我想在用户点击列高图图表的栏中时检测到一些信息.如果在图例中选择了名称或者单击了背景,我需要知道所单击栏的名称和类别.名称部分没问题,但是我无法发现哪些是我必须编写的JS代码才能知道这类信息.
非常感谢
library("shiny")
library("highcharter")
ui <- shinyUI(
fluidPage(
column(width = 8, highchartOutput("hcontainer", height = "500px")),
column(width = 4, textOutput("text"))
)
)
server <- function(input, output) {
a <- data.frame(b = LETTERS[1:10], c = 11:20, d = 21:30, e = 31:40)
output$hcontainer <- renderHighchart({
myClickFunc <- JS("function(event) {Shiny.onInputChange('hcClicked', this.name);}")
highchart() %>%
hc_xAxis(categories = a$b) %>%
hc_add_serie(name = "c", data = a$c) %>%
hc_add_serie(name = "d", data = a$d) %>%
hc_add_serie(name = "e", data = a$e) %>%
hc_plotOptions(series = list(stacking = FALSE, …