Nothing
## ---- update-bucket-list-app -----------------------------------------------
## Example shiny app with bucket list
library(shiny)
library(sortable)
library(magrittr)
ui <- fluidPage(
tags$head(
tags$style(HTML(".bucket-list-container {min-height: 350px;}"))
),
fluidRow(
column(
width = 12,
h2("Update the title"),
actionButton("btnUpdateBucket", label = "Update bucket list title"),
)
),
fluidRow(
column(
h2("Exercise"),
width = 12,
bucket_list(
header = "Drag the items in any desired bucket",
group_name = "bucket_list_group",
orientation = "horizontal",
add_rank_list(
text = "Drag from here",
labels = list(
"one",
"two",
"three"
),
input_id = "rank_list_1"
),
add_rank_list(
text = "to here",
labels = NULL,
input_id = "rank_list_2"
)
)
)
)
)
server <- function(input, output, session) {
# test updating the bucket list label
counter_bucket <- reactiveVal(1)
observe({
update_bucket_list(
"bucket_list_group",
header = paste("You pressed the update button", counter_bucket(), "times"),
session = session
)
counter_bucket(counter_bucket() + 1)
}) %>%
bindEvent(input$btnUpdateBucket)
observe({
len <- length(input$rank_list_1)
count_word <- if(len == 0) "" else glue::glue("({len})")
update_rank_list(
"rank_list_1",
text = paste0("From here ", count_word),
session = session
)
}) %>%
bindEvent(input$rank_list_1)
observe({
len <- length(input$rank_list_2)
count_word <- if(len == 0) "" else glue::glue("({len})")
update_rank_list(
"rank_list_2",
text = paste0("To here ", count_word),
session = session
)
}) %>%
bindEvent(input$rank_list_2)
}
shinyApp(ui, server)
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