---
title: "Split-Layout"
author: "David Granjon"
date: "`r Sys.Date()`"
output: rmarkdown::html_vignette
vignette: >
  %\VignetteIndexEntry{Split-Layout}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

```{r, include = FALSE}
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>"
)
```

`f7SplitLayout()` is the third layout introduced with shinyMobile. This template is focused for 
tablet use. It is composed of a sidebar, and a main panel. The sidebar goes in its dedicated slot, corresponding to `f7Panel()`. While `f7Panel()` may also be embedded
in both `f7SingleLayout()` and `f7TabsLayout`, it accepts extra arguments like `f7PanelMenu()` and
`f7PanelItem()`, which are very similar to sidebar items of shinydashboard:

```r
f7Panel(
  title = "Sidebar",
  side = "left",
  theme = "light",
  f7PanelMenu(
    id = "menu",
    f7PanelItem(tabName = "tab1", title = "Tab 1", icon = f7Icon("email"), active = TRUE),
    f7PanelItem(tabName = "tab2", title = "Tab 2", icon = f7Icon("home"))
  ),
  style = "reveal"
)
```

The content must be passed in `...` If you have a menu in the sidebar, you must use the
corresponding body function, namely `f7Items()` and `f7Item()`. Particularly, the *tabName*
argument provided in `f7PanelItem()` and `f7Item()` must exactly match (like in shinydashboard, again).
If you don't have any `f7PanelMenu()`, you can pass tags in the `...` directly. However, 
this prevents you from having a tabbed navigation. 


<div class="marvel-device ipad black">
<div class="camera"></div>
<div class="screen">
<iframe width="100%" src="https://dgranjon.shinyapps.io/miniUI2Split" allowfullscreen="" frameborder="0" scrolling="no" height="770px"></iframe>
</div>
<div class="home"></div>
</div>


```{r, eval=FALSE}
library(shiny)
library(shinyMobile)
library(apexcharter)

fruits <- data.frame(
  name = c('Apples', 'Oranges', 'Bananas', 'Berries'),
  value = c(44, 55, 67, 83)
)

new_mtcars <- reshape(
  data = head(mtcars),
  idvar = "model",
  varying = list(c("drat", "wt")),
  times = c("drat", "wt"),
  direction = "long",
  v.names = "value",
  drop = c("mpg", "cyl", "hp", "dist", "qsec", "vs", "am", "gear", "carb")
)

shinyApp(
  ui = f7Page(
    title = "My app",
    init = f7Init(
      hideNavOnPageScroll = FALSE,
      hideTabsOnPageScroll = FALSE,
      theme = "light"
    ),
    f7SplitLayout(
      sidebar = f7Panel(
        title = "Sidebar",
        side = "left",
        theme = "light",
        f7PanelMenu(
          id = "menu",
          f7PanelItem(
            tabName = "tab1",
            title = "Tab 1",
            icon = f7Icon("equal_circle"),
            active = TRUE
          ),
          f7PanelItem(
            tabName = "tab2",
            title = "Tab 2",
            icon = f7Icon("equal_circle")
          ),
          f7PanelItem(
            tabName = "tab3",
            title = "Tab 3",
            icon = f7Icon("equal_circle")
          )
        ),
        uiOutput("selected_tab"),
        effect = "reveal"
      ),
      navbar = f7Navbar(
        title = "Split Layout",
        hairline = FALSE,
        shadow = TRUE
      ),
      toolbar = f7Toolbar(
        position = "bottom",
        f7Link(label = "Link 1", src = "https://www.google.com"),
        f7Link(label = "Link 2", src = "https://www.google.com", external = TRUE)
      ),
      # main content
      f7Items(
        f7Item(
          tabName = "tab1",
          f7Sheet(
            id = "sheet1",
            label = "Plot Parameters",
            orientation = "bottom",
            swipeToClose = TRUE,
            backdrop = TRUE,
            f7Slider(
              "obs",
              "Number of observations:",
              min = 0, max = 1000,
              value = 500
            )
          ),
          br(),
          plotOutput("distPlot")
        ),
        f7Item(
          tabName = "tab2",
          apexchartOutput("radar")
        ),
        f7Item(
          tabName = "tab3",
          f7Toggle(
            inputId = "plot_show",
            label = "Show Plot?",
            checked = TRUE
          ),
          apexchartOutput("multi_radial")
        )
      )
    )
  ),
  server = function(input, output, session) {

    observeEvent(input$obs, {
      if (input$obs < 500) {
        f7Notif(
          text = paste0("The slider value is only ", input$obs, ". Please
                        increase it"),
          icon = f7Icon("bolt_fill"),
          title = "Alert",
          titleRightText = Sys.Date(),
          session = session
        )
      }
    })


    output$radar <- renderApexchart({
      apex(
        data = new_mtcars,
        type = "radar",
        mapping = aes(
          x = model,
          y = value,
          group = time)
      )
    })

    output$selected_tab <- renderUI({
      HTML(paste0("Access the currently selected tab: ", strong(input$menu)))
    })

    output$distPlot <- renderPlot({
      dist <- rnorm(input$obs)
      hist(dist)
    })

    output$multi_radial <- renderApexchart({
      if (input$plot_show) {
        apex(data = fruits, type = "radialBar", mapping = aes(x = name, y = value))
      }
    })

  }
)
```
