checkbox in table unclickable

Question

William Gaillard 2019-3-6

1
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/448690-checkbox-in-table-unclickable

回答： Konstantin Patroev 2020-11-26

I have a table generated in Matlab App Designer. The 1st column in the table has check boxes. All other columns are numeric. I have a pushbutton called delete. I want any row that is checked to be deleted from the table when the delete button is clicked on. I don't see anyway to initialize the table format within the App Designer Design View. To set the column format, I have the following startup function in the Code View:

% Code that executes after component creation
        function startupFcn(app)
            set(app.UITable, 'ColumnFormat', {'logical', 'numeric', 'numeric'});
            set(app.UITable,'ColumnEditable',logical([1 1 1]));
        end

Data is entered into the table via pushbuttons and edit fields or by clicking a cell and entering a value. In Design View I have all columns set to editable (which does not seem to do anything as far as I can tell). Without the second line in the code above I cannot edit any cell in the table (I would think this code is redundent given that I have all columns set to editable in Design View, but this is not the case). With the second line of code the numberic cells work as expected; however, the checkboxes are not clickable. Any idea why?

When I click a check box I get the following warning:

Warning: Cannot convert logical edit to numeric matrix.

Please click for more information

When I click the link I get the following error

Error using helpUtils.csh.helpviewMLFactory/checkForMapFile (line

27)

Specified map file does not exist:

C:\Program Files\MATLAB\R2018a\help\techdoc\ref\hg.uitable.map

Error in helpview (line 215)

help_path = factory.checkForMapFile(mapfilename, topic_id);

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Colin Krebbers 2019-6-20

Hi William,

Were you able to fix the problem regarding the checkboxes?

I'm facing the exact same issue while reusing your code.

Kind regards,

Colin

William Gaillard 2019-7-11

Hey Colin,

I have not fixed this problem. I may try the answer by Vili just to see if I can improve on it, but I don't think it will get me where I want to be.

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Answer 1

Vili Keränen 2019-7-10

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Hey guys,

I'm experiencing the same issue. You probably figured this out already, but you can work around the issue with CellEdit callback.

        % Cell edit callback: UITable
        function UITableCellEdit(app, event)
            indices = event.Indices;
            if app.UITable.Data(indices(1),indices(2)) == true     % In this example column containing checkboxes 
                app.UITable.Data(indices(1),indices(2)) = false    % is the only editable column.
            else
                app.UITable.Data(indices(1),indices(2)) = true
            end
        end