Add 'New color scheme' functionality

papirus-folders

@@ -52,11 +52,13 @@ usage() {
 	cat <<- EOF
 	USAGE
 	  $ $PROGNAME [options] -t <theme> {-C --color} <color>
+	  $ $PROGNAME [options] -t <theme> {-N --new} <color> --shadow <#rrggbb> --accent-dark -<#rrggbb> -accent <#rrggbb> 
 	  $ $PROGNAME [options] -t <theme> {-D --default}
 	  $ $PROGNAME [options] -t <theme> {-R --restore}
 
 	OPERATIONS
 	  -C --color <color>  change color of folders
+	  -N --new <color>    create new color scheme and switch to it
 	  -D --default        back to the default color
 	  -R --restore        restore the last used color from the config file
 
@@ -113,6 +115,31 @@ _is_valid_color() {
 	return 1
 }
 
+# Validate a single hex: must be #rrggbb
+_is_valid_hex() {
+	local hex="$1"
+	if ! [[ "$hex" =~ ^\#[0-9A-Fa-f]{6}$ ]]; then
+		err "Invalid hex color: '$hex'. Must be in format #rrggbb"
+		return 0
+	else
+		return 1
+	fi
+}
+
+# Validate all hexes
+validate_hexes() {
+	local colors=("$COLOR_SHADOW" "$COLOR_ACCENT_DARK" "$COLOR_ACCENT")
+	local validated=1
+	for c in "${colors[@]}"; do
+		if _is_valid_hex "$c"; then
+			validated=0
+		fi
+	done
+	if [ ! $validated -eq 1 ]; then
+		fatal "One or more arguments have invalid hex colors."
+	fi
+}
+
 declare_colors() {
 	local -a colors=()
 
@@ -310,6 +337,34 @@ do_change_color() {
 	esac
 }
 
+do_new_scheme() {
+	# Check if the color scheme exist already
+	if _is_valid_color "$SELECTED_COLOR"; then
+		# Switch if the scheme already exists
+		msg 'Theme exists already.'
+		do_change_color
+	else
+		# Check if new hex arguments are valid
+		validate_hexes
+		verify_privileges
+
+		# Copy blue file folder
+		msg "Copying default files to new color scheme..."
+		local regex_blue=".*-blue\(\.\|\-\).*"
+		find "$THEME_DIR"/*/places -type f -regex "$regex_blue" -print0 | while IFS= read -r -d '' src; do
+			dst="${src/blue/${SELECTED_COLOR}}";
+			cp -p "$src" "$dst"
+		done
+
+		# Replace hex values
+		local regex=".*-${SELECTED_COLOR}\(\.\|\-\).*"
+		find "$THEME_DIR"/*/places -type f -regex "$regex" -print0 | xargs --null sed -i -e "s/#1d344f/$COLOR_SHADOW/g" -e "s/#4877b1/$COLOR_ACCENT_DARK/g" -e "s/#5294e2/$COLOR_ACCENT/g"
+
+		# Change theme to newly created theme
+		do_change_color
+	fi
+}
+
 do_revert_default() {
 	verify_privileges
 
@@ -425,9 +480,13 @@ parse_args() {
 			--update-caches)  args+=( -u ) ;;
 			--verbose)        args+=( -v ) ;;
 			--color|--colour) args+=( -C ) ;;
+			--new)			  args+=( -N ) ;;
 			--default)        args+=( -D ) ;;
 			--restore)        args+=( -R ) ;;
 			--version)        args+=( -V ) ;;
+			--shadow)		  args+=( -s ) ;;
+			--accent-dark)    args+=( -d ) ;;
+			--accent)         args+=( -a ) ;;
 			--[0-9a-zA-Z]*)
 				err "illegal option -- '$arg'"
 				usage 2
@@ -439,11 +498,14 @@ parse_args() {
 	# Reset the positional parameters to the short options
 	set -- "${args[@]}"
 
-	while getopts ":C:DRlot:uvVh" opt; do
+	while getopts ":C:N:DRlot:uvVh:s:d:a:" opt; do
 		case "$opt" in
 			C ) OPERATIONS+=("change-color")
 				SELECTED_COLOR="$OPTARG"
 				;;
+			N ) OPERATIONS+=("new-scheme")
+				SELECTED_COLOR="$OPTARG"
+				;;
 			D ) OPERATIONS+=("revert-default") ;;
 			R ) OPERATIONS+=("restore-color") ;;
 			l ) OPERATIONS+=("list-colors") ;;
@@ -455,6 +517,9 @@ parse_args() {
 				exit 0
 				;;
 			h ) usage 0 ;;
+			s ) COLOR_SHADOW="$OPTARG" ;;
+			d ) COLOR_ACCENT_DARK="$OPTARG" ;;
+			a ) COLOR_ACCENT="$OPTARG" ;;
 			: ) err "option requires an argument -- '-$OPTARG'"
 				usage 2
 				;;
@@ -516,6 +581,9 @@ main() {
 			change-color)
 				do_change_color
 				;;
+			new-scheme)
+				do_new_scheme
+				;;
 			revert-default)
 				do_revert_default
 				;;