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# Copyright (C) 2011-2012 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
"""
Widgets specific to search mode
"""
import urwid
from ..settings import settings
from ..helper import shorten_author_string
from ..helper import tag_cmp
from .utils import AttrFlipWidget
from .globals import TagWidget
class ThreadlineWidget(urwid.AttrMap):
"""
selectable line widget that represents a :class:`~alot.db.Thread`
in the :class:`~alot.buffers.SearchBuffer`.
"""
def __init__(self, tid, dbman):
self.dbman = dbman
self.tid = tid
self.thread = None # will be set by refresh()
self.tag_widgets = []
self.structure = None
self.rebuild()
normal = self.structure['normal']
focussed = self.structure['focus']
urwid.AttrMap.__init__(self, self.columns, normal, focussed)
def _build_part(self, name, struct, minw, maxw, align):
def pad(string, shorten=None):
if maxw:
if len(string) > maxw:
if shorten:
string = shorten(string, maxw)
else:
string = string[:maxw]
if minw:
if len(string) < minw:
if align == 'left':
string = string.ljust(minw)
elif align == 'center':
string = string.center(minw)
else:
string = string.rjust(minw)
return string
part = None
width = None
if name == 'date':
newest = None
datestring = ''
if self.thread:
newest = self.thread.get_newest_date()
if newest is not None:
datestring = settings.represent_datetime(newest)
datestring = pad(datestring)
width = len(datestring)
part = AttrFlipWidget(urwid.Text(datestring), struct['date'])
elif name == 'mailcount':
if self.thread:
mailcountstring = "(%d)" % self.thread.get_total_messages()
else:
mailcountstring = "(?)"
mailcountstring = pad(mailcountstring)
width = len(mailcountstring)
mailcount_w = AttrFlipWidget(urwid.Text(mailcountstring),
struct['mailcount'])
part = mailcount_w
elif name == 'authors':
if self.thread:
authors = self.thread.get_authors_string() or '(None)'
else:
authors = '(None)'
authorsstring = pad(authors, shorten_author_string)
authors_w = AttrFlipWidget(urwid.Text(authorsstring),
struct['authors'])
width = len(authorsstring)
part = authors_w
elif name == 'subject':
if self.thread:
subjectstring = self.thread.get_subject() or ' '
else:
subjectstring = ' '
# sanitize subject string:
subjectstring = subjectstring.replace('\n', ' ')
subjectstring = subjectstring.replace('\r', '')
subjectstring = pad(subjectstring)
subject_w = AttrFlipWidget(urwid.Text(subjectstring, wrap='clip'),
struct['subject'])
if subjectstring:
width = len(subjectstring)
part = subject_w
elif name == 'content':
if self.thread:
msgs = self.thread.get_messages().keys()
else:
msgs = []
# sort the most recent messages first
msgs.sort(key=lambda msg: msg.get_date(), reverse=True)
lastcontent = ' '.join([m.get_text_content() for m in msgs])
contentstring = pad(lastcontent.replace('\n', ' ').strip())
content_w = AttrFlipWidget(urwid.Text(contentstring, wrap='clip'),
struct['content'])
width = len(contentstring)
part = content_w
elif name == 'tags':
if self.thread:
fallback_normal = struct[name]['normal']
fallback_focus = struct[name]['focus']
tag_widgets = [TagWidget(t, fallback_normal, fallback_focus)
for t in self.thread.get_tags()]
tag_widgets.sort(tag_cmp,
lambda tag_widget: tag_widget.translated)
else:
tag_widgets = []
cols = []
length = -1
for tag_widget in tag_widgets:
if not tag_widget.hidden:
wrapped_tagwidget = tag_widget
tag_width = tag_widget.width()
cols.append(('fixed', tag_width, wrapped_tagwidget))
length += tag_width + 1
if cols:
part = urwid.Columns(cols, dividechars=1)
width = length
return width, part
def rebuild(self):
self.thread = self.dbman.get_thread(self.tid)
self.widgets = []
columns = []
self.structure = settings.get_threadline_theming(self.thread)
for partname in self.structure['parts']:
minw = maxw = None
width_tuple = self.structure[partname]['width']
if width_tuple is not None:
if width_tuple[0] == 'fit':
minw, maxw = width_tuple[1:]
align_mode = self.structure[partname]['alignment']
width, part = self._build_part(partname, self.structure,
minw, maxw, align_mode)
if part is not None:
if isinstance(part, urwid.Columns):
for w in part.widget_list:
self.widgets.append(w)
else:
self.widgets.append(part)
# compute width and align
if width_tuple[0] == 'weight':
columnentry = width_tuple + (part,)
else:
columnentry = ('fixed', width, part)
columns.append(columnentry)
self.columns = urwid.Columns(columns, dividechars=1)
self.original_widget = self.columns
def render(self, size, focus=False):
for w in self.widgets:
w.set_map('focus' if focus else 'normal')
return urwid.AttrMap.render(self, size, focus)
def selectable(self):
return True
def keypress(self, size, key):
return key
def get_thread(self):
return self.thread
@staticmethod
def _get_theme(component, focus=False):
path = ['search', 'threadline', component]
if focus:
path.append('focus')
else:
path.append('normal')
return settings.get_theming_attribute(path)
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