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
*            the source column to shift
	 * @param destIndex
	 *            the target column to shift
	 * @throws SemanticException
	 *             if any error occurs during moving the column
	 */
	private void shiftColumn( TableColumn column, int sourceIndex, int destIndex )
			throws SemanticException
	{
		if ( column == null )
			return;
		SlotHandle columns = adapter.getColumns( );
		TableColumn sourceColumn = ColumnHelper.findColumn(
				adapter.getModule( ), columns.getSlot( ), sourceIndex );
		ColumnHandle sourceCol = (ColumnHandle) sourceColumn.getHandle( adapter
				.getModule( ) );
		pasteColumn( column, destIndex, true );
		int repeat = sourceCol.getRepeatCount( );
		if ( repeat == 1 )
			columns.drop( sourceCol );
		else
		{
			sourceCol.setRepeatCount( repeat - 1 );
		}
	}
	/**
	 * Moves cells from one column band to another column band.
	 * 
	 * @param cellInfos
	 *            a list containing information for cells to shift