bucket_list: Create a bucket list.

In rstudio/sortable: Drag-and-Drop in 'shiny' Apps with 'SortableJS'

Create a bucket list.

Description

A bucket list can contain more than one rank_list and allows drag-and-drop of items between the different lists.

Usage

bucket_list(
  header = NULL,
  ...,
  group_name,
  css_id = group_name,
  group_put_max = rep(Inf, length(labels)),
  options = sortable_options(),
  class = "default-sortable",
  orientation = c("horizontal", "vertical")
)

Arguments

header	Text that appears at the top of the bucket list. (This is encoded as an HTML ⁠<p>⁠ tag, so not strictly speaking a header.) Note that you must explicitly provide header argument, especially in the case where you want the header to be empty - to do this use header = NULL or header = NA.
...	One or more specifications for a rank list, and must be defined by add_rank_list.
group_name	Passed to SortableJS as the group name. Also the input value set in Shiny. (input[[group_name]]). Items can be dragged between bucket lists which share the same group name.
css_id	This is the css id to use, and must be unique in your shiny app. This defaults to the value of group_id, and will be appended to the value "bucket-list-container", to ensure the CSS id is unique for the container as well as the embedded rank lists.
group_put_max	Not yet implemented
options	Options to be supplied to sortable_js object. See sortable_options for more details
class	A css class applied to the bucket list and rank lists. This can be used to define custom styling.
orientation	Either horizontal or vertical, and specifies the layout of the components on the page.

Value

A list with class bucket_list

See Also

rank_list, update_rank_list

Examples

## -- example-bucket-list ---------------------------------------------

## bucket list

if(interactive()) {
  bucket_list(
    header = "This is a bucket list. You can drag items between the lists.",
    add_rank_list(
      text = "Drag from here",
      labels = c("a", "bb", "ccc")
    ),
    add_rank_list(
      text = "to here",
      labels = NULL
    )
  )
}

## bucket list with three columns

if(interactive()) {
  bucket_list(
    header = c("Sort these items into Letters and Numbers"),
    add_rank_list(
      text = "Drag from here",
      labels = sample(c(1:3, letters[1:2]))
    ),
    add_rank_list(
      text = "Letters"
    ),
    add_rank_list(
      text = "Numbers"
    )
  )
}

## drag items between bucket lists

if(interactive()) {

  ui <- shiny::fluidPage(
    shiny::column(4, bucket_list(NULL,
      group_name = "foo",
      add_rank_list(
        text = "Drag from here...",
        labels = sample(c(1:3, letters[1:2]))
      )
    )),
    shiny::column(4, "Some empty space"),
    shiny::column(4, bucket_list(NULL,
      group_name = "foo",
      add_rank_list(
        text = "...To here"
      )
    ))
  )

  server <- function(input, output, session) {}

  shiny::shinyApp(ui, server)


}

## Example of a shiny app
if (interactive()) {
  app <- system.file(
    "shiny/bucket_list/app.R",
    package = "sortable"
  )
  shiny::runApp(app)
}

rstudio/sortable documentation built on Sept. 13, 2024, 12:31 p.m.