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114 lines
3.2 KiB
114 lines
3.2 KiB
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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function initPlayground(transport) {
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'use strict';
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function text(node) {
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var s = '';
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for (var i = 0; i < node.childNodes.length; i++) {
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var n = node.childNodes[i];
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if (n.nodeType === 1) {
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if (n.tagName === 'BUTTON') continue
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if (n.tagName === 'SPAN' && n.className === 'number') continue;
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if (n.tagName === 'DIV' || n.tagName == 'BR') {
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s += "\n";
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}
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s += text(n);
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continue;
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}
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if (n.nodeType === 3) {
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s += n.nodeValue;
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}
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}
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return s.replace('\xA0', ' '); // replace non-breaking spaces
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}
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// When presenter notes are enabled, the index passed
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// here will identify the playground to be synced
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function init(code, index) {
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var output = document.createElement('div');
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var outpre = document.createElement('pre');
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var running;
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if ($ && $(output).resizable) {
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$(output).resizable({
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handles: 'n,w,nw',
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minHeight: 27,
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minWidth: 135,
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maxHeight: 608,
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maxWidth: 990
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});
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}
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function onKill() {
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if (running) running.Kill();
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if (window.notesEnabled) updatePlayStorage('onKill', index);
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}
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function onRun(e) {
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var sk = e.shiftKey || localStorage.getItem('play-shiftKey') === 'true';
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if (running) running.Kill();
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output.style.display = 'block';
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outpre.innerHTML = '';
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run1.style.display = 'none';
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var options = {Race: sk};
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running = transport.Run(text(code), PlaygroundOutput(outpre), options);
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if (window.notesEnabled) updatePlayStorage('onRun', index, e);
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}
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function onClose() {
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if (running) running.Kill();
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output.style.display = 'none';
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run1.style.display = 'inline-block';
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if (window.notesEnabled) updatePlayStorage('onClose', index);
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}
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if (window.notesEnabled) {
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playgroundHandlers.onRun.push(onRun);
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playgroundHandlers.onClose.push(onClose);
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playgroundHandlers.onKill.push(onKill);
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}
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var run1 = document.createElement('button');
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run1.innerHTML = 'Run';
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run1.className = 'run';
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run1.addEventListener("click", onRun, false);
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var run2 = document.createElement('button');
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run2.className = 'run';
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run2.innerHTML = 'Run';
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run2.addEventListener("click", onRun, false);
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var kill = document.createElement('button');
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kill.className = 'kill';
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kill.innerHTML = 'Kill';
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kill.addEventListener("click", onKill, false);
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var close = document.createElement('button');
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close.className = 'close';
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close.innerHTML = 'Close';
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close.addEventListener("click", onClose, false);
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var button = document.createElement('div');
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button.classList.add('buttons');
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button.appendChild(run1);
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// Hack to simulate insertAfter
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code.parentNode.insertBefore(button, code.nextSibling);
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var buttons = document.createElement('div');
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buttons.classList.add('buttons');
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buttons.appendChild(run2);
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buttons.appendChild(kill);
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buttons.appendChild(close);
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output.classList.add('output');
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output.appendChild(buttons);
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output.appendChild(outpre);
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output.style.display = 'none';
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code.parentNode.insertBefore(output, button.nextSibling);
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}
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var play = document.querySelectorAll('div.playground');
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for (var i = 0; i < play.length; i++) {
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init(play[i], i);
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}
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}
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