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  • [Flex] ButtonBar系列——控制ButtonBar菜单是否可用

    <?xml version="1.0" encoding="utf-8"?>
    <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
                   xmlns:s="library://ns.adobe.com/flex/spark" 
                   xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">
        <s:layout>
            <s:VerticalLayout gap="3" />
        </s:layout>
        <fx:Script>
            <![CDATA[
                import mx.collections.ArrayList;
                
                /* import spark.components.ButtonBarButton;  */
                import mx.controls.buttonBarClasses.ButtonBarButton; 
                private function toggleButton(idx:uint, selected:Boolean):void {
                    var b3:ButtonBarButton = buttonBar.getChildAt(idx) as ButtonBarButton;
                    b3.enabled = selected;
                }
    
            ]]>
        </fx:Script>
        
        <fx:Declarations>
            <!-- 将非可视元素(例如服务、值对象)放在此处 -->
            <fx:Array id="arr">
                <fx:Object label="Button"/>
                <fx:Object label="ButtonBar"/>
                <fx:Object label="ColorPicker"/>
                <fx:Object label="ComboBox"/>
            </fx:Array>
        </fx:Declarations>
        <fx:Style>
            @namespace s "library://ns.adobe.com/flex/spark";
            @namespace mx "library://ns.adobe.com/flex/mx";
            mx|ButtonBar{
                buttonStyleName:myCustomButtonStyleName;
            }
            .myCustomButtonStyleName{
                cornerRadius:10;
            }
        </fx:Style>
        <s:controlBarContent>
            <s:Form styleName="plain">
                <s:FormItem label="Button enabled:"  height="20">
                    <s:CheckBox id="che1" selected="true" click="toggleButton(0,che1.selected)"/>
                </s:FormItem>
                <s:FormItem label="ButtonBar enabled:"  height="20">
                    <s:CheckBox id="che2" selected="true" click="toggleButton(1,che2.selected)"/>
                </s:FormItem>
                <s:FormItem label="ColorPicker enabled:" height="20">
                    <s:CheckBox id="che3" selected="true" click="toggleButton(2,che3.selected)"/>
                </s:FormItem>
                <s:FormItem label="ComboBox enabled:" height="20">
                    <s:CheckBox id="che4" selected="true" click="toggleButton(3,che4.selected)"/>
                </s:FormItem>
            </s:Form>
            
        </s:controlBarContent>
        <mx:ButtonBar id="buttonBar" dataProvider="{arr}" itemClick="lbl.text = event.label" />
        <s:Label id="lbl"/>
    </s:Application>
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  • 原文地址:https://www.cnblogs.com/frost-yen/p/4881799.html
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