Bug 113938 Report is marked dirty when open/close cascading parameter dialog without doing any operation on it
description: Report is marked dirty when open/close cascading parameter dialog without doing any operation on it steps to reproduce: 1.new a cascading parameter group 2.save the reprot 3.double click the cascading parameter to bring out edit box 4.click OK to close edit box actual result: Report has been marked dirty expected result: No dirty marked for that no operations done in edit parameter dialog
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionProvider.java
public String getTooltipText( Object element )
	{
		if ( element instanceof Operator )
		{
			return ( (Operator) element ).tooltip;
		}
		else if ( element instanceof ILocalizableInfo[] )
		{
			return ( (ILocalizableInfo[]) element )[1].getToolTip( );
		}
		return getDisplayText( element );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.dialogs.IExpressionProvider#getImage(java.lang.Object)
	 */
	public Image getImage( Object element )
	{
		if ( element instanceof Operator )
		{
			return IMAGE_OPERATOR;
		}
		else if ( element instanceof ILocalizableInfo[] )
		{
			ILocalizableInfo info = ( (ILocalizableInfo[]) element )[1];
			if ( info instanceof IMethodInfo )
			{
				if ( ( (IMethodInfo) info ).isStatic( ) )
				{