How do I replace the sting value in one popup based on the value selected in another popup?

Question

Abhay Aradhya 2017 年 6 月 12 日

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この質問への直接リンク

https://jp.mathworks.com/matlabcentral/answers/344327-how-do-i-replace-the-sting-value-in-one-popup-based-on-the-value-selected-in-another-popup

コメント済み: Walter Roberson 2017 年 6 月 12 日

    popupMenu = uicontrol(topPanel,'Style','popupmenu',...
                'String',solString,...
                'Units','normalized',...
                'Value',1,'Position',[.1 .25 .2 .5],...
                'Callback',@popupmenuCallBack);
    hourpopupMenu = uicontrol(topPanel,'Style','popupmenu',...
                'String',hourString,...
                'Units','normalized',...
                'Value',1,'Position',[.5 .25 .2 .5],...
                'Callback',@hourpopupmenuCallBack);
    function hourpopupmenuCallBack(hObject, eventdata, handles)
        global sol_index_selected
        global hour_index_selected
        global solution_index
        global allData
        hour_index_selected = get(hObject,'Value');
        % to generate new string
        newSolString = [];
        for n=1:size(allData.all_data(hour_index_selected).solutions,1)
            newSolString = [newSolString string("Solution "+n)];
        end
        % NEED TO REPLACE STRING OF "popupmenu" WITH "newSolString"
     end
     % callback function for dropdown/popup menu in the top panel
     function popupmenuCallBack(hObject, eventdata, handles)
         global sol_index_selected
         sol_index_selected = get(hObject,'Value');
     end

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Answer 1

Walter Roberson 2017 年 6 月 12 日

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この回答への直接リンク

https://jp.mathworks.com/matlabcentral/answers/344327-how-do-i-replace-the-sting-value-in-one-popup-based-on-the-value-selected-in-another-popup#answer_270405

MATLAB Online で開く

Change

    popupMenu = uicontrol(topPanel,'Style','popupmenu',...
                'String',solString,...
                'Units','normalized',...
                'Value',1,'Position',[.1 .25 .2 .5],...
                'Callback',@popupmenuCallBack);

to

    popupMenu = uicontrol(topPanel,'Style','popupmenu',...
                'String',solString,...
                'Units','normalized',...
                'Value',1,'Position',[.1 .25 .2 .5],...
                'Callback',@popupmenuCallBack, ...
                'tag', 'Pup');

Replace

        newSolString = [];
        for n=1:size(allData.all_data(hour_index_selected).solutions,1)
            newSolString = [newSolString string("Solution "+n)];
        end

with

       newSolString = 'Solution " + (1:size(allData.all_data(hour_index_selected).solutions,1));
       popupmenu = findobj(ancestor(hObject, 'figure'), 'tag', 'Pup');
       popupmenu.String = newSolString;