希望這段代碼將有助於... 包作爲 { import flash.display。*; import flash.geom.Point;
import mx.charts.*;
import mx.charts.chartClasses.DataTip;
import mx.charts.series.ColumnSeries;
import mx.charts.series.items.ColumnSeriesItem;
public class MyDataTip extends DataTip
{
private var _xBaseLine:int=0;
private var _yBaseLine:int=0;
private var myX = 0
private var myY = 0
public function MyDataTip()
{
super();
}
override public function set data(arg1:Object):void {
var sMessage:String;
var pt:Point;
var hitData:HitData = mx.charts.HitData(arg1);
var chartItem = ColumnSeriesItem(hitData.chartItem);
var renderer = chartItem.itemRenderer;
var series = ColumnSeries(hitData.element);
var colName = chartItem.element.name
var pft = chartItem.xValue
if(renderer != null) {
myX = (renderer.width/2)
myY = (renderer.height/ 2) + (this.height)
}
super.data=arg1;
}
override public function move (x:Number, y:Number):void {
// Adjusted
var pointAdjusted:Point = new Point(x + _xBaseLine, y + _yBaseLine);
// Call the parent
super.move(pointAdjusted.x, pointAdjusted.y);
}
override protected function updateDisplayList(w:Number, h:Number):void
{
super.updateDisplayList(w, h);
this.x = this.x + myX - 15
this.y = this.y + myY - 7
}
}
} 乾杯! :)
感謝Prabby,但它看起來只會改變數據提示本身。正如我上面提到的,我需要將數據提示目標(圓圈中的點)一起移動。實際上,目標應該超過列的中心,數據提示應該從通常情況下的任何一方接觸它。 – Marcell 2011-03-16 23:26:17