[英]R Shiny Page Refresh Button for Multiple Tabs
我正在构建一个 Shiny 仪表板,它有多个选项卡,每个选项卡都在一个独立的页面中,可以从侧边栏中的选项卡项进行定向。
我正在尝试通过点击此处的链接在每个选项卡上添加页面刷新按钮R Shiny 中的页面刷新按钮
但是,我只能将它添加到一个选项卡,当我复制并粘贴其他选项卡的相同代码时失败
以下是我使用的当前结构:
library(shiny)
library(shinyjs)
library(shinydashboard)
jscode <- "shinyjs.refresh = function() { history.go(0); }"
header <- dashboardHeader(
)
sidebar <- dashboardSidebar(
tags$head(tags$style(HTML('.content-wrapper { height: 1500px !important;}'))),
sidebarMenu (
menuItem("A", tabName = "d1"),
menuItem("B", tabName = "d2"),
menuItem("C", tabName = "d3")
)
)
body <- dashboardBody(
useShinyjs(),
extendShinyjs(text = jscode),
tabItems(
tabItem(tabName = "d1",
box(title = "AAA",
actionButton("refresh", "Save"))
),
tabItem(tabName = "d2",
box(title = "BBB")
),
tabItem(tabName = "d3",
box(title = "CCC")
)
)
)
# UI
ui <- dashboardPage(header, sidebar, body)
# Server
server <- function(input, output, session) {
observeEvent({
input$aa
input$refresh
})
observeEvent(input$refresh, {
js$refresh();
})
observeEvent({
input$bb
})
observeEvent({
input$cc
})
}
# Shiny dashboard
shiny::shinyApp(ui, server)
基本上,现在我只有在选项卡 1 中名为SAVE的页面刷新按钮用于输入aa 。
我想知道如何在选项卡 2和选项卡 3 上为输入bb和cc设置相同的页面刷新按钮。 如果用户单击任何页面上的任何保存按钮,则理想的解决方案是刷新 Shiny 仪表板。
提前致谢
您必须为每个选项卡创建 3 个不同的按钮,然后您可以调用其中之一进行刷新:
library(shiny)
library(shinyjs)
library(shinydashboard)
jscode <- "shinyjs.refresh = function() { history.go(0); }"
header <- dashboardHeader(
)
sidebar <- dashboardSidebar(
tags$head(tags$style(HTML('.content-wrapper { height: 1500px !important;}'))),
sidebarMenu (
menuItem("A", tabName = "d1"),
menuItem("B", tabName = "d2"),
menuItem("C", tabName = "d3")
)
)
body <- dashboardBody(
useShinyjs(),
extendShinyjs(text = jscode),
tabItems(
tabItem(tabName = "d1",
box(title = "AAA",
actionButton("b1", "Save"))
),
tabItem(tabName = "d2",
box(title = "BBB",
actionButton("b2", "Save"))
),
tabItem(tabName = "d3",
box(title = "CCC",
actionButton("b3", "Save"))
)
)
)
# UI
ui <- dashboardPage(header, sidebar, body)
# Server
server <- function(input, output, session) {
observeEvent(c(input$b1,input$b2,input$b3), {
js$refresh()
},ignoreNULL = T,ignoreInit = T)
}
# Shiny dashboard
shiny::shinyApp(ui, server)
以防万一你对shinyJS 不是很感兴趣。 此代码应该可以帮助您。 玩得开心
library(shiny)
library(shinydashboard)
dat = data.frame(id = c("d","a","c","b"), a = c(1,2,3,4), b = c(6,7,8,9))
header <- dashboardHeader(
)
sidebar <- dashboardSidebar(
tags$head(tags$style(HTML('.content-wrapper { height: 1500px !important;}'))),
sidebarMenu (
menuItem("A", tabName = "d1"),
menuItem("B", tabName = "d2"),
menuItem("C", tabName = "d3")
)
)
body <- dashboardBody(
tabItems(
tabItem(tabName = "d1",
box(title = "AAA",
actionButton("refreshTab1_id", "Refresh Tab 1"),
actionButton("sortTable1_id", "Sort Table 1"),
DT::dataTableOutput("table_for_tab_1", width = "100%"))
),
tabItem(tabName = "d2",
box(title = "BBB",
actionButton("refreshTab2_id", "Refresh Tab 2"),
actionButton("sortTable2_id", "Sort Table 2"),
DT::dataTableOutput("table_for_tab_2", width = "100%"))
),
tabItem(tabName = "d3",
box(title = "CCC",
actionButton("refreshTab3_id", "Refresh Tab 3"),
actionButton("sortTable3_id", "Sort Table 3"),
DT::dataTableOutput("table_for_tab_3", width = "100%"))
)
)
)
# UI
ui <- dashboardPage(header, sidebar, body)
# Server
server <- function(input, output, session) {
observe({
if (input$sortTable1_id || input$sortTable2_id || input$sortTable3_id) {
dat_1 = dat %>% dplyr::arrange(id)
} else {
dat_1 = dat
}
output$table_for_tab_1 <- output$table_for_tab_2 <- output$table_for_tab_3 <- DT::renderDataTable({
DT::datatable(dat_1,
filter = 'bottom',
selection = "single",
colnames = c("Id", "A", "B"),
options = list(pageLength = 10,
autoWidth = TRUE#,
# columnDefs = list(list(targets = 9,
# visible = FALSE))
)
)
})
})
observe({
if (input$refreshTab1_id || input$refreshTab2_id || input$refreshTab3_id) {
session$reload()
}
})
}
# Shiny dashboard
shiny::shinyApp(ui, server)
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.