TristateModel (zk 10.0.0 API)

All Known Implementing Classes:

DefaultTristateTreeModel
```
public interface TristateModel<E>
```
Indicate a model that supports tristate checkbox.

Since:

10.0.0

Author:

jumperchen

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class TristateModel.State
States of the tri-state selection designed to assist users in defining states effectively.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Set<E>`	`getPartials()`	Returns the current partial selection.
`boolean`	`isPartial(E item)`	Returns whether the item is partially selected.

- Method Detail
  - getPartials
```
java.util.Set<E> getPartials()
```
    Returns the current partial selection.
  - isPartial
```
boolean isPartial(E item)
```
    Returns whether the item is partially selected.
    
    Parameters:
    
    item - a data item