Forked from:: Kazutaka's FileReferenceViewLocalImg

forked from: FileReferenceViewLocalImg

Main
メインクラス.

forked:1
favorite:0
lines:83
license : All rights reserved
modified : 2009-07-08 23:00:02

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package {
	import flash.display.Sprite;
	import flash.display.Shape;
	import flash.display.Loader;
	import flash.display.Bitmap;
	import flash.text.TextField;
	import flash.net.FileReference;
	import flash.net.URLLoader;
	import flash.events.Event;
	import flash.events.MouseEvent;
	/**
	 * Main
	 * メインクラス.
	 */
	public class Main extends Sprite {
		private var btnSprite:Sprite;
		private var imgSprite:Sprite;
		private var localFile:FileReference;
		private const imgMax:Number = 480;
		/**
		 * コンストラクタ.
		 */
		function Main() {
			init();
		}
		/**
		 * 初期設定.
		 */
		private function init():void {
			//ボタン背景
			var btnShape:Shape = new Shape();
			btnShape.graphics.beginFill(0xffffff);
			btnShape.graphics.lineStyle(2);
			btnShape.graphics.drawRect(0, 0, 50, 20);
			btnShape.graphics.endFill();
			btnShape.x = btnShape.y = 5;
			//ボタンテキスト
			var btnText:TextField = new TextField();
			btnText.appendText("LOAD");
			btnText.x = 10;
			btnText.y =5;
			btnText.selectable = false;
			btnText.mouseEnabled = false;
			//ボタン
			btnSprite = new Sprite();
			btnSprite.addChild(btnShape);
			btnSprite.addChild(btnText);
			addChild(btnSprite);
			btnSprite.addEventListener(MouseEvent.CLICK, fileBrowse);
			btnSprite.addEventListener(MouseEvent.ROLL_OVER,btnOverFunc);
			btnSprite.addEventListener(MouseEvent.ROLL_OUT,btnOutFunc);
			btnSprite.buttonMode = true;
			//読み込み画像格納用
			imgSprite = new Sprite();
			//ローカルファイルアクセス
			localFile = new FileReference();
			localFile.addEventListener(Event.SELECT ,fileSelect);
			localFile.addEventListener(Event.COMPLETE,loadComplete);
		}
		/**
		 * ボタンマウスオーバー.
		 */
		private function btnOverFunc(evt:Event):void {
			evt.currentTarget.alpha = 0.5;
		}
		/**
		 * ボタンマウスアウト.
		 */
		private function btnOutFunc(evt:Event):void {
			evt.currentTarget.alpha = 1;
		}
		/**
		 * ローカルファイルをブラウズ.
		 */
		private function fileBrowse(evt:Event):void {
			localFile.browse();
		}
		/**
		 * ファイル選択.
		 */
		private function fileSelect( evt:Event ):void {
			localFile.load();
		}
		/**
		 * 読み込み完了.
		 */
		private function loadComplete(evt:Event):void {
			var imgLoader:Loader = new Loader();
			imgLoader.loadBytes(localFile.data);
			imgLoader.contentLoaderInfo.addEventListener(Event.INIT, initLoaded);
		}
		/**
		 * 読み込み.
		 */
		private function initLoaded(evt:Event):void {
			var bmp:Bitmap = Bitmap(evt.target.content);
			if (evt.target.content) {
				var bmp:Bitmap = Bitmap(evt.target.content);
				bmp.y = 50;
				if ((bmp.width >imgMax)||(bmp.height >imgMax)) {
					if (bmp.width > bmp.height) {
						var wRatio:Number = imgMax / bmp.width;
						bmp.width = imgMax;
						bmp.height *= wRatio;
					} else {
						var hRatio:Number = imgMax / bmp.height;
						bmp.height = imgMax;
						bmp.height *= hRatio;
					}
				}
				imgSprite.addChild(bmp);
				addChild(imgSprite);
			}
		}
	}
}

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