The colours come from JFreeChart's DefaultDrawingSupplier.
There's nothing you can supply in the objects that go into the items array that
will affect rendering. The items, nameKey and valueKey bindings are all about
building the dataset for your chart.
If you really wanted to go down the path of having ERPlot build the chart for
you with the colours of your choice you'll probably need your own
DrawingSupplier implementation which would allow you provide an array of
colours for rendering, then use the configurations binding the set your
DrawingSupplier for some keypath similar to "plot.drawingSupplier".
I think you should take the responsibility away from ERPlot for building the
chart. If you build it yourself you gain control over changing the rendering
values for individual sections/items etc, something you can't achieve with the
configurations binding and kvc..
Sharpy..
On 18/09/2010, at 6:44 AM, Baiss Eric Magnusson wrote:
> I thought if I supplied to the <item> binding of ERPPieChart the <totals>
> NSMutableArray below:
>
> public class TotalOfMonth { // inner class
> public BigDecimal _total;
> public String _name;
> public Color _color;
> public String _legend;
>
> TotalOfMonth( BigDecimal total, String name, Color color ) {
> _total = total;
> _name = name;
> _color = color;
> mTotalsGraph += total.doubleValue();
> }
> }
>
> NSMutableArray<TotalOfMonth> totals = new
> NSMutableArray<TotalOfMonth>(5);
> Color fixedExpColor = new Color( 0xff, 0x66, 0x00 );
>
> totals.addObject( new TotalOfMonth( thisMonth.fixedMonthlyExpense(),
> "Fixed Expense ", fixedExpColor ));
> ...
> That the "Fixed Expense " piece of the pie chart would be set to the color
> <fixedExpColor>, but the color seems to come from ???
>
>
> ----
> Baiss Eric Magnusson
> CascadeWebDesign.com
>
>
>
>
>
>
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