1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
import copy
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, "focusfield")
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(edit_text=txt, wrap="any", multiline=True)
w = urwid.AttrWrap(w, "editfield")
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, self.maxk = focused, editing, maxk
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[0]-self.maxk-4,), 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 delete_focus(self):
if self.lst:
del self.lst[self.focus]
self.focus = min(len(self.lst)-1, self.focus)
self._modified()
def _insert(self, pos):
self.focus = pos
self.lst.insert(self.focus, ("", ""))
self.focus_col = 0
self.start_edit()
def insert(self):
return self._insert(self.focus)
def add(self):
return self._insert(min(self.focus + 1, len(self.lst)))
def start_edit(self):
self.editing = KVItem(self.focus_col, True, self.maxk, *self.lst[self.focus])
self._modified()
def stop_edit(self):
if self.editing:
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):
self.stop_edit()
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
elif self.lst:
return KVItem(self.focus_col, False, self.maxk, *self.lst[self.focus]), self.focus
else:
return None, None
def set_focus(self, focus):
self.stop_edit()
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, *cb_args, **cb_kwargs):
value = copy.deepcopy(value)
self.master, self.title, self.value, self.callback = master, title, value, callback
self.cb_args, self.cb_kwargs = cb_args, cb_kwargs
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", "enter"]:
self.walker.stop_edit()
elif key == "tab":
pf = self.walker.focus
self.walker.tab_next()
if self.walker.focus == pf:
self.walker.start_edit()
else:
self.w.keypress(size, key)
return None
key = common.shortcuts(key)
if key in ["q", "esc"]:
self.callback(self.walker.lst, *self.cb_args, **self.cb_kwargs)
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 == "a":
self.walker.add()
elif key == "i":
self.walker.insert()
elif key == "d":
self.walker.delete_focus()
elif key in ["enter", "e"]:
self.walker.start_edit()
else:
return self.w.keypress(size, key)
|
