Mega Code Archive
Load and unload a module by using the Button controls
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- modules/ErrorEventHandler.mxml -->
<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">
<s:layout>
<s:VerticalLayout />
</s:layout>
<fx:Script>
import mx.events.ModuleEvent;
import mx.modules.*;
import mx.controls.Alert;
private function errorHandler(e:ModuleEvent):void {
Alert.show("There was an error loading the module." + " Please contact the Help Desk.");
trace(e.errorText);
}
public function createModule():void {
if (chartModuleLoader.url == ti1.text) {
/* If they are the same, call loadModule. */
chartModuleLoader.loadModule();
} else {
/* If they are not the same, then change the url,
which triggers a call to the loadModule() method. */
chartModuleLoader.url = "assets/" + ti1.text;
}
}
public function removeModule():void {
chartModuleLoader.unloadModule();
}
</fx:Script>
<mx:Panel title="Module Example" height="90%" width="90%" paddingTop="10"
paddingLeft="10" paddingRight="10" paddingBottom="10">
<s:HGroup>
<s:Label text="URL:" />
<s:TextInput width="200" id="ti1" text="ColumnChartModule.swf" />
<s:Button label="Load" click="createModule()" />
<s:Button label="Unload" click="removeModule()" />
</s:HGroup>
<mx:ModuleLoader id="chartModuleLoader" error="errorHandler(event)" />
</mx:Panel>
</s:Application>
]]>