Thanks Ely, That really helps!
Re: Dragging a column - Let me try to describe what I am trying to
accomplish:
Imagine a DataGrid with potentially thousands of rows (paged via data
services) and maybe 10 columns. Below the DataGrid is a Column Chart.
Below the Column Chart is a row of images/buttons, with labels like
"by Market", "by Title", "by Revenue", etc. Click on a image/button
and the Chart above renders a summary of the data in the DataGrid by
one of it's columns (Market, Title, Revenue, etc.) A user can either
Select rows from the DataGrid or a Column (representing a group of
rows from the DataGrid where Column value equals category of Chart)
and drag them to a shopping cart in order to purchase. For Example: a
user could select individual rows from the DataGrid or select the
"Telecom" Column on the "by Market" Chart which would represent all
rows in the DataGrid where the value in the "Market" column equals
"Telecom". Does this make sense?
Re: New Chart Types - Where would I find someone that I can engage
(pay) to build a new Chart type, or modify an existing renderer? Not
a big project I presume, and I'm finding that many firms are not
interested in small projects like that...
--- In flexcoders@yahoogroups.com, "Ely Greenfield" <[EMAIL PROTECTED]> wrote:
>
>
>
> Let's see...
>
> 1) If you're going to use binding to assign the dataprovider, and you
> want to swap in a different one at runtime, you either need to a) change
> the value of the thing you're binding to, or b) don't use binding. i.e.,
> you could do this:
>
> <Script>
> [Bindable] public var currentDP:Array;
>
> public function changeDP() {
> currentDP = someOtherDP;
> }
>
>
>
> // Adding a series:
> Function addSeries()
> {
> var newSeries:ColumnSeries = new ColumnSeries();
> newSeries.yField = "newYField";
> chartSeries.push(newSeries);
> myChart.series = chartSeries;
> }
>
> </Script>
>
>
> <ColumnChart id="myChart" dataProvider="{currentDP}" >
> <series>
> <Array id="chartSeries">
> <ColumnSeries ... />
> </Array>
> </series>
> </ColumnChart>
>
>
>
> I'm not sure exactly what you mean by dragging a column. You mean
> drag-select a group of columns to then drag/drop? Could be done, but it
> would be non-trivial work. Selection unfortunately didn't make it into
> this release. But you could extend the ColumnSeries and CartesianChart
> to support it.
>
>
> Additional Types: Yes, in theory, although nothing specific is planned
> at this point. PieChart is built on PolarChart, which could serve as
> the basis for any type of Polar Coordinate based chart. Which means a
> RadarSeries shouldn't be too hard to build on the shipping Flex2 charts
> (think of it as a LineSeries based on a PolarChart).
>
> Ely.
>
>
> -----Original Message-----
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of flexabledev
> Sent: Monday, April 17, 2006 9:12 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Re: [Flex 2b2] Changing a Chart's dataProvider at
> runtime?
>
> Change it to a different one. (See below) For example:
>
> change dataProvider (via AS3) for summaryChart to
> "{model.marketSummary}"
> add a ColumnSeries where yField equals "mktQTY" and categoryField equals
> "mktLabel"
>
> Thanks Ely! Also, while I've got you...
>
> Any suggestion on how to drag a column as a way to select a group of
> data to drop?
> Are there any plans for additional chart types in the future? Radar
> Chart?
>
> Martin
>
>
> <mx:ColumnChart id="summaryChart"
> dataProvider="{model.scoreSummary}"
> showDataTips="true"
> width="100%" height="45%" axisTitleStyle="axisStyle" >
>
> <mx:horizontalAxis>
> <mx:CategoryAxis
> dataProvider="{model.scoreSummary}"
> categoryField="scrLabel" />
> </mx:horizontalAxis>
> <mx:series>
> <mx:Array>
> <mx:ColumnSeries displayName="Leads"
> yField="scrQTY" />
> </mx:Array>
> </mx:series>
> </mx:ColumnChart>
>
>
> --- In flexcoders@yahoogroups.com, "Ely Greenfield" <egreenfi@>
> wrote:
> >
> >
> > What do you mean by change the dataProvider? Modify it? Or change to a
>
> > different one?
> >
> >
> > And if you can give an example of how you're setting the series in the
>
> > first place, I can give help adding a new one.
> >
> > Ely.
> >
> >
> >
> > -----Original Message-----
> > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
> > On Behalf Of flexabledev
> > Sent: Monday, April 17, 2006 6:38 PM
> > To: flexcoders@yahoogroups.com
> > Subject: [flexcoders] [Flex 2b2] Changing a Chart's dataProvider at
> > runtime?
> >
> > Can someone give me a real quick example (Flex 2 B2 please) on how to
> > change the dataProvider and adding a series to a Chart at runtime? It
>
> > seems to have changed from Flex 1.5 and other than changing the
> > yField of series for an existing dataProvider, I can't find a good
> > example in the docs. Thanks in advance...
> >
> >
> >
> >
> >
> >
> >
> > --
> > Flexcoders Mailing List
> > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
> > Search Archives:
> > http://www.mail-archive.com/flexcoders%40yahoogroups.com
> > Yahoo! Groups Links
> >
>
>
>
>
>
>
> --
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