My overall goal is to make a popupmenu with different categories subtracted from a specific text box of 7 total text boxes. I have 7 edit text boxes and 7 categories for each; with each edit text box having a value. I want the user to select the category with a popup menu and then have a new edit text box to enter the subtracted amount. Lastly to restate, I want to subtract the amount from the selected category and update the category textbox with new amount.
Here is what I have tried to do. Matlab is giving me an error for my subtraction button callback. It is specifically not liking the popVal.
% --- Executes on selection change in popupmenu1.
function popupmenu1_Callback(hObject, eventdata, handles)
contents = cellstr(get(hObject,'String'));
popChoice = contents{get(hObject,'Value')};
assignin('base','popChoice',popChoice);
if (strcmp(popChoice,'Food'))
elseif (strcmp(popChoice,'Gas'))
elseif (strcmp(popChoice,'Invest'))
elseif (strcmp(popChoice,'Other'))
elseif (strcmp(popChoice,'Clothes'))
elseif (strcmp(popChoice,'Emergency'))
elseif (strcmp(popChoice,'Extra'))
end
assignin('base','popVal',popVal);
guidata(hObject,handles);
% --- Executes on button press in subtract. CALLBACK FOR SUBTRACT BUTTON
function subtract_Callback(hObject, eventdata, handles)
if popVal == 1 % line 557 program not reading popVal
a = str2double(get(handles.food,'String'));
b = str2double(get(handles.amount,'String'));
c = a - b;
set(handles.food,'String',c);
