MATLAB で UITabのセル単位で編集状態を変える方法

classdef UITableMixedCellExample < matlab.apps.AppBase

    properties (Access = public)
        UIFigure matlab.ui.Figure
        UITable  matlab.ui.control.Table
    end

    methods (Access = private)

        function startupFcn(app)

            % 初期データ
            data = {
                'A', 'AUTO';
                'B', 10;
                'C', 'OFF'
                };

            % UITable作成
            app.UITable = uitable(app.UIFigure);
            app.UITable.Position = [20 20 350 150];
            app.UITable.Data = data;

            % 列設定
            app.UITable.ColumnName = {'ID','Value'};
            app.UITable.ColumnEditable = [false true];

            % 重要：列は char にしておく（混在対策）
            app.UITable.ColumnFormat = {'char','char'};

            ％app.UITable.CellEditCallbackに cellEdit を登録しておくこと
        end

        function cellEdit(app,event)

            % 選択セルの [row col]
            row = event.Indices(1);
            col = event.Indices(2);

            if col ~= 2
                return;
            end

            data = app.UITable.Data;
            newVal = event.NewData;

            %===========================
            % (1,2) → Dropdown制御
            %===========================
            if row == 1

                allowed = {'AUTO','MANUAL','OFF'};

                if ~ismember(string(newVal), allowed)

                    uialert(app.UIFigure,...
                        '1行目はDropdown値のみ',...
                        'Error');

                    data{row,col} = event.PreviousData;
                    app.UITable.Data = data;
                    return;
                end
            end

            %===========================
            % (2,2) → 数値制御
            %===========================
            if row == 2

                val = str2double(newVal);

                if isnan(val)

                    uialert(app.UIFigure,...
                        '2行目は数値のみ入力',...
                        'Error');

                    data{row,col} = event.PreviousData;
                    app.UITable.Data = data;
                    return;
                end

                data{row,col} = val;
            end

            %===========================
            % 反映
            %===========================
            app.UITable.Data = data;

        end
    end

    methods (Access = public)

        function app = UITableMixedCellExample

            app.UIFigure = uifigure;
            app.UIFigure.Position = [100 100 400 200];

            startupFcn(app);

        end

        function UITableCellSelection(app, event)

            indices = event.Indices;
            if isempty(indices)
                return;
            end

            % 選択セルの [row col]
            row = indices(1,1);
            col = indices(1,2);
            if col == 2
                if row == 1
                    app.UITable.ColumnFormat = {'char', {'AUTO','MANUAL','OFF'}};
                end
                if row == 2
                    app.UITable.ColumnFormat = {'char', 'numeric'};
                end
            end
        end            
    end
end