static/main.js

// Copyright (c) 2012-2018, Matt Godbolt
//
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright notice, 
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright 
//       notice, this list of conditions and the following disclaimer in the 
//       documentation and/or other materials provided with the distribution.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
// POSSIBILITY OF SUCH DAMAGE
"use strict";

require("monaco-loader")().then(function() {    
    
require('bootstrap');
require('bootstrap-slider');

var analytics = require('analytics');
var sharing = require('sharing');
var _ = require('underscore');
var $ = require('jquery');
var GoldenLayout = require('goldenlayout');
var Components = require('components');
var url = require('./url');
var clipboard = require('clipboard');
var Hub = require('hub');
var Raven = require('raven-js');
var settings = require('./settings');
var local = require('./local');
var Alert = require('./alert');
var themer = require('./themes');

//css
require("bootstrap/dist/css/bootstrap.min.css");
require("goldenlayout/src/css/goldenlayout-base.css");
require("selectize/dist/css/selectize.bootstrap2.css");
require("bootstrap-slider/dist/css/bootstrap-slider.css");
require("./colours.css");
require("./explorer.css");

function setupSettings(hub) {
    var eventHub = hub.layout.eventHub;
    var defaultSettings = {
        defaultLanguage: hub.subdomainLangId
    };
    var currentSettings = JSON.parse(local.get('settings', null)) || defaultSettings;

    function onChange(settings) {
        currentSettings = settings;
        local.set('settings', JSON.stringify(settings));
        eventHub.emit('settingsChange', settings);
    }

    new themer.Themer(eventHub, currentSettings);

    eventHub.on('requestSettings', function () {
        eventHub.emit('settingsChange', currentSettings);
    });

    var setSettings = settings($('#settings'), currentSettings, onChange, hub.subdomainLangId);
    eventHub.on('modifySettings', function (newSettings) {
        setSettings(_.extend(currentSettings, newSettings));
    });
}

function start() {
    analytics.initialise();

    var options = require('options');

    var subdomainPart = window.location.hostname.split('.')[0];
    var langBySubdomain = _.find(options.languages, function (lang) {
        return lang.id === subdomainPart || lang.alias.indexOf(subdomainPart) >= 0;
    });
    var subLangId = langBySubdomain ? langBySubdomain.id : null;

    var defaultConfig = {
        settings: {showPopoutIcon: false},
        content: [{
            type: 'row',
            content: [
                Components.getEditor(1, subLangId),
                Components.getCompiler(1, subLangId)
            ]
        }]
    };
    
    $(window).bind('hashchange', function () {
        // punt on hash events and just reload the page if there's a hash
        if (window.location.hash.substr(1))
            window.location.reload();
    });

    var config;
    if (!options.embedded) {
        config = url.deserialiseState(window.location.hash.substr(1));
        if (config) {
            // replace anything in the default config with that from the hash
            config = _.extend(defaultConfig, config);
        }

        if (!config) {
            var savedState = local.get('gl', null);
            config = savedState !== null ? JSON.parse(savedState) : defaultConfig;
        }
    } else {
        config = _.extend(defaultConfig,
            {
                settings: {
                    showMaximiseIcon: false,
                    showCloseIcon: false,
                    hasHeaders: false
                }
            },
            sharing.configFromEmbedded(window.location.hash.substr(1)));
    }

    var root = $("#root");

    var layout;
    var hub;
    try {
        layout = new GoldenLayout(config, root);
        hub = new Hub(layout, subLangId);
    } catch (e) {
        Raven.captureException(e);
        layout = new GoldenLayout(defaultConfig, root);
        hub = new Hub(layout, subLangId);
    }
    layout.on('stateChanged', function () {
        var config = layout.toConfig();
        // Only preserve state in localStorage in non-embedded mode.
        if (!options.embedded) {
            local.set('gl', JSON.stringify(config));
        } else {
            var strippedToLast = window.location.pathname;
            strippedToLast = strippedToLast.substr(0,
                strippedToLast.lastIndexOf('/') + 1);
            $('a.link').attr('href', strippedToLast + '#' + url.serialiseState(config));
        }
    });

    function sizeRoot() {
        var height = $(window).height() - root.position().top;
        root.height(height);
        layout.updateSize();
    }

    $(window).resize(sizeRoot);
    sizeRoot();

    new clipboard('.btn.clippy');

    setupSettings(hub);

    sharing.initShareButton($('#share'), layout);

    function setupAdd(thing, func) {
        layout.createDragSource(thing, func);
        thing.click(function () {
            hub.addAtRoot(func());
        });
    }

    setupAdd($('#add-diff'), function () {
        return Components.getDiff();
    });
    setupAdd($('#add-editor'), function () {
        return Components.getEditor();
    });
    $('#ui-reset').click(function () {
        local.remove('gl');
        window.location.reload();
    });
    $('#thanks-to').click(function () {
        new Alert().alert("Special thanks to", $(require('./thanks.html')));
    });
    $('#changes').click(function () {
        new Alert().alert("Changelog", $(require('./changelog.html')));
    });
}

    $(start);
});