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From pan peter <pan.peter1...@gmail.com>
Subject Re: how to use drag and drop swap table columns
Date Mon, 14 Nov 2011 11:25:50 GMT
got java.lang.UnsupportedOperationException while drag and drop a table
header column 

public DropAction drop(Component arg0, Manifest arg1, int arg2,
                    int arg3, int arg4, DropAction arg5)
            {
                tableViewHeader = (TableViewHeader) arg0;
                /** here get the relative x for selected header  */
                int xx = horizantalSplitTwo.getBounds().x;
                int selectedIndex = tableViewHeader.getHeaderAt(arg3 - xx);
                System.out.println("---------- drop !!!!-----------" +
selectedIndex);
                /**  i can see the index is correct */
                TableView.ColumnSequence tc = 
tableViewHeader.getTableView().getColumns();
                /**   i can see all columns are correct */

                TableView.Column col0 =
tableViewHeader.getTableView().getColumns().get(0);
                TableView.Column col3 =
tableViewHeader.getTableView().getColumns().get(3);
                
                tc.update(3, col0);
                /**  Then I got exception for the update ??  **/

                ........                
                return null;
            }

anything wrong in my code?


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