gistfile1.hx

package prezi.engine.render;

import prezi.engine.operations.ObjectOperation;
import prezi.engine.operations.AddObject;
import prezi.engine.operations.Operation;
import prezi.engine.operations.PropertyChange;
import prezi.engine.operations.RemoveObject;
import prezi.engine.operations.execution.OperationExecutor;

import createjs.easeljs.DisplayObject;
import createjs.easeljs.Shape;
import createjs.easeljs.Stage;

import haxe.Timer;

import js.Lib;

import prezi.engine.doc.SimpleDocument;

@:expose
class RenderTest implements OperationExecutor
{
	static inline var FRAME_TIME = Std.int(1000 / 30);
	var handlers:Hash<Operation->Void>;

	var stage:Stage;
	var document:SimpleDocument;
	var renderPeers:Hash<Shape>;

	public function new(canvas:js.HTMLCanvasElement)
	{
		stage = new Stage(canvas);
		Lib.document.onkeydown = handleKeyDown;

		var handlers = new Hash<Operation->Void>();
		handlers.set(Type.getClassName(AddObject), handleAddObject);
		handlers.set(Type.getClassName(RemoveObject), handleRemoveObject);
		handlers.set(Type.getClassName(PropertyChange), handlePropertyChange);

		document = new SimpleDocument();
		document.chain(this);

		renderPeers = new Hash<Shape>();

		Timer.delay(render, FRAME_TIME);
	}

	public function execute(ops:Array<Operation>):Void
	{
		for (op in ops)
		{
			var handler = handlers.get(Type.getClassName(Type.getClass(op)));
			if (handler != null)
			{
				handler(op);
			}
		}
		render();
	}

	function handleAddObject(op:Operation)
	{
		var objectId = (cast op).getObjectId();
		var renderPeer = new Shape();
		stage.addChild(renderPeer);
		renderPeers.set(objectId, renderPeer);
		updatePeer(objectId, renderPeer);
	}

	function handleRemoveObject(op:Operation)
	{
		var objectId = (cast op).getObjectId();
		var renderPeer = renderPeers.get(objectId);
		if (renderPeer != null)
		{
			renderPeers.remove(objectId);
			stage.removeChild(renderPeer);
		}
	}

	function handlePropertyChange(op:Operation)
	{
		var objectId = (cast op).getObjectId();
		var renderPeer = renderPeers.get(objectId);
		if (renderPeer != null)
		{
			updatePeer(objectId, renderPeer);
		}
	}

	private function updatePeer(objectId:String, renderPeer:Shape)
	{
		renderPeer.graphics.clear();

	}

	private function handleKeyDown(event:Dynamic)
	{
		var shape = new Shape();
	}

	private function render()
	{
		stage.update();
	}
}