Mercurial > octave
view scripts/gui/rmappdata.m @ 31554:1d410367802c
maint: Merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Sat, 26 Nov 2022 18:51:28 +0100 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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######################################################################## ## ## Copyright (C) 2010-2022 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## 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 ## <https://www.gnu.org/licenses/>. ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {} rmappdata (@var{h}, @var{name}) ## @deftypefnx {} {} rmappdata (@var{h}, @var{name1}, @var{name2}, @dots{}) ## Delete the application data @var{name} from the graphics object with handle ## @var{h}. ## ## @var{h} may also be a vector of graphics handles. Multiple application data ## names may be supplied to delete several properties at once. ## ## @seealso{setappdata, getappdata, isappdata} ## @end deftypefn function rmappdata (h, varargin) if (nargin < 2) print_usage (); endif h = h(:).'; if (! all (ishghandle (h))) error ("rmappdata: H must be a scalar or vector of graphic handles"); elseif (! iscellstr (varargin)) error ("rmappdata: NAME must be a string"); endif for hg = h if (isprop (hg, "__appdata__")) appdata = get (hg, "__appdata__"); vld = isfield (appdata, varargin); if (! all (vld)) ## FIXME: Should we bother to error out? Or just silently continue? missing = varargin{find (! vld, 1)}; error ("rmappdata: appdata '%s' is not present", missing); endif appdata = rmfield (appdata, varargin); set (hg, "__appdata__", appdata); endif endfor endfunction %!test %! setappdata (0, "%hello%", "world"); %! rmappdata (0, "%hello%"); %! assert (isappdata (0, "%hello%"), false); %!test %! setappdata (0, "%data1%", ones (3)); %! setappdata (0, "%data2%", {"hello", "world"}); %! rmappdata (0, "%data1%", "%data2%"); %! assert (isappdata (0, "%data1%"), false); %! assert (isappdata (0, "%data2%"), false); ## Test input validation %!error <Invalid call> rmappdata () %!error <Invalid call> rmappdata (1) %!error <H must be a scalar .* graphic handle> rmappdata (-1, "hello") %!error <NAME must be a string> rmappdata (0, 1) %!error <appdata 'foobar' is not present> rmappdata (0, "foobar")