Flex中如何利用seriesFilters属性，添加/删除LineChart图表曲线

发布时间：2020-12-15 03:59:16 所属栏目：百科来源：网络整理

导读：Flex中如何利用seriesFilters属性，添加/删除LineChart图表曲线阴影分类： flex? flex date application function layout [xhtml] view plain copy print ? ? xml ? version = "1.0" ? ?? mx:Application ? xmlns:mx = "http://www.adobe.com/2006/mxml" ??

Flex中如何利用seriesFilters属性，添加/删除LineChart图表曲线阴影

分类： flex?

flex date application function layout

[xhtml] view plain copy print ?

<?xml?version="1.0"?>??
<mx:Application?xmlns:mx="http://www.adobe.com/2006/mxml"??
????????layout="vertical"??
????????verticalAlign="middle"??
????????backgroundColor="white"?viewSourceURL="srcview/index.html">??
??
????<mx:Script>??
????????<!--[CDATA[??
????????????private?function?init(evt:Event):void?{??
????????????????var?chart:LineChart?=?evt.currentTarget?as?LineChart;??
????????????????seriesFilterArr?=?chart.seriesFilters;??
????????????}??
??
????????????private?function?checkBox_click(evt:MouseEvent):void?{??
????????????????var?len:uint?=?lineChart.seriesFilters.length;??
????????????????if?(len?>?0)?{??
????????????????????lineChart.seriesFilters?=?[];??
????????????????}?else?{??
????????????????????lineChart.seriesFilters?=?seriesFilterArr;??
????????????????}??
????????????}??
????????]]-->??
????</mx:Script>??
??
????<mx:XMLListCollection?id="dp">??
????????<mx:source>??
????????????<mx:XMLList>??
????????????????<quote?date="8/27/2007"?open="40.38"?close="40.81"?/>??
????????????????<quote?date="8/24/2007"?open="40.5"?close="40.41"?/>??
????????????????<quote?date="8/23/2007"?open="40.82"?close="40.6"?/>??
????????????????<quote?date="8/22/2007"?open="40.4"?close="40.77"?/>??
????????????????<quote?date="8/21/2007"?open="40.41"?close="40.13"?/>??
????????????????<quote?date="8/20/2007"?open="40.55"?close="40.74"?/>??
????????????????<quote?date="8/17/2007"?open="40.18"?close="40.32"?/>??
????????????????<quote?date="8/16/2007"?open="39.83"?close="39.96"?/>??
????????????????<quote?date="8/15/2007"?open="40.22"?close="40.18"?/>??
????????????????<quote?date="8/14/2007"?open="41.01"?close="40.41"?/>??
????????????????<quote?date="8/13/2007"?open="41"?close="40.83"?/>??
????????????????<quote?date="8/10/2007"?open="41.3"?close="41.06"?/>??
????????????</mx:XMLList>??
????????</mx:source>??
????</mx:XMLListCollection>??
??
????<mx:Array?id="seriesFilterArr"?/>??
??
????<mx:ApplicationControlBar?dock="true">??
????????<mx:CheckBox?id="checkBox"??
????????????????label="toggle?series?filters:"??
????????????????labelPlacement="left"??
????????????????click="checkBox_click(event);"?/>??
????</mx:ApplicationControlBar>??
??
????<mx:LineChart?id="lineChart"??
????????????showDataTips="true"??
????????????dataProvider="{dp}"??
????????????width="100%"??
????????????height="100%"??
????????????creationComplete="init(event);">??
??
??????????
????????<mx:verticalAxis>??
????????????<mx:LinearAxis?baseAtZero="false"?title="Price"?/>??
????????</mx:verticalAxis>??
??
??????????
????????<mx:horizontalAxis>??
????????????<mx:CategoryAxis?id="ca"?categoryField="@date"?title="Date"?/>??
????????</mx:horizontalAxis>??
??
??????????
????????<mx:horizontalAxisRenderers>??
????????????<mx:AxisRenderer?axis="{ca}"?canDropLabels="true"?/>??
????????</mx:horizontalAxisRenderers>??
??
??????????
????????<mx:series>??
????????????<mx:LineSeries?yField="@close"?form="curve"?displayName="Close"?/>??
????????????<mx:LineSeries?yField="@open"?form="curve"?displayName="Open"?/>??
????????</mx:series>??
??
????</mx:LineChart>??
??
</mx:Application>??

<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

<mx:Script>
        <!--[CDATA[
            private function init(evt:Event):void {
                var chart:LineChart = evt.currentTarget as LineChart;
                seriesFilterArr = chart.seriesFilters;
            }

private function checkBox_click(evt:MouseEvent):void {
                var len:uint = lineChart.seriesFilters.length;
                if (len > 0) {
                    lineChart.seriesFilters = [];
                } else {
                    lineChart.seriesFilters = seriesFilterArr;
                }
            }
        ]]-->
    </mx:Script>

<mx:XMLListCollection id="dp">
        <mx:source>
            <mx:XMLList>
                <quote date="8/27/2007" open="40.38" close="40.81" />
                <quote date="8/24/2007" open="40.5" close="40.41" />
                <quote date="8/23/2007" open="40.82" close="40.6" />
                <quote date="8/22/2007" open="40.4" close="40.77" />
                <quote date="8/21/2007" open="40.41" close="40.13" />
                <quote date="8/20/2007" open="40.55" close="40.74" />
                <quote date="8/17/2007" open="40.18" close="40.32" />
                <quote date="8/16/2007" open="39.83" close="39.96" />
                <quote date="8/15/2007" open="40.22" close="40.18" />
                <quote date="8/14/2007" open="41.01" close="40.41" />
                <quote date="8/13/2007" open="41" close="40.83" />
                <quote date="8/10/2007" open="41.3" close="41.06" />
            </mx:XMLList>
        </mx:source>
    </mx:XMLListCollection>

<mx:Array id="seriesFilterArr" />

<mx:ApplicationControlBar dock="true">
        <mx:CheckBox id="checkBox"
                label="toggle series filters:"
                labelPlacement="left"
                click="checkBox_click(event);" />
    </mx:ApplicationControlBar>

<mx:LineChart id="lineChart"
            showDataTips="true"
            dataProvider="{dp}"
            width="100%"
            height="100%"
            creationComplete="init(event);">

<mx:verticalAxis>
            <mx:LinearAxis baseAtZero="false" title="Price" />
        </mx:verticalAxis>

<mx:horizontalAxis>
            <mx:CategoryAxis id="ca" categoryField="@date" title="Date" />
        </mx:horizontalAxis>

<mx:horizontalAxisRenderers>
            <mx:AxisRenderer axis="{ca}" canDropLabels="true" />
        </mx:horizontalAxisRenderers>

<mx:series>
            <mx:LineSeries yField="@close" form="curve" displayName="Close" />
            <mx:LineSeries yField="@open" form="curve" displayName="Open" />
        </mx:series>

</mx:LineChart>

</mx:Application>

（编辑：李大同）

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