Bug 201042 [Accessibility]Chart scritp should not add by auto when click the down in keyboard[17]
Description: Chart scritp should not add by auto when click the down in keyboard[0704] Step: 1. New a chart and switch to script view. 2. Let the point on the script function selection. 3. Click the down on keyboard. Actual result: A function will add by auto. Expected result: Customer can not select the function under the second function by keyboard, and it should not be added by auto.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/GanttLineAttributesComposite.java
}
	public Point getPreferredSize( )
	{
		Point ptSize = new Point( 250, 40 );
		if ( bEnableVisibility )
		{
			ptSize.y += 30;
		}
		if ( bEnableStyles )
		{
			ptSize.y += 30;
		}
		if ( bEnableWidths )
		{
			ptSize.y += 30;
		}
		return ptSize;
	}
	public void setEnabled( boolean bState )
	{
		boolean bEnableUI = true;
		if ( this.bEnableVisibility )
		{
			cbVisible.setEnabled( bState );
			bEnableUI = cbVisible.getSelection( );
		}
		if ( this.bEnableStyles )
		{
			lblStyle.setEnabled( bState & bEnableUI );
			cmbStyle.setEnabled( bState & bEnableUI );