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package CustomClasses{
import flash.events.*;import mx.containers.VBox;
import mx.controls.Button;import mx.controls.RadioButton;
import mx.controls.TextArea;import mx.events.FlexEvent;public class QuizA extends VBox{
private var theQuestion:TextArea;private var choice00:RadioButton;
private var choice01:RadioButton;private var choice02:RadioButton;
private var checkButton:Button;private var result:TextArea;private var theAnswer:String;//numeric string
private var correctAnswer:String;//actual stringprivate var vboxWidth:int = 375;
//==================================================//public function set question(textIn:String):void{theQuestion.text = textIn;
}//end implicit setterpublic function set answer(answerIn:String):void{theAnswer = answerIn;
}//end implicit setterpublic function set choice0(choice:String):void{choice00.label=choice;
}//end implicit setterpublic function set choice1(choice:String):void{choice01.label=choice;
}//end implicit setterpublic function set choice2(choice:String):void{choice02.label=choice;
}//end implicit setter//==================================================//public function QuizA(){//constructor
width=vboxWidth;setStyle("borderStyle","solid");
setStyle("backgroundColor",0xffff00);theQuestion = new TextArea();theQuestion.editable = false;
theQuestion.width=vboxWidth - 2;addChild(theQuestion);
choice00 = new RadioButton();choice00.groupName="radioButtonGroup";
addChild(choice00);choice01 = new RadioButton();choice01.groupName="radioButtonGroup";
addChild(choice01);choice02 = new RadioButton();choice02.groupName="radioButtonGroup";
addChild(choice02);checkButton = new Button();checkButton.label = "Click to Check Answer";
checkButton.addEventListener(MouseEvent.CLICK,checkButtonHandler);
addChild(checkButton);result = new TextArea();result.editable = false;
result.width=vboxWidth - 2;result.visible=false;addChild(result);//Register an event listener that will be
// executed when this object has been fully// constructed. It will set the height of
// the VBox based on the sum of the heights// of the components.
this.addEventListener(mx.events.FlexEvent.CREATION_COMPLETE,
vboxCompleteHandler);}//end constructor
//==================================================//private function checkButtonHandler(event:MouseEvent):void{
result.visible=true;if(theAnswer == "0"){correctAnswer = choice00.label;
}else if(theAnswer == "1"){correctAnswer = choice01.label;
}else{correctAnswer = choice02.label;
}//end elseif((theAnswer=="0"&&choice00.selected) ||
(theAnswer=="1"&&choice01.selected) ||
(theAnswer=="2"&&choice02.selected)){result.setStyle("color",0x00ff00);
result.text = "Correct\nCorrect Answer is: "+ correctAnswer;
}else{result.setStyle("color",0xff0000);
result.text = "Wrong\nCorrect Answer is: "+ correctAnswer;
}//end else}//end checkButtonHandler
//==================================================//private function vboxCompleteHandler(event:mx.events.FlexEvent):void{
//Set the height equal to the sum of the// heights of the components plus six
// pixels per component to account for the// space between components.
this.height =theQuestion.height
+ choice00.height+ choice01.height
+ choice02.height+ checkButton.height
+ result.height+ 36;//six spaces per compnent
}//end vboxCompleteHandler//==================================================//
}//end class}//end package
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