Nothing
#This script is necessary in the app folder
#but the user should not have to edit it
#Output Graph Function
graphOutput <- function(inputId, width="100%", height="550px") {
tagList(
singleton(tags$head(
tags$script(src="plotlyGraphWidget.js")
)),
tags$iframe(id=inputId, src="https://plot.ly/~playground/7.embed",
class="graphs", style="border:none;", seamless=TRUE, width=width, height=height)
)
}
renderGraph <- function(expr, env=parent.frame(), quoted=FALSE) {
## This gets called when inputs change --
## Place data wrangling code in here
## and pass the result to the client
## to be graphed.
installExprFunction(expr, "func", env, quoted)
function(){
data = func();
## data is the state of the widgets: see server.R
## this function returns a list of named lists that descripe
## valid postMessage commands to be sent to the embedded iframe.
## see binding.renderValue for the receiving JS side of this function
## and https://github.com/plotly/Embed-API for more about the postMessage
## graph messages
return(data)
}
}
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