public static UnityAction <string> AddOnValueChangedAction(this InputField self, Func <string, bool> onValueChanged)
{
if (onValueChanged != null)
{
var oldText = self.text;
UnityAction <string> newListener = (newText) => {
if (newText == oldText)
{
return;
}
// Ignore event event if it was triggered through code, only fire for actual user input:
if (!self.ChangeWasTriggeredByUserThroughEventSystem())
{
return;
}
if (!onValueChanged(newText))
{
self.text = oldText;
}
else
{
oldText = newText;
EventBus.instance.Publish(EventConsts.catUi + UiEvents.INPUTFIELD_CHANGED, self, newText);
}
};
self.onValueChanged.AddListener(newListener);
return(newListener);
}
return(null);
}