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## Copyright (C) 2010, 2013 Martin Hepperle
##
## 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{h} =} message_dialog (@var{caller}, @var{msg}, @var{title}, @var{icon})
## Undocumented internal function.
## @end deftypefn
function retval = message_dialog (caller, msg, title = "", icon)
if (! ischar (msg))
if (iscell (msg))
msg = sprintf ("%s\n", msg{:});
msg(end) = "";
else
error ("%s: MSG must be a character string or cellstr array", caller);
endif
endif
if (! ischar (title))
error ("%s: TITLE must be a character string", caller);
endif
dlg = "emptydlg";
if (nargin == 4)
switch (icon)
case "error"
dlg = "errordlg";
case "help"
dlg = "helpdlg";
case "warn"
dlg = "warndlg";
case "none"
dlg = "emptydlg";
otherwise
error ("%s: ICON is not a valid type", caller);
endswitch
else
icon = "none";
endif
if (__octave_link_enabled__ ())
retval = __octave_link_message_dialog__ (icon, msg, title);
elseif (__have_feature__ ("JAVA"))
retval = javaMethod (dlg, "org.octave.JDialogBox", msg, title);
else
error ("%s is not available in this version of Octave", dlg);
endif
endfunction
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