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ui <- function() {
shiny::fluidPage(
# Title.
shiny::titlePanel(shiny::HTML(paste0("Rnaught: An Estimation Suite for R", shiny::tags$sub("0")))),
# Sidebar layout.
shiny::sidebarLayout(
# Sidebar. Hidden if the 'About' tab is selected.
shiny::conditionalPanel(condition="input.tabset != 'About'",
shiny::sidebarPanel(id="sidebar",
# Data tab sidebar.
shiny::conditionalPanel(condition="input.tabset == 'Data'",
shiny::h3("Enter data"),
# Data input method selection.
shiny::radioButtons(inputId="dataInputMethod", label="", choices=list("Manually"=1, "Upload a .csv file"=2, "Paste a .csv file"=3)),
# Option 1: Manual entry.
shiny::conditionalPanel(condition="input.dataInputMethod == '1'",
shiny::textInput(inputId="dataName", label="Dataset name"),
shiny::span(shiny::textOutput(outputId="dataNameWarn"), style="color: red;"),
shiny::fluidRow(
shiny::column(8, shiny::textInput(inputId="dataCounts", label=shiny::HTML(paste0(
"Case counts", shiny::tags$sup("[?]", title="Enter as a comma-separated list of positive integers, with at least two entries. Ex: 1,1,2,3,5,8"))))
),
shiny::column(4, shiny::selectInput(inputId="dataUnits", label="Reporting frequency", choices=list("Daily", "Weekly")))
),
shiny::span(shiny::textOutput(outputId="dataCountsWarn"), style="color: red;")
),
# Option 2: Upload .csv file.
shiny::conditionalPanel(condition="input.dataInputMethod == '2'",
shiny::fileInput(inputId="dataUpload", label="", accept=c("text/csv", "text/comma-separated-values,text/plain", ".csv")),
),
# Option 3: Paste .csv file.
shiny::conditionalPanel(condition="input.dataInputMethod == '3'",
shiny::textAreaInput(inputId="dataPaste", label="", rows=8, resize="none"),
),
# Warning text for .csv upload / paste.
shiny::conditionalPanel(condition="['2', '3'].includes(input.dataInputMethod)",
shiny::span(shiny::textOutput(outputId="dataCSVWarn"), style="color: red;"),
),
# Button to add data.
shiny::actionButton(inputId="addData", label="Add"),
),
# Estimators tab sidebar (collapsable entries).
shiny::conditionalPanel(condition="input.tabset == 'Estimators'",
shiny::h3("Estimators"),
# WHITE & PANAGO (WP).
shiny::tags$details(
shiny::tags$summary(shiny::h4("White & Panago (WP)")),
shiny::p("This is a description of the method."),
shiny::br(),
shiny::radioButtons(inputId="serialWPKnown", label="Is the mean serial interval known?", inline=TRUE, choices=list("Yes"=1, "No"=2)),
# Known serial interval.
shiny::conditionalPanel(condition="input.serialWPKnown == '1'",
shiny::fluidRow(
shiny::column(8, shiny::textInput(inputId="serialWPInput", label="Mean Serial Interval")),
shiny::column(4, shiny::selectInput(inputId="serialWPUnits", label="Time units", choices=list("Days", "Weeks")))
),
shiny::span(shiny::textOutput(outputId="serialWPWarn"), style="color: red;")
),
# Unknown serial interval.
shiny::conditionalPanel(condition="input.serialWPKnown == '2'",
shiny::h5("Grid Search Parameters"),
shiny::fluidRow(
shiny::column(4, shiny::textInput(inputId="gridLengthInput", label="Grid length", value="100")),
shiny::column(4, shiny::textInput(inputId="gridShapeInput", label="Max. shape", value="10")),
shiny::column(4, shiny::textInput(inputId="gridScaleInput", label="Max. scale", value="10"))
),
shiny::fluidRow(
shiny::column(4, shiny::span(shiny::textOutput(outputId="gridLengthWarn"), style="color: red;")),
shiny::column(4, shiny::span(shiny::textOutput(outputId="gridShapeWarn"), style="color: red;")),
shiny::column(4, shiny::span(shiny::textOutput(outputId="gridScaleWarn"), style="color: red;"))
)
),
shiny::actionButton(inputId="addWP", label="Add")
),
# SEQUENTIAL BAYES (seqB).
shiny::tags$details(
shiny::tags$summary(shiny::h4("Sequential Bayes (seqB)")),
shiny::p("This is a description of the method."),
shiny::br(),
shiny::fluidRow(
shiny::column(8, shiny::textInput(inputId="serialseqBInput", label="Mean Serial Interval")),
shiny::column(4, shiny::selectInput(inputId="serialseqBUnits", label="Time units", choices=list("Days", "Weeks")))
),
shiny::span(shiny::textOutput(outputId="serialseqBWarn"), style="color: red;"),
shiny::textInput(inputId="kappaInput", label=shiny::HTML(paste0("Maximum value of the uniform prior",
shiny::tags$sup("[?]", title="This describes the prior belief of R0, and should be set to a higher value if R0 is believed to be larger. (Default: 20)"))),
value="20"
),
shiny::span(shiny::textOutput(outputId="kappaWarn"), style="color: red;"),
shiny::actionButton(inputId="addseqB", label="Add")
),
# INCIDENCE DECAY (ID).
shiny::tags$details(
shiny::tags$summary(shiny::h4("Incidence Decay (ID)")),
shiny::p("This is a description of the method."),
shiny::br(),
shiny::fluidRow(
shiny::column(8, shiny::textInput(inputId="serialIDInput", label="Mean Serial Interval")),
shiny::column(4, shiny::selectInput(inputId="serialIDUnits", label="Time units", choices=list("Days", "Weeks")))
),
shiny::span(shiny::textOutput(outputId="serialIDWarn"), style="color: red;"),
shiny::actionButton(inputId="addID", label="Add")
),
# INCIDENCE DECAY & EXPONENTIAL ADJUSTEMENT (IDEA).
shiny::tags$details(
shiny::tags$summary(shiny::h4("Incidence Decay and Exponential Adjustement (IDEA)")),
shiny::p("This is a description of the method."),
shiny::br(),
shiny::fluidRow(
shiny::column(8, shiny::textInput(inputId="serialIDEAInput", label="Mean Serial Interval")),
shiny::column(4, shiny::selectInput(inputId="serialIDEAUnits", label="Time units", choices=list("Days", "Weeks")))
),
shiny::span(shiny::textOutput(outputId="serialIDEAWarn"), style="color: red;"),
shiny::actionButton(inputId="addIDEA", label="Add")
),
shiny::tags$style(type="text/css", "summary { display: list-item; cursor: pointer; }"),
shiny::tags$style(type="text/css", "summary h4 { display: inline; }")
)
)
),
# Main panel.
shiny::mainPanel(id="main",
shiny::tabsetPanel(id="tabset", type="tabs",
shiny::tabPanel("About", shiny::br(), "Hello"),
shiny::tabPanel("Data", shiny::br(), shiny::dataTableOutput(outputId="dataTable"), shiny::tags$style(type="text/css", "#dataTable tfoot { display:none; }")),
shiny::tabPanel("Estimators", shiny::br(),
shiny::dataTableOutput(outputId="estTable"),
shiny::tags$style(type="text/css", "#estTable tfoot { display:none; }"),
shiny::downloadButton(outputId="downloadEst", label="Download table as .csv")
)
)
)
)
)
}
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