Bug 135265 Paste to a wrong column
Steps to reproduce: 1.Open the attached file 2.Choose the column[2] which contains a label , copy and paste to column[3] Expected result: It will be pasted to column[3] Actual result: It is pasted to column[4] The related bug is #103448
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ColumnBandCopyAction.java
* Makes new copies of a list of cell handles with the given column number.
	 * 
	 * @param cells
	 *            a list of cells.
	 * @param columnNumber
	 *            the column number
	 * @return a list containing new cloned cells
	 */
	private List cloneCells( List cells, int columnNumber )
	{
		List list = new ArrayList( );
		for ( int i = 0; i < cells.size( ); i++ )
		{
			CellHandle originalCell = (CellHandle) cells.get( i );
			Cell clonedCell = (Cell) originalCell.copy( );
			
			list.add( getCellContextInfo( clonedCell, (RowHandle) originalCell
					.getContainer( ) ) );
		}
		return list;
	}
	/**
	 * Returns the context information of a cell. The cell must reside in a
	 * valid row container.
	 * 
	 * @param cell
	 *            the cell handle
	 * @param row
	 *            the row that contains the context information
	 * @return a new <code>CellContextInfo</code> object