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/**
* Draw Box class
* ---------------------
* VERSION: 1.0
* DATE: 11/14/2010
* AS3
 
**/
 
{
import flash.display.DisplayObjectContainer;
import flash.events.MouseEvent;
import flash.display.Sprite;
import flash.events.Event;
 
public class Box extends Sprite
{
private var _canvas:DisplayObjectContainer;
private var _startX:Number;
private var _startY:Number;
private var _endX:Number;
private var _endY:Number;
 
public function Box($canvas:DisplayObjectContainer, $startX:Number, $startY:Number)
{
_canvas = $canvas;
_startX = $startX;
_startY = $startY;
_endX = _canvas.mouseX;
_endY = _canvas.mouseY;
 
_canvas.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMoveHandler);
_canvas.addEventListener(MouseEvent.MOUSE_UP, onMouseUpHandler);
_canvas.addEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
}
 
private function onMouseMoveHandler(event:MouseEvent):void
{
_endX = _canvas.mouseX;
_endY = _canvas.mouseY;
}
 
private function onMouseUpHandler(event:MouseEvent):void
{
_canvas.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMoveHandler);
_canvas.removeEventListener(MouseEvent.MOUSE_UP, onMouseUpHandler);
_canvas.removeEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
}
 
private function onEnterFrameHandler(event:Event):void
{
graphics.clear();
graphics.lineStyle(2, 0x88B1CC);
graphics.moveTo(_startX, _startY);
graphics.beginFill(0x88B1CC, .25);
graphics.lineTo(_endX, _startY);
graphics.lineTo(_endX, _endY);
graphics.lineTo(_startX, _endY);
graphics.lineTo(_startX, _startY);
graphics.endFill();
}
}
}