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
fccBackground.setLayoutData( gdFCCBackground );
		fccBackground.addListener( this );
		lblShadow = new Label( grpAttributes, SWT.NONE );
		GridData gdLBLShadow = new GridData( );
		lblShadow.setLayoutData( gdLBLShadow );
		lblShadow.setText( Messages.getString( "LabelAttributesComposite.Lbl.Shadow" ) ); 
		fccShadow = new FillChooserComposite( grpAttributes,
				SWT.NONE,
				getContext( ),
				getSeriesForProcessing( ).getLabel( ).getShadowColor( ),
				false,
				false );
		GridData gdFCCShadow = new GridData( GridData.FILL_BOTH );
		fccShadow.setLayoutData( gdFCCShadow );
		fccShadow.addListener( this );
	}
	private void setEnabled( boolean bEnableUI )
	{
		grpOutline.setEnabled( bEnableUI );
		liacOutline.setAttributesEnabled( bEnableUI );
		icInsets.setEnabled( bEnableUI );
		grpAttributes.setEnabled( bEnableUI );
		lblPosition.setEnabled( bEnableUI );
		cmbPosition.setEnabled( bEnableUI );
		lblFont.setEnabled( bEnableUI );
		fdcFont.setEnabled( bEnableUI );
		lblFill.setEnabled( bEnableUI );
		fccBackground.setEnabled( bEnableUI );
		lblShadow.setEnabled( bEnableUI );
		fccShadow.setEnabled( bEnableUI );