refactor

live/source/menu.sh

@@ -0,0 +1,53 @@
+function menu {
+    if [ "${1}" ] ; then
+        menu_load "${1}"
+    else
+        export "${menu}"
+        menu_load "${menu}"
+    fi
+}
+
+function menu_color {
+    menu_item \
+    'black'     'blue'          'green'       'cyan' \
+    'red'       'magenta'       'brown'       'light-gray' \
+    'dark-gray' 'light-blue'    'light-green' 'light-cyan' \
+    'light-red' 'light-magenta' 'yellow'      'white'
+}
+
+function menu_init {
+    if [ "${1}" ] ; then
+        menuentry "→ ${menu} → ${1}" { nop }
+    else
+        menuentry "→ ${menu}" { nop }
+    fi
+    menu_split
+    default=2
+}
+
+function menu_item {
+    eval "default=\"id_\${${menu}}\""
+    for item in "${@}" ; do
+        menuentry "${item}" "${menu}" --id "id_${item}" {
+            eval "${2}=\"${1}\""
+            menu
+        }
+    done
+    unset item
+}
+
+function menu_load {
+    menu="${1}"
+    export menu
+    # env_export
+    var_export
+    configfile "${live}/menu/${menu}.sh"
+}
+
+function menu_split {
+    if [ "${1}" ] ; then
+        menuentry '' --id "${1}" { nop }
+    else
+        menuentry '' { nop }
+    fi
+}