MATLAB: Multiple Selection in uitable

multiple selection of cellsuitable

Hi, I have a row of characters in a uitable and I need to select multiple elements of it, store the indices of all selections and then apply subsequent actions: how to do that?

Thanks

Best Answer

Hello,

If you want to select multiple elements in UITable, hold down the shift button. Add Cell Selection callback to the table, selected indices, you'll have in variable event.indices. Since I haven't used it before, you need to verify, if you get indices with every click or when the shift button is released.

% Callback function
function UITableValuesCellSelection(app, event)
    indices = event.Indices; % indices is probably a numeric array (n,2) where n is number of selected cells
    app.results = CalcFunction(app, indices); % results is the property of the app, CalcFunction is a helper function
end
function CalcFunction(app,indices)
    % Access the table data through indices you sent to function
    app.UITable.Data(indices(1,:))
    % code
end

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MATLAB: Select cell from UITable by mouse click and using a push button to execute a callback

Hi Raymond,

You need to create a CellSelection callback

Variable indices contains the index of selected row and column.

What might be a better way to process your image is to have the toggle button on/off, that will process your image if it's on, and do nothing if it's off.

% Cell selection callback: UITable

function UITableCellSelection(app, event)
    indices = event.Indices;
    if app.ToggleButton.Value
        filepath = app.UITable.Data{indices(1),indices(2)} % Not sure if this is correct way
%                                                            of getting filepath, as it depends
%                                                            on type of data in the cell, so verify  
        processImage(app, filepath)
    end
end

Otherwise, you could create a property that saves last selection and with the press of a button it would process file related to it.

% Cell selection callback: UITable
function UITableCellSelection(app, event)
    app.Last_Selection = event.Indices; 
end
% Button callback
ProcessImage(app) % Last_Selection is property of the app and doesn't need to be sent as an input arg

MATLAB: Getting Cell location of checkboxes on selection (UITable)

Is it as simple as defining a CellEditCallback?

Best Answer

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