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library(shiny) |
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library(shinyjs) |
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library(shinyWidgets) |
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library(shinythemes) |
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library(GWalkR) |
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ui <- fluidPage( |
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includeCSS("styles.css"), |
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useShinyjs(), |
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setBackgroundColor(color = c("white","#007acc"),gradient = c("linear","radial")), |
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title = "Data Explorer", |
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theme = shinytheme("cerulean"), |
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tags$h3(id = "title", tags$strong("Graphic-Walker Data Explorer"),style = "text-align:center;color:#007acc;"), |
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tags$a(href = "https://github.com/Ifeanyi55", tags$strong("Maintainer"),target = "_blank",style = "text-decoration:none;color:#007acc;margin-left:1250px;margin-bottom:1000px"), |
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br(),br(), |
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sidebarLayout(sidebarPanel = "", |
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mainPanel(align = "center", |
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width = 12, |
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fileInput("target_upload",h5(strong("Click to Upload CSV File"),style = "color:#007acc;"), |
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accept = c("text/csv"), |
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buttonLabel = strong("Select File",style = "color:#007acc;"), |
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placeholder = "No file selected"), |
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actionButton("reset",strong("Reset"),icon = icon("refresh"),style = "color:#007acc;"), |
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a(href = "https://github.com/Kanaries/GWalkR",h6(strong("Learn More"),style = "color:#007acc;margin-left:-1220px;margin-top:-170px;font-size:15px;"),target = "_blank",style = "text-decoration: none;"), |
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gwalkrOutput(outputId = "explorer",width = "101%") |
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) |
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) |
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) |
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server <- function(input,output,session){ |
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options(shiny.maxRequestSize = 100 * 1024^2) |
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file_upload <- reactive({ |
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inFile <- input$target_upload |
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if(is.null(inFile)){return(NULL)} |
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data <- read.csv(inFile$datapath,header = TRUE,sep = ",") |
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return(data) |
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}) |
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output$explorer <- renderGwalkr({ |
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tryCatch( |
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{ |
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gwalkr(file_upload()) |
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}, |
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error = function(e){ |
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message("Could not display interface") |
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} |
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) |
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}) |
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observeEvent(input$reset,{ |
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runjs("location.reload();") |
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}) |
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} |
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shinyApp(ui,server) |
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