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plot_line.R
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plot_line.R
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#' Plot - Line
#' @param data data
#' @param xvar xvar
#' @param yvar yvar
#' @param group group
#' @param attr attr
#' @param row facet row in grid
#' @param column facet column in grid
#' @param height height of plot
#' @param width width of plot
#' @param theme theme
#' @param title title of plot
#' @param subtitle subtitle of plot
#' @param xlab x-axis
#' @param ylab y-axis label
#' @param caption caption
#' @param show_code show/hide code
#' @param code additional code
#' @import shiny
#' @import ggplot2
#' @importFrom shinyjs hidden removeClass addClass toggle runjs
#' @importFrom shinyWidgets switchInput prettyCheckbox
#' @importFrom stringr str_detect
#' @return No return value. This function is called for the side effect of
#' launching a shiny application.
#' @examples
#' if (interactive()) {
#' plot_line(mtcars)
#' }
#' @export
plot_line <- function(data, xvar, yvar, theme, group, attr, code, row, column, width, height, title, subtitle, xlab, ylab, caption, show_code){
if (missing(xvar)) {xvar = ""} else {xvar = deparse(substitute(xvar))}
if (missing(yvar)) {yvar = ""} else {yvar = deparse(substitute(yvar))}
if (missing(attr)) {attr = FALSE}
if (missing(group)) {group = ""} else {group = deparse(substitute(group))}
if (missing(row)) {row = ""} else {row = deparse(substitute(row))}
if (missing(column)) {column = ""} else {column = deparse(substitute(column))}
if (missing(height)) {height = NA}
if (missing(width)) {width = NA}
if (missing(title)) {title = ""}
if (missing(subtitle)) {subtitle = ""}
if (missing(caption)) {caption = ""}
if (missing(xlab)) {xlab = ""}
if (missing(ylab)) {ylab = ""}
if (missing(theme)) {theme = "theme_bw"} else {theme = deparse(substitute(theme))}
if (missing(code)) {code = ""}
if (missing(show_code)) {show_code = FALSE}
plot_line_ui <- function(id,
line_xvar = xvar,
line_yvar = yvar,
line_group = group,
line_attr = attr,
line_wraprow = row,
line_wrapcol = column,
line_height = height,
line_width = width,
line_theme = theme,
line_title = title,
line_subtitle = subtitle,
line_caption = caption,
line_xlab = xlab,
line_ylab = ylab,
line_code = code,
line_showcode = show_code) {
ns <- NS(id)
tagList(
div(id = ns('placeholder1'), class = "parent",
div(class = "inputresultview", style = "display: flex; margin-top: 10px; margin-bottom: 10px;",
div(class = "input-view well", style = "padding-right: 0; width: 350px;",
div(class = "custom-scroll",
div(class = "grid-container",
div("Line", class = "module-name"),
div(class = "cont2", switchInput(NS(id,
"line_instantlocal"),
label = "",
value = TRUE,
size = "mini",
onLabel = "",
offLabel = ""
)),
div(class = "cont3", actionButton(NS(id, "line_run"), class = "btn-play",
label = icon(name = "fas fa-play", lib = "font-awesome")))
),
selectInput(NS(id, "line_xvar"),
label = "X",
choices = c("", names(data)),
selected = line_xvar),
checkboxInput(NS(id, "line_attr"),
label = "Categorical",
value = line_attr),
selectInput(NS(id, "line_yvar"),
label = "Y",
choices = c("", names(data)),
selected = line_yvar),
selectInput(NS(id, "line_group"),
label = "Group",
choices = c("", names(data)),
selected = line_group),
# FACET
actionButton(
NS(id, "toggle_line_facet"),
width = "100%",
class = "module-style",
label = "Facet",
icon = icon("fas fa-caret-down")),
hidden(selectInput(
NS(id, "line_wraprow"),
label = "Row",
choices = c("", names(data)),
selected = line_wraprow),
selectInput(
NS(id, "line_wrapcol"),
label = "Column",
choices = c("", names(data)),
selected = line_wrapcol)),
# TExT
actionButton(NS(id, "toggle_line_text"),
width = "100%",
class = "module-style",
label = "Text",
icon = icon("fas fa-caret-down")
),
hidden(
textInput(NS(id, "line_title"),
label = "Title",
value = line_title),
textInput(NS(id, "line_subtitle"),
label = "Subtitle",
value = line_subtitle),
textInput(NS(id, "line_caption"),
label = "Caption",
value = line_caption),
textInput(NS(id, "line_xlab"),
label = "X-axis label",
value = line_xlab),
textInput(NS(id, "line_ylab"),
label = "Y-axis label",
value = line_ylab)),
# SIZE
actionButton(
NS(id, "toggle_line_size"),
width = "100%",
class = "module-style",
label = "Size",
icon = icon("fas fa-caret-down")),
hidden(numericInput(
NS(id, "line_width"),
label = "Width",
step = 10,
width = "100%",
value = line_width),
numericInput(
NS(id, "line_height"),
label = "Height",
step = 10,
width = "100%",
value = line_height)),
# THEME
actionButton(NS(id, "toggle_line_theme"),
width = "100%",
class = "module-style",
label = "Theme",
icon = icon("fas fa-caret-down")),
hidden(
selectInput(NS(id, "line_theme"),
label = "Theme",
selected = line_theme,
choices = c("",
`Black & White` = "theme_bw",
`Minimal` = "theme_minimal",
`Grey` = "theme_grey",
`Line Draw` = "theme_linedraw",
`Light` = "theme_light",
`Dark` = "theme_dark",
`Classic` = "theme_classic",
`Void` = "theme_void"
))),
actionButton(
NS(id, "toggle_line_code"),
width = "100%",
class = "module-style",
label = "Code",
icon = icon("fas fa-caret-down")),
hidden(
textAreaInput(
NS(id, "line_code"),
value = line_code,
label = NULL
),
prettyCheckbox(NS(id, "line_showcode"),
label = "show/hide",
status = "info",
value = line_showcode
)
)
)),
div(class = "result-view",
fluidRow(
plotOutput(
NS(id, "line_plot"), width = "auto", height = "auto")),
fluidRow(
verbatimTextOutput(
NS(id, "line_text")) %>%
tagAppendAttributes(class = "codeoutput")
)
)
)))
}
plot_line_se <- function(id) {
moduleServer(id, function(input, output, session) {
observeEvent(data, {
updateSelectInput(session, "line_xvar", choices = c("", names(data)))
updateSelectInput(session, "line_yvar", choices = c("", names(data)))
updateSelectInput(session, "line_group", choices = c("", names(data)))
updateSelectInput(
session,
"line_wraprow",
choices = c("", names(data)))
updateSelectInput(
session,
"line_wrapcol",
choices = c("", names(data)))
})
width <- reactive ({
# if(input$line_width == "") {
if (is.na(input$line_width)) {
return(600)
} else {
input$line_width
}
})
height <- reactive ({
if(is.na(input$line_height)) {
return(400)
} else {
input$line_height
}
})
ns <- NS(id)
observeEvent(input$toggle_line_size, {
toggle("line_height")
toggle("line_width")
if(input$toggle_line_size %%2 == 1) {
updateActionButton(session, "toggle_line_size", icon = icon("fas fa-caret-up"))
} else {
updateActionButton(session, "toggle_line_size", icon = icon("fas fa-caret-down"))
}
}, ignoreInit = TRUE)
observeEvent(input$toggle_line_code, {
toggle("line_showcode")
toggle("line_code")
if(input$toggle_line_code %%2 == 1) {
updateActionButton(session, "toggle_line_code", icon = icon("fas fa-caret-up"))
} else {
updateActionButton(session, "toggle_line_code", icon = icon("fas fa-caret-down"))
}
})
observeEvent(input$toggle_line_facet, {
toggle("line_wraprow")
toggle("line_wrapcol")
if(input$toggle_line_facet %%2 == 1) {
updateActionButton(session, "toggle_line_facet", icon = icon("fas fa-caret-up"))
} else {
updateActionButton(session, "toggle_line_facet", icon = icon("fas fa-caret-down"))
}
})
observeEvent(input$toggle_line_text, {
toggle("line_title")
toggle("line_subtitle")
toggle("line_caption")
toggle("line_xlab")
toggle("line_ylab")
if(input$toggle_line_text %%2 == 1) {
updateActionButton(session, "toggle_line_text", icon = icon("fas fa-caret-up"))
} else {
updateActionButton(session, "toggle_line_text", icon = icon("fas fa-caret-down"))
}
})
observeEvent(input$toggle_line_theme, {
toggle("line_theme")
if(input$toggle_line_theme %%2 == 1) {
updateActionButton(session, "toggle_line_theme", icon = icon("fas fa-caret-up"))
} else {
updateActionButton(session, "toggle_line_theme", icon = icon("fas fa-caret-down"))
}
})
code_text <- reactive({
req(isTruthy(input$line_xvar != "") && isTruthy(input$line_yvar != ""))
t <- paste0(
"\n \n ggplot(data, aes(",
if (as.numeric(input$line_attr) == "1") {
paste0("factor(", input$line_xvar, ")")
} else {
input$line_xvar
} , ", ", input$line_yvar,
if(input$line_group != "") {
paste0(", group = ", input$line_group)
},
")) + \n geom_line()"
)
t <- paste(
t,
if (input$line_wraprow != "" && input$line_wrapcol != "") {
paste0("+ \n facet_grid(", input$line_wraprow, " ~ ", input$line_wrapcol, ")")
} else if (input$line_wrapcol != "") {
paste0("+ \n facet_grid(. ~ ", input$line_wrapcol, ")")
} else if (input$line_wraprow != "") {
paste0("+ \n facet_grid(", input$line_wraprow, " ~ . )")
}
)
t <- paste(
t,
if (input$line_theme != "") {
paste0("+ \n ", input$line_theme, "()")
}
)
t <- paste(
t,
if (input$line_title != "") {
paste0("+ \n labs(title = '", input$linet_title, "')")
}
)
t <- paste(
t,
if (input$line_subtitle != "") {
paste0("+ \n labs(subtitle = '", input$line_subtitle, "')")
}
)
t <- paste(
t,
if (input$line_caption != "") {
paste0("+ \n labs(caption = '", input$line_caption, "')")
}
)
t <- paste(
t,
if (input$line_xlab != "") {
paste0("+ \n labs(x = '", input$line_xlab, "')")
}
)
t <- paste(
t,
if (input$line_ylab != "") {
paste0("+ \n labs(y = '", input$line_ylab, "')")
}
)
t <- paste0(
t,
paste0(input$line_code)
)
t
})
observeEvent(input$line_instantlocal, {
if(input$line_instantlocal == TRUE) {
removeClass("line_run", "toggle-btnplay")
} else {
addClass("line_run", "toggle-btnplay")
}
})
run <- reactive({
input$line_run
})
code_text2 <- reactive({
if(input$line_instantlocal) {
code_text()
} else {
req(run())
isolate(code_text())
}
})
output$line_plot <- renderPlot({
eval(parse(text = code_text2()))
},
width = width,
height = height,
)
mod_id <- paste0(id, "-line_")
observeEvent(input$line_showcode, {
if (input$line_showcode == "TRUE") {
runjs(paste0('$("#', mod_id, 'text").css({"visibility":"visible"})'))
}
if (input$line_showcode == "FALSE") {
runjs(paste0('$("#', mod_id, 'text").css({"visibility":"hidden"})'))
}
})
output$line_text <- renderText({
code_text2()
})
})
}
ui <- fluidPage(
shinyjs::useShinyjs(),
tags$head(
tags$style(
HTML('
.input-view .well { width: 350px; margin-left: -10px; }
.well { background-color: #ffffff !important;}
.result-view { margin-left: 20px; width: 700px; }
.toggle-btnplay { visibility: visible; background: none; }
.cont2 .shiny-input-container:not(.shiny-input-container-inline) { width: auto; max-width: 100%; }
.cont3 { margin-left: 10px; visibility: hidden; }
.grid-container { display: flex; }
#code { white-space: pre; margin: 20px; }
.module-name {margin-top: 4px; font-style: italic; width: 275px;}
.shiny-text-output { border: none; margin-top: 20px;}
.bootstrap-switch.bootstrap-switch-focused { border-color: #d4d0d0; outline: 0; -webkit-box-shadow: none; box-shadow: none;}
.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-off, .bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-on, .bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-label {padding: 1px 5px;font-size: 12px;line-height: 1;}
.btn-play {padding: 0 !important; margin-bottom: 10px;border: none;}
.btn-play:hover {color: #000000; background-color: #ffffff;border-color: #ffffff;}
.module-style { text-align: left; background-color: #faf9f7; border: 0; margin-bottom: 5px;}
.parent .row .col-sm-3 {max-width: 400px !important;min-width: 300px !important;}
.custom-scroll {max-height: 80vh;min-height: 30vh;overflow-y: auto;overflow-x: hidden;position: relative;scrollbar-width: thin;padding-right: 15px;}
.custom-scroll::-webkit-scrollbar {width: 4px;background: #faf9f7;}
.custom-scroll::-webkit-scrollbar-track {-webkit-border-radius: 2px;border-radius: 2px;}
.custom-scroll::-webkit-scrollbar-thumb {-webkit-border-radius: 2px;border-radius: 2px;background: #C0C0C0;}
')
)
),
theme = bslib::bs_theme(),
plot_line_ui("module")
)
server <- function(input, output, session) {
plot_line_se("module")
}
shinyApp(ui, server)
}