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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
(function() {
"use strict";
var runFunc;
var count = 0;
function getId() {
return "code" + (count++);
}
function text(node) {
var s = "";
for (var i = 0; i < node.childNodes.length; i++) {
var n = node.childNodes[i];
if (n.nodeType === 1 && n.tagName === "SPAN" && n.className != "number") {
var innerText = n.innerText === undefined ? "textContent" : "innerText";
s += n[innerText] + "\n";
continue;
}
if (n.nodeType === 1 && n.tagName !== "BUTTON") {
s += text(n);
}
}
return s;
}
function init(code) {
var id = getId();
var output = document.createElement('div');
var outpre = document.createElement('pre');
var stopFunc;
function onKill() {
if (stopFunc) {
stopFunc();
}
}
function onRun(e) {
onKill();
outpre.innerHTML = "";
output.style.display = "block";
run.style.display = "none";
var options = {Race: e.shiftKey};
stopFunc = runFunc(text(code), outpre, options);
}
function onClose() {
onKill();
output.style.display = "none";
run.style.display = "inline-block";
}
var run = document.createElement('button');
run.innerHTML = 'Run';
run.className = 'run';
run.addEventListener("click", onRun, false);
var run2 = document.createElement('button');
run2.className = 'run';
run2.innerHTML = 'Run';
run2.addEventListener("click", onRun, false);
var kill = document.createElement('button');
kill.className = 'kill';
kill.innerHTML = 'Kill';
kill.addEventListener("click", onKill, false);
var close = document.createElement('button');
close.className = 'close';
close.innerHTML = 'Close';
close.addEventListener("click", onClose, false);
var button = document.createElement('div');
button.classList.add('buttons');
button.appendChild(run);
// Hack to simulate insertAfter
code.parentNode.insertBefore(button, code.nextSibling);
var buttons = document.createElement('div');
buttons.classList.add('buttons');
buttons.appendChild(run2);
buttons.appendChild(kill);
buttons.appendChild(close);
output.classList.add('output');
output.appendChild(buttons);
output.appendChild(outpre);
output.style.display = "none";
code.parentNode.insertBefore(output, button.nextSibling);
}
var play = document.querySelectorAll('div.playground');
for (var i = 0; i < play.length; i++) {
init(play[i]);
}
if (play.length > 0) {
if (window.connectPlayground) {
runFunc = window.connectPlayground("ws://" + window.location.host + "/socket");
} else {
// If this message is logged,
// we have neglected to include socket.js or playground.js.
console.log("No playground transport available.");
}
}
})();
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