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import time
import urwid
import common
class SText(common.WWrap):
def __init__(self, txt, focused):
w = urwid.Text(txt, wrap="any")
if focused:
w = urwid.AttrWrap(w, "editfield")
common.WWrap.__init__(self, w)
def get_text(self):
return self.w.get_text()[0]
def keypress(self, size, key):
return key
def selectable(self):
return True
class SEdit(common.WWrap):
def __init__(self, txt):
w = urwid.Edit(txt, wrap="any", multiline=True)
common.WWrap.__init__(self, w)
def get_text(self):
return self.w.get_text()[0]
def selectable(self):
return True
class KVItem(common.WWrap):
def __init__(self, focused, editing, maxk, k, v):
self.focused, self.editing = focused, editing
if focused == 0 and editing:
self.editing = self.kf = SEdit(k)
else:
self.kf = SText(k, True if focused == 0 else False)
if focused == 1 and editing:
self.editing = self.vf = SEdit(v)
else:
self.vf = SText(v, True if focused == 1 else False)
w = urwid.Columns(
[
("fixed", maxk + 2, self.kf),
self.vf
],
dividechars = 2
)
if focused is not None:
w.set_focus_column(focused)
common.WWrap.__init__(self, w)
def get_kv(self):
return (self.kf.get_text(), self.vf.get_text())
def keypress(self, s, k):
if self.editing:
k = self.editing.keypress(s, k)
return k
def selectable(self):
return True
class KVWalker(urwid.ListWalker):
def __init__(self, lst):
self.lst = lst
self.maxk = max(len(v[0]) for v in lst)
self.focus = 0
self.focus_col = 0
self.editing = False
def start_edit(self):
self.editing = KVItem(self.focus_col, True, self.maxk, *self.lst[self.focus])
self._modified()
def stop_edit(self):
self.lst[self.focus] = self.editing.get_kv()
self.editing = False
self._modified()
def left(self):
self.focus_col = 0
self._modified()
def right(self):
self.focus_col = 1
self._modified()
def tab_next(self):
if self.focus_col == 0:
self.focus_col = 1
elif self.focus != len(self.lst)-1:
self.focus_col = 0
self.focus += 1
self._modified()
def get_focus(self):
if self.editing:
return self.editing, self.focus
else:
return KVItem(self.focus_col, False, self.maxk, *self.lst[self.focus]), self.focus
def set_focus(self, focus):
self.focus = focus
def get_next(self, pos):
if pos+1 >= len(self.lst):
return None, None
return KVItem(None, False, self.maxk, *self.lst[pos+1]), pos+1
def get_prev(self, pos):
if pos-1 < 0:
return None, None
return KVItem(None, False, self.maxk, *self.lst[pos-1]), pos-1
class KVListBox(urwid.ListBox):
def __init__(self, lw):
urwid.ListBox.__init__(self, lw)
class KVEditor(common.WWrap):
def __init__(self, master, title, value, callback):
self.master, self.title, self.value, self.callback = master, title, value, callback
p = urwid.Text(title)
p = urwid.Padding(p, align="left", width=("relative", 100))
p = urwid.AttrWrap(p, "heading")
self.walker = KVWalker(self.value)
self.lb = KVListBox(self.walker)
self.w = urwid.Frame(self.lb, header = p)
self.master.statusbar.update("")
def keypress(self, size, key):
if self.walker.editing:
if key in ["esc"]:
self.walker.stop_edit()
return None
elif key in ["left", "right", "up", "down"]:
self.walker.stop_edit()
else:
self.w.keypress(size, key)
return None
key = common.shortcuts(key)
if key == ["q", "esc"]:
self.master.pop_view()
elif key in ["h", "left"]:
self.walker.left()
elif key in ["l", "right"]:
self.walker.right()
elif key == "tab":
self.walker.tab_next()
elif key == "enter":
self.walker.start_edit()
else:
return self.w.keypress(size, key)
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