64 lines
1.3 KiB
R
64 lines
1.3 KiB
R
library(shiny)
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# Define UI for data download app ----
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ui <- fluidPage(
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# App title ----
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titlePanel("Downloading Data"),
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# Sidebar layout with input and output definitions ----
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sidebarLayout(
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# Sidebar panel for inputs ----
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sidebarPanel(
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# Input: Choose dataset ----
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selectInput("dataset", "Choose a dataset:",
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choices = c("rock", "pressure", "cars")),
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# Button
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downloadButton("downloadData", "Download")
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),
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# Main panel for displaying outputs ----
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mainPanel(
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tableOutput("table")
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)
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)
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)
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# Define server logic to display and download selected file ----
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server <- function(input, output) {
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# Reactive value for selected dataset ----
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datasetInput <- reactive({
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switch(input$dataset,
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"rock" = rock,
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"pressure" = pressure,
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"cars" = cars)
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})
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# Table of selected dataset ----
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output$table <- renderTable({
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datasetInput()
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})
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# Downloadable csv of selected dataset ----
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output$downloadData <- downloadHandler(
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filename = function() {
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paste(input$dataset, ".csv", sep = "")
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},
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content = function(file) {
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write.csv(datasetInput(), file, row.names = FALSE)
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}
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)
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}
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# Create Shiny app ----
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shinyApp(ui, server)
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