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"""
A generic tab that displays a serie of items in a scrollable, searchable,
sortable list. It should be inherited, to actually provide methods that
insert items in the list, and that lets the user interact with them.
"""
from gettext import gettext as _
import logging
log = logging.getLogger(__name__)
import curses
import collections
import windows
from common import safeJID
from decorators import refresh_wrapper
from . import Tab
class ListTab(Tab):
plugin_commands = {}
plugin_keys = {}
def __init__(self, name, help_message, header_text, cols):
"""Parameters:
name: The name of the tab
help_message: The default help message displayed instead of the
input
header_text: The text displayed on the header line, at the top of
the tab
cols: a tuple of 2-tuples. e.g. (('column1_name', number),
('column2_name', number))
"""
Tab.__init__(self)
self.state = 'normal'
self.name = name
columns = collections.OrderedDict()
for col, num in cols:
columns[col] = num
self.list_header = windows.ColumnHeaderWin(list(columns))
self.listview = windows.ListWin(columns)
self.info_header = windows.MucListInfoWin(header_text)
self.default_help_message = windows.HelpText(help_message)
self.input = self.default_help_message
self.key_func["KEY_DOWN"] = self.move_cursor_down
self.key_func["KEY_UP"] = self.move_cursor_up
self.key_func['^I'] = self.completion
self.key_func["/"] = self.on_slash
self.key_func['KEY_LEFT'] = self.list_header.sel_column_left
self.key_func['KEY_RIGHT'] = self.list_header.sel_column_right
self.key_func[' '] = self.sort_by
self.register_command('close', self.close,
shortdesc=_('Close this tab.'))
self.resize()
self.update_keys()
self.update_commands()
def get_columns_sizes(self):
"""
Must be implemented in subclasses. Must return a dict like this:
{'column1_name': size1,
'column2_name': size2}
Where the size are calculated based on the size of the tab etc
"""
raise NotImplementedError
def refresh(self):
if self.need_resize:
self.resize()
log.debug(' TAB Refresh: %s', self.__class__.__name__)
if self.size.tab_degrade_y:
display_info_win = False
else:
display_info_win = True
self.info_header.refresh(window=self.listview)
if display_info_win:
self.info_win.refresh()
self.refresh_tab_win()
self.list_header.refresh()
self.listview.refresh()
self.input.refresh()
def resize(self):
if self.size.tab_degrade_y:
info_win_height = 0
tab_win_height = 0
else:
info_win_height = self.core.information_win_size
tab_win_height = Tab.tab_win_height()
self.info_header.resize(1, self.width,
self.height - 2 - info_win_height
- tab_win_height,
0)
column_size = self.get_columns_sizes()
self.list_header.resize_columns(column_size)
self.list_header.resize(1, self.width, 0, 0)
self.listview.resize_columns(column_size)
self.listview.resize(self.height - 3 - info_win_height - tab_win_height,
self.width, 1, 0)
self.input.resize(1, self.width, self.height-1, 0)
def on_slash(self):
"""
'/' is pressed, activate the input
"""
curses.curs_set(1)
self.input = windows.CommandInput("", self.reset_help_message, self.execute_slash_command)
self.input.resize(1, self.width, self.height-1, 0)
self.input.do_command("/") # we add the slash
def close(self, arg=None):
self.input.on_delete()
self.core.close_tab(self)
def set_error(self, msg, code, body):
"""
If there's an error (retrieving the values etc)
"""
self._error_message = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
self.info_header.message = self._error_message
self.info_header.refresh()
curses.doupdate()
def sort_by(self):
if self.list_header.get_order():
self.listview.sort_by_column(
col_name=self.list_header.get_sel_column(),
asc=False)
self.list_header.set_order(False)
self.list_header.refresh()
else:
self.listview.sort_by_column(
col_name=self.list_header.get_sel_column(),
asc=True)
self.list_header.set_order(True)
self.list_header.refresh()
self.core.doupdate()
@refresh_wrapper.always
def reset_help_message(self, _=None):
curses.curs_set(0)
self.input = self.default_help_message
self.input.resize(1, self.width, self.height-1, 0)
return True
def execute_slash_command(self, txt):
if txt.startswith('/'):
self.input.key_enter()
self.execute_command(txt)
return self.reset_help_message()
def completion(self):
if isinstance(self.input, windows.Input):
self.complete_commands(self.input)
def on_input(self, key, raw):
res = self.input.do_command(key, raw=raw)
if res and not isinstance(self.input, windows.Input):
return True
elif res:
return False
if not raw and key in self.key_func:
return self.key_func[key]()
def on_info_win_size_changed(self):
if self.core.information_win_size >= self.height-3:
return
self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)
self.listview.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), self.width, 1, 0)
def on_lose_focus(self):
self.state = 'normal'
def on_gain_focus(self):
self.state = 'current'
curses.curs_set(0)
def on_scroll_up(self):
return self.listview.scroll_up()
def on_scroll_down(self):
return self.listview.scroll_down()
def move_cursor_up(self):
self.listview.move_cursor_up()
self.listview.refresh()
self.core.doupdate()
def move_cursor_down(self):
self.listview.move_cursor_down()
self.listview.refresh()
self.core.doupdate()
def matching_names(self):
return [(2, self.name)]
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