зеркало из https://github.com/golang/tools.git
go.tools/cmd/godoc: add godocs.js and playground.js from core repo
The originals will be removed. R=golang-dev, r CC=golang-dev https://golang.org/cl/12219043
This commit is contained in:
Andrew Gerrand
Родитель
a705311956
Коммит
0afeff2d4b
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@ -85,9 +85,9 @@ and code is licensed under a <a href="/LICENSE">BSD license</a>.<br>
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<script type="text/javascript" src="/doc/jquery.js"></script>
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{{if .Playground}}
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<script type="text/javascript" src="/doc/play/playground.js"></script>
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<script type="text/javascript" src="/lib/godoc/playground.js"></script>
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{{end}}
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<script type="text/javascript" src="/doc/godocs.js"></script>
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<script type="text/javascript" src="/lib/godoc/godocs.js"></script>
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</body>
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</html>
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@ -0,0 +1,266 @@
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// 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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/* A little code to ease navigation of these documents.
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*
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* On window load we:
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* + Bind search box hint placeholder show/hide events (bindSearchEvents)
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* + Generate a table of contents (generateTOC)
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* + Bind foldable sections (bindToggles)
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* + Bind links to foldable sections (bindToggleLinks)
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*/
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(function() {
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'use strict';
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function bindSearchEvents() {
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var search = $('#search');
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if (search.length === 0) {
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return; // no search box
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}
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function clearInactive() {
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if (search.is('.inactive')) {
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search.val('');
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search.removeClass('inactive');
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}
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}
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function restoreInactive() {
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if (search.val() !== '') {
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return;
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}
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search.val(search.attr('placeholder'));
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search.addClass('inactive');
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}
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search.on('focus', clearInactive);
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search.on('blur', restoreInactive);
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restoreInactive();
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}
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/* Generates a table of contents: looks for h2 and h3 elements and generates
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* links. "Decorates" the element with id=="nav" with this table of contents.
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*/
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function generateTOC() {
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if ($('#manual-nav').length > 0) {
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return;
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}
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var nav = $('#nav');
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if (nav.length === 0) {
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return;
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}
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var toc_items = [];
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$(nav).nextAll('h2, h3').each(function() {
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var node = this;
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if (node.id == '')
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node.id = 'tmp_' + toc_items.length;
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var link = $('<a/>').attr('href', '#' + node.id).text($(node).text());
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var item;
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if ($(node).is('h2')) {
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item = $('<dt/>');
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} else { // h3
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item = $('<dd/>');
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}
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item.append(link);
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toc_items.push(item);
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});
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if (toc_items.length <= 1) {
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return;
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}
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var dl1 = $('<dl/>');
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var dl2 = $('<dl/>');
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var split_index = (toc_items.length / 2) + 1;
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if (split_index < 8) {
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split_index = toc_items.length;
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}
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for (var i = 0; i < split_index; i++) {
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dl1.append(toc_items[i]);
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}
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for (/* keep using i */; i < toc_items.length; i++) {
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dl2.append(toc_items[i]);
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}
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var tocTable = $('<table class="unruled"/>').appendTo(nav);
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var tocBody = $('<tbody/>').appendTo(tocTable);
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var tocRow = $('<tr/>').appendTo(tocBody);
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// 1st column
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$('<td class="first"/>').appendTo(tocRow).append(dl1);
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// 2nd column
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$('<td/>').appendTo(tocRow).append(dl2);
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}
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function bindToggle(el) {
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$('.toggleButton', el).click(function() {
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if ($(el).is('.toggle')) {
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$(el).addClass('toggleVisible').removeClass('toggle');
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} else {
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$(el).addClass('toggle').removeClass('toggleVisible');
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}
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});
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}
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function bindToggles(selector) {
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$(selector).each(function(i, el) {
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bindToggle(el);
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});
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}
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function bindToggleLink(el, prefix) {
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$(el).click(function() {
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var href = $(el).attr('href');
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var i = href.indexOf('#'+prefix);
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if (i < 0) {
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return;
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}
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var id = '#' + prefix + href.slice(i+1+prefix.length);
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if ($(id).is('.toggle')) {
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$(id).find('.toggleButton').first().click();
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}
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});
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}
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function bindToggleLinks(selector, prefix) {
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$(selector).each(function(i, el) {
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bindToggleLink(el, prefix);
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});
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}
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function setupDropdownPlayground() {
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if (!$('#page').is('.wide')) {
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return; // don't show on front page
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}
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var button = $('#playgroundButton');
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var div = $('#playground');
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var setup = false;
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button.toggle(function() {
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button.addClass('active');
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div.show();
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if (setup) {
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return;
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}
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setup = true;
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playground({
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'codeEl': $('.code', div),
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'outputEl': $('.output', div),
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'runEl': $('.run', div),
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'fmtEl': $('.fmt', div),
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'shareEl': $('.share', div),
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'shareRedirect': 'http://play.golang.org/p/'
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});
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},
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function() {
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button.removeClass('active');
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div.hide();
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});
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button.show();
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$('#menu').css('min-width', '+=60');
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}
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function setupInlinePlayground() {
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'use strict';
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// Set up playground when each element is toggled.
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$('div.play').each(function (i, el) {
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// Set up playground for this example.
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var setup = function() {
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var code = $('.code', el);
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playground({
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'codeEl': code,
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'outputEl': $('.output', el),
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'runEl': $('.run', el),
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'fmtEl': $('.fmt', el),
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'shareEl': $('.share', el),
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'shareRedirect': 'http://play.golang.org/p/'
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});
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// Make the code textarea resize to fit content.
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var resize = function() {
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code.height(0);
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var h = code[0].scrollHeight;
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code.height(h+20); // minimize bouncing.
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code.closest('.input').height(h);
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};
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code.on('keydown', resize);
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code.on('keyup', resize);
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code.keyup(); // resize now.
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};
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// If example already visible, set up playground now.
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if ($(el).is(':visible')) {
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setup();
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return;
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}
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// Otherwise, set up playground when example is expanded.
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var built = false;
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$(el).closest('.toggle').click(function() {
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// Only set up once.
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if (!built) {
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setup();
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built = true;
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}
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});
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});
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}
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// fixFocus tries to put focus to div#page so that keyboard navigation works.
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function fixFocus() {
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var page = $('div#page');
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var topbar = $('div#topbar');
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page.css('outline', 0); // disable outline when focused
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page.attr('tabindex', -1); // and set tabindex so that it is focusable
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$(window).resize(function (evt) {
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// only focus page when the topbar is at fixed position (that is, it's in
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// front of page, and keyboard event will go to the former by default.)
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// by focusing page, keyboard event will go to page so that up/down arrow,
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// space, etc. will work as expected.
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if (topbar.css('position') == "fixed")
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page.focus();
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}).resize();
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}
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function toggleHash() {
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var hash = $(window.location.hash);
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if (hash.is('.toggle')) {
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hash.find('.toggleButton').first().click();
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}
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}
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function addPlusButtons() {
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var po = document.createElement('script');
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po.type = 'text/javascript';
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po.async = true;
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po.src = 'https://apis.google.com/js/plusone.js';
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var s = document.getElementsByTagName('script')[0];
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s.parentNode.insertBefore(po, s);
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}
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$(document).ready(function() {
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bindSearchEvents();
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generateTOC();
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bindToggles(".toggle");
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bindToggles(".toggleVisible");
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bindToggleLinks(".exampleLink", "example_");
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bindToggleLinks(".overviewLink", "");
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bindToggleLinks(".examplesLink", "");
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bindToggleLinks(".indexLink", "");
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setupDropdownPlayground();
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setupInlinePlayground();
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fixFocus();
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toggleHash();
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addPlusButtons();
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// godoc.html defines window.initFuncs in the <head> tag, and root.html and
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// codewalk.js push their on-page-ready functions to the list.
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// We execute those functions here, to avoid loading jQuery until the page
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// content is loaded.
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for (var i = 0; i < window.initFuncs.length; i++) window.initFuncs[i]();
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});
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})();
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@ -0,0 +1,428 @@
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// 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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// This is a copy of present/js/playground.js from the repository at
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// https://code.google.com/p/go.talks
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// Please make changes to that repository.
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/*
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In the absence of any formal way to specify interfaces in JavaScript,
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here's a skeleton implementation of a playground transport.
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function Transport() {
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// Set up any transport state (eg, make a websocket connnection).
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return {
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Run: function(body, output, options) {
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// Compile and run the program 'body' with 'options'.
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// Call the 'output' callback to display program output.
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return {
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Kill: function() {
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// Kill the running program.
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}
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};
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}
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};
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}
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// The output callback is called multiple times, and each time it is
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// passed an object of this form.
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var write = {
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Kind: 'string', // 'start', 'stdout', 'stderr', 'end'
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Body: 'string' // content of write or end status message
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}
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// The first call must be of Kind 'start' with no body.
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// Subsequent calls may be of Kind 'stdout' or 'stderr'
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// and must have a non-null Body string.
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// The final call should be of Kind 'end' with an optional
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// Body string, signifying a failure ("killed", for example).
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// The output callback must be of this form.
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// See PlaygroundOutput (below) for an implementation.
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function outputCallback(write) {
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}
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*/
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function HTTPTransport() {
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'use strict';
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// TODO(adg): support stderr
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function playback(output, events) {
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var timeout;
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output({Kind: 'start'});
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function next() {
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if (events.length === 0) {
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output({Kind: 'end'});
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return;
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}
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var e = events.shift();
|
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if (e.Delay === 0) {
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output({Kind: 'stdout', Body: e.Message});
|
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next();
|
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return;
|
||||
}
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timeout = setTimeout(function() {
|
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output({Kind: 'stdout', Body: e.Message});
|
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next();
|
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}, e.Delay / 1000000);
|
||||
}
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next();
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return {
|
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Stop: function() {
|
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clearTimeout(timeout);
|
||||
}
|
||||
}
|
||||
}
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|
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function error(output, msg) {
|
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output({Kind: 'start'});
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output({Kind: 'stderr', Body: msg});
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output({Kind: 'end'});
|
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}
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var seq = 0;
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||||
return {
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Run: function(body, output, options) {
|
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seq++;
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var cur = seq;
|
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var playing;
|
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$.ajax('/compile', {
|
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type: 'POST',
|
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data: {'version': 2, 'body': body},
|
||||
dataType: 'json',
|
||||
success: function(data) {
|
||||
if (seq != cur) return;
|
||||
if (!data) return;
|
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if (playing != null) playing.Stop();
|
||||
if (data.Errors) {
|
||||
error(output, data.Errors);
|
||||
return;
|
||||
}
|
||||
playing = playback(output, data.Events);
|
||||
},
|
||||
error: function() {
|
||||
error(output, 'Error communicating with remote server.');
|
||||
}
|
||||
});
|
||||
return {
|
||||
Kill: function() {
|
||||
if (playing != null) playing.Stop();
|
||||
output({Kind: 'end', Body: 'killed'});
|
||||
}
|
||||
};
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function SocketTransport() {
|
||||
'use strict';
|
||||
|
||||
var id = 0;
|
||||
var outputs = {};
|
||||
var started = {};
|
||||
var websocket = new WebSocket('ws://' + window.location.host + '/socket');
|
||||
|
||||
websocket.onclose = function() {
|
||||
console.log('websocket connection closed');
|
||||
}
|
||||
|
||||
websocket.onmessage = function(e) {
|
||||
var m = JSON.parse(e.data);
|
||||
var output = outputs[m.Id];
|
||||
if (output === null)
|
||||
return;
|
||||
if (!started[m.Id]) {
|
||||
output({Kind: 'start'});
|
||||
started[m.Id] = true;
|
||||
}
|
||||
output({Kind: m.Kind, Body: m.Body});
|
||||
}
|
||||
|
||||
function send(m) {
|
||||
websocket.send(JSON.stringify(m));
|
||||
}
|
||||
|
||||
return {
|
||||
Run: function(body, output, options) {
|
||||
var thisID = id+'';
|
||||
id++;
|
||||
outputs[thisID] = output;
|
||||
send({Id: thisID, Kind: 'run', Body: body, Options: options});
|
||||
return {
|
||||
Kill: function() {
|
||||
send({Id: thisID, Kind: 'kill'});
|
||||
}
|
||||
};
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function PlaygroundOutput(el) {
|
||||
'use strict';
|
||||
|
||||
return function(write) {
|
||||
if (write.Kind == 'start') {
|
||||
el.innerHTML = '';
|
||||
return;
|
||||
}
|
||||
|
||||
var cl = 'system';
|
||||
if (write.Kind == 'stdout' || write.Kind == 'stderr')
|
||||
cl = write.Kind;
|
||||
|
||||
var m = write.Body;
|
||||
if (write.Kind == 'end')
|
||||
m = '\nProgram exited' + (m?(': '+m):'.');
|
||||
|
||||
if (m.indexOf('IMAGE:') === 0) {
|
||||
// TODO(adg): buffer all writes before creating image
|
||||
var url = 'data:image/png;base64,' + m.substr(6);
|
||||
var img = document.createElement('img');
|
||||
img.src = url;
|
||||
el.appendChild(img);
|
||||
return;
|
||||
}
|
||||
|
||||
// ^L clears the screen.
|
||||
var s = m.split('\x0c');
|
||||
if (s.length > 1) {
|
||||
el.innerHTML = '';
|
||||
m = s.pop();
|
||||
}
|
||||
|
||||
m = m.replace(/&/g, '&');
|
||||
m = m.replace(/</g, '<');
|
||||
m = m.replace(/>/g, '>');
|
||||
|
||||
var needScroll = (el.scrollTop + el.offsetHeight) == el.scrollHeight;
|
||||
|
||||
var span = document.createElement('span');
|
||||
span.className = cl;
|
||||
span.innerHTML = m;
|
||||
el.appendChild(span);
|
||||
|
||||
if (needScroll)
|
||||
el.scrollTop = el.scrollHeight - el.offsetHeight;
|
||||
}
|
||||
}
|
||||
|
||||
(function() {
|
||||
function lineHighlight(error) {
|
||||
var regex = /prog.go:([0-9]+)/g;
|
||||
var r = regex.exec(error);
|
||||
while (r) {
|
||||
$(".lines div").eq(r[1]-1).addClass("lineerror");
|
||||
r = regex.exec(error);
|
||||
}
|
||||
}
|
||||
function highlightOutput(wrappedOutput) {
|
||||
return function(write) {
|
||||
if (write.Body) lineHighlight(write.Body);
|
||||
wrappedOutput(write);
|
||||
}
|
||||
}
|
||||
function lineClear() {
|
||||
$(".lineerror").removeClass("lineerror");
|
||||
}
|
||||
|
||||
// opts is an object with these keys
|
||||
// codeEl - code editor element
|
||||
// outputEl - program output element
|
||||
// runEl - run button element
|
||||
// fmtEl - fmt button element (optional)
|
||||
// shareEl - share button element (optional)
|
||||
// shareURLEl - share URL text input element (optional)
|
||||
// shareRedirect - base URL to redirect to on share (optional)
|
||||
// toysEl - toys select element (optional)
|
||||
// enableHistory - enable using HTML5 history API (optional)
|
||||
// transport - playground transport to use (default is HTTPTransport)
|
||||
function playground(opts) {
|
||||
var code = $(opts.codeEl);
|
||||
var transport = opts['transport'] || new HTTPTransport();
|
||||
var running;
|
||||
|
||||
// autoindent helpers.
|
||||
function insertTabs(n) {
|
||||
// find the selection start and end
|
||||
var start = code[0].selectionStart;
|
||||
var end = code[0].selectionEnd;
|
||||
// split the textarea content into two, and insert n tabs
|
||||
var v = code[0].value;
|
||||
var u = v.substr(0, start);
|
||||
for (var i=0; i<n; i++) {
|
||||
u += "\t";
|
||||
}
|
||||
u += v.substr(end);
|
||||
// set revised content
|
||||
code[0].value = u;
|
||||
// reset caret position after inserted tabs
|
||||
code[0].selectionStart = start+n;
|
||||
code[0].selectionEnd = start+n;
|
||||
}
|
||||
function autoindent(el) {
|
||||
var curpos = el.selectionStart;
|
||||
var tabs = 0;
|
||||
while (curpos > 0) {
|
||||
curpos--;
|
||||
if (el.value[curpos] == "\t") {
|
||||
tabs++;
|
||||
} else if (tabs > 0 || el.value[curpos] == "\n") {
|
||||
break;
|
||||
}
|
||||
}
|
||||
setTimeout(function() {
|
||||
insertTabs(tabs);
|
||||
}, 1);
|
||||
}
|
||||
|
||||
function keyHandler(e) {
|
||||
if (e.keyCode == 9) { // tab
|
||||
insertTabs(1);
|
||||
e.preventDefault();
|
||||
return false;
|
||||
}
|
||||
if (e.keyCode == 13) { // enter
|
||||
if (e.shiftKey) { // +shift
|
||||
run();
|
||||
e.preventDefault();
|
||||
return false;
|
||||
} else {
|
||||
autoindent(e.target);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
code.unbind('keydown').bind('keydown', keyHandler);
|
||||
var outdiv = $(opts.outputEl).empty();
|
||||
var output = $('<pre/>').appendTo(outdiv);
|
||||
|
||||
function body() {
|
||||
return $(opts.codeEl).val();
|
||||
}
|
||||
function setBody(text) {
|
||||
$(opts.codeEl).val(text);
|
||||
}
|
||||
function origin(href) {
|
||||
return (""+href).split("/").slice(0, 3).join("/");
|
||||
}
|
||||
|
||||
var pushedEmpty = (window.location.pathname == "/");
|
||||
function inputChanged() {
|
||||
if (pushedEmpty) {
|
||||
return;
|
||||
}
|
||||
pushedEmpty = true;
|
||||
$(opts.shareURLEl).hide();
|
||||
window.history.pushState(null, "", "/");
|
||||
}
|
||||
function popState(e) {
|
||||
if (e === null) {
|
||||
return;
|
||||
}
|
||||
if (e && e.state && e.state.code) {
|
||||
setBody(e.state.code);
|
||||
}
|
||||
}
|
||||
var rewriteHistory = false;
|
||||
if (window.history && window.history.pushState && window.addEventListener && opts.enableHistory) {
|
||||
rewriteHistory = true;
|
||||
code[0].addEventListener('input', inputChanged);
|
||||
window.addEventListener('popstate', popState);
|
||||
}
|
||||
|
||||
function setError(error) {
|
||||
if (running) running.Kill();
|
||||
lineClear();
|
||||
lineHighlight(error);
|
||||
output.empty().addClass("error").text(error);
|
||||
}
|
||||
function loading() {
|
||||
lineClear();
|
||||
if (running) running.Kill();
|
||||
output.removeClass("error").text('Waiting for remote server...');
|
||||
}
|
||||
function run() {
|
||||
loading();
|
||||
running = transport.Run(body(), highlightOutput(PlaygroundOutput(output[0])));
|
||||
}
|
||||
function fmt() {
|
||||
loading();
|
||||
$.ajax("/fmt", {
|
||||
data: {"body": body()},
|
||||
type: "POST",
|
||||
dataType: "json",
|
||||
success: function(data) {
|
||||
if (data.Error) {
|
||||
setError(data.Error);
|
||||
} else {
|
||||
setBody(data.Body);
|
||||
setError("");
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
$(opts.runEl).click(run);
|
||||
$(opts.fmtEl).click(fmt);
|
||||
|
||||
if (opts.shareEl !== null && (opts.shareURLEl !== null || opts.shareRedirect !== null)) {
|
||||
var shareURL;
|
||||
if (opts.shareURLEl) {
|
||||
shareURL = $(opts.shareURLEl).hide();
|
||||
}
|
||||
var sharing = false;
|
||||
$(opts.shareEl).click(function() {
|
||||
if (sharing) return;
|
||||
sharing = true;
|
||||
var sharingData = body();
|
||||
$.ajax("/share", {
|
||||
processData: false,
|
||||
data: sharingData,
|
||||
type: "POST",
|
||||
complete: function(xhr) {
|
||||
sharing = false;
|
||||
if (xhr.status != 200) {
|
||||
alert("Server error; try again.");
|
||||
return;
|
||||
}
|
||||
if (opts.shareRedirect) {
|
||||
window.location = opts.shareRedirect + xhr.responseText;
|
||||
}
|
||||
if (shareURL) {
|
||||
var path = "/p/" + xhr.responseText;
|
||||
var url = origin(window.location) + path;
|
||||
shareURL.show().val(url).focus().select();
|
||||
|
||||
if (rewriteHistory) {
|
||||
var historyData = {"code": sharingData};
|
||||
window.history.pushState(historyData, "", path);
|
||||
pushedEmpty = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
if (opts.toysEl !== null) {
|
||||
$(opts.toysEl).bind('change', function() {
|
||||
var toy = $(this).val();
|
||||
$.ajax("/doc/play/"+toy, {
|
||||
processData: false,
|
||||
type: "GET",
|
||||
complete: function(xhr) {
|
||||
if (xhr.status != 200) {
|
||||
alert("Server error; try again.");
|
||||
return;
|
||||
}
|
||||
setBody(xhr.responseText);
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
window.playground = playground;
|
||||
})();
|
||||
Загрузка…
Ссылка в новой задаче