PopupButton.PopupOpenListener (Vaadin Spreadsheet 23.7-SNAPSHOT API)

All Superinterfaces:

Serializable

Enclosing class:

PopupButton
```
public static interface PopupButton.PopupOpenListener
extends Serializable
```
Interface for listening for a PopupButton.PopupOpenEvent fired by a PopupButton.

Field Summary

Fields
Modifier and Type Field Description

static Method POPUP_OPEN_METHOD

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onPopupOpen(PopupButton.PopupOpenEvent event)`	Called when a `PopupButton` has been clicked and the pop-up has been opened.

- Field Detail
  - POPUP_OPEN_METHOD
```
static final Method POPUP_OPEN_METHOD
```
- Method Detail
  - onPopupOpen
```
void onPopupOpen(PopupButton.PopupOpenEvent event)
```
    Called when a PopupButton has been clicked and the pop-up has been opened. A reference to the pop-up button is given by PopupButton.PopupOpenEvent.getPopupButton().
    
    Parameters:
    
    event - An event containing the opened pop-up button