Bug 122869 Drag a parameter from data explorer view into a table in library, a new parameter is created automatically.
Description:Drag a parameter from data explorer view into a table in library, a new parameter is created automatically. Steps to reproduce: 1. Add a cascading parameter and a table in a library file. 2. Drag a parameter from data explorer view into a table cell in layout editor. 3. Find that a new parameter was added in data explorer view automatically.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ExpressionTreeSupport.java
{
						image = IMAGE_STATIC_MEMBER;
					}
					else
					{
						image = IMAGE_MEMBER;
					}
				}
				createSubTreeItem( subItem,
						memberInfo.getDisplayName( ),
						image,
						getMemberTextData( classInfo.getName( ), memberInfo ),
						memberInfo.getToolTip( ),
						true );
			}
			
			List methodList = new ArrayList( );
			methodList.add( classInfo.getConstructor( ) );
			methodList.addAll( classInfo.getMethods( ) );
			for ( Iterator iterator = methodList.iterator( ); iterator.hasNext( ); )
			{
				IMethodInfo methodInfo = (IMethodInfo) iterator.next( );
				if ( methodInfo == null )
				{
					
					continue;
				}
				Image image = globalImage;
				if ( image == null )
				{