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# Copyright (C) 2011-2018 Patrick Totzke <patricktotzke@gmail.com>
# This file is released under the GNU GPL, version 3 or a later revision.
# For further details see the COPYING file
import urwid
from .buffer import Buffer
from ..settings.const import settings
from ..widgets.globals import TagWidget
class TagListBuffer(Buffer):
"""lists all tagstrings present in the notmuch database"""
modename = 'taglist'
_tags = None
def __init__(self, tags):
self._tags = sorted(tags, key = str.lower)
self.isinitialized = False
self.rebuild()
super().__init__()
def rebuild(self):
if self.isinitialized:
focusposition = self.taglist.get_focus()[1]
else:
focusposition = 0
self.isinitialized = True
lines = list()
for (num, b) in enumerate(self._tags):
if (num % 2) == 0:
attr = settings.get_theming_attribute('taglist', 'line_even')
else:
attr = settings.get_theming_attribute('taglist', 'line_odd')
focus_att = settings.get_theming_attribute('taglist', 'line_focus')
tw = TagWidget(b, attr, focus_att)
rows = [('fixed', tw.width(), tw)]
if tw.hidden:
rows.append(urwid.Text(b + ' [hidden]'))
elif tw.translated is not b:
rows.append(urwid.Text('(%s)' % b))
line = urwid.Columns(rows, dividechars=1)
line = urwid.AttrMap(line, attr, focus_att)
lines.append(line)
self.taglist = urwid.ListBox(urwid.SimpleListWalker(lines))
self.body = self.taglist
self.taglist.set_focus(focusposition % len(self._tags))
def focus_first(self):
"""Focus the first line in the tag list."""
self.body.set_focus(0)
def focus_last(self):
allpos = self.taglist.body.positions(reverse=True)
if allpos:
lastpos = allpos[0]
self.body.set_focus(lastpos)
def get_selected_tag(self):
"""returns selected tagstring"""
cols, _ = self.taglist.get_focus()
tagwidget = cols.original_widget.get_focus()
return tagwidget.tag
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