AbstractPieLabelDistributor (JFreeChart as OSGI-bundle 1.5.6 API)

java.lang.Object
- org.jfree.chart.plot.pie.AbstractPieLabelDistributor

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

PieLabelDistributor
```
public abstract class AbstractPieLabelDistributor
extends Object
implements Serializable
```
A base class for handling the distribution of pie section labels. Create your own subclass and set it using the PiePlot.setLabelDistributor(AbstractPieLabelDistributor) method if you want to customise the label distribution.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

protected List labels
The label records.

Constructor Summary

Constructors
Constructor Description

AbstractPieLabelDistributor()
Creates a new instance.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addPieLabelRecord(PieLabelRecord record)`	Adds a label record.
`void`	`clear()`	Clears the list of labels.
`abstract void`	`distributeLabels(double minY, double height)`	Called by the `PiePlot` class.
`int`	`getItemCount()`	Returns the number of items in the list.
`PieLabelRecord`	`getPieLabelRecord(int index)`	Returns a label record from the list.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - labels
```
protected List labels
```
    The label records.
- Constructor Detail
  - AbstractPieLabelDistributor
```
public AbstractPieLabelDistributor()
```
    Creates a new instance.
- Method Detail
  - getPieLabelRecord
```
public PieLabelRecord getPieLabelRecord(int index)
```
    Returns a label record from the list.
    
    Parameters:
    
    index - the index.
    
    Returns:
    
    The label record.
  - addPieLabelRecord
```
public void addPieLabelRecord(PieLabelRecord record)
```
    Adds a label record.
    
    Parameters:
    
    record - the label record (null not permitted).
  - getItemCount
```
public int getItemCount()
```
    Returns the number of items in the list.
    
    Returns:
    
    The item count.
  - clear
```
public void clear()
```
    Clears the list of labels.
  - distributeLabels
```
public abstract void distributeLabels(double minY,
                                      double height)
```
    Called by the PiePlot class. Implementations should distribute the labels in this.labels then return.
    
    Parameters:
    
    minY - the y-coordinate for the top of the label area.
    
    height - the height of the label area.