R/mod_geo_selection.R

In Metropolitan-Council/planting.shade: Tree planting and preservation prioritization tool

#' geo_selection UI Function
#'
#' @description A shiny Module.
#'
#' @param id,input,output,session Internal parameters for {shiny}.
#'
#' @noRd
#'
#' @importFrom shiny NS tagList

mod_geo_selection_ui <- function(id) {
  ns <- NS(id)
  tagList(
    HTML("<h2><section style='font-size:20pt'>Geography</h2>"),
    radioButtons(
      ns("geo"),
      label = HTML("</section><p><section style='font-weight: normal;' class='d-none d-lg-block'>Make a selection to create a custom report. <strong>Scoll down to read and download the report.</strong></section></p>"),
      choiceNames = list(
        "Cities and townships",
        HTML("<section class='d-block d-lg-none'>Neighborhoods</section>
                              <section class='d-none d-lg-block'>Neighborhoods</section>"),
        "Census block group"
      ),
      choiceValues = list("ctus", "nhood", "blockgroups"),
      selected = "ctus",
    ),
    fluidRow(
      column(
        width = 6,
        conditionalPanel(
          ns = ns,
          condition = "input.geo == 'ctus'",
          shinyWidgets::pickerInput(
            ns("cityInput"),
            label = shiny::HTML(paste0("<h3><span style='font-size:14pt'>Pick a city or township</span></h3>")),
            choices = ctu_list$GEO_NAME,
            options = list(
              title = "Pick a city or township", size = 10,
              `live-search` = TRUE
            ),
            multiple = FALSE,
            selected = ui_params$set[ui_params$param == "cityselected"]
          )
        ),
        conditionalPanel(
          ns = ns,
          condition = "input.geo == 'nhood'",
          shinyWidgets::pickerInput(
            ns("nhoodInput"),
            label = shiny::HTML(paste0("<h4><span style='font-size:14pt'>Pick a neighborhood</span></h4>")),
            choices = nhood_ui,
            options = list(
              title = NULL, size = 10,
              `live-search` = TRUE
            ),
            multiple = FALSE,
            selected = ui_params$set[ui_params$param == "nhoodselected"]
          )
        ),
        conditionalPanel(
          ns = ns,
          condition = "input.geo == 'blockgroups'",
          HTML("Please click on an area within the map at right.")
        )
      ),
      column(
        width = 6,
        div(
          style = "color:'green';",
          shinyWidgets::radioGroupButtons(
            ns("mapfilter"),
            label = HTML("<h4><span style='font-size:14pt'>Map priority scores</span></h4>"),
            choices = c(
              "All scores" = "nofilter",
              ">4" = "above4",
              ">5" = "above5",
              ">6" = "above6",
              ">7" = "above7"
            ),
            selected = "nofilter"
          )
        )
      )
    )
  )
}

#' geo_selection Server Functions
#'
#' @noRd
mod_geo_selection_server <- function(id) {
  moduleServer(id, function(input, output, session) {
    ns <- session$ns

    input_values <- reactiveValues()
    observe({
      input_values$selected_geo <- input$geo
      input_values$mapfilter <- input$mapfilter
      input_values$selected_area <- if (input$geo == "ctus") {
        input$cityInput
      } else if (input$geo == "nhood") {
        input$nhoodInput
      } else {
        ""
      }
    })
    return(input_values)
  })
}

## To be copied in the UI
# mod_geo_selection_ui("geo_selection_ui_1")

## To be copied in the server
# mod_geo_selection_server("geo_selection_ui_1")