// Derived from code in the Brython project:

//

// Copyright (c) 2012, Pierre Quentel pierre.quentel@gmail.com

// All rights reserved.

;var ___MINIMAL_TEST___ = { };

document.addEventListener('DOMContentLoaded', function($myInstance){

(function($myInstance) {

function ajaxRequest(url) {

var data;

if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari

var xmlhttp=new XMLHttpRequest();

}

else { // code for IE6, IE5

var xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");

}

xmlhttp.onreadystatechange = function() {

var state = this.readyState

if(state===4) {

data = xmlhttp.responseText

}

}

xmlhttp.open('GET', url, false)

xmlhttp.send()

if (xmlhttp.status != 200) {

var msg = "can't open file '" + url

msg += "': No such file or directory"

console.log(msg)

return

}

return data;

}

function builtinRead(x) {

if (Sk.builtinFiles === undefined || Sk.builtinFiles["files"][x] === undefined)

throw "File not found: '" + x + "'";

return Sk.builtinFiles["files"][x];

}

function executePython(code, outputElement, canvasElement) {

function outputFunction(text) { outputElement.innerHTML += text; }

Sk.configure({output:outputFunction, read:builtinRead});

(Sk.TurtleGraphics || (Sk.TurtleGraphics = {})).target = canvasElement.id;

pyPencilCode = ajaxRequest("/lib/PyPencilCode.py");

payload = pyPencilCode + code;

var myPromise = Sk.misceval.asyncToPromise(function() {

return Sk.importMainWithBody("<stdin>", false, payload, true);

});

myPromise.then(function(mod) {}, function(err) { console.log(err.toString()); });

}

var myPre = document.createElement("PRE");

var myCanvas = document.createElement("DIV");

var myCanvasId = "minimal_canvas_div";

document.body.appendChild(myPre);

document.body.appendChild(myCanvas);

myCanvas.setAttribute("id", myCanvasId);

var elements=document.getElementsByTagName('script');

// Go through script tags and act on ones containing Python.

for (var index = 0; index < elements.length; index++) {

var element = elements[index]

// If this tag links to a source file, load it; otherwise load the content.

// TODO: What MIME type is correct? python/python3 are from Brython; x-python is in current PC source.

if(element.type == "text/python" || element.type == "text/python3" || element.type == "text/x-python") {

if (element.src) {

code = ajaxRequest(element.src);

}

else {

code = element.innerHTML;

}

executePython(code, myPre, myCanvas);

}

}

})(___MINIMAL_TEST___);

});

// Brython code for deriving path of source file (potentially useful)

// $B.$py_module_path[module_name]=$elt.src

// var $src_elts = $elt.src.split('/')

// $src_elts.pop()

// var $src_path = $src_elts.join('/')

// if ($B.path.indexOf($src_path) == -1) {

// // insert in first position : folder /Lib with built-in modules

// // should be the last used when importing scripts

// $B.path.splice(0,0,$src_path)

// }