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## Copyright (C) 2010-2013 Ben Abbott
##
## 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} {} setappdata (@var{h}, @var{name}, @var{value})
## Set the named application data to @var{value} for the object(s) with
## handle(s) @var{h}. If the application data with the specified name does
## not exist, it is created.
## @seealso{getappdata, guidata, get, set, getpref, setpref}
## @end deftypefn
## Author: Ben Abbott <bpabbott@mac.com>
## Created: 2010-07-15
function setappdata (h, varargin)
if (! (all (ishandle (h)) && mod (numel (varargin), 2) == 0))
error ("setappdata: invalid input");
endif
for nh = 1:numel (h)
if (! isfield (get (h(nh)), "__appdata__"))
addproperty ("__appdata__", h(nh), "any", struct ());
endif
appdata = get (h(nh), "__appdata__");
for narg = 1:2:numel (varargin)
if (iscellstr (varargin{narg}))
## Handle cell arrays like set() does.
set (h(nh), "__appdata__", appdata);
setappdata (h(nh), vertcat (varargin{narg}', varargin{narg+1}'){:});
appdata = get (h(nh), "__appdata__");
elseif (ischar (varargin{narg}))
appdata.(varargin{narg}) = varargin{narg+1};
else
error ("setappdata: invalid input");
endif
endfor
set (h(nh), "__appdata__", appdata);
endfor
endfunction
%!test
%! setappdata (0, "hello", "world");
%! assert (isappdata (0, "hello"), true);
%! assert (getappdata (0, "hello"), "world");
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