RE: [flexcoders] chart formatting

1 Mar 2005 01:11:34 -0000

Tom,

 

In my chart, I have the following:

 

// some parent container tag

 

<mx:Script>

                        <![CDATA[

                                    import mx.charts.series.ColumnSeries;

                                    import mx.controls.gridclasses.*;

                                   

                                    function formatDataTip(eventObj) {

                                                // Get the hit data structure from the event object:

                                       var hd : mx.charts.HitData = eventObj.hitData;

                                       // Cast element to a columnSeries:

                                       var col : mx.charts.series.ColumnSeries = mx.charts.series.ColumnSeries(hd.element);

                                       // Get the yValue out of the data point:

                                       return col.name + ":\n" + "$" + thousandsformatter.format(hd.item[col.yField]);

                                    }

                                   

                                    function formatThousands(val) {

                                                return "$" + thousandsformatter.format(val);

                                    }

                        ]]>

            </mx:Script>

           

            <mx:VBox width="100%" height="100%" id="balChartBox">

                                   

                        <mx:ColumnChart id="balChart" width="100%" height="100%" dataProvider="{rawData}" showDataTips="true" dataTipFunction="formatDataTip" series="{series}" initialize="setSeries();">

 

                                    <mx:horizontalAxis>

                                                <mx:CategoryAxis dataProvider="{rawData}" categoryField="{field}" name="Drill-down" />

                                    </mx:horizontalAxis>

                                   

                                    <mx:verticalAxisRenderer>

                                                <mx:AxisRenderer labelFunction="formatThousands" />

                                    </mx:verticalAxisRenderer>

                                   

                                    <mx:verticalAxis>

                                                <mx:LinearAxis name="U.S. Dollars" />

                                    </mx:verticalAxis>

           

                        </mx:ColumnChart>

           

            </mx:VBox>

           

            <mx:NumberFormatter id="thousandsformatter" precision="2" useThousandsSeparator="true" useNegativeSign="false"/>

 

// parent container end tag

 

Which should do what you’re asking…just add the AxisRenderer with the format function and add the format function itself with the NumberFormatter component and you should be good to go.

 

Hope that helps!

 

Rob

From: Tom Fitzpatrick [mailto:[EMAIL PROTECTED]
Sent: Monday, February 28, 2005 7:53 PM
To: [EMAIL PROTECTED]
Subject: [flexcoders] chart formatting

 

What's the most efficient way to format the axis labels of a chart?

The dataProvider is providing values such as 135000. I want to be able to
format these values as, for example, $135,000 or $135K. What's the best
approach?

- Tom Fitzpatrick
Streamline Studios






 
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