/*
* -----------------------------------------------------------------------
* File: $HeadURL$
* Revision $LastChangedRevision$
* Last Modified: $LastChangedDate$
* Last Change by: $LastChangedBy$
* -----------------------------------------------------------------------
* Copyright (C) 2007 Keith Stribley <devel@thanlwinsoft.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
* -----------------------------------------------------------------------
*/
package org.thanlwinsoft.languagetest.eclipse.editors;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.TableColumn;
/**
* @author keith
*
*/
public class ColumnListener implements SelectionListener
{
private TableViewer tableViewer = null;
private TestItemSorter sorter = null;
private int columnIndex = -1;
private String column = null;
private String localeID = null;
/**
* A listener to detect clicks on column headings to initiate TestItem sorting
* @param viewer
* @param sorter
* @param columnIndex
* @param colId
* @param localeId
*/
public ColumnListener(TableViewer viewer, TestItemSorter sorter, int columnIndex, String colId, String localeId)
{
this.tableViewer = viewer;
this.sorter = sorter;
this.columnIndex = columnIndex;
this.column = colId;
this.localeID = localeId;
}
/* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetDefaultSelected(SelectionEvent e)
{
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent e)
{
if (e.widget instanceof TableColumn)
{
if (tableViewer.getTable().getSortColumn() == e.widget)
{
int oldDir = tableViewer.getTable().getSortDirection();
int newDir = SWT.None;
switch (oldDir)
{
case SWT.DOWN:
newDir = SWT.UP;
break;
case SWT.UP:
newDir = SWT.NONE;
break;
case SWT.NONE:
newDir = SWT.DOWN;
break;
}
sorter.setSortDirection(newDir);
tableViewer.getTable().setSortDirection(newDir);
tableViewer.setComparator(null);
if (newDir != SWT.NONE)
tableViewer.setComparator(sorter);
//tableViewer.getTable().redraw();
}
else
{
tableViewer.getTable().setSortColumn((TableColumn)e.widget);
sorter.setSortColumn(columnIndex, column);
sorter.setLocale(localeID);
sorter.setSortDirection(SWT.DOWN);
tableViewer.getTable().setSortDirection(SWT.DOWN);
tableViewer.setComparator(null);
tableViewer.setComparator(sorter);
//tableViewer.getTable().redraw();
}
}
}
}