package utils
{
	import flash.display.Bitmap;
	import flash.display.DisplayObject;
	import flash.display.Loader;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.geom.Rectangle;
	import flash.net.URLRequest;
	import flash.printing.*;

	import com.greensock.layout.*


	/**
	 * @usage var page:A4Page = new A4Page(new Content());
	 *        page.print();
	 * @author Dave Stewart
	 */
	public class A4Page extends Sprite
	{
		// ---------------------------------------------------------------------------------------------------------------------
		// { region: Variables

			// stage instances
				var page			:Sprite;
				var area			:AutoFitArea;

			// properties
				var loader			:Loader;


			// variables


		// ---------------------------------------------------------------------------------------------------------------------
		// { region: Instatiation

			public function A4Page(content:DisplayObject = null)
			{
				// elements
					page		= new Sprite();
					addChild(page);

					area		= new AutoFitArea(page, 10, 10, 822, 575);

				// content
					if (content)
					{
						this.content = content;
					}
			}

		// ---------------------------------------------------------------------------------------------------------------------
		// { region: Public methods

			/**
			 * Prints the content
			 */
			public function print():void
			{
				var printJob	:PrintJob		= new PrintJob();
				var state		:Boolean		= printJob.start();

				if(state)
				{
					trace
					(
						[
							printJob.paperWidth,
							printJob.paperHeight,
							printJob.pageWidth,
							printJob.pageHeight,
							printJob.orientation
						]
					);

					if (printJob.orientation == PrintJobOrientation.PORTRAIT)
					{
						page.rotation = -90;
					}

					printJob.addPage(page);
					printJob.send();

				}

			}

		// ---------------------------------------------------------------------------------------------------------------------
		// { region: Accessors

			/**
			 * Sets content and scales it to A4 page size
			 */
			public function set content(content:DisplayObject):void
			{
				page.addChild(content);
				area.attach(content, ScaleMode.PROPORTIONAL_INSIDE, AlignMode.CENTER, AlignMode.CENTER, true);
			}

			public function set url(url:String)
			{
				// loader
					loader			= new Loader();
					loader.load(new URLRequest(url));
					loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoadComplete);
					addChild(loader);

			}

		// ---------------------------------------------------------------------------------------------------------------------
		// { region: Handlers

			protected function onLoadComplete(event:Event):void
			{
				// set bitmap and smoothing
					var bitmap	:Bitmap	= loader.content as Bitmap
					bitmap.smoothing	= true;

				// dispatch complete event
					this.content = loader;

				// print
					print();
			}



		// ---------------------------------------------------------------------------------------------------------------------
		// { region: Protected methods



		// ---------------------------------------------------------------------------------------------------------------------
		// { region: Utilities



	}

}