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/ParameterDialog.java
text = FLAG_DEFAULT;
				}
			}
			else if ( columnIndex == valueIndex )
			{
				if ( choice == dummyChoice )
				{
					text = INPUT_PROPMT;
				}
				else
				{
					text = format( choice.getValue( ) );
				}
			}
			else if ( columnIndex == valueIndex + 1 )
			{
				text = choice.getLabel( );
			}
			if ( text == null )
			{
				text = ""; 
			}
			return text;
		}
		public void addListener( ILabelProviderListener listener )
		{
		}
		public void dispose( )
		{
		}