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

java.lang.Object
  org.eclipse.swt.events.SelectionAdapter
      net.sourceforge.java.util.gui.jface.viewers.TableTreeViewerSorterHandler

All Implemented Interfaces:

EventListener, SelectionListener, SWTEventListener

public class TableTreeViewerSorterHandler

extends SelectionAdapter

Enables sorting facility for tabular Tree instances using an arbitrary TableTreeViewerSorter for sorting.

Author:

Sebastian Machhausen

Field Summary

private TableTreeViewerSorter	sorter The TableTreeViewerSorter to use for sorting
private Tree	tree The Tree that the TableTreeViewerSorter is bound to

Constructor Summary

TableTreeViewerSorterHandler(Tree tree, TableTreeViewerSorter sorter)
Creates a new TableTreeViewerSorterHandler instance and binds it to the specified Tree using the given TableTreeViewerSorter to sort the model elements.

Method Summary

void	dispose() Disposes this TableTreeViewerSorterHandler.
private void	registerColumns() Registers all TreeColumns to sort on header single mouse click.
void	sort(int columnIndex) Sorts the underlying model by the specified column.
void	sort(int columnIndex, boolean ascending) Sorts the underlying model by the specified columnIndex.
private void	unregisterColumns() Unregisters all TreeColumns from this TableTreeViewerSorterHandler.
void	widgetSelected(SelectionEvent event) Handles the SelectionEvent being triggered when the sorting column and/or order of the Tree changes.

Methods inherited from class org.eclipse.swt.events.SelectionAdapter

widgetDefaultSelected

Methods inherited from class java.lang.Object

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

Field Detail

tree

private Tree tree

The Tree that the TableTreeViewerSorter is bound to

sorter

private TableTreeViewerSorter sorter

The TableTreeViewerSorter to use for sorting

Constructor Detail

TableTreeViewerSorterHandler

public TableTreeViewerSorterHandler(Tree tree,
                                    TableTreeViewerSorter sorter)

Creates a new TableTreeViewerSorterHandler instance and binds it to the specified Tree using the given TableTreeViewerSorter to sort the model elements.

Parameters:

tree - the Tree to bind this TableTreeViewerSorterHandler to

sorter - the TableTreeViewerSorter to use to sort the model elements

Method Detail

dispose

public void dispose()

Disposes this TableTreeViewerSorterHandler.

widgetSelected

public void widgetSelected(SelectionEvent event)

Handles the SelectionEvent being triggered when the sorting column and/or order of the Tree changes. The sorting of the underlying model is done using the selected column to sort by. The sort direction is reversed, i.e. from ascending to descending and reverse.

Parameters:

event - Event the SelectionEvent triggered

sort

public void sort(int columnIndex)

Sorts the underlying model by the specified column. The sort direction is reversed.

Parameters:

columnIndex - int the index of the column to sort

sort

public void sort(int columnIndex,
                 boolean ascending)

Sorts the underlying model by the specified columnIndex.

Parameters:

columnIndex - int the index of the column to sort

ascending - true for ascending, false for descending sort order

registerColumns

private void registerColumns()

Registers all TreeColumns to sort on header single mouse click. Each single mouse click on the same TreeColumns reverses the sort order.

unregisterColumns

private void unregisterColumns()

Unregisters all TreeColumns from this TableTreeViewerSorterHandler.