Bug 161429 center position missing for gantt chart
When designing a gantt chart, it should be possible to display the labels inside the bar, using a new "center" attribute. See how it should like in UI and output in attached screenshot.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/format/popup/series/SeriesLabelSheet.java
{
			if ( context.getModel( ) instanceof ChartWithAxes )
			{
				getSeriesForProcessing( ).setLabelPosition( ChartUIUtil.getFlippedPosition( Position.getByName( LiteralHelper.fullPositionSet.getNameByDisplayName( cmbPosition.getText( ) ) ),
						isFlippedAxes( ) ) );
			}
			else
			{
				getSeriesForProcessing( ).setLabelPosition( Position.getByName( LiteralHelper.fullPositionSet.getNameByDisplayName( cmbPosition.getText( ) ) ) );
			}
		}
		else if ( e.getSource( ).equals( btnAddComponent ) )
		{
			lstComponents.add( this.cmbComponentTypes.getText( ) );
			addDataPointComponent( lstComponents.getItemCount( ) - 1 );
			refreshDataPointButtons( );
		}
		else if ( e.getSource( ).equals( btnRemoveComponent ) )
		{
			if ( lstComponents.getSelectionCount( ) == 0 )
			{
				return;
			}
			int iSelected = lstComponents.getSelectionIndices( )[0];
			if ( iSelected != -1 )
			{
				removeDataPointComponent( iSelected );
				lstComponents.remove( iSelected );
			}
			refreshDataPointButtons( );