Javascript 展开/折叠选择输入函数
我想找到一个资源,使我的selectInput函数能够根据我创建的类别标题展开/折叠。我已经搜索了一些引导资源,但尚未成功。请原谅我的最小工作示例,我承认可能有更有效的方法来提供MWE。谢谢你提供的任何建议Javascript 展开/折叠选择输入函数,javascript,r,shiny,shinybs,selectinput,Javascript,R,Shiny,Shinybs,Selectinput,我想找到一个资源,使我的selectInput函数能够根据我创建的类别标题展开/折叠。我已经搜索了一些引导资源,但尚未成功。请原谅我的最小工作示例,我承认可能有更有效的方法来提供MWE。谢谢你提供的任何建议 library(shiny) library(tidyverse) #create a quick dataset to plot schools <- as.data.frame(table( c('Adams', 'Van Buren', 'Clinton', 'Doug
library(shiny)
library(tidyverse)
#create a quick dataset to plot
schools <- as.data.frame(table(
c('Adams', 'Van Buren', 'Clinton', 'Douglas', 'Edwards',
'Franklin', 'Grant', 'Harrison', 'Ignatius', 'Justice',
'Kellogg', 'Lincoln'),
dnn = list("school")))
enrollment <- as.data.frame(table(
c(300, 305, 265, 400, 500, 450, 475, 900, 800, 850, 1200, 1500),
dnn = list("enrollment")))
schoolsDataframe <- schools %>%
bind_cols(enrollment) %>%
select(school, enrollment)
#define data elements for selectInput choices argument
elem <- c('Adams', 'Van Buren', 'Clinton', 'Douglas')
mid <- c('Edwards', 'Franklin', 'Grant')
high <- c('Harrison', 'Ignatius', 'Justice')
multi <- c('Kellogg', 'Lincoln')
# Define UI
ui <- fluidPage(
tags$style(".optgroup-header { color: #FFFFFF !important; background: #000000 !important; }"),
# Application title
titlePanel("Expandable selectInput"),
# Sidebar with a select input
sidebarLayout(
sidebarPanel(
selectInput(inputId = 'schoolsInput',
label = 'Select a school',
choices = list('Elementary' = elem,
'Middle' = mid,
'High' = high,
'Multi-level' = multi),
selectize = TRUE)
),
# Show a plot
mainPanel(
plotOutput("myPlot")
)
)
)
# Define server logic required to draw a plot
server <- function(input, output) {
output$myPlot <- renderPlot({
#filter the data based on selectInput
schoolsDataframe <- schoolsDataframe %>%
filter(school == input$schoolsInput)
# draw the plot
ggplot(data = schoolsDataframe,
mapping = aes(x = school,
y = enrollment))+
geom_col()
})
}
# Run the application
shinyApp(ui = ui, server = server)
库(闪亮)
图书馆(tidyverse)
#创建要打印的快速数据集
学校给你一个开始,尽管这可能不是你想要的。我认为您需要一个基于学校类型(小学、中学…)的动态选择列表。下面是一种方法,您可以使用两个选择列表来实现这一点,其中下一个是动态的,响应上一个选择列表中的选择
我还试图简化您的数据设置。您可以复制/粘贴代码以运行它
library(shiny)
library(tidyverse)
#define data elements
schools <- data.frame (schoolName= c('Adams', 'Van Buren', 'Clinton', 'Douglas', 'Edwards','Franklin', 'Grant', 'Harrison', 'Ignatius', 'Justice', 'Kellogg', 'Lincoln'),
schoolType = c('Elementary','Elementary','Elementary','Elementary','Middle','Middle','Middle','High','High','High','Multi-level','Multi-level'),
schoolEnrollment = c(300, 305, 265, 400, 500, 450, 475, 900, 800, 850, 1200, 1500))
# Define UI
ui <- fluidPage(
tags$style(".optgroup-header { color: #FFFFFF !important; background: #000000 !important; }"),
# Application title
titlePanel("Expandable selectInput"),
# Sidebar with a select input
sidebarLayout(
sidebarPanel(
selectInput(inputId = 'schoolType',
label = 'Select a School Type',
choices = list('Elementary',
'Middle',
'High',
'Multi-level'),
),
selectInput("schoolName", "Select School:","Elementary"),
),
# Show a plot
mainPanel(
plotOutput("myPlot")
)
)
)
# Define server logic required to draw a plot
server <- function(input, output, session) {
# Set up the selection for counties
observe ({
selectionSchoolNames <- sort(unique(unlist(subset(schools$schoolName,schools$schoolType==input$schoolType))))
updateSelectInput(session, "schoolName", choices = selectionSchoolNames)
})
output$myPlot <- renderPlot({
#filter the data based on selectInput
schoolsDataframe <- schools %>%
filter(schoolType == input$schoolType)
# draw the plot
ggplot(data = schoolsDataframe,
mapping = aes(x = schoolName,
y = schoolEnrollment))+
geom_col()
})
}
# Run the application
shinyApp(ui = ui, server = server)
库(闪亮)
图书馆(tidyverse)
#定义数据元素
学校图书馆(闪亮)
onInitialize来自Stéphane Laurent的答案非常棒,但它只在页面上有一个下拉列表时才起作用。如果您有多个下拉列表,下面是他的答案的一个稍加修改的版本,可用于多个输入:
library(shiny)
onInitialize <- '
$(function() {
$("body").on("mousedown", ".selectize-dropdown-content", function(e){
e.preventDefault();
return false;
});
$("body").on("click", ".optgroup-header", function(){
$(this).siblings().toggle();
});
});'
onDropdownOpen <- '
function(el){
setTimeout(function(){
$(el).find(".optgroup .option").hide();
}, 0);
}'
shinyApp(
ui = fluidPage(
tags$script(HTML(onInitialize)),
selectizeInput("state", "Choose a state:",
list(`East Coast` = list("NY", "NJ", "CT"),
`West Coast` = list("WA", "OR", "CA"),
`Midwest` = list("MN", "WI", "IA")),
options = list(
onDropdownOpen = I(onDropdownOpen)
)
),
textOutput("result"),
selectizeInput("state2", "Choose a state:",
list(`East Coast` = list("NY", "NJ", "CT"),
`West Coast` = list("WA", "OR", "CA"),
`Midwest` = list("MN", "WI", "IA")),
options = list(
onDropdownOpen = I(onDropdownOpen)
)
),
textOutput("result2")
),
server = function(input, output) {
output$result <- renderText({
paste("You chose", input$state)
})
output$result2 <- renderText({
paste("You chose", input$state2)
})
}
)
库(闪亮)
也许是初始化?谢谢你的评论,我查看了你提供的链接。我想知道如何从bsplus嵌入bs_手风琴,谢谢你提供了这个想法。
library(shiny)
onInitialize <- '
$(function() {
$("body").on("mousedown", ".selectize-dropdown-content", function(e){
e.preventDefault();
return false;
});
$("body").on("click", ".optgroup-header", function(){
$(this).siblings().toggle();
});
});'
onDropdownOpen <- '
function(el){
setTimeout(function(){
$(el).find(".optgroup .option").hide();
}, 0);
}'
shinyApp(
ui = fluidPage(
tags$script(HTML(onInitialize)),
selectizeInput("state", "Choose a state:",
list(`East Coast` = list("NY", "NJ", "CT"),
`West Coast` = list("WA", "OR", "CA"),
`Midwest` = list("MN", "WI", "IA")),
options = list(
onDropdownOpen = I(onDropdownOpen)
)
),
textOutput("result"),
selectizeInput("state2", "Choose a state:",
list(`East Coast` = list("NY", "NJ", "CT"),
`West Coast` = list("WA", "OR", "CA"),
`Midwest` = list("MN", "WI", "IA")),
options = list(
onDropdownOpen = I(onDropdownOpen)
)
),
textOutput("result2")
),
server = function(input, output) {
output$result <- renderText({
paste("You chose", input$state)
})
output$result2 <- renderText({
paste("You chose", input$state2)
})
}
)