com.portal.pfc.ui

Class TreeTableNodeComparator

java.lang.Object

com.portal.pfc.ui.TreeTableNodeComparator

All Implemented Interfaces:

Comparator

Direct Known Subclasses:

AlphaNumericTreeTableNodeComparator, DefaultTreeTableNode.DefaultComparator

public abstract class TreeTableNodeComparator
extends Object
implements Comparator

Compare two tree nodes. This class is used by DefaultTreeTableModel to sort the model.

Constructor Summary

Constructors

Constructor and Description
TreeTableNodeComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(Object o1, Object o2)
abstract int	compareColumnValues(Object colVal1, Object colVal2) Compare the two tree table node column values.
void	setAscending(boolean ascending)
void	setAsksAllowsChildren(boolean asksAllowsChildren) Leaf nodes should appear before non-leaf nodes.
void	setColumn(int column) Set the column of the node used for comparison

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

TreeTableNodeComparator

public TreeTableNodeComparator()

Method Detail

compareColumnValues

public abstract int compareColumnValues(Object colVal1,
                                        Object colVal2)

Compare the two tree table node column values.

Parameters:

colVal1 -

colVal2 -

Returns:

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

compare

public int compare(Object o1,
                   Object o2)

Specified by:

compare in interface Comparator

setColumn

public void setColumn(int column)

Set the column of the node used for comparison

Parameters:

column -

setAscending

public void setAscending(boolean ascending)

Parameters:

ascending - if true then sort in ascending order

setAsksAllowsChildren

public void setAsksAllowsChildren(boolean asksAllowsChildren)

Leaf nodes should appear before non-leaf nodes.

Parameters:

asksAllowsChildren - if true then the determination of whether or not a node is a leaf is made is based on whether it allows children.