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Make option prefix/suffix configurable 

This can be used to add some test surrounding options or to remove the
space between cursor and option item.
This commit is contained in:
Sebastian Lohff 2020-08-27 01:57:02 +02:00
parent 68e6ecbe4f
commit 9ef6532c1f
2 changed files with 16 additions and 4 deletions
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13
clintermission/climenu.py
View File

@ -83,13 +83,16 @@ class CliMenu:
cls.default_cursor = cursor cls.default_cursor = cursor
def __init__(self, options=None, header=None, cursor=None, style=None, def __init__(self, options=None, header=None, cursor=None, style=None,
indent=2, dedent_selection=False, initial_pos=0): indent=2, dedent_selection=False, initial_pos=0,
option_prefix=' ', option_suffix=''):
self._items = [] self._items = []
self._item_num = 0 self._item_num = 0
self._ran = False self._ran = False
self._success = None self._success = None
self._pos = 0 self._pos = 0
self._initial_pos = initial_pos self._initial_pos = initial_pos
self._option_prefix = option_prefix
self._option_suffix = option_suffix
self._option_indent = indent self._option_indent = indent
self._header_indent = indent self._header_indent = indent
self._dedent_selection = dedent_selection self._dedent_selection = dedent_selection
@ -163,14 +166,16 @@ class CliMenu:
# cursor # cursor
indent = '' indent = ''
prefix = '' prefix = ''
suffix = ''
if item.focusable: if item.focusable:
indent += ' ' * self._option_indent indent += ' ' * self._option_indent
suffix = self._option_suffix
if ti.lineno == self._pos: if ti.lineno == self._pos:
prefix += '{} '.format(self._cursor) prefix += '{}{}'.format(self._cursor, self._option_prefix)
style = s.highlight_style style = s.highlight_style
else: else:
prefix += ' ' * (len(self._cursor) + 1 + 1 * self._dedent_selection) prefix += ' ' * len(self._cursor) + self._option_prefix + ' ' * self._dedent_selection
style = s.option_style style = s.option_style
else: else:
if item.indent: if item.indent:
@ -180,7 +185,7 @@ class CliMenu:
items = [(s if s else style, t) for s, t in ti.fragments] items = [(s if s else style, t) for s, t in ti.fragments]
prefix = self._transform_prefix(item, ti.lineno, prefix) prefix = self._transform_prefix(item, ti.lineno, prefix)
return Transformation([('', indent), (style, prefix)] + items) return Transformation([('', indent), (style, prefix)] + items + [(style, suffix)])
def next_item(self, direction): def next_item(self, direction):
if not any(item.focusable for item in self._items): if not any(item.focusable for item in self._items):

7
examples/basic_usage.py
View File

@ -68,3 +68,10 @@ print()
# --- with shortcut, shows no menu when only a single option is provided (can be disabled with return_single=False) --- # --- with shortcut, shows no menu when only a single option is provided (can be disabled with return_single=False) ---
result = cli_select_item(["Single Foo"]) result = cli_select_item(["Single Foo"])
print("Directly selected for you as it was the only option:", result) print("Directly selected for you as it was the only option:", result)
print()
# --- prefix/suffix ---
q = ["Foo", "Bar", "Baz"]
m = CliMenu(q, "Time to choose:\n", option_prefix=' <<<', option_suffix='>>>')
print("You selected", m.get_selection())
print()