new vectorSelectInput to select vector with names displayed

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Andreas Gammelgaard Damsbo 2025-03-07 14:53:22 +01:00
commit 12db7a6025
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6 changed files with 255 additions and 9 deletions

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@ -1 +1 @@
app_version <- function()'250306_0759'
app_version <- function()'250307_1438'

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@ -17,7 +17,7 @@
#' @return a \code{\link[shiny]{selectizeInput}} dropdown element
#'
#' @importFrom shiny selectizeInput
#' @keywords internal
#' @export
#'
columnSelectInput <- function(inputId, label, data, selected = "", ...,
col_subset = NULL, placeholder = "", onInitialize, none_label="No variable selected") {
@ -80,3 +80,100 @@ columnSelectInput <- function(inputId, label, data, selected = "", ...,
)
)
}
#' A selectizeInput customized for named vectors
#'
#' @param inputId passed to \code{\link[shiny]{selectizeInput}}
#' @param label passed to \code{\link[shiny]{selectizeInput}}
#' @param data A named \code{vector} object from which fields should be populated
#' @param selected default selection
#' @param ... passed to \code{\link[shiny]{selectizeInput}}
#' @param placeholder passed to \code{\link[shiny]{selectizeInput}} options
#' @param onInitialize passed to \code{\link[shiny]{selectizeInput}} options
#'
#' @returns a \code{\link[shiny]{selectizeInput}} dropdown element
#' @export
#'
#' @examples
#' if (shiny::interactive()) {
#' shinyApp(
#' ui = fluidPage(
#' shiny::uiOutput("select"),
#' tableOutput("data")
#' ),
#' server = function(input, output) {
#' output$select <- shiny::renderUI({
#' vectorSelectInput(
#' inputId = "variable", label = "Variable:",
#' data = c(
#' "Cylinders" = "cyl",
#' "Transmission" = "am",
#' "Gears" = "gear"
#' )
#' )
#' })
#'
#' output$data <- renderTable(
#' {
#' mtcars[, c("mpg", input$variable), drop = FALSE]
#' },
#' rownames = TRUE
#' )
#' }
#' )
#' }
vectorSelectInput <- function(inputId,
label,
data,
selected = "",
...,
placeholder = "",
onInitialize) {
datar <- if (shiny::is.reactive(data)) data else shiny::reactive(data)
labels <- sprintf(
IDEAFilter:::strip_leading_ws('
{
"name": "%s",
"label": "%s"
}'),
datar(),
names(datar()) %||% ""
)
choices <- stats::setNames(datar(), labels)
shiny::selectizeInput(
inputId = inputId,
label = label,
choices = choices,
selected = selected,
...,
options = c(
list(render = I("{
// format the way that options are rendered
option: function(item, escape) {
item.data = JSON.parse(item.label);
return '<div style=\"padding: 3px 12px\">' +
'<div><strong>' +
escape(item.data.name) + ' ' +
'</strong></div>' +
(item.data.label != '' ? '<div style=\"line-height: 1em;\"><small>' + escape(item.data.label) + '</small></div>' : '') +
'</div>';
},
// avoid data vomit splashing on screen when an option is selected
item: function(item, escape) {
item.data = JSON.parse(item.label);
return '<div>' +
escape(item.data.name) +
'</div>';
}
}"))
)
)
}

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@ -254,11 +254,11 @@ m_redcap_readServer <- function(id) {
})
output$arms <- shiny::renderUI({
shiny::selectizeInput(
vectorSelectInput(
inputId = ns("arms"),
selected = NULL,
label = "Filter by events/arms",
choices = arms()[[3]],
data = stats::setNames(arms()[[3]],arms()[[1]]),
multiple = TRUE
)
})