[flexcoders] Dynamic Column Chart.( First Post to group )

[sdinvest05]

Hi,

I have to add Series dynamically to my Column Chart. Also if possible
I would like to change horizontalAxis dynamically. I am loading the
data as Model in xml file. Please reply.

<------testGraph.mxml-------->

<?xml version="1.0" encoding="iso-8859-1"?>
<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml";
initialize="initChart();">
 <mx:Script>
   <![CDATA[
   
        import mx.charts.series.ColumnSeries;
        import mx.charts.chartClasses.Axis;
        import mx.charts.AxisRenderer;
        import mx.charts.CategoryAxis;
        //import mx.charts.ColumnChart;         
        import mx.charts.*;     
                
        var dataSet : Array;
        var horizontalField : Array;
        function initChart(){
                dataSet = stateData.state;                      
        }
                        
        function addSeries() {
                estateTrendChart.series.removeAll();            
                var columnSeries = new ColumnSeries();
                columnSeries.yField = dataSet.medianPrice;
                columnSeries.xField = dataSet.endDate;
                estateTrendChart.series.addItem(columnSeries);  
        }
          
   ]]></mx:Script>

    <mx:Model id="stateData" source="StateSFRMedianPrice.xml">
    </mx:Model>
    <mx:Script source="chartFunctions.as" ></mx:Script>
    <mx:ColumnChart id="estateTrendChart"   dataProvider="{dataSet}"  
                showDataTips="true" width="80%" height="80%">
                        
        <mx:horizontalAxis>
                <mx:CategoryAxis dataProvider="{dataSet}" 
categoryField="endDate" 
name="Month" />
        </mx:horizontalAxis>

        <mx:verticalAxis>
                <mx:LinearAxis name="Price" />
        </mx:verticalAxis>
        <mx:series >
                <mx:Array>                              
                </mx:Array>
        </mx:series> 

        </mx:ColumnChart>
                <mx:Button label="Clean" click="addSeries();">
</mx:Button>            
</mx:Application>

<-----StateSFRMedianPrice.xml------>

<?xml version="1.0" encoding="utf-8"?>
<data>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Jan-03</endDate>
                <medianPrice>450000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Feb-03</endDate>
                <medianPrice>480000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Mar-03</endDate>
                <medianPrice>550000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Apr-03</endDate>
                <medianPrice>500000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>May-03</endDate>
                <medianPrice>500000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Jun-03</endDate>
                <medianPrice>500000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Jul-03</endDate>
                <medianPrice>360000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Aug-03</endDate>
                <medianPrice>700000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Sep-03</endDate>
                <medianPrice>450000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Oct-03</endDate>
                <medianPrice>400000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Nov-03</endDate>
                <medianPrice>350000</medianPrice>
        </state>
        <state>
                <name>California</name>
                <period>Monthly</period>
                <endDate>Dec-03</endDate>
                <medianPrice>300000</medianPrice>
        </state>
</data>






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