ModalWindowStack (cockpitng 20.05.0-RC3 API)

All Known Implementing Classes:

DefaultModalWindowStack
```
public interface ModalWindowStack
```
Provides z-index for modal windows to preserve theirs order after refresh.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getModalWindowZIndex(WidgetInstance widgetInstance)`	Provides z-index for given widget instance.
`void`	`onWindowClosed(WidgetInstance widgetInstance)`	Removes widget's z-index from stack and it's model.
`void`	`resetModalWindowStack()`	Resets z-index stack

- Method Detail
  - getModalWindowZIndex
```
int getModalWindowZIndex(WidgetInstance widgetInstance)
```
    Provides z-index for given widget instance. If widget has already z-index assigned the same will be returned.
    
    Parameters:
    
    widgetInstance - widget instance.
    
    Returns:
    
    z-index which should be used to show window.
  - onWindowClosed
```
void onWindowClosed(WidgetInstance widgetInstance)
```
    Removes widget's z-index from stack and it's model.
    
    Parameters:
    
    widgetInstance - widget instance.
  - resetModalWindowStack
```
void resetModalWindowStack()
```
    Resets z-index stack