integrating a Pop-Up Menu into a column of a uitable, is this even possible? If yes how?

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Tobias Wzl on 16 Oct 2017

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Commented: Tobias Wzl on 19 Oct 2017

Hello everyone,

I'm desperately searching for some help/solutions for my code. I want to have a pop up menu in every row of the column P_i-transient.

I can't figure out how it works or if it even works. I would be very happy if someone could help me, because it is quite urgent...

Thank you :)

Code:

% --- FIGURE -------------------------------------
handles.figure1 = figure( ...
  'Tag', 'figure1', ...
  'Units', 'characters', ...    
  'Position', [102.8 24.2307692307692 126.8 33], ...
  'Name', 'Parameter', ...
  'MenuBar', 'none', ...
  'NumberTitle', 'off', ...
  'Color', [0.941 0.941 0.941]);
  % --- UITABLE -------------------------------------
  % Initialize empty string for components of the Data
  Data=cell(16,5);
  for i = 1:numel(Data)
      Data{i} = '';
  end
handles.uitable1 = uitable( ...
    'Parent', handles.figure1, ...
    'Tag', 'uitable1', ...
    'UserData', zeros(1,0), ...
    'Units', 'characters', ...
    'Position', [12.2 8 85.6 21], ...
    'BackgroundColor', [1 1 1;0.961 0.961 0.961], ...
    'ColumnEditable', [true,true,true,true,true], ...
    'ColumnFormat', {'char','char','char','char','char'}, ...
    'ColumnName',{'ID','<html>P<sub>i</sub> -stationary<br>[W]','<html>P<sub>i</sub> -transient<br>[W/t]','<html>&Omega','V'}, ... % '<html>P<sub>i</sup></html>[W]'für griechische Buchstaben in einer Column <HTML>&Buchstabe
    'ColumnWidth', {'auto','auto','auto','auto','auto'}, ...
    'Data',Data); % add the "string" Data

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Jan on 16 Oct 2017

If you claim, that your problem is "urgent" - more urgent then other questions?! - take the time to explain your problem clearly. What does "every row of the column P_i-transient" mean?

Tobias Wzl on 16 Oct 2017

I didn't mean that I wanted to be solved right now. The "urgent" is just because I'm pretty desperate to find a solution....

by every row of P_i-Transient, I meant every single cell of the column P_i-Transient.

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Answer 1

Jan on 16 Oct 2017

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https://in.mathworks.com/matlabcentral/answers/361495-integrating-a-pop-up-menu-into-a-column-of-a-uitable-is-this-even-possible-if-yes-how#answer_285945

If you want a context menu for a uitable: There is none. You could create one manually with Java tricks to determine which cell the mouse is over. But this will be unstable. Try to solve the problem with another method.

See https://www.mathworks.com/matlabcentral/answers/24369-wanted-features-for-uitable-and-uitree

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Tobias Wzl on 16 Oct 2017

I don't want to use Java, because I never learned how to use java, so this probably will not be an Option but thank you :)

Walter Roberson on 16 Oct 2017

If my answer pointing to the appropriate part of the documentation was not what you were looking for, then you are going to have to explain more fully what you want.

For example if you need to have a different pop-up menu for ever row, then you will need to use the context menu approach, or you will need to use WindowButtonMotionFcn to detect where you have moved your cursor and pop something up if you pass through an appropriate space, or you will need to use java.

But if you need the same pop-up at every row, then the feature is already built-in and I already pointed to how to do it.

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Answer 2

Walter Roberson on 16 Oct 2017

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Set the ColumnFormat of the table; https://www.mathworks.com/help/matlab/ref/matlab.ui.control.table-properties.html#property_d119e1107507

"A 1-by-n cell array of character vectors, such as {'one' 'two' 'three'}

Display a pop-up menu.

To edit a cell, the user selects an item from the pop-up menu. MATLAB sets the corresponding Data property array value to the selected menu item. The ColumnEditable property value must be true to allow users to select items in the pop-up menu."

Note: this would require that the list of entries be the same for every row in the column.

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Tobias Wzl on 17 Oct 2017

Open in MATLAB Online

% --- FIGURE -------------------------------------
handles.figure1 = figure( ...
  'Tag', 'figure1', ...
  'Units', 'characters', ...    
  'Position', [102.8 24.2307692307692 126.8 33], ...
  'Name', 'Parameter', ...
  'MenuBar', 'figure', ...
  'NumberTitle', 'off', ...
  'Color', [0.941 0.941 0.941]);
  % --- UITABLE -------------------------------------
  % Initialize empty string for components of the Data
  Data=cell(16,5);
  Data{i} = '';
  for i = 1:numel(Data)
    end
uitable1 = uitable( ...
    'Parent', handles.figure1, ...
    'Tag', 'uitable1', ...
    'UserData', zeros(1,0), ...
    'Units', 'characters', ...
    'Position', [12.2 8 85.6 21], ...
    'BackgroundColor', [1 1 1;0.961 0.961 0.961], ...
    'ColumnEditable', [true,true,true,true,true], ...
    'ColumnFormat', {'char','char','char','char','char'}, ...
    'ColumnName',{'ID','<html>P<sub>i</sub> -stationary<br>[W]','<html>P<sub>i</sub> -transient<br>[W/t]','<html>&Omega','V'}, ... % '<html>P<sub>i</sup></html>[W]'für griechische Buchstaben in einer Column <HTML>&Buchstabe
    'ColumnWidth', {'auto','auto','auto','auto','auto'}, ...
    'Data',Data); % add the "string" Data
function uitable1_CellEditCallback(hObject, eventdata, handles)
Columndata = get(hObject,'Data');
if strcmp(Columndata(4,2),'User Defined')
[FileName,PathName] = uigetfile({'*.txt'; '*.csv'},'Select the configuration');
FilePath = fullfile(PathName,FileName);
if isequal(FileName,0)
return
end
[pathstr, name, ext] = fileparts(FilePath);
ParameterList{end+1} = name;
set(uitable1,'ColumnFormat',{ParameterList});
end
end

this is the code i developed...

But unfortunately no window is appearing when I'm clicking on a cell of the column P_i-transient

What did I do wrong and what do have to do to make it work?

Tobias Wzl on 18 Oct 2017

Open in MATLAB Online

I figured out something new,the pop up will just appear for my wanted column.

But the Problem I have now is that Matlab tells me 'Undefined function or variable 'uitable1'.

and because of that I get errors in every column I put the if-loops.

What is wrong here?

the thing with the filename I still couldn't get it done ...

function uitable1_CellSelectionCallback(hObject, eventdata)
datatable_row = eventdata.Indices(1);
datatable_col = eventdata.Indices(2);
      if datatable_col == 1 % if the column of ID is selected
                  row = eventdata.Indices(1);   % get the row
                  myData = get(uitable1,'Data');  % get the uitable data
      end
       if datatable_col == 2 % if the column of P_i-stationary is selected
                  row = eventdata.Indices(1);   % get the row
                  myData = get(uitable1,'Data');  % get the uitable data
       end
       if datatable_col == 4 % if the column of Resistance is selected
                  row = eventdata.Indices(1);   % get the row
                  myData = get(uitable1,'Data');  % get the uitable data
       end
       if datatable_col == 5 % if the column of Voltage is selected
                  row = eventdata.Indices(1);   % get the row
                  myData = get(uitable1,'Data');  % get the uitable data
       end
Columndata = get(hObject,'Data');
[FileName,PathName] = uigetfile({'*.txt'; '*.csv'},'Select the configuration');
if strcmp(Columndata(1,1),'User Defined')
FilePath = fullfile(PathName,FileName);
if isequal(FileName,0)
return
end
[pathstr, name, ext] = fileparts(FilePath);
ParameterList{end+1} = name;
set(uitable1,'ColumnFormat',{ParameterList});
end
end

Walter Roberson on 19 Oct 2017

I almost never use importdata() myself. I use xlsread() or readtable() or load() for really simple files, or textscan(). It is also not uncommon for me to fileread() the entire file at once as a character string and process it, if the file is a bit more complicated.

Tobias Wzl on 19 Oct 2017

so for my simple txt or csv files I'll use texscan- or load-command, because they just include two columns with several rows.

the title of the files will we variable, so why does the code above not work for me? and how can I load the file into a specific column and still be variable about the row of the column?

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