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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} {} rmappdata (@var{h}, @var{name})
## Delete the named application data for the object(s) with
## handle(s) @var{h}.
## @end deftypefn
## Author: Ben Abbott <bpabbott@mac.com>
## Created: 2010-07-15
function rmappdata (h, varargin)
if (! (all (ishandle (h)) && iscellstr (varargin)))
error ("rmappdata: invalid input");
endif
for nh = 1:numel (h)
if (isprop (h(nh), "__appdata__"))
appdata = get (h(nh), "__appdata__");
for v = 1:numel(varargin)
if (isfield (appdata, varargin{v}))
appdata = rmfield (appdata, varargin{v});
else
error ("rmappdata: appdata '%s' is not present")
endif
endfor
set (h(nh), "__appdata__", appdata);
endif
endfor
endfunction
%!test
%! setappdata (0, "hello", "world");
%! rmappdata (0, "hello");
%! assert (isappdata (0, "hello"), false);
%!test
%! setappdata (0, "data1", rand (3));
%! setappdata (0, "data2", {"hello", "world"});
%! rmappdata (0, "data1", "data2");
%! assert (isappdata (0, "data1"), false);
%! assert (isappdata (0, "data2"), false);
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