TreeMapField (Macrofocus TreeMap API for Swing SpecificationA good and efficient starting point is the use of the SwingTreeMap component. It contains all the information to get started within minutes!To use this API, please make sure you have at least (this is the absolute minimum) the macrofocus-treemap-swing.jar, macrofocus-treemap.jar, macrofocus-common.jar, macrofocus-visualization.jar, and macrofocus-slider.jar libraries in your class path.)

All Known Implementing Classes:

AbstractTreeMapField, DefaultTreeMapField, NoTreeMapField
```
@JsType
public interface TreeMapField<N,Column>
```
This interface represent a field (or column) that can be used to retrieve data in the TreeMapModel data structure.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Column`	`getIndex()`	The index of the column in the model.
`java.lang.String`	`getName()`	Returns the name of the field.
`java.lang.Class`	`getType()`	Returns the most specific superclass for all the values.
`java.lang.Object`	`getValue(N node)`	Returns the value for the specified row.
`boolean`	`isEveryValueUnique()`	Indicates whether the field only contains unique values.
`boolean`	`isValid()`	Indicates whether the field is valid.

- Method Detail
  - getType
```
@JsIgnore
java.lang.Class getType()
```
    Returns the most specific superclass for all the values.
    
    Returns:
    
    the common ancestor class of the object values.
  - getName
```
java.lang.String getName()
```
    Returns the name of the field.
    
    Returns:
    
    the name of the field.
  - getValue
```
java.lang.Object getValue(N node)
```
    Returns the value for the specified row.
    
    Parameters:
    
    node - the node whose value should be queried.
    
    Returns:
    
    the value Object at the specified row.
  - isValid
```
boolean isValid()
```
    Indicates whether the field is valid.
    
    Returns:
    
    true if it is valid, false otherwise.
  - isEveryValueUnique
```
boolean isEveryValueUnique()
```
    Indicates whether the field only contains unique values.
    
    Returns:
    
    true if all values are unique, false otherwise.
  - getIndex
```
Column getIndex()
```
    The index of the column in the model.
    
    Returns:
    
    the index of the column