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Author: PaulJonasJost

program/shinyApp/R/constants/ui_styles.R

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+#' UI Style Constants for cOmicsArt
+#'
+#' Centralized styling definitions for consistent UI appearance.
+#' This file contains all color palettes and style strings used throughout the app.
+#'
+#' @author cOmicsArt Development Team
+#' @date 2026-06-14
+
+# Color Palette ----------------------------------------------------------------
+
+#' Primary background color (light green with transparency)
+COMICSART_PRIMARY_BG <- "#70BF4F47"
+
+#' Primary text color (white)
+COMICSART_PRIMARY_TEXT <- "#ffffff"
+
+#' Secondary background color (white)
+COMICSART_SECONDARY_BG <- "white"
+
+#' Secondary text color (black)
+COMICSART_SECONDARY_TEXT <- "black"
+
+#' Border color (black)
+COMICSART_BORDER_COLOR <- "#000000"
+
+#' Link color (black)
+COMICSART_LINK_COLOR <- "black"
+
+#' Transparent background
+COMICSART_TRANSPARENT_BG <- "transparent"
+
+#' Loading/waiter overlay color (blue with transparency)
+COMICSART_WAITER_COLOR <- "#3897F147"
+
+# Button Styles ----------------------------------------------------------------
+
+#' Primary button style (green background, white text)
+#'
+#' Use for main action buttons like "Start the Journey", "Go to Preprocessing"
+#'
+#' @export
+STYLE_PRIMARY_BUTTON <- sprintf(
+  "color: %s; background-color: %s; border-color: %s",
+  COMICSART_PRIMARY_TEXT,
+  COMICSART_PRIMARY_BG,
+  COMICSART_BORDER_COLOR
+)
+
+#' Secondary button style (white background, black text)
+#'
+#' Use for secondary actions like "Upload new data", "GO!"
+#'
+#' @export
+STYLE_SECONDARY_BUTTON <- sprintf(
+  "color: %s; background-color: %s; border-color: %s",
+  COMICSART_SECONDARY_TEXT,
+  COMICSART_SECONDARY_BG,
+  COMICSART_BORDER_COLOR
+)
+
+#' Transparent button style (no background, black text)
+#'
+#' Use for toggle buttons or less prominent actions
+#'
+#' @export
+STYLE_TRANSPARENT_BUTTON <- sprintf(
+  "color: %s; background-color: %s; border-color: %s",
+  COMICSART_SECONDARY_TEXT,
+  COMICSART_TRANSPARENT_BG,
+  COMICSART_TRANSPARENT_BG
+)
+
+# Link Styles ------------------------------------------------------------------
+
+#' Underlined link style (18px font, black, underlined)
+#'
+#' Use for prominent links like "Go To Documentation"
+#'
+#' @export
+STYLE_UNDERLINED_LINK <- "font-size: 18px; color: black; text-decoration: underline;"
+
+# Layout Styles ----------------------------------------------------------------
+
+#' Horizontal line style (gray border)
+#'
+#' Use with hr() for section dividers
+#'
+#' @export
+STYLE_HORIZONTAL_LINE <- "border-top: 1px solid #858585;"
+
+# Helper Functions -------------------------------------------------------------
+
+#' Get button style by type
+#'
+#' Convenience function to retrieve button styles by name.
+#'
+#' @param type Character. One of: "primary", "secondary", "transparent"
+#' @return Character. CSS style string
+#'
+#' @examples
+#' \dontrun{
+#' actionButton("my_btn", "Click Me", style = get_button_style("primary"))
+#' }
+#'
+#' @export
+get_button_style <- function(type = "primary") {
+  switch(type,
+    primary = STYLE_PRIMARY_BUTTON,
+    secondary = STYLE_SECONDARY_BUTTON,
+    transparent = STYLE_TRANSPARENT_BUTTON,
+    stop("Unknown button type: ", type, ". Use 'primary', 'secondary', or 'transparent'.")
+  )
+}
+
+#' Get standardized horizontal line
+#'
+#' Creates an hr() element with consistent styling.
+#'
+#' @return Shiny hr element with standard styling
+#'
+#' @examples
+#' \dontrun{
+#' # In UI:
+#' get_styled_hr()
+#' }
+#'
+#' @export
+get_styled_hr <- function() {
+  hr(style = STYLE_HORIZONTAL_LINE)
+}