbarItem(  # "Tab 1",  #"Welcome to tab 1"  #),  #controlbarItem(  # "Tab 2",  #"Welcome to tab 2"  #)  #)  h4("Insider Trading Parameters"),   uiOutput("mytab21"), uiOutput("mytab22"),uiOutput("mytab23")      ),  title = "DashboardPage"  )),  server = function(input, output) {       output$mytab21 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="InsiderTraining"',  selectInput("InsiderTradingModel", "Insider Trading Model",  c("Dynamic" = "Dynamic",  "AI based" = "AIbased")),  #textInput("StockTicker", "Enter Stock Symbol", value = "NFLX"),  selectInput("ivar", "Choose a variable", choices = colnames(iris))  ))  })  output$mytab22 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="Switching"',  selectInput("InsiderTradingModel2", "Insider Trading Model 2",  c("Dynamic" = "Dynamic",  "BI based" = "BIbased")),  sliderInput('periodss','Periods',min=1,max=100,value=30),  selectInput("pvar", "Choose a variable", choices = colnames(pressure))  ))  })  output$mytab23 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="Switching"',    ))  })   } )  

Возможно, вы ищете это

 menu lt;- controlbarMenu(  id = "controlbarMenu",  controlbarItem(  "Tab 1",  "Welcome to tab 1"  ),  controlbarItem(  "Tab 2",  numericInput("num", "Observations:", 200, min = 1, max = 1000, step = 100)  ) )  library(shiny) library(shinydashboard) library(shinydashboardPlus)  shinyApp(  ui = tags$body(class="skin-blue sidebar-mini control-sidebar-open",dashboardPage(  options = list(sidebarExpandOnHover = TRUE),  header = dashboardHeader(title = "Investment Advisor Monitoring - Insider Trading",titleWidth = 450),   sidebar = dashboardSidebar(minified = F, collapsed = F,  h4("Investment Selected"),  uiOutput("mytab11"), uiOutput("mytab12")   #textInput("StockTicker3", "Enter Stock Symbol 3", value = "AMZN")  ),  body = dashboardBody(  h3('Results'),  tabsetPanel(id = "tabs",  tabPanel("InsiderTraining"),  tabPanel("Switching"),  tabPanel("Tax Loss Harvesting")  )  ),  controlbar = dashboardControlbar(width = 300,  h4("Insider Trading Parameters"),  uiOutput("mytab21"), uiOutput("mytab22"), uiOutput("mytab32")   #selectInput("InsiderTradingModel3", "Insider Trading Model 3",  # c("Dynamic" = "Dynamic",  # "AI based" = "AIbased"))  ),  title = "DashboardPage"  )),  server = function(input, output) {   output$mytab11 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="InsiderTraining"',  textInput("StockTicker", "Enter Stock Symbol", value = "NFLX"),  sliderInput('periods','Periods',min=1,max=120,value=60),  selectInput("mtvar", "Choose a variable", choices = colnames(mtcars))  ))  })  output$mytab12 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="Switching"',  textInput("StockTicker2", "Enter Stock Symbol", value = "APPL"),  selectInput("cvar", "Choose a variable", choices = colnames(cars))  ))  })   output$mytab21 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="InsiderTraining"',  selectInput("InsiderTradingModel", "Insider Trading Model",  c("Dynamic" = "Dynamic",  "AI based" = "AIbased")),  #textInput("StockTicker", "Enter Stock Symbol", value = "NFLX"),  selectInput("ivar", "Choose a variable", choices = colnames(iris))  ))  })  output$mytab22 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="Switching"',  selectInput("InsiderTradingModel2", "Insider Trading Model 2",  c("Dynamic" = "Dynamic",  "BI based" = "BIbased")),  sliderInput('periodss','Periods',min=1,max=100,value=30),  selectInput("pvar", "Choose a variable", choices = colnames(pressure))  ))  })  output$mytab32 lt;- renderUI({  tagList(  conditionalPanel(condition = 'input.tabs=="Tax Loss Harvesting"',  selectInput("pvar", "Choose a variable", choices = colnames(rock)),  menu  ))  })    } )