Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
for ( int i = 0; i < report.getStyleCount( ); i++ )
		{
			
			StyleDeclaration cachedStyle = (StyleDeclaration) report
					.getStyle( i );
			if ( cachedStyle.equals( style ) )
			{
				
				
				style = cachedStyle;
				return Report.PREFIX_STYLE_NAME + i;
			}
		}
		
		
		
		String styleName = Report.PREFIX_STYLE_NAME + report.getStyleCount( );
		report.addStyle( styleName, style );
		return styleName;
	}
	protected String getElementProperty( ReportElementHandle handle, String name )
	{
		return getElementProperty( handle, name, false );
	}
	protected String getElementProperty( ReportElementHandle handle,
			String name, boolean isColorProperty )
	{
		FactoryPropertyHandle prop = handle.getFactoryPropertyHandle( name );
		if ( prop != null && prop.isSet( ) )
		{