feat: Change the source of assets.

CHANGELOG.md

@@ -1,7 +1,6 @@
-# Change Log
-All notable changes to this project will be documented in this file.
+## [development]
 
-## Upcoming
+- `shiny.semantic` no longer uses CDN as the default source of assets. Instead, `semantic.assets` package was introduced.
 
 ## [0.4.2]
 
@@ -43,7 +42,7 @@ All notable changes to this project will be documented in this file.
 
 - to modals: `modalDialog`, `removeModal`, `remove_all_modals`
 
-- new STYLEGUIDE introduced 
+- new STYLEGUIDE introduced
 
 - horizontal menu
 

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: shiny.semantic
 Type: Package
 Title: Semantic UI Support for Shiny
-Version: 0.4.3.9000
+Version: 0.4.3.9001
 Authors@R: c(person("Filip", "Stachura", email = "[email protected]", role = "aut"),
   person("Dominik", "Krzeminski", email = "[email protected]", role = "aut"),
   person("Krystian", "Igras", email = "[email protected]", role = "aut"),
@@ -39,7 +39,8 @@ Imports:
     jsonlite,
     grDevices,
     glue,
-    R6
+    R6,
+    semantic.assets
 Suggests:
     dplyr,
     tibble,
@@ -53,5 +54,6 @@ Suggests:
     rmarkdown,
     markdown,
     rcmdcheck,
-    mockery
+    mockery,
+    withr
 RoxygenNote: 7.2.3

NAMESPACE

@@ -3,7 +3,6 @@
 export(COLOR_PALETTE)
 export(Progress)
 export(SIZE_LEVELS)
-export(SUPPORTED_THEMES)
 export(accordion)
 export(actionButton)
 export(action_button)
@@ -12,7 +11,6 @@ export(calendar)
 export(card)
 export(cards)
 export(check_proper_color)
-export(check_semantic_theme)
 export(checkboxInput)
 export(checkbox_input)
 export(close_toast)

R/constants.R

@@ -8,13 +8,6 @@ COLOR_PALETTE <- c("#A333C8", "#21BA45", "#2185D0", "#DB2828", "#F2711C", "#FBBD
 names(COLOR_PALETTE) <- c("purple", "green", "blue", "red", "orange", "yellow", "olive", "teal",
                              "violet", "pink", "brown", "grey", "black")
 
-#' Supported semantic themes
-#' @export
-SUPPORTED_THEMES <- c("cerulean", "darkly", "paper", "simplex",  # nolint
-                      "superhero", "flatly", "slate", "cosmo",
-                      "readable",  "united", "journal", "solar",
-                      "cyborg", "sandstone", "yeti", "lumen", "spacelab")
-
 #' Allowed sizes
 #' @export
 SIZE_LEVELS <- c("mini", "tiny", "small", "", "large", "huge", "massive")

R/dropdown.R

@@ -287,8 +287,8 @@ updateSelectInput <- function(session, inputId, label = NULL, choices = NULL, se
 #' @export
 theme_selector <- function(input_id = "theme", label = "Choose theme") {
   dropdown_content <- dropdown_input(
-    "theme", choices = c("default", SUPPORTED_THEMES),
-    choices_value = c("", SUPPORTED_THEMES),
+    "theme", choices = c("default", semantic.assets::SUPPORTED_THEMES),
+    choices_value = c("", semantic.assets::SUPPORTED_THEMES),
     type = "selection fluid themes-dropdown"
   )
   shiny::div(

R/semanticPage.R

@@ -1,15 +1,37 @@
-#' Get CDN path semantic dependencies
+#' Get dependencies path
 #'
-#' Internal function that returns path string from `shiny.custom.semantic.cdn` options.
-#'
-#' @examples
-#' ## Load shiny.semantic dependencies from local domain.
-#' options("shiny.custom.semantic.cdn" = "shiny.semantic")
-#'
-#' @return CDN path of semantic dependencies
+#' @return path with css and js files
 #' @keywords internal
-get_cdn_path <- function() {
-  getOption("shiny.custom.semantic.cdn", default = "https://d335w9rbwpvuxm.cloudfront.net/2.8.3")
+get_dependencies_path <- function() {
+  if (!is.null(getOption("shiny.custom.semantic"))) {
+    return(
+      list(
+        src = c(file = getOption("shiny.custom.semantic")),
+        type = "custom"
+      )
+    )
+  }
+
+  if (!is.null(getOption("shiny.custom.semantic.cdn"))) {
+    return(
+      list(
+        src = c(href = getOption("shiny.custom.semantic.cdn")),
+        type = "cdn"
+      )
+    )
+  }
+
+  list(
+    src = c(
+      file = system.file(
+        "www",
+        "shared",
+        "semantic",
+        package = "semantic.assets"
+      )
+    ),
+    type = "local"
+  )
 }
 
 #' Add dashboard dependencies to html
@@ -21,85 +43,49 @@ get_cdn_path <- function() {
 #' @return Content with appended dependencies.
 #' @keywords internal
 get_dependencies <- function(theme = NULL) {
-  minfield <- if (getOption("shiny.minified", TRUE)) "min" else NULL
-  javascript_file <- paste(c("semantic", minfield, "js"), collapse = ".")
-  css_files <- c(check_semantic_theme(theme, full_url = FALSE))
+  dep_src <- get_dependencies_path()
 
-  dep_src <- NULL
-  if (!is.null(getOption("shiny.custom.semantic", NULL))) {
-    dep_src <- c(file = getOption("shiny.custom.semantic"))
-  } else if (isTRUE(getOption("shiny.semantic.local", FALSE))) {
-    if (!is.null(theme)) {
-      warning("It's not posible use local semantic version with themes. Using CDN")
-    } else {
-      dep_src <- c(
-        file = system.file(
-          "www",
-          "shared",
-          "semantic",
-          package = "shiny.semantic"
-        )
-      )
-    }
-  }
+  minified <- if (getOption("shiny.minified", TRUE)) "min" else NULL
+  javascript_file <- paste(c("semantic", minified, "js"), collapse = ".")
+
+  css_file <- get_css_file(
+    type = dep_src$type,
+    theme = theme,
+    minified = minified
+  )
 
-  if (is.null(dep_src)) {
-    dep_src <- c(href = get_cdn_path())
-  }
   shiny::tagList(
-    htmltools::htmlDependency("semantic-ui",
-                              "2.8.3",
-                              dep_src,
-                              script = javascript_file,
-                              stylesheet = css_files
+    shiny::tagList(
+      htmltools::htmlDependency(
+        "semantic-ui",
+        "2.8.3",
+        dep_src$src,
+        script = javascript_file,
+        stylesheet = css_file
+      )
     )
   )
 }
 
-#' Get default semantic css
+#' Get css file
 #'
-#' @param full_url define return output filename or full path. Default TRUE
+#' @param type define type of dependencies source
+#' @param theme define theme
+#' @param minified define if minified version should be used
 #'
-#' @return path to default css semantic file or default filename
+#' @return css file name
 #' @keywords internal
-get_default_semantic_theme <- function(full_url = TRUE) {
-  minfield <- if (getOption("shiny.minified", TRUE)) "min" else NULL
-  css_file <- paste(c("semantic", minfield, "css"), collapse = ".")
-  path <- file.path(get_cdn_path(), css_file, fsep = "/")
-  return(c(ifelse(full_url, path, css_file)))
-}
+get_css_file <- function(type, theme = NULL, minified = NULL) {
+  if (type == "custom") {
+    return(theme)
+  }
 
-#' Semantic theme path validator
-#'
-#' @param theme_css it can be either NULL, character with css path, or theme name
-#' @param full_url boolean flag that defines what is returned, either filename, or full path. Default TRUE
-#'
-#' @return path to theme or filename
-#' @export
-#'
-#' @examples
-#' check_semantic_theme(NULL)
-#' check_semantic_theme("darkly")
-#' check_semantic_theme("darkly", full_url = FALSE)
-check_semantic_theme <- function(theme_css, full_url = TRUE) {
-  minfield <- if (getOption("shiny.minified", TRUE)) "min" else NULL
-  if (is.null(theme_css)) return(get_default_semantic_theme(full_url))
-  if (tools::file_ext(theme_css) == "css") return(theme_css)
-  if (theme_css %in% SUPPORTED_THEMES) {
-    if (full_url)
-      return(
-        file.path(
-          get_cdn_path(),
-          paste(c("semantic", theme_css, minfield, "css"), collapse = "."),
-          fsep = "/"
-        )
-      )
-    else
-      return(paste(c("semantic", theme_css, minfield, "css"), collapse = "."))
-  } else {
-    warning(paste("Theme ", theme_css, "not recognized. Default used instead!"))
-    return(get_default_semantic_theme(full_url))
+  if (type == "local" && !(is.null(theme) || theme %in% semantic.assets::SUPPORTED_THEMES)) {
+    warning(paste("Theme ", theme, "not recognized. Default used instead!"))
+    theme <- NULL
   }
+
+  paste(c("semantic", theme, minified, "css"), collapse = ".")
 }
 
 #' Semantic UI page
@@ -121,7 +107,8 @@ check_semantic_theme <- function(theme_css, full_url = TRUE) {
 #' wrapper (e.g. style, class etc.)
 #' @param title A title to display in the browser's title bar.
 #' @param theme Theme name or path. Full list of supported themes you will find in
-#' \code{SUPPORTED_THEMES} or at http://semantic-ui-forest.com/themes.
+#' \code{\link[semantic.assets:SUPPORTED_THEMES]{semantic.assets::SUPPORTED_THEMES}}
+#' or at http://semantic-ui-forest.com/themes.
 #' @param suppress_bootstrap boolean flag that supresses bootstrap when turned on
 #' @param margin character with body margin size
 #' @examples

R/shiny.R

@@ -9,9 +9,8 @@
 #' There are a number of global options that affect shiny.semantic as well as
 #' Shiny behavior.The options can be set globally with `options()`
 #' \describe{
-#' \item{shiny.custom.semantic.cdn (defaults is internal CDN)}{This controls from where the css
+#' \item{shiny.custom.semantic.cdn (defaults to `NULL`)}{This controls from where the css
 #' and javascripts will be downloaded.}
-#' \item{shiny.semantic.local (defaults to `FALSE`)}{This allows to use only local dependency.}
 #' \item{shiny.custom.semantic (defaults to `NULL`)}{This allows to set custom local path
 #' to semantic dependencies.}
 #' \item{shiny.minified (defaults to `TRUE`)}{Defines including JavaScript as a minified or

R/uirender.R

@@ -26,7 +26,7 @@ uirender <- function(ui, width = NULL, height = NULL, element_id = NULL) {
   # forward options using x
   args <- list(
     ui = toString(ui),
-    shiny_custom_semantic = get_cdn_path()
+    shiny_custom_semantic = get_dependencies_path()$src[[1]]
   )
 
   # create widget