Hey Anais,
That's some nice usage of tree component, thanks for that!
Here are two lines that you need to change in your code. If you inspect the src.Value, it does not populate the value unless the focus is shifted away from the component, so it's better to use event.Value since it uses the values you expected.
function callbackAutoComplete(src, event)
val = event.Value;
Here's your code posted with these two lines so the answer is clear for someone else who may encounter this.
clear, clc, close all
% Create figure
fig = uifigure;
% List of names
names = {'Bob';
'Eric';
'John';
'Phil';
'James';
'Anne';
'Suzanne';
'Karen';
'Eleanor';
'Janet';};
% Create table of names
namesTablePos = [28 28 504 203];
namesTable = uitable(fig, ...
'Position', namesTablePos, ...
'ColumnName', 'Names', ...
'Data', names);
% Create editfield
fieldPos = [224, 315, 150, 25];
field = uieditfield(fig, 'text', ...
'ValueChangingFcn', @(h,e) callbackAutoComplete(h,e), ...
'Position', fieldPos);
field.UserData = names;
% Create tree
tree = uitree(fig, ...
'SelectionChangedFcn', @(h,e) callbackSelectionChanged(h,e), ...
'Visible', 'off');
function callbackAutoComplete(src, event)
% Get figure handle
tree = src.Parent.Children(1);
% Reset tree
tree.Visible = 'Off';
delete(tree.Children)
% Get field value
val = event.Value;
% If value is not empty, populate tree
if ~isempty(val)
% Get names
names = src.UserData;
% Filter names
indices = [];
for ix = 1:numel(names)
name = names{ix};
if contains(lower(name), lower(val))
indices = [indices ix];
end
end
% Set maximum visible suggestions
n = min(numel(indices), 3);
% If any, create nodes
if n > 0
% Set tree properties
fieldPos = src.Position;
treePos = fieldPos + fieldPos(4).*[0 -n 0 (n-1)];
tree.set(...
'Position', treePos, ...
'Visible', 'on');
% Add nodes
names = sort(names(indices));
for ix = 1 : numel(names)
uitreenode(tree, 'Text', names{ix});
end
end
end
end
function callbackSelectionChanged(src, ~)
% Get node value
val = src.SelectedNodes.Text;
% Set value to field
src.Parent.Children(2).Value = val;
end
