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/ui/dialogs/ExpressionBuilder.java
} );
		ToolItem cut = new ToolItem( toolBar, SWT.NONE );
		cut.setImage( ReportPlatformUIImages
				.getImage( ISharedImages.IMG_TOOL_CUT ) );
		cut.setToolTipText( TOOL_TIP_TEXT_CUT );
		cut.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				sourceViewer.doOperation( ITextOperationTarget.CUT );
			}
		} );
		ToolItem paste = new ToolItem( toolBar, SWT.NONE );
		paste.setImage( ReportPlatformUIImages
				.getImage( ISharedImages.IMG_TOOL_PASTE ) );
		paste.setToolTipText( TOOL_TIP_TEXT_PASTE );
		paste.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				sourceViewer.doOperation( ITextOperationTarget.PASTE );
			}
		} );
		ToolItem delete = new ToolItem( toolBar, SWT.NONE );
		delete.setImage( ReportPlatformUIImages
				.getImage( ISharedImages.IMG_TOOL_DELETE ) );
		delete.setToolTipText( TOOL_TIP_TEXT_DELETE );
		delete.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				sourceViewer.doOperation( ITextOperationTarget.DELETE );
			}