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library(shiny)
library(plotly)
ui <- fluidPage(
radioButtons("plotType", "Plot Type:", choices = c("ggplotly", "plotly")),
plotlyOutput("plot"),
verbatimTextOutput("hover"),
verbatimTextOutput("click"),
verbatimTextOutput("brush")
)
server <- function(input, output, session) {
nms <- row.names(mtcars)
output$plot <- renderPlotly({
if (identical(input$plotType, "ggplotly")) {
p <- ggplot(mtcars, aes(x = mpg, y = wt, key = nms)) + geom_point()
ggplotly(p) %>% layout(dragmode = "select")
} else {
plot_ly(mtcars, x = ~mpg, y = ~wt, key = nms) %>%
layout(dragmode = "select")
}
})
output$hover <- renderPrint({
d <- event_data("plotly_hover")
if (is.null(d)) "Hover events appear here (unhover to clear)" else d
})
output$click <- renderPrint({
d <- event_data("plotly_click")
if (is.null(d)) "Click events appear here (double-click to clear)" else d
})
output$brush <- renderPrint({
d <- event_data("plotly_selected")
if (is.null(d)) "Click and drag events (i.e., select/lasso) appear here (double-click to clear)" else d
})
}
shinyApp(ui, server, options = list(display.mode = "showcase"))
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