# This file is part of ranger, the console file manager.
# License: GNU GPL version 3, see the file "AUTHORS" for details.

"""The statusbar displays information about the current file and directory.

On the left side, there is a display similar to what "ls -l" would
print for the current file.  The right side shows directory information
such as the space used by all the files in this directory.
"""

import os
from pwd import getpwuid
from grp import getgrgid
from os import getuid, readlink
from time import time, strftime, localtime

from ranger.ext.human_readable import human_readable
from . import Widget
from ranger.gui.bar import Bar

class StatusBar(Widget):
    __doc__ = __doc__
    owners = {}
    groups = {}
    timeformat = '%Y-%m-%d %H:%M'
    hint = None
    msg = None

    old_thisfile = None
    old_ctime = None
    old_du = None
    old_hint = None
    result = None

    def __init__(self, win, column=None):
        Widget.__init__(self, win)
        self.column = column
        self.settings.signal_bind('setopt.display_size_in_status_bar',
                self.request_redraw, weak=True)

    def request_redraw(self):
        self.need_redraw = True

    def notify(self, text, duration=0, bad=False):
        self.msg = Message(text, duration, bad)

    def clear_message(self):
        self.msg = None

    def draw(self):
        """Draw the statusbar"""

        if self.hint and isinstance(self.hint, str):
            if self.old_hint != self.hint:
                self.need_redraw = True
            if self.need_redraw:
                self._draw_hint()
            return

        if self.old_hint and not self.hint:
            self.old_hint = None
            self.need_redraw = True

        if self.msg:
            if self.msg.is_alive():
                self._draw_message()
                return
            else:
                self.msg = None
                self.need_redraw = True

        if self.fm.thisfile:
            self.fm.thisfile.load_if_outdated()
            try:
                ctime = self.fm.thisfile.stat.st_ctime
            except:
                ctime = -1
        else:
            ctime = -1

        if not self.result:
            self.need_redraw = True

        if self.old_du and not self.fm.thisdir.disk_usage:
            self.old_du = self.fm.thisdir.disk_usage
            self.need_redraw = True

        if self.old_thisfile != self.fm.thisfile:
            self.old_thisfile = self.fm.thisfile
            self.need_redraw = True

        if self.old_ctime != ctime:
            self.old_ctime = ctime
            self.need_redraw = True

        if self.fm.thisdir.vcs and self.fm.thisdir.vcs.track:
            self.need_redraw = True

        if self.need_redraw:
            self.need_redraw = False

            self._calc_bar()
            self._print_result(self.result)

    def _calc_bar(self):
        bar = Bar('in_statusbar')
        self._get_left_part(bar)
        self._get_right_part(bar)
        bar.shrink_by_removing(self.wid)

        self.result = bar.combine()

    def _draw_message(self):
        self.win.erase()
        self.color('in_statusbar', 'message',
                self.msg.bad and 'bad' or 'good')
        self.addnstr(0, 0, self.msg.text, self.wid)

    def _draw_hint(self):
        self.win.erase()
        highlight = True
        space_left = self.wid
        starting_point = self.x
        for string in self.hint.split('*'):
            highlight = not highlight
            if highlight:
                self.color('in_statusbar', 'text', 'highlight')
            else:
                self.color('in_statusbar', 'text')

            try:
                self.addnstr(0, starting_point, string, space_left)
            except:
                break
            space_left -= len(string)
            starting_point += len(string)

    def _get_left_part(self, bar):
        left = bar.left

        if self.column is not None and self.column.target is not None\
                and self.column.target.is_directory:
            target = self.column.target.pointed_obj
        else:
            directory = self.fm.thistab.at_level(0)
            if directory:
                target = directory.p
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module ranger.container.commandlist</title>
</head><body bgcolor="#f0f0f8">

<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="#7799ee">
<td valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="ranger.html"><font color="#ffffff">ranger</font></a>.<a href="ranger.container.html"><font color="#ffffff">container</font></a>.commandlist</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/home/hut/ranger/ranger/container/commandlist.py">/home/hut/ranger/ranger/container/commandlist.py</a></font></td></tr></table>
    <p><tt>#&nbsp;Copyright&nbsp;(c)&nbsp;2009,&nbsp;2010&nbsp;hut&nbsp;&lt;hut@lavabit.com&gt;<br>
#<br>
#&nbsp;Permission&nbsp;to&nbsp;use,&nbsp;copy,&nbsp;modify,&nbsp;and/or&nbsp;distribute&nbsp;this&nbsp;software&nbsp;for&nbsp;any<br>
#&nbsp;purpose&nbsp;with&nbsp;or&nbsp;without&nbsp;fee&nbsp;is&nbsp;hereby&nbsp;granted,&nbsp;provided&nbsp;that&nbsp;the&nbsp;above<br>
#&nbsp;copyright&nbsp;notice&nbsp;and&nbsp;this&nbsp;permission&nbsp;notice&nbsp;appear&nbsp;in&nbsp;all&nbsp;copies.<br>
#<br>
#&nbsp;THE&nbsp;SOFTWARE&nbsp;IS&nbsp;PROVIDED&nbsp;"AS&nbsp;IS"&nbsp;AND&nbsp;THE&nbsp;AUTHOR&nbsp;DISCLAIMS&nbsp;ALL&nbsp;WARRANTIES<br>
#&nbsp;WITH&nbsp;REGARD&nbsp;TO&nbsp;THIS&nbsp;SOFTWARE&nbsp;INCLUDING&nbsp;ALL&nbsp;IMPLIED&nbsp;WARRANTIES&nbsp;OF<br>
#&nbsp;MERCHANTABILITY&nbsp;AND&nbsp;FITNESS.&nbsp;IN&nbsp;NO&nbsp;EVENT&nbsp;SHALL&nbsp;THE&nbsp;AUTHOR&nbsp;BE&nbsp;LIABLE&nbsp;FOR<br>
#&nbsp;ANY&nbsp;SPECIAL,&nbsp;DIRECT,&nbsp;INDIRECT,&nbsp;OR&nbsp;CONSEQUENTIAL&nbsp;DAMAGES&nbsp;OR&nbsp;ANY&nbsp;DAMAGES<br>
#&nbsp;WHATSOEVER&nbsp;RESULTING&nbsp;FROM&nbsp;LOSS&nbsp;OF&nbsp;USE,&nbsp;DATA&nbsp;OR&nbsp;PROFITS,&nbsp;WHETHER&nbsp;IN&nbsp;AN<br>
#&nbsp;ACTION&nbsp;OF&nbsp;CONTRACT,&nbsp;NEGLIGENCE&nbsp;OR&nbsp;OTHER&nbsp;TORTIOUS&nbsp;ACTION,&nbsp;ARISING&nbsp;OUT&nbsp;OF<br>
#&nbsp;OR&nbsp;IN&nbsp;CONNECTION&nbsp;WITH&nbsp;THE&nbsp;USE&nbsp;OR&nbsp;PERFORMANCE&nbsp;OF&nbsp;THIS&nbsp;SOFTWARE.</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ee77aa">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
    
<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a>
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.container.commandlist.html#Command">Command</a>
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.container.commandlist.html#AliasedCommand">AliasedCommand</a>
</font></dt></dl>
</dd>
<dt><font face="helvetica, arial"><a href="ranger.container.commandlist.html#CommandArgument">CommandArgument</a>
</font></dt><dt><font face="helvetica, arial"><a href="ranger.container.commandlist.html#CommandList">CommandList</a>
</font></dt><dt><font face="helvetica, arial"><a href="ranger.container.commandlist.html#Show">Show</a>
</font></dt></dl>
</dd>
</dl>
 <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="AliasedCommand">class <strong>AliasedCommand</strong></a>(<a href="ranger.container.commandlist.html#Command">Command</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="ranger.container.commandlist.html#AliasedCommand">AliasedCommand</a></dd>
<dd><a href="ranger.container.commandlist.html#Command">Command</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="AliasedCommand-__init__"><strong>__init__</strong></a>(self, getter, keys)</dt></dl>

<dl><dt><a name="AliasedCommand-get_execute"><strong>get_execute</strong></a>(self)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>execute</strong></dt>
</dl>
<hr>
Methods inherited from <a href="ranger.container.commandlist.html#Command">Command</a>:<br>
<dl><dt><a name="AliasedCommand-execute_wrap"><strong>execute_wrap</strong></a>(self, displayable)</dt></dl>

<hr>
Data descriptors inherited from <a href="ranger.container.commandlist.html#Command">Command</a>:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Data and other attributes inherited from <a href="ranger.container.commandlist.html#Command">Command</a>:<br>
<dl><dt><strong>keys</strong> = []</dl>

</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="Command">class <strong>Command</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
    
<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
<td colspan=2><tt><a href="#Command">Command</a>&nbsp;objects&nbsp;store&nbsp;information&nbsp;about&nbsp;a&nbsp;command<br>&nbsp;</tt></td></tr>
<tr><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="Command-__init__"><strong>__init__</strong></a>(self, fnc, keys)</dt></dl>

<dl><dt><a name="Command-execute"><strong>execute</strong></a>(self, *args)</dt><dd><tt>Execute&nbsp;the&nbsp;command</tt></dd></dl>

<dl><dt><a name="Command-execute_wrap"><strong>execute_wrap</strong></a>(self, displayable)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>keys</strong> = []</dl>

</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="CommandArgument">class <strong>CommandArgument</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="CommandArgument-__init__"><strong>__init__</strong></a>(self, fm, displayable, keybuffer)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="CommandList">class <strong>CommandList</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
    
<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
<td colspan=2><tt>CommandLists&nbsp;are&nbsp;dictionary-like&nbsp;objects&nbsp;which&nbsp;give&nbsp;you&nbsp;a&nbsp;command<br>
for&nbsp;a&nbsp;given&nbsp;key&nbsp;combination.&nbsp;&nbsp;CommandLists&nbsp;must&nbsp;be&nbsp;filled&nbsp;before&nbsp;use.<br>&nbsp;</tt></td></tr>
<tr><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="CommandList-__getitem__"><strong>__getitem__</strong></a>(self, key)</dt><dd><tt>Returns&nbsp;the&nbsp;command&nbsp;with&nbsp;the&nbsp;given&nbsp;key&nbsp;combination</tt></dd></dl>

<dl><dt><a name="CommandList-__init__"><strong>__init__</strong></a>(self)</dt></dl>

<dl><dt><a name="CommandList-alias"><strong>alias</strong></a>(self, existing, *new)</dt><dd><tt>bind&nbsp;the&nbsp;&lt;new&gt;&nbsp;keys&nbsp;to&nbsp;the&nbsp;command&nbsp;of&nbsp;the&nbsp;&lt;existing&gt;&nbsp;key</tt></dd></dl>

<dl><dt><a name="CommandList-bind"><strong>bind</strong></a>(self, fnc, *keys)</dt><dd><tt>create&nbsp;a&nbsp;<a href="#Command">Command</a>&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;and&nbsp;assign&nbsp;it&nbsp;to&nbsp;the&nbsp;given&nbsp;key&nbsp;combinations.</tt></dd></dl>

<dl><dt><a name="CommandList-clear"><strong>clear</strong></a>(self)</dt><dd><tt>remove&nbsp;all&nbsp;bindings</tt></dd></dl>

<dl><dt><a name="CommandList-rebuild_paths"><strong>rebuild_paths</strong></a>(self)</dt><dd><tt>Fill&nbsp;the&nbsp;path&nbsp;dictionary&nbsp;with&nbsp;dummie&nbsp;objects.<br>
We&nbsp;need&nbsp;to&nbsp;know&nbsp;when&nbsp;to&nbsp;clear&nbsp;the&nbsp;keybuffer&nbsp;(when&nbsp;a&nbsp;wrong&nbsp;key&nbsp;is&nbsp;pressed)<br>
and&nbsp;when&nbsp;to&nbsp;wait&nbsp;for&nbsp;the&nbsp;rest&nbsp;of&nbsp;the&nbsp;key&nbsp;combination.&nbsp;&nbsp;For&nbsp;"gg"&nbsp;we<br>
will&nbsp;assign&nbsp;"g"&nbsp;to&nbsp;a&nbsp;dummy&nbsp;which&nbsp;tells&nbsp;the&nbsp;program&nbsp;to&nbsp;do&nbsp;the&nbsp;latter<br>
and&nbsp;wait.</tt></dd></dl>

<dl><dt><a name="CommandList-remove_dummies"><strong>remove_dummies</strong></a>(self)</dt><dd><tt>Remove&nbsp;dummie&nbsp;objects&nbsp;in&nbsp;case&nbsp;you&nbsp;have&nbsp;to&nbsp;rebuild&nbsp;a&nbsp;path&nbsp;dictionary<br>
which&nbsp;already&nbsp;contains&nbsp;dummie&nbsp;objects.</tt></dd></dl>

<dl><dt><a name="CommandList-show"><strong>show</strong></a>(self, *keys, **keywords)</dt><dd><tt>create&nbsp;a&nbsp;<a href="#Show">Show</a>&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;and&nbsp;assign&nbsp;it&nbsp;to&nbsp;the&nbsp;given&nbsp;key&nbsp;combinations.</tt></dd></dl>

<dl><dt><a name="CommandList-unbind"><strong>unbind</strong></a>(self, *keys)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>commandlist</strong> = []</dl>

<dl><dt><strong>dummies_in_paths</strong> = False</dl>

<dl><dt><strong>dummy_object</strong> = None</dl>

<dl><dt><strong>paths</strong> = {}</dl>

</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="Show">class <strong>Show</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
    
<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
<td colspan=2><tt><a href="#Show">Show</a>&nbsp;objects&nbsp;do&nbsp;things&nbsp;without&nbsp;clearing&nbsp;the&nbsp;keybuffer<br>&nbsp;</tt></td></tr>
<tr><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="Show-__init__"><strong>__init__</strong></a>(self, dictionary, keys)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>keys</strong> = []</dl>

<dl><dt><strong>text</strong> = ''</dl>

</td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#eeaa77">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
    
<tr><td bgcolor="#eeaa77"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl><dt><a name="-cmdarg"><strong>cmdarg</strong></a>(displayable)</dt></dl>
</td></tr></table>
</body></html>