MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Manuel d'utilisateur télécharger pdf (Page 238)

10 Examples of GUIDE GUIs

10-14

• If the selection is a file — get the file extension (fileparts) to determine if

it is a FIG-file, which is opened with

guide. All other file types are passed to

open.

The

open statement is called within a try/catch block to capture errors in an

error dialog (

errordlg), instead of returning to the command line.

get(handles.figure1,'SelectionType');

% If double click

if strcmp(get(handles.figure1,'SelectionType'),'open')

index_selected = get(handles.listbox1,'Value');

file_list = get(handles.listbox1,'String');

% Item selected in list box

filename = file_list{index_selected};

% If directory

if handles.is_dir(handles.sorted_index(index_selected))

cd (filename)

% Load list box with new directory.

load_listbox(pwd,handles)

else

[path,name,ext,ver] = fileparts(filename);

switch ext

case '.fig'

% Open FIG-file with guide command.

guide (filename)

otherwise

try

% Use open for other file types.

open(filename)

catch

errordlg(lasterr,'File Type Error','modal')

end

Opening Unknown File Types

You can extend the file types that the open command recognizes to include any

file having a three-character extension. You do this by creating an M-file with

the name

openxyz, where xyz is the extension. Note that the list box callback

1 2 ... 233 234 235 236 237 238 239 240 241 242 243 ... 329 330

Pas de commentaire

MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Manuel d'utilisateur Page 238