check if is an instance of number or instead is a string.....
2009/10/9 my600080 <[email protected]> > > I tried to debug some more and here is what I found. The problem is in > the line chart renderer. Here is the original code from gwtext 2.0.6 > sample LineChartSample.java code: > > Renderer renderer = new Renderer() { > public String render(Object value, CellMetadata > cellMetadata, Record record, int rowIndex, int colNum, Store store) { > NumberFormat nf = NumberFormat.getCurrencyFormat > (); > return nf.format(((Number) value).doubleValue()); > } > }; > > For this piece of code, if I update the value in the line chart data > grid, the value will not get updated and so the chart is not > refreshed. > > If I change the above as following: > > Renderer renderer = new Renderer() { > public String render(Object value, CellMetadata > cellMetadata, Record record, int rowIndex, int colNum, Store store) { > return value.toString(); > } > }; > > > Then the line chart data grid update works just fine (of course, it's > not formatted any more) and so the chart is refreshed correctly with > the new data. > > Do you know what the problem might be? Is it possible that I cannot > cast the value object inside the renderer? > > Your help is highly appreciated! > > M.Y. > > On Oct 7, 4:27 pm, my600080 <[email protected]> wrote: > > I'm using Eclipse Galileo, GWT 1.7 and GWT-EXT 2.0.6. I copied the > > Charts samples into my workspace. Everything works ok except that when > > I tried to update the values in the Grid for any of the charts, the > > change reverses back right away to the old value. Is this something > > that anyone else has experienced as well? Or is it just me? Thanks! > > > > M.Y. > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "GWT-Ext Developer Forum" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/gwt-ext?hl=en -~----------~----~----~----~------~----~------~--~---
