Use drop down menu to select file to plot

Hi,

I have multiple .mat files in my folder that I load into matlab using dirfiles. How can I have a drop down menu or list that lets me select which file I want to plot and switch from one file to the other one?

for k = 1:numfiles
    myfilename = dirfiles(k).name;
    fullFileName = fullfile(PathName, myfilename);
    mydata{k} = load(fullFileName);
end

[dpb]

See

doc uigetfile

to have user selection from git-go or populate a list box for the selection if know the root names to provide from--

doc listdlg

[Konvictus177]

listdlg is a good workaround! How can I use listdlg while the figure is open to plot some other .mat file that is loaded into the workspace? This has to happen in a while loop I guess.

[dpb]

One of my apps uses a menu to select/change a workbook desired sheet -- the callback for the given menu action function looks like

    % Menu selected function: BillingSheetMenu
    function BillingSheetMenuSelected(app, event)
      if ~exist(app.billQualFile,'file')
        errordlg([app.billQualFile "Not Found.  Must Set Billing File First."])
        return
      end
      sheets=sheetnames(app.billQualFile);
      iv=find(contains(sheets,app.billSheet,'IgnoreCase',false));
      if isempty(iv), iv=1; end
      ix=listdlg('PromptString','Select Billing Sheet','ListString',sheets,'selectionmode','single','initialvalue',iv);
      if isempty(ix), ix=iv; end
      app.billSheet=sheets(ix);
      app.BillingSheetTextArea.Value=app.billSheet;       
    end

You'll have to have a callback function tied to something that would mimic something like the above with the content of the listbox being the files list.

The same app menu to select the file function uses uigetfile instead --

    % Menu selected function: BillingFileMenu
    function BillFileFunction(app, event)
    filestr=fullfile(app.billPath,'*Bill*.xlsx');
    [app.billFile,app.billPath]=uigetfile(filestr,'Select Desired Billing File',"MultiSelect","off");
    try
        app.BillingFolderTextArea.Value=app.billPath;
        app.BillingFfileTextArea.Value=app.billFile;
        app.billQualFile=fullfile(app.billPath,app.billFile);
        %app.BillingSheetTextArea.Value=app.billSheet;        
    catch 
        % leave unchanged; if nothing there, catch it when trying to run update
    end

[Walter Roberson]

filenames = {dirfiles.name};
[indx, tf] = listdlg('ListString', filenames, 'PromptString', 'Select a file');
if ~tf; return; end   %user cancel
fullFileName = fullfile(PathName, filenames{indx});
mydata = load(fullFileName);

[Konvictus177]

Thanks for the help.

I was able to use listdlg box and bring the listdlg box up again when a certain condition was met.