net.sourceforge.java.util.gui.jface.viewers
Class TreeViewerSorter

java.lang.Object
  org.eclipse.jface.viewers.ViewerComparator
      org.eclipse.jface.viewers.ViewerSorter
          net.sourceforge.java.util.gui.jface.viewers.TreeViewerSorter

public class TreeViewerSorter

extends ViewerSorter

Default sorter for use in JFace TreeViewer instances based on ITreeElement structures.

Author:

Sebastian Machhausen

Field Summary

Fields inherited from class org.eclipse.jface.viewers.ViewerSorter

collator

Fields inherited from class org.eclipse.jface.viewers.ViewerComparator

Constructor Summary

TreeViewerSorter()

Method Summary

int	category(Object element) Returns the category of the given element.

Methods inherited from class org.eclipse.jface.viewers.ViewerSorter

getCollator, getComparator

Methods inherited from class org.eclipse.jface.viewers.ViewerComparator

compare, isSorterProperty, sort

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeViewerSorter

public TreeViewerSorter()

Method Detail

category

public int category(Object element)

Returns the category of the given element. The category is a number used to allocate elements to bins; the bins are arranged in ascending numeric order. The elements within a bin are arranged via a second level sort criterion.

If the specified element is an ITreeElement and allows sub elements this method returns 0 otherwise 1 as bin number.

Parameters:

element - the element to get the category bin number for

Returns:

the category bin number