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comparison scripts/ui/private/message_dialog.m @ 16508:f19e24c97b20

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move common warndlg, errordlg, helpdlg, and msgbox code to private function * message_dialog.m: New file. * scripts/ui/module.mk: Include it in the list of functions. * errordlg.m, helpdlg.m, warndlg.m, msgbox.m: Call message_dialog to do most of the work.
author John W. Eaton <jwe@octave.org>
date Fri, 12 Apr 2013 18:17:26 -0400
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children 7f2395651a1c
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16507:8cb12cf9ca32 16508:f19e24c97b20
1 ## Copyright (C) 2010 Martin Hepperle
2 ##
3 ## This file is part of Octave.
4 ##
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
9 ##
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
14 ##
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
18
19 ## -*- texinfo -*-
20 ## @deftypefn {Function File} {@var{h} =} message_dialog (@var{caller}, @var{msg}, @var{title}, @var{icon})
21 ## Undocumented internal function.
22 ## @end deftypefn
23
24 function retval = message_dialog (caller, msg, title = "", icon)
25
26 if (! ischar (msg))
27 if (iscell (msg))
28 msg = sprintf ("%s\n", msg{:});
29 msg(end) = "";
30 else
31 error ("%s: MSG must be a character string or cellstr array", caller);
32 endif
33 endif
34
35 if (! ischar (title))
36 error ("%s: TITLE must be a character string", caller);
37 endif
38
39 dlg = "emptydlg";
40 if (nargin == 4)
41 switch (icon)
42 case "error"
43 dlg = "errordlg";
44 case "help"
45 dlg = "helpdlg";
46 case "warn"
47 dlg = "warndlg";
48 case "none"
49 dlg = "emptydlg";
50 otherwise
51 error ("%s: ICON is not a valid type", caller);
52 endswitch
53 endif
54
55 if (__have_feature__ ("JAVA"))
56 retval = javaMethod (dlg, "org.octave.JDialogBox", msg, title);
57 if (retval)
58 return;
59 endif
60 endif
61
62 ## FIXME -- provide terminal-based implementation here?
63
64 if (! retval)
65 error ("%s is not available in this version of Octave", dlg);
66 endif
67
68 endfunction