TimeData.as revision f15db56f74c632307d2cd8210cb4e883ac99d308
package com.yahoo.infographics.data
{
/**
* Data class for time data.
*/
public class TimeData extends AxisData
{
/**
* Constructor
*/
public function TimeData(dataProvider:ChartDataProvider = null)
{
super(dataProvider);
this._dataType = "time";
}
/**
* @private (override)
*/
override public function getKeyValueAt(key:String, index:int):Number
{
var value:Number = NaN;
return value;
}
/**
* @private
*/
override protected function updateMinAndMax():void
{
var data:Array = this.data;
var max:Number = 0;
var min:Number = 0;
if(data && data.length > 0)
{
var len:int = data.length;
max = min = this.dateToNumber(data[0]);
if(len > 1)
{
for(var i:int = 0; i < len; i++)
{
max = Math.max(max, this.dateToNumber(data[i]));
min = Math.min(min, this.dateToNumber(data[i]));
}
}
}
this._dataMaximum = max;
this._dataMinimum = min;
}
/**
* @private
*/
private function dateToNumber(value:Object):Number
{
if(value is Date) return (value as Date).valueOf();
if(!(value is Number)) return new Date(value.toString()).valueOf();
return value as Number;
}
}
}