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y.layout.hierarchic
Class AlignmentDrawer.TopAlignmentDataProvider

java.lang.Object
  extended by y.util.DataProviderAdapter
      extended by y.layout.hierarchic.AlignmentDrawer.TopAlignmentDataProvider
All Implemented Interfaces:
DataProvider
Enclosing class:
AlignmentDrawer

public static final class AlignmentDrawer.TopAlignmentDataProvider
extends DataProviderAdapter

A DataProvider that will make all nodes top-aligned (in top-to-bottom layouts) when registered.

 

Constructor Summary
AlignmentDrawer.TopAlignmentDataProvider()
          Creates a AlignmentDrawer.TopAlignmentDataProvider instance.
 
Method Summary
 double getDouble(java.lang.Object dataHolder)
          Returns a double value that corresponds to top alignment.
 
Methods inherited from class y.util.DataProviderAdapter
defined, get, getBool, getInt
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AlignmentDrawer.TopAlignmentDataProvider

public AlignmentDrawer.TopAlignmentDataProvider()
Creates a AlignmentDrawer.TopAlignmentDataProvider instance.

Method Detail

getDouble

public double getDouble(java.lang.Object dataHolder)
Returns a double value that corresponds to top alignment.

This value is equal to (-height(dataHolder) / 2).

Specified by:
getDouble in interface DataProvider
Overrides:
getDouble in class DataProviderAdapter
Parameters:
dataHolder - the node object
Returns:
a double value that corresponds to top alignment

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