From 908c7b8cc0a804e9522d93fcf0dc71034c53ccdb Mon Sep 17 00:00:00 2001
From: Daniel <blackrabbit256@gmail.com>
Date: Fri, 3 Dec 2021 07:17:51 +1100
Subject: Add simple menu for better UX (#660)

* Add simple menu for better UX
* Add remove external dependency
* Fix harddisk return value on skip
* Table output for partitioning process
* Switch partitioning to simple menu
* fixup! Switch partitioning to simple menu
* Ignoring complexity and binary operator issues
Only in simple_menu.py
* Added license text to the MIT licensed file
* Added in versioning information
* Fixed some imports and removed the last generic_select() from user_interaction. Also fixed a revert/merged fork of ask_for_main_filesystem_format()
* Update color scheme to match Arch style better
* Use cyan as default cursor color
* Leave simple menu the same

Co-authored-by: Daniel Girtler <girtler.daniel@gmail.com>
Co-authored-by: Anton Hvornum <anton.feeds+github@gmail.com>
Co-authored-by: Dylan M. Taylor <dylan@dylanmtaylor.com>
---
 archinstall/lib/menu.py | 91 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 archinstall/lib/menu.py

(limited to 'archinstall/lib/menu.py')

diff --git a/archinstall/lib/menu.py b/archinstall/lib/menu.py
new file mode 100644
index 00000000..c3436803
--- /dev/null
+++ b/archinstall/lib/menu.py
@@ -0,0 +1,91 @@
+from .simple_menu import TerminalMenu
+
+
+class Menu(TerminalMenu):
+	def __init__(self, title, options, skip=True, multi=False, default_option=None, sort=True):
+		"""
+		Creates a new menu
+
+		:param title: Text that will be displayed above the menu
+		:type title: str
+
+		:param options: Options to be displayed in the menu to chose from;
+		if dict is specified then the keys of such will be used as options
+		:type options: list, dict
+
+		:param skip: Indicate if the selection is not mandatory and can be skipped
+		:type skip: bool
+
+		:param multi: Indicate if multiple options can be selected
+		:type multi: bool
+
+		:param default_option: The default option to be used in case the selection processes is skipped
+		:type default_option: str
+
+		:param sort: Indicate if the options should be sorted alphabetically before displaying
+		:type sort: bool
+		"""
+
+		if isinstance(options, dict):
+			options = list(options)
+
+		if sort:
+			options = sorted(options)
+
+		self.menu_options = options
+		self.skip = skip
+		self.default_option = default_option
+		self.multi = multi
+
+		menu_title = f'\n{title}\n\n'
+
+		if skip:
+			menu_title += "Use ESC to skip\n\n"
+
+		if default_option:
+			# if a default value was specified we move that one
+			# to the top of the list and mark it as default as well
+			default = f'{default_option} (default)'
+			self.menu_options = [default] + [o for o in self.menu_options if default_option != o]
+
+		cursor = "> "
+		main_menu_cursor_style = ("fg_cyan", "bold")
+		main_menu_style = ("bg_blue", "fg_gray")
+
+		super().__init__(
+			menu_entries=self.menu_options,
+			title=menu_title,
+			menu_cursor=cursor,
+			menu_cursor_style=main_menu_cursor_style,
+			menu_highlight_style=main_menu_style,
+			cycle_cursor=True,
+			clear_screen=True,
+			multi_select=multi,
+			show_search_hint=True
+		)
+
+	def _show(self):
+		idx = self.show()
+		if idx is not None:
+			if isinstance(idx, (list, tuple)):
+				return [self.menu_options[i] for i in idx]
+			else:
+				selected = self.menu_options[idx]
+				if ' (default)' in selected and self.default_option:
+					return self.default_option
+				return selected
+		else:
+			if self.default_option:
+				if self.multi:
+					return [self.default_option]
+				else:
+					return self.default_option
+			return None
+
+	def run(self):
+		ret = self._show()
+
+		if ret is None and not self.skip:
+			return self.run()
+
+		return ret
-- 
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