MATLAB: How to programmatically select a tab in a uitabgroup

MATLABuitabuitabgroup

Is it possible to programmatically select one of the tabs in a uitabgroup? In response to a user request, I need to recreate the tabs and their contents, but I'd like to keep the original choice of tab. When the tabs are created, tab 1 is always selected.

tabgroup.SelectedTab is a read-only property; I tried writing to it (on the chance that it would work) and nothing happened.

Thanks!

Best Answer

You can set it using SelectedTab of the uitabgroup:

tg = uitabgroup;
tt(1) = uitab('Parent',tg);
tt(2) = uitab('Parent',tg);
tt(3) = uitab('Parent',tg);
tg.SelectedTab = tt(2);

(R2014b)

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Just reparent it in the 'SelectionChangedFcn' callback of the uitabgroup. It only needs to be parented by a tab if that tab is the currently selected one since you can never view 2 tabs at the same time.

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You may achieve this functionality using the 'SelectionChangedFcn' property of the 'uitabgroup'. The following code provides a simple example of this functionality:

f = figure;
t = uitab;
t.Title = 'Tab1';
t2= uitab;
t2.Title = 'Tab2';
tabgroup = f.Children;
tabgroup.SelectionChangedFcn = @doNothing;
function doNothing(tabgroup, eventData)
    tabgroup.SelectedTab = eventData.OldValue;
end

The figure generated from the example code has two tabs and does not allow users to switch to the second one. This functionality is achieved by defining the 'doNothing' function to retrieve the previously-selected tab and set the new-selected tab of the 'uitabgroup' to be that old tab. The 'uitabgroup' is accessed through the 'Children' of the figure. However, depending on the end goal, you may prefer to access the 'uitabgroup' through the 'Parent' property of the 'uitab' that you create.

Best Answer

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