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Tutorials » Actionscripting

Dynamic charts
Author: Sas Jacobs | Website: http://www.sasjacobs.com |

The functions

The complete functions are shown below.

function UpdateChartDataFn() {

 ThisBarChart.setChartTitle(strTitle);

 ThisBarChart.setXAxisTitle(strXTitle);

 ThisBarChart.setYAxisTitle(strYTitle);



 //Number of chart items

 var NumToUpdate = DataRowsCBO.getSelectedItem().data;



 //set up variables for data provider

 var arrLabel = new Array();

 var arrValue = new Array();

 var ChartData = new DataProviderClass();



 //write text values to arrays and add to data provider

 for (i=0; i < NumToUpdate; i++) {

 arrLabel[i] = this["ChartLabel"+i].text;

 arrValue[i] = this["ChartValue"+i].text;

 ChartData.addItem({DataLabel:ArrLabel[i], DataValue:ArrValue[i]});

 }

 //add chart data to bar chart

 ThisBarChart.setDataProvider(ChartData);

 ThisBarChart.setLabelSource("DataLabel");

 ThisBarChart.setValueSource("DataValue");

}



function drawFields(component) {

 //remove fields

 removeTextFields();



 //get number of fields

 var NumFieldsDraw = component.getSelectedItem().data;



 //text format

 Tformat = new TextFormat();

 Tformat.font = "Verdana";

 Tformat.size = 10;



 //label format

 Lformat = new TextFormat();

 Lformat.bold = true;

 Lformat.font = "Verdana";

 Lformat.size = 10;



 //dynamically create text fields

 for (var i=0; i < NumFieldsDraw; i++) {

 //instanceName,depth,x,y,width,height

 this.createTextField("ChartLabel"+i,i,380,90+(i*25),110,20);

 this["ChartLabel"+i].text = "Enter Chart Label";

 this["ChartLabel"+i].type = "input";

 this["ChartLabel"+i].setTextFormat(Lformat);

 this["ChartLabel"+i].setNewTextFormat(Lformat);	



 this.createTextField("ChartValue"+i,100+i,500,90+(i*25),110,20);

 this["ChartValue"+i].text = "Enter Chart Value";

 this["ChartValue"+i].type = "input";

 this["ChartValue"+i].border = true;

 this["ChartValue"+i].setTextFormat(Tformat);

 this["ChartValue"+i].setNewTextFormat(Tformat);



 }

}



function removeTextFields() {

 for (var i=0; i < 10; i++) {

 if (this["ChartLabel"+i]) {

 this["ChartLabel"+i].removeTextField();

 }

 if (this["ChartValue"+i]) {

 this["ChartValue"+i].removeTextField();

 }

 }

}

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