Bug 142430 Available data set should be invisible for dynamic image
Steps to reproduce: 1.New a sample data source and data set with table "PRODUCTLINES" 2.Add a dynamic image, binding with data set 3.Click "Expression Builder" Expected result: Available data set is not listed in Category to avoid user choose it Actual result: Available data set is listed in Category but we didn't support such expression like dataSetRow["image"]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
DLG_TITLE_LOADING_FAIL,
					DLG_ERROR_MSG_LOADING_FAIL );
		}
	}
	private void preview( )
	{
		if ( embeddedImageList.getSelectionCount( ) > 0 )
		{
			Image image = ImageManager.getInstance( )
					.getImage( inputImage.getModuleHandle( ),
							embeddedImageList.getSelection( )[0] );
			try
			{
				previewCanvas.loadImage( image );
				return;
			}
			catch ( Exception e )
			{
				ExceptionHandler.handle( e,
						DLG_TITLE_LOADING_FAIL,
						DLG_ERROR_MSG_LOADING_FAIL );
			}
		}
		clearPreview( );
	}
	private void clearPreview( )
	{
		previewCanvas.clear( );
	}
	/*