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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.chart.plot 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


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

All known Subclasses:   org.jfree.chart.plot.PieLabelDistributor,
AbstractPieLabelDistributor
abstract public class AbstractPieLabelDistributor implements Serializable(Code)
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.


Field Summary
protected  Listlabels
     The label records.

Constructor Summary
public  AbstractPieLabelDistributor()
     Creates a new instance.

Method Summary
public  voidaddPieLabelRecord(PieLabelRecord record)
     Adds a label record.
public  voidclear()
     Clears the list of labels.
abstract public  voiddistributeLabels(double minY, double height)
     Called by the PiePlot class.
public  intgetItemCount()
     Returns the number of items in the list.
public  PieLabelRecordgetPieLabelRecord(int index)
     Returns a label record from the list.
Parameters:
  index - the index.

Field Detail
labels
protected List labels(Code)
The label records.




Constructor Detail
AbstractPieLabelDistributor
public AbstractPieLabelDistributor()(Code)
Creates a new instance.




Method Detail
addPieLabelRecord
public void addPieLabelRecord(PieLabelRecord record)(Code)
Adds a label record.
Parameters:
  record - the label record (null not permitted).



clear
public void clear()(Code)
Clears the list of labels.



distributeLabels
abstract public void distributeLabels(double minY, double height)(Code)
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.
Parameters:
  height - the height of the label area.



getItemCount
public int getItemCount()(Code)
Returns the number of items in the list. The item count.



getPieLabelRecord
public PieLabelRecord getPieLabelRecord(int index)(Code)
Returns a label record from the list.
Parameters:
  index - the index. The label record.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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