Last active
October 14, 2015 05:36
-
-
Save jcheng5/e9c7c83cc0168a6fcf4c to your computer and use it in GitHub Desktop.
Interactive date range selection using dygraphs
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
library(shiny) | |
library(dygraphs) | |
# Helper function to present Shiny controls in a dialog-like layout | |
dialogPage <- function(outputControl) { | |
bootstrapPage( | |
tags$style(" | |
html, body { width: 100%; height: 100%; overflow: none; } | |
#dialogMainOutput { position: absolute; top: 10px; left: 10px; right: 10px; bottom: 40px; } | |
#dialogControls { | |
position: absolute; bottom: 0px; left: 0px; right: 0px; height: 40px; | |
padding: 10px 10px 0 10px; | |
background-color: #444; color: white; | |
}"), | |
tags$div(id = "dialogMainOutput", outputControl), | |
tags$div(id = "dialogControls", | |
textOutput("msg", inline = TRUE), | |
actionButton("done", "Done", class = "btn btn-primary btn-xs pull-right") | |
) | |
) | |
} | |
dyselect <- function(dygraphExpr) { | |
# See below for definition of dialogPage function | |
ui <- dialogPage( | |
dygraphOutput("plot", width = "100%", height = "100%") | |
) | |
server <- function(input, output, session) { | |
# Show the plot... that's important. | |
output$plot <- renderDygraph(dygraphExpr) | |
# Show a message giving instructions, or showing how many | |
# rows are selected | |
output$msg <- renderText({ | |
validate(need(input$plot_date_window, message = FALSE)) | |
paste( | |
format(as.POSIXct(input$plot_date_window)), | |
collapse = " to " | |
) | |
}) | |
# When the Done button is clicked, return the brushed | |
# rows to the caller. | |
observeEvent(input$done, { | |
stopApp(as.POSIXct(input$plot_date_window)) | |
}) | |
} | |
shiny::runApp(shinyApp(ui, server), launch.browser = getOption("viewer", TRUE)) | |
} | |
dygraph(cbind(mdeaths, fdeaths)) %>% dyselect() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment