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
|
## Copyright (C) 2010-2013 David Bateman
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {[@var{hplots}, @var{strings}]} = __getlegenddata__ (@var{h})
## Undocumented internal function.
## @end deftypefn
function [hplots, text_strings] = __getlegenddata__ (hlegend)
hplots = [];
text_strings = {};
ca = getfield (get (hlegend, "userdata"), "handle");
if (numel (ca) == 1)
kids = get (ca, "children");
else
kids = [get(kids, "children"){:}];
endif
for i = numel (kids):-1:1
typ = get (kids(i), "type");
if (any (strcmp (typ, {"line", "patch", "surface", "hggroup"})))
if (strcmp (typ, "hggroup"))
hgkids = get (kids(i), "children");
for j = 1 : length (hgkids)
try
dname = get (hgkids(j), "DisplayName");
if (! isempty (dname))
hplots(end+1) = hgkids(j);
text_strings(end+1) = dname;
break; # break from j-loop over hgkids
endif
end_try_catch
endfor
else
dname = get (kids(i), "DisplayName");
if (! isempty (dname))
hplots(end+1) = kids(i);
text_strings(end+1) = dname;
endif
endif
endif
endfor
endfunction
|
