## ----setup, include=FALSE-----------------------------------------------------
knitr::opts_chunk$set(echo = TRUE)
library(manipulateWidget)

## ----eval=FALSE---------------------------------------------------------------
# manipulateWidget(
#   myPlotFun(country),
#   country = mwSelect(c("BE", "DE", "ES", "FR"))
# )

## ----eval=FALSE---------------------------------------------------------------
# manipulateWidget(
#   myPlotFun(distribution, range, title),
#   distribution = mwSelect(choices = c("gaussian", "uniform")),
#   range = mwSlider(2000, 2100, value = c(2000, 2100), label = "period"),
#   title = mwText()
# )

## ----eval=FALSE---------------------------------------------------------------
# help(package = "manipulateWidget")

## ----combine, warning=FALSE, out.width="100%"---------------------------------
library(dygraphs)

plotRandomTS <- function(id) {
  dygraph(data.frame(x = 1:10, y = rnorm(10)), main = paste("Random plot", id))
}

combineWidgets(plotRandomTS(1), plotRandomTS(2))

## ----combine_complex_layout, out.width="100%"---------------------------------
combineWidgets(
  ncol = 2, colsize = c(2, 1),
  plotRandomTS(1),
  combineWidgets(
    ncol = 1,
    plotRandomTS(2),
    plotRandomTS(3),
    plotRandomTS(4)
  )
)

## ----combine_content, , out.width="100%", out.height=400----------------------
combineWidgets(
  plotRandomTS(1),
  plotRandomTS(2),
  plotRandomTS(3),
  plotRandomTS(4),
  title = "Four random plots",
  header = "Here goes the header content. <span style='color:red'>It can include html code</span>.",
  footer = "Here goes the footer content.",
  leftCol = "<div style='margin-top:150px;'>left column</div>",
  rightCol = "<div style='margin-top:150px;'>right column</div>"
)

## ----eval=FALSE---------------------------------------------------------------
# mydata <- data.frame(
#   timeId = 1:100,
#   series1 = rnorm(100),
#   series2 = rnorm(100),
#   series3 = rnorm(100)
# )
# manipulateWidget(
#   dygraph(mydata[range[1]:range[2], c("timeId", series)], main = title),
#   range = mwSlider(1, 100, c(1, 100)),
#   series = mwSelect(c("series1", "series2", "series3")),
#   title = mwText(),
#   .compare = list(
#     title = list("First chart", "Second chart"),
#     series = NULL
#   )
# )

## ----eval = FALSE-------------------------------------------------------------
# mydata <- data.frame(x = 1:100, y = rnorm(100))
# manipulateWidget(
#   dygraph(mydata[range[1]:range[2], ],
#           main = title, xlab = xlab, ylab = ylab),
#   range = mwSlider(1, 100, c(1, 100)),
#   "Graphical parameters" = mwGroup(
#     title = mwText("Fictive time series"),
#     xlab = mwText("X axis label"),
#     ylab = mwText("Y axis label")
#   )
# )

## ----eval=FALSE---------------------------------------------------------------
# mydata <- data.frame(x = 1:100, y = rnorm(100))
# 
# myPlot <- function(type, lwd) {
#   if (type == "points") {
#     plot_ly(mydata, x= ~x, y = ~y, type = "scatter", mode = "markers")
#   } else {
#     plot_ly(mydata, x= ~x, y = ~y, type = "scatter", mode = "lines",
#             line = list(width = lwd))
#   }
# }
# 
# manipulateWidget(
#   myPlot(type, lwd),
#   type = mwSelect(c("points", "lines"), "points"),
#   lwd = mwSlider(1, 10, 1, .display = type == "lines")
# )

## ----dynamic_input, eval=FALSE------------------------------------------------
# colMax <- apply(mtcars, 2, max)
# 
# plotCar <- function(carName) {
#   carValues <- unlist(mtcars[carName, ])
#   carValuesRel <- carValues / colMax
#   plot_ly() %>%
#     add_bars(x = names(mtcars), y = carValuesRel, text = carValues,
#              hoverinfo = c("x+text"))
# }
# 
# carChoices <- split(row.names(mtcars), mtcars$cyl)
# 
# str(carChoices)
# ## $ 4: chr [1:11] "Datsun 710" "Merc 240D" "Merc 230" "Fiat 128" ...
# ## $ 6: chr [1:7] "Mazda RX4" "Mazda RX4 Wag" "Hornet 4 Drive" "Valiant" ...
# ## $ 8: chr [1:14] "Hornet Sportabout" "Duster 360" "Merc 450SE" "Merc 450SL" ...
# 
# manipulateWidget(
#   plotCar(car),
#   cylinders = mwSelect(c("4", "6", "8")),
#   car = mwSelect(choices = carChoices[[cylinders]])
# )

## ----eval=FALSE---------------------------------------------------------------
# lon <- rnorm(10, sd = 20)
# lat <- rnorm(10, sd = 20)
# 
# myMapFun <- function(radius, color, initial, session, outputId) {
#   if (initial) {
#     # Widget has not been rendered
#     map <- leaflet() %>% addTiles()
#   } else {
#     # widget has already been rendered
#     map <- leafletProxy(outputId, session) %>% clearMarkers()
#   }
# 
#   map %>% addCircleMarkers(lon, lat, radius = radius, color = color)
# }
# 
# manipulateWidget(myMapFun(radius, color, .initial, .session, .output),
#                  radius = mwSlider(5, 30, 10),
#                  color = mwSelect(c("red", "blue", "green")))
#