333 lines
10 KiB
JavaScript
333 lines
10 KiB
JavaScript
/*!
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* Copyright 2013 Twitter, Inc.
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*
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* Licensed under the Creative Commons Attribution 3.0 Unported License. For
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* details, see http://creativecommons.org/licenses/by/3.0/.
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*/
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window.onload = function () { // wait for load in a dumb way because B-0
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var cw = '/*!\n * Bootstrap v3.0.3\n *\n * Copyright 2013 Twitter, Inc\n * Licensed under the Apache License v2.0\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Designed and built with all the love in the world @twitter by @mdo and @fat.\n */\n\n'
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function showError(msg, err) {
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$('<div id="bsCustomizerAlert" class="bs-customizer-alert">\
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<div class="container">\
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<a href="#bsCustomizerAlert" data-dismiss="alert" class="close pull-right">×</a>\
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<p class="bs-customizer-alert-text"><span class="glyphicon glyphicon-warning-sign"></span>' + msg + '</p>' +
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(err.extract ? '<pre class="bs-customizer-alert-extract">' + err.extract.join('\n') + '</pre>' : '') + '\
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</div>\
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</div>').appendTo('body').alert()
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throw err
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}
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function showCallout(msg, showUpTop) {
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var callout = $('<div class="bs-callout bs-callout-danger">\
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<h4>Attention!</h4>\
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<p>' + msg + '</p>\
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</div>')
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if (showUpTop) {
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callout.appendTo('.bs-docs-container')
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} else {
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callout.insertAfter('.bs-customize-download')
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}
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}
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function getQueryParam(key) {
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key = key.replace(/[*+?^$.\[\]{}()|\\\/]/g, "\\$&"); // escape RegEx meta chars
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var match = location.search.match(new RegExp("[?&]"+key+"=([^&]+)(&|$)"));
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return match && decodeURIComponent(match[1].replace(/\+/g, " "));
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}
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function createGist(configJson) {
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var data = {
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"description": "Bootstrap Customizer Config",
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"public": true,
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"files": {
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"config.json": {
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"content": configJson
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}
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}
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}
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$.ajax({
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url: 'https://api.github.com/gists',
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type: 'POST',
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dataType: 'json',
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data: JSON.stringify(data)
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})
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.success(function(result) {
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var origin = window.location.protocol + "//" + window.location.host
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history.replaceState(false, document.title, origin + window.location.pathname + '?id=' + result.id)
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})
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.error(function(err) {
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showError('<strong>Ruh roh!</strong> Could not save gist file, configuration not saved.', err)
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})
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}
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function getCustomizerData() {
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var vars = {}
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$('#less-variables-section input')
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.each(function () {
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$(this).val() && (vars[ $(this).prev().text() ] = $(this).val())
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})
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var data = {
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vars: vars,
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css: $('#less-section input:checked') .map(function () { return this.value }).toArray(),
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js: $('#plugin-section input:checked').map(function () { return this.value }).toArray()
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}
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if ($.isEmptyObject(data.vars) && !data.css.length && !data.js.length) return
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return data
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}
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function parseUrl() {
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var id = getQueryParam('id')
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if (!id) return
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$.ajax({
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url: 'https://api.github.com/gists/' + id,
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type: 'GET',
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dataType: 'json'
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})
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.success(function(result) {
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var data = JSON.parse(result.files['config.json'].content)
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if (data.js) {
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$('#plugin-section input').each(function () {
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$(this).prop('checked', ~$.inArray(this.value, data.js))
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})
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}
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if (data.css) {
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$('#less-section input').each(function () {
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$(this).prop('checked', ~$.inArray(this.value, data.css))
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})
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}
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if (data.vars) {
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for (var i in data.vars) {
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$('input[data-var="' + i + '"]').val(data.vars[i])
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}
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}
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})
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.error(function(err) {
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showError('Error fetching bootstrap config file', err)
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})
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}
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function generateZip(css, js, fonts, config, complete) {
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if (!css && !js) return showError('<strong>Ruh roh!</strong> No Bootstrap files selected.', new Error('no Bootstrap'))
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var zip = new JSZip()
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if (css) {
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var cssFolder = zip.folder('css')
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for (var fileName in css) {
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cssFolder.file(fileName, css[fileName])
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}
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}
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if (js) {
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var jsFolder = zip.folder('js')
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for (var fileName in js) {
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jsFolder.file(fileName, js[fileName])
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}
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}
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if (fonts) {
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var fontsFolder = zip.folder('fonts')
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for (var fileName in fonts) {
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fontsFolder.file(fileName, fonts[fileName], {base64: true})
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}
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}
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if (config) {
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zip.file('config.json', config)
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}
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var content = zip.generate({type:"blob"})
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complete(content)
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}
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function generateCustomCSS(vars) {
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var result = ''
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for (var key in vars) {
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result += key + ': ' + vars[key] + ';\n'
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}
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return result + '\n\n'
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}
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function generateFonts() {
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var glyphicons = $('#less-section [value="glyphicons.less"]:checked')
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if (glyphicons.length) {
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return __fonts
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}
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}
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// Returns an Array of @import'd filenames from 'bootstrap.less' in the order
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// in which they appear in the file.
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function bootstrapLessFilenames() {
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var IMPORT_REGEX = /^@import \"(.*?)\";$/
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var bootstrapLessLines = __less['bootstrap.less'].split('\n')
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for (var i = 0, imports = []; i < bootstrapLessLines.length; i++) {
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var match = IMPORT_REGEX.exec(bootstrapLessLines[i])
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if (match) imports.push(match[1])
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}
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return imports
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}
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function generateCSS() {
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var oneChecked = false
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var lessFileIncludes = {}
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$('#less-section input').each(function() {
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var $this = $(this)
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var checked = $this.is(':checked')
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lessFileIncludes[$this.val()] = checked
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oneChecked = oneChecked || checked
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})
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if (!oneChecked) return false
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var result = {}
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var vars = {}
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var css = ''
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$('#less-variables-section input')
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.each(function () {
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$(this).val() && (vars[ $(this).prev().text() ] = $(this).val())
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})
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$.each(bootstrapLessFilenames(), function(index, filename) {
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var fileInclude = lessFileIncludes[filename]
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// Files not explicitly unchecked are compiled into the final stylesheet.
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// Core stylesheets like 'normalize.less' are not included in the form
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// since disabling them would wreck everything, and so their 'fileInclude'
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// will be 'undefined'.
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if (fileInclude || (fileInclude == null)) css += __less[filename]
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// Custom variables are added after Bootstrap variables so the custom
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// ones take precedence.
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if (('variables.less' === filename) && vars) css += generateCustomCSS(vars)
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})
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css = css.replace(/@import[^\n]*/gi, '') //strip any imports
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try {
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var parser = new less.Parser({
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paths: ['variables.less', 'mixins.less']
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, optimization: 0
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, filename: 'bootstrap.css'
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}).parse(css, function (err, tree) {
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if (err) {
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return showError('<strong>Ruh roh!</strong> Could not parse less files.', err)
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}
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result = {
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'bootstrap.css' : cw + tree.toCSS(),
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'bootstrap.min.css' : cw + tree.toCSS({ compress: true }).replace(/\n/g, '') // FIXME: remove newline hack once less.js upgraded to v1.4
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}
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})
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} catch (err) {
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return showError('<strong>Ruh roh!</strong> Could not parse less files.', err)
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}
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return result
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}
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function generateJavascript() {
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var $checked = $('#plugin-section input:checked')
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if (!$checked.length) return false
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var js = $checked
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.map(function () { return __js[this.value] })
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.toArray()
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.join('\n')
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return {
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'bootstrap.js': js,
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'bootstrap.min.js': cw + uglify(js)
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}
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}
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var inputsComponent = $('#less-section input')
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var inputsPlugin = $('#plugin-section input')
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var inputsVariables = $('#less-variables-section input')
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$('#less-section .toggle').on('click', function (e) {
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e.preventDefault()
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inputsComponent.prop('checked', !inputsComponent.is(':checked'))
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})
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$('#plugin-section .toggle').on('click', function (e) {
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e.preventDefault()
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inputsPlugin.prop('checked', !inputsPlugin.is(':checked'))
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})
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$('#less-variables-section .toggle').on('click', function (e) {
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e.preventDefault()
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inputsVariables.val('')
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})
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$('[data-dependencies]').on('click', function () {
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if (!$(this).is(':checked')) return
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var dependencies = this.getAttribute('data-dependencies')
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if (!dependencies) return
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dependencies = dependencies.split(',')
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for (var i = 0; i < dependencies.length; i++) {
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var dependency = $('[value="' + dependencies[i] + '"]')
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dependency && dependency.prop('checked', true)
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}
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})
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$('[data-dependents]').on('click', function () {
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if ($(this).is(':checked')) return
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var dependents = this.getAttribute('data-dependents')
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if (!dependents) return
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dependents = dependents.split(',')
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for (var i = 0; i < dependents.length; i++) {
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var dependent = $('[value="' + dependents[i] + '"]')
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dependent && dependent.prop('checked', false)
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}
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})
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var $compileBtn = $('#btn-compile')
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var $downloadBtn = $('#btn-download')
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$compileBtn.on('click', function (e) {
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var configData = getCustomizerData()
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var configJson = JSON.stringify(configData, null, 2)
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e.preventDefault()
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$compileBtn.attr('disabled', 'disabled')
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generateZip(generateCSS(), generateJavascript(), generateFonts(), configJson, function (blob) {
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$compileBtn.removeAttr('disabled')
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saveAs(blob, "bootstrap.zip")
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createGist(configJson)
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})
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})
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// browser support alerts
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if (!window.URL && navigator.userAgent.toLowerCase().indexOf('safari') != -1) {
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showCallout("Looks like you're using safari, which sadly doesn't have the best support\
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for HTML5 blobs. Because of this your file will be downloaded with the name <code>\"untitled\"</code>.\
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However, if you check your downloads folder, just rename this <code>\"untitled\"</code> file\
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to <code>\"bootstrap.zip\"</code> and you should be good to go!")
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} else if (!window.URL && !window.webkitURL) {
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$('.bs-docs-section, .bs-sidebar').css('display', 'none')
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showCallout("Looks like your current browser doesn't support the Bootstrap Customizer. Please take a second\
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to <a href=\"https://www.google.com/intl/en/chrome/browser/\"> upgrade to a more modern browser</a>.", true)
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}
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parseUrl()
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}
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