Drag Drop To Component
<!--
Code from Flex 4 Documentation "Using Adobe Flex 4".
This user guide is licensed for use under the terms of the Creative Commons Attribution
Non-Commercial 3.0 License.
This License allows users to copy, distribute, and transmit the user guide for noncommercial
purposes only so long as
(1) proper attribution to Adobe is given as the owner of the user guide; and
(2) any reuse or distribution of the user guide contains a notice that use of the user guide is governed by these terms.
The best way to provide notice is to include the following link.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
-->
<!-- charts/DragDropToComponent.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark"
creationComplete="srv.send()" height="600">
<fx:Declarations>
<!--
View source of the following page to see the structure of the data
that Flex uses in this example.
-->
<mx:HTTPService id="srv"
url="http://aspexamples.adobe.com/chart_examples/medals-xml.aspx" />
<!--
To see data in an HTML table, go to
http://aspexamples.adobe.com/chart_examples/medals.aspx
-->
</fx:Declarations>
<fx:Script>
import mx.collections.ArrayCollection;
import mx.events.DragEvent;
import mx.controls.List;
import mx.managers.DragManager;
import mx.core.DragSource;
import mx.charts.chartClasses.ChartBase;
import mx.charts.ChartItem;
import mx.charts.events.ChartItemEvent;
import mx.charts.series.items.ColumnSeriesItem;
private function doDragEnter(event:DragEvent):void {
var dragTarget:TextArea = TextArea(event.currentTarget);
DragManager.acceptDragDrop(dragTarget);
}
private function doDragDrop(event:DragEvent):void {
var dropTarget:TextArea = TextArea(event.currentTarget);
var curItem:ColumnSeriesItem = ColumnSeriesItem(event.dragSource.dataForFormat("chartitems")[0]);
var curSeries:ColumnSeries = ColumnSeries(curItem.element);
var medalType:String = curSeries.displayName;
var numMedals:String = curItem.yValue.toString();
var countryName:String = curItem.item.country;
ta1.text = countryName + " earned " + numMedals + " " + medalType + " medals.";
}
</fx:Script>
<s:layout>
<s:VerticalLayout />
</s:layout>
<s:Panel title="Dropping ChartItem Objects">
<s:layout>
<s:VerticalLayout />
</s:layout>
<mx:ColumnChart id="myChart" height="225" showDataTips="true"
dataProvider="{srv.lastResult.data.result}" selectionMode="single"
dragEnabled="true">
<mx:horizontalAxis>
<mx:CategoryAxis categoryField="country" />
</mx:horizontalAxis>
<mx:series>
<mx:ColumnSeries id="columnSeries1" xField="country"
yField="gold" displayName="Gold" selectable="true" />
<mx:ColumnSeries id="columnSeries2" xField="country"
yField="silver" displayName="Silver" selectable="true" />
<mx:ColumnSeries id="columnSeries3" xField="country"
yField="bronze" displayName="Bronze" selectable="true" />
</mx:series>
</mx:ColumnChart>
<s:HGroup>
<mx:Legend dataProvider="{myChart}" />
<s:TextArea id="ta1" height="75" width="200"
dragEnter="doDragEnter(event)" dragDrop="doDragDrop(event)" />
</s:HGroup>
</s:Panel>
</s:Application>
Related examples in the same category
