Update a shiny Input

Updates a shiny input based the type of object x and other arguments.

Usage

updateFilterInput(x, ...)

Arguments

x

The object used to create the input.

...

Arguments used for input selection or passed to the selected input update function. See details.

Value

The result of the following shiny input updates is returned, based on the type of object passed to x, and other specified arguments.

Value	x	Arguments
shiny::updateDateInput	Date, POSIXt	default
shiny::updateDateRangeInput	Date, POSIXt	range = TRUE
shiny::updateNumericInput	numeric	default
shiny::updateRadioButtons	character, factor, list, logical	radio = TRUE
shiny::updateSelectInput	character, factor, list, logical	default
shiny::updateSelectizeInput	character, factor, list, logical	selectize = TRUE
shiny::updateSliderInput	numeric	slider = TRUE
shiny::updateTextAreaInput	character	textbox = TRUE, area = TRUE
shiny::updateTextInput	character	textbox = TRUE

Details

The following arguments passed to ... are supported:

area

(character). Logical. Controls whether to use shiny::updateTextAreaInput (TRUE) or shiny::updateTextInput (FALSE, default). Only applies when textbox is TRUE.

radio

(character, factor, list, logical). Logical. Controls whether to use shiny::updateRadioButtons (TRUE) or a dropdown input update function (FALSE, default). For character vectors, radio only applies if textbox is FALSE, the default.

range

(Date, POSIXt). Logical. Controls whether to use shiny::updateDateRangeInput (TRUE) or shiny::updateDateInput (FALSE, default).

selectize

(character, factor, list, logical). Logical. Controls whether to use shiny::updateSelectizeInput (TRUE) or shiny::updateSelectInput (FALSE, default). For character vectors, selectize only applies if textbox is FALSE, the default.

slider

(numeric). Logical. Controls whether to use shiny::updateSliderInput (TRUE) or shiny::updateNumericInput (FALSE, default).

textbox

(character). Logical. Controls whether to update a text input (TRUE) or a dropdown input (FALSE, default).

Remaining arguments passed to ... are passed to args_update_filter_input() or the selected input update function.

Examples

if (FALSE) { # interactive()
library(shiny)

fruits <- list(
  "a" = c("apples", "avocados"),
  "b" = c("bananas", "blueberries"),
  "c" = c("cherries", "cantaloupe")
)

ui <- fluidPage(
  sidebarLayout(
    sidebarPanel(
      filterInput(
        x = letters[1:3],
        inputId = "letter",
        label = "Pick a letter:",
       multiple = TRUE
      ),
      filterInput(
        x = fruits,
        inputId = "fruits",
        label = "Pick a fruit:"
      )
    ),
   mainPanel()
  )
)

server <- function(input, output, session) {
  shiny::observe({
    fruits_filtered <- fruits
    if (!is.null(input$letter) && length(input$letter) != 0L) {
      fruits_filtered <- fruits[input$letter]
    }
    # Call updateFilterInput() inside the shiny server:
    updateFilterInput(x = fruits_filtered, inputId = "fruits")
  })
}
shinyApp(ui, server)
}