I'm using my custom components on the forms. For an example - for a subject 'Receiver' I have to display several fields like address, name, vatId ... Here comes the catch - when I select a subject from the combobox, I listen to select event, and I can update the fields that are connected with combo value.
The problem is when I open a form, I set hiddenFieldId of the combo. Now I have no idea, what kind of event I could use to fill the rest of the fields from the combo dataset.
Extended combo is my custum xtype and should be used on several pages, so I do not want to set all the fields on form.load().