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# This file is part of ranger, the console file manager.
# License: GNU GPL version 3, see the file "AUTHORS" for details.
"""The TaskView allows you to modify what the loader is doing."""
from __future__ import (absolute_import, division, print_function)
from ranger.ext.accumulator import Accumulator
from . import Widget
class TaskView(Widget, Accumulator):
old_lst = None
def __init__(self, win):
Widget.__init__(self, win)
Accumulator.__init__(self)
self.scroll_begin = 0
def draw(self):
base_clr = []
base_clr.append('in_taskview')
lst = self.get_list()
if self.old_lst != lst:
self.old_lst = lst
self.need_redraw = True
if self.need_redraw:
self.win.erase()
if not self.pointer_is_synced():
self.sync_index()
if self.hei <= 0:
return
self.addstr(0, 0, "Task View")
self.color_at(0, 0, self.wid, tuple(base_clr), 'title')
if lst:
for i in range(self.hei - 1):
i += self.scroll_begin
try:
obj = lst[i]
except IndexError:
break
y = i + 1
clr = list(base_clr)
if self.pointer == i:
clr.append('selected')
descr = obj.get_description()
if obj.progressbar_supported and obj.percent >= 0 and obj.percent <= 100:
self.addstr(y, 0, "%3.2f%% - %s" % (obj.percent, descr), self.wid)
wid = int((self.wid / 100) * obj.percent)
self.color_at(y, 0, self.wid, tuple(clr))
self.color_at(y, 0, wid, tuple(clr), 'loaded')
else:
self.addstr(y, 0, descr, self.wid)
self.color_at(y, 0, self.wid, tuple(clr))
else:
if self.hei > 1:
self.addstr(1, 0, "No task in the queue.")
self.color_at(1, 0, self.wid, tuple(base_clr), 'error')
self.color_reset()
def finalize(self):
y = self.y + 1 + self.pointer - self.scroll_begin
self.fm.ui.win.move(y, self.x)
def task_remove(self, i=None):
if i is None:
i = self.pointer
if self.fm.loader.queue:
self.fm.loader.remove(index=i)
def task_move(self, to, i=None): # pylint: disable=invalid-name
if i is None:
i = self.pointer
self.fm.loader.move(pos_src=i, pos_dest=to)
def press(self, key):
self.fm.ui.keymaps.use_keymap('taskview')
self.fm.ui.press(key)
def get_list(self):
return self.fm.loader.queue
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