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/palette/BasePaletteFactory.java
CreateRequest request = getRequest( );
			if ( IReportElementConstants.REPORT_ELEMENT_DATA.equalsIgnoreCase( (String) request.getNewObjectType( ) ) )
			{
				
				 )
				
				
				
				DataItemHandle dataHandle = DesignElementFactory.getInstance( )
						.newDataItem( null );
				setModel( dataHandle );
				return super.preHandleMouseUp( );
			}
			return false;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.designer.internal.ui.editors.schematic.tools.AbstractToolHandleExtends#preHandleMouseDown()
		 */
		public boolean preHandleMouseDown( )
		{
			
			return false;
		}
	}
	/**
	 * Provides element building support for Image element.
	 */
	public static class ImageToolExtends extends AbstractToolHandleExtends