Bug 151960 Library element popup menu display is wrong.
1:Creat a libray, add a table to this libray. 2:public this library. 3:Creat a report design. 4:Open the library explore, drag the table to the layout editor. 5:Select the table row, copy the selection row. 6:Select other row, clik the right button of the mouse to popup the menu . The result:Paste action and insert copied column action is highlight.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ColumnBandShiftAction.java
}
	}
	/**
	 * Checks whether the paste operation can be done with the given copied
	 * column band data, the column index and the operation flag.
	 * 
	 * @param row
	 *            the row handle
	 * @param fromPosn
	 *            the source position in the shift
	 * @param toPosn
	 *            the destination position in the shift
	 * @throws SemanticException
	 */
	protected void clearsCellColumnProperties( RowHandle row, int fromPosn,
			int toPosn ) throws SemanticException
	{
		int fromIndex = fromPosn;
		int endIndex = toPosn;
		if ( fromPosn > toPosn )
		{
			fromIndex = toPosn;
			endIndex = fromPosn;
		}
		if ( row.getCells( ).getCount( ) <= endIndex )
			endIndex = row.getCells( ).getCount( ) - 1;
		for ( int i = fromIndex; i <= endIndex; i++ )
		{
			CellHandle cell = (CellHandle) row.getCells( ).get( i );
			cell.setColumn( 0 );