y.layout.hierarchic
Class AlignmentDrawer.TopAlignmentDataProvider

java.lang.Object
  y.util.DataProviderAdapter
      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