/
input-date.R
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/
input-date.R
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#' Create date input
#'
#' Creates a text input which, when clicked on, brings up a calendar that
#' the user can click on to select dates.
#'
#' The date `format` string specifies how the date will be displayed in
#' the browser. It allows the following values:
#'
#' \itemize{
#' \item `yy` Year without century (12)
#' \item `yyyy` Year with century (2012)
#' \item `mm` Month number, with leading zero (01-12)
#' \item `m` Month number, without leading zero (1-12)
#' \item `M` Abbreviated month name
#' \item `MM` Full month name
#' \item `dd` Day of month with leading zero
#' \item `d` Day of month without leading zero
#' \item `D` Abbreviated weekday name
#' \item `DD` Full weekday name
#' }
#'
#' @inheritParams textInput
#' @param value The starting date. Either a Date object, or a string in
#' `yyyy-mm-dd` format. If NULL (the default), will use the current date
#' in the client's time zone.
#' @param min The minimum allowed date. Either a Date object, or a string in
#' `yyyy-mm-dd` format.
#' @param max The maximum allowed date. Either a Date object, or a string in
#' `yyyy-mm-dd` format.
#' @param format The format of the date to display in the browser. Defaults to
#' `"yyyy-mm-dd"`.
#' @param startview The date range shown when the input object is first clicked.
#' Can be "month" (the default), "year", or "decade".
#' @param weekstart Which day is the start of the week. Should be an integer
#' from 0 (Sunday) to 6 (Saturday).
#' @param language The language used for month and day names. Default is "en".
#' Other valid values include "ar", "az", "bg", "bs", "ca", "cs", "cy", "da",
#' "de", "el", "en-AU", "en-GB", "eo", "es", "et", "eu", "fa", "fi", "fo",
#' "fr-CH", "fr", "gl", "he", "hr", "hu", "hy", "id", "is", "it-CH", "it",
#' "ja", "ka", "kh", "kk", "ko", "kr", "lt", "lv", "me", "mk", "mn", "ms",
#' "nb", "nl-BE", "nl", "no", "pl", "pt-BR", "pt", "ro", "rs-latin", "rs",
#' "ru", "sk", "sl", "sq", "sr-latin", "sr", "sv", "sw", "th", "tr", "uk",
#' "vi", "zh-CN", and "zh-TW".
#' @param autoclose Whether or not to close the datepicker immediately when a
#' date is selected.
#' @param datesdisabled Which dates should be disabled. Either a Date object,
#' or a string in `yyyy-mm-dd` format.
#' @param daysofweekdisabled Days of the week that should be disabled. Should be
#' a integer vector with values from 0 (Sunday) to 6 (Saturday).
#'
#' @family input elements
#' @seealso [dateRangeInput()], [updateDateInput()]
#'
#' @examples
#' ## Only run examples in interactive R sessions
#' if (interactive()) {
#'
#' ui <- fluidPage(
#' dateInput("date1", "Date:", value = "2012-02-29"),
#'
#' # Default value is the date in client's time zone
#' dateInput("date2", "Date:"),
#'
#' # value is always yyyy-mm-dd, even if the display format is different
#' dateInput("date3", "Date:", value = "2012-02-29", format = "mm/dd/yy"),
#'
#' # Pass in a Date object
#' dateInput("date4", "Date:", value = Sys.Date()-10),
#'
#' # Use different language and different first day of week
#' dateInput("date5", "Date:",
#' language = "ru",
#' weekstart = 1),
#'
#' # Start with decade view instead of default month view
#' dateInput("date6", "Date:",
#' startview = "decade"),
#'
#' # Disable Mondays and Tuesdays.
#' dateInput("date7", "Date:", daysofweekdisabled = c(1,2)),
#'
#' # Disable specific dates.
#' dateInput("date8", "Date:", value = "2012-02-29",
#' datesdisabled = c("2012-03-01", "2012-03-02"))
#' )
#'
#' shinyApp(ui, server = function(input, output) { })
#' }
#'
#' @section Server value:
#' A [Date] vector of length 1.
#'
#' @export
dateInput <- function(inputId, label, value = NULL, min = NULL, max = NULL,
format = "yyyy-mm-dd", startview = "month", weekstart = 0,
language = "en", width = NULL, autoclose = TRUE,
datesdisabled = NULL, daysofweekdisabled = NULL) {
value <- dateYMD(value, "value")
min <- dateYMD(min, "min")
max <- dateYMD(max, "max")
datesdisabled <- dateYMD(datesdisabled, "datesdisabled")
value <- restoreInput(id = inputId, default = value)
tags$div(id = inputId,
class = "shiny-date-input form-group shiny-input-container",
style = css(width = validateCssUnit(width)),
shinyInputLabel(inputId, label),
tags$input(type = "text",
class = "form-control",
# `aria-labelledby` attribute is required for accessibility to avoid doubled labels (#2951).
`aria-labelledby` = paste0(inputId, "-label"),
# title attribute is announced for screen readers for date format.
title = paste("Date format:", format),
`data-date-language` = language,
`data-date-week-start` = weekstart,
`data-date-format` = format,
`data-date-start-view` = startview,
`data-min-date` = min,
`data-max-date` = max,
`data-initial-date` = value,
`data-date-autoclose` = if (autoclose) "true" else "false",
`data-date-dates-disabled` =
# Ensure NULL is not sent as `{}` but as 'null'
jsonlite::toJSON(datesdisabled, null = 'null'),
`data-date-days-of-week-disabled` =
jsonlite::toJSON(daysofweekdisabled, null = 'null')
),
datePickerDependency()
)
}
datePickerDependency <- function(theme) {
list(
htmlDependency(
name = "bootstrap-datepicker-js",
version = version_bs_date_picker,
src = "www/shared/datepicker",
package = "shiny",
script = if (getOption("shiny.minified", TRUE)) "js/bootstrap-datepicker.min.js"
else "js/bootstrap-datepicker.js",
# Need to enable noConflict mode. See #1346.
head = "<script>(function() {
var datepicker = $.fn.datepicker.noConflict();
$.fn.bsDatepicker = datepicker;
})();
</script>"
),
bslib::bs_dependency_defer(datePickerCSS)
)
}
datePickerCSS <- function(theme) {
if (!is_bs_theme(theme)) {
return(htmlDependency(
name = "bootstrap-datepicker-css",
version = version_bs_date_picker,
src = "www/shared/datepicker",
package = "shiny",
stylesheet = "css/bootstrap-datepicker3.min.css"
))
}
scss_file <- system_file(package = "shiny", "www/shared/datepicker/scss/build3.scss")
bslib::bs_dependency(
input = sass::sass_file(scss_file),
theme = theme,
name = "bootstrap-datepicker",
version = version_bs_date_picker,
cache_key_extra = get_package_version("shiny")
)
}