/**************************************************************************
* ERA - Eclipse Requirements Analysis
* ==============================================
* Copyright (C) 2009-2013 by Georg Blaschke, Christoph P. Neumann
* and Bernd Haberstumpf (http://era.origo.ethz.ch)
**************************************************************************
* Licensed under the Eclipse Public License - v 1.0 (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.eclipse.org/org/documents/epl-v10.html
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**************************************************************************
*/
package era.foss.ui.contrib;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
/**
* The Class TableViewerExtensions.
*/
public class TableViewerExtensions
{
/**
* Requires a TableViewer. Will translate a MouseClick into the active column. Primary use-case: reset column value
* to its default value.
*
* @param tableViewer the table viewer
*/
public static void addActiveColumnDetection( final TableViewer tableViewer ) {
tableViewer.getTable().addMouseListener( new MouseAdapter() {
public void mouseDown( MouseEvent e ) {
int x = 0;
for( int i = 0; i < tableViewer.getTable().getColumnCount(); i++ ) {
x += tableViewer.getTable().getColumn( i ).getWidth();
if( e.x <= x ) {
((IActiveColumn) tableViewer).setActiveColumn(i);
break;
}
}
}
} );
}
}