Bug 154832 Wrong node is added to Report Parameters for cascading parameter in Palette view
Description: Wrong node is added to Report Parameters for cascading parameter in Palette view. Steps to reproduce: 1. New a report, add a cascading parameter 2. Switch to Script tab in Editor view, and then switch to Palette view 3. Expand Report Parameters node Expected result: A cascading parameter group is added to Report Parameters node Actual result: Expect a cascading parameter group is added to Report Parameters node, the children of the cascading parameter group are added as scalar parameters
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/JSEditor.java
} );
		super.createPartControl( child );
		getViewer( ).addTextListener( new ITextListener( ) {
			public void textChanged( TextEvent event )
			{
				if ( !settingText
						&& !isModified
						&& event.getOffset( )!=0 )
				{
					markDirty( );
				}
			}
		} );
		this.getSourceViewer( )
				.getTextWidget( )
				.addModifyListener( new ModifyListener( ) {
					public void modifyText( ModifyEvent e )
					{
						markDirty( );
					}
				} );
		
		SessionHandleAdapter.getInstance( ).getMediator( ).addColleague( this );
		disableEditor( );
	}
	/**
	 * Get current edit element, not report design model.
	 * @return
	 */
	public Object getModel( )