Hello!
Do you by chance know how to achieve a masked textField? What I want to do
is to make a text field which will serve as input for registration key of
known format (like AAAA-BBBB-CCCC-DDDD). I want those "-" to be
automatically added (or to be displayed all the time).
What I managed to accomplish is adding "-" signs after every 4 characters
like this:
var i = 1;
field.addListener("keydown", function(key) {
var pos = field.getTextSelectionStart();
if ( pos == 5 * i - 1) {
field.setValue(field.getValue()+"-");
i++;
}
},this);
But when a user starts to delete characters or inputs something in the
middle - it gets all messed up.
What I am lacking is a masked input widget. Anybody has an idea how to
implement it?
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