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March 21, 2013 00:52
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Utils
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| var Infograph = window.Infograph || {}; | |
| (function( window, document, $ ) { | |
| 'use strict'; | |
| Infograph = { | |
| Utils: { | |
| /** | |
| * Funcao que transforma a primeira letra de cada palavra em maiuscula, | |
| * exceto as preposicoes de, do, da, dos e das. | |
| * | |
| * @param {string} str - String a ser transformada | |
| * @example Infograph.Utils.capitalizeFirstLetter('JOAO DA SILVA') // Joao da Silva | |
| */ | |
| capitalizeFirstLetter: function( str ) { | |
| str = str.toLowerCase(); | |
| var pieces = str.split(' '), | |
| piece, | |
| piecesLength = pieces.length, | |
| firstLetter; | |
| while ( piecesLength-- ) { | |
| piece = pieces[ piecesLength ]; | |
| if (piece !== 'de' && | |
| piece !== 'do' && | |
| piece !== 'da' && | |
| piece !== 'dos' && | |
| piece !== 'das' ) { | |
| firstLetter = piece.charAt(0).toUpperCase(); | |
| pieces[ piecesLength ] = firstLetter + piece.substr(1); | |
| } | |
| } | |
| return pieces.join(' '); | |
| }, | |
| /* | |
| * Remove acentos e substitui espacos por hifen | |
| * | |
| * @param {string} str - String a ser alterada | |
| * @example Infograph.Utils.toSlug('São Paulo'); // sao-paulo | |
| */ | |
| toSlug: function() { | |
| var st = arguments[0].toLowerCase(); | |
| st = st.replace(/[\u00C0-\u00C5]/ig, 'a') | |
| .replace(/[\u00C8-\u00CB]/ig, 'e') | |
| .replace(/[\u00CC-\u00CF]/ig, 'i') | |
| .replace(/[\u00D2-\u00D6]/ig, 'o') | |
| .replace(/[\u00D9-\u00DC]/ig, 'u') | |
| .replace(/[\u00D1]/ig, 'n') | |
| .replace(/[^a-z0-9 ]+/gi, '') | |
| .trim().replace(/ /g, '-') | |
| .replace(/[\-]{2}/g, ''); | |
| return ( st.replace(/[^a-z\- ]*/gi, '') ); | |
| }, | |
| /* | |
| * Remove acentos | |
| * | |
| * @param {string} str - String a ser alterada | |
| * @example Infograph.Utils.removeAccent('São Paulo'); // Sao Paulo | |
| */ | |
| removeAccent: function() { | |
| var st = arguments[0].toLowerCase(); | |
| st = st.replace(/[\u00C0-\u00C5]/ig, 'a') | |
| .replace(/[\u00C8-\u00CB]/ig, 'e') | |
| .replace(/[\u00CC-\u00CF]/ig, 'i') | |
| .replace(/[\u00D2-\u00D6]/ig, 'o') | |
| .replace(/[\u00D9-\u00DC]/ig, 'u') | |
| .replace(/[\-]{2}/g, ''); | |
| return ( st.replace(/[^a-z\- ]*/gi, '') ); | |
| }, | |
| /* | |
| * Requisicao em ajax do tipo jsonP | |
| * | |
| * @param {object} str - Objeto | |
| */ | |
| getData: function( options ) { | |
| var data = {}, | |
| url = options.url, | |
| dataId = options.id, | |
| callback = options.callback, | |
| jsonpCallback = options.jsonpCallback; | |
| $.ajax({ | |
| url : url, | |
| dataType : 'jsonp', | |
| crossDomain : true, | |
| jsonp : false, | |
| jsonpCallback : jsonpCallback || 'jsonpCB', | |
| cache : true, | |
| success: function( result ) { | |
| if ( !result ) | |
| return false; | |
| if ( Object.typeOf(result) === 'string' ) | |
| result = $.parseJSON($.trim(result)); | |
| if ( dataId ) | |
| data[ dataId ] = result; | |
| else | |
| data = result; | |
| callback.call(null, data); | |
| } | |
| }); | |
| }, | |
| /* | |
| * Preload de imagens | |
| * | |
| * @param {array} imgs - Array com os paths das imagens | |
| * @example Infograph.Utils.preload(['img/foto1.jpg', 'img/foto2.jpg']); | |
| */ | |
| preload: function( imgs ) { | |
| for( var i in imgs ) { | |
| (new Image()).src = imgs[i]; | |
| } | |
| }, | |
| base64: { | |
| encode: function( data ) { | |
| // http://kevin.vanzonneveld.net | |
| // + original by: Tyler Akins (http://rumkin.com) | |
| // + improved by: Bayron Guevara | |
| // + improved by: Thunder.m | |
| // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) | |
| // + bugfixed by: Pellentesque Malesuada | |
| // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) | |
| // + improved by: Rafał Kukawski (http://kukawski.pl) | |
| // * example 1: base64_encode('Kevin van Zonneveld'); | |
| // * returns 1: 'S2V2aW4gdmFuIFpvbm5ldmVsZA==' | |
| // mozilla has this native | |
| // - but breaks in 2.0.0.12! | |
| //if (typeof this.window['btoa'] == 'function') { | |
| // return btoa(data); | |
| //} | |
| var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; | |
| var o1, o2, o3, h1, h2, h3, h4, bits, i = 0, | |
| ac = 0, | |
| enc = "", | |
| tmp_arr = []; | |
| if (!data) { | |
| return data; | |
| } | |
| do { // pack three octets into four hexets | |
| o1 = data.charCodeAt(i++); | |
| o2 = data.charCodeAt(i++); | |
| o3 = data.charCodeAt(i++); | |
| bits = o1 << 16 | o2 << 8 | o3; | |
| h1 = bits >> 18 & 0x3f; | |
| h2 = bits >> 12 & 0x3f; | |
| h3 = bits >> 6 & 0x3f; | |
| h4 = bits & 0x3f; | |
| // use hexets to index into b64, and append result to encoded string | |
| tmp_arr[ac++] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4); | |
| } while (i < data.length); | |
| enc = tmp_arr.join(''); | |
| var r = data.length % 3; | |
| return (r ? enc.slice(0, r - 3) : enc) + '==='.slice(r || 3); | |
| }, | |
| decode: function ( data ) { | |
| // http://kevin.vanzonneveld.net | |
| // + original by: Tyler Akins (http://rumkin.com) | |
| // + improved by: Thunder.m | |
| // + input by: Aman Gupta | |
| // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) | |
| // + bugfixed by: Onno Marsman | |
| // + bugfixed by: Pellentesque Malesuada | |
| // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) | |
| // + input by: Brett Zamir (http://brett-zamir.me) | |
| // + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) | |
| // * example 1: base64_decode('S2V2aW4gdmFuIFpvbm5ldmVsZA=='); | |
| // * returns 1: 'Kevin van Zonneveld' | |
| // mozilla has this native | |
| // - but breaks in 2.0.0.12! | |
| //if (typeof this.window['atob'] == 'function') { | |
| // return atob(data); | |
| //} | |
| var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; | |
| var o1, o2, o3, h1, h2, h3, h4, bits, i = 0, | |
| ac = 0, | |
| dec = "", | |
| tmp_arr = []; | |
| if (!data) { | |
| return data; | |
| } | |
| data += ''; | |
| do { // unpack four hexets into three octets using index points in b64 | |
| h1 = b64.indexOf(data.charAt(i++)); | |
| h2 = b64.indexOf(data.charAt(i++)); | |
| h3 = b64.indexOf(data.charAt(i++)); | |
| h4 = b64.indexOf(data.charAt(i++)); | |
| bits = h1 << 18 | h2 << 12 | h3 << 6 | h4; | |
| o1 = bits >> 16 & 0xff; | |
| o2 = bits >> 8 & 0xff; | |
| o3 = bits & 0xff; | |
| if (h3 == 64) { | |
| tmp_arr[ac++] = String.fromCharCode(o1); | |
| } else if (h4 == 64) { | |
| tmp_arr[ac++] = String.fromCharCode(o1, o2); | |
| } else { | |
| tmp_arr[ac++] = String.fromCharCode(o1, o2, o3); | |
| } | |
| } while (i < data.length); | |
| dec = tmp_arr.join(''); | |
| return dec; | |
| } | |
| } | |
| } | |
| }; | |
| /** | |
| * Escapa a string. | |
| */ | |
| window._escape = function(str) { | |
| return encodeURIComponent(_unescape(str)); | |
| } | |
| /** | |
| * Retorna a string no estado normal | |
| */ | |
| window._unescape = function(str) { | |
| try { | |
| return _cleanText(decodeURIComponent(unescape(str))); | |
| } | |
| catch(e) { | |
| if(/URI malformed/.test(e)) | |
| return _cleanText(unescape(str)); | |
| return str; | |
| } | |
| } | |
| /** | |
| * Transforma o texto com html entities em texto puro | |
| */ | |
| window._cleanText = function(str) { | |
| return str.replace(/&#(\d+);/g, function(str, code) { return String.fromCharCode(code) }); | |
| } | |
| /** | |
| * Verifica o tipo do objeto (typeof de verdade) | |
| * | |
| * @param {Object} O objeto a ser avaliado | |
| * @returns {String} O tipo do objeto | |
| * | |
| * @examples: | |
| * Object.typeOf([1,2,3]) // "array" | |
| * Object.typeOf(/a-z/) // "regexp" | |
| * Object.typeOf(window) // "global" | |
| * Object.typeOf(JSON) // "json" | |
| * Object.typeOf({}) // "object" | |
| * (function() {console.log(Object.typeOf(arguments))})() // "arguments" | |
| * Object.typeOf(new ReferenceError); // "error" | |
| * Object.typeOf(new Date); // "date" | |
| * Object.typeOf(Math); // "math" | |
| * Object.typeOf(JSON); // "json" | |
| * Object.typeOf(new Number(4)); // "number" | |
| * Object.typeOf(new String("abc")); // "string" | |
| * Object.typeOf(new Boolean(true)); // "boolean" | |
| */ | |
| Object.typeOf = (function( global ) { | |
| return function( obj ) { | |
| if ( obj === global ) { | |
| return 'global'; | |
| } | |
| return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase(); | |
| } | |
| })( this ); | |
| /* | |
| * Retorna o tamanho de um Object ou Array | |
| * | |
| * @param {Object} O objeto a ser avaliado | |
| * @returns {Number} O length do Object | |
| * | |
| * @examples: | |
| * Object.size([1,2,3]) // 3 | |
| * Object.size({y: 0, x: 1}) // 2 | |
| * | |
| */ | |
| Object.size = function( obj ) { | |
| var size = 0, key; | |
| for ( key in obj ) { | |
| if ( obj.hasOwnProperty( key ) ) | |
| size++; | |
| } | |
| return size; | |
| }; | |
| /* | |
| * Randomiza um array | |
| * | |
| * @param {Array} O array a ser randomizado | |
| * @returns {Array} O array randomizado | |
| * | |
| * @examples: | |
| * Array.shuffle([1,2,3]) // [2, 3, 1] | |
| * | |
| */ | |
| Array.shuffle = function( array ) { | |
| var m = array.length, t, i; | |
| // While there remain elements to shuffle… | |
| while (m) { | |
| // Pick a remaining element… | |
| i = Math.floor(Math.random() * m--); | |
| // And swap it with the current element. | |
| t = array[m]; | |
| array[m] = array[i]; | |
| array[i] = t; | |
| } | |
| return array; | |
| }; | |
| if( !String.prototype.trim ) { | |
| String.prototype.trim = function () { | |
| return this.replace(/^\s+|\s+$/g,''); | |
| }; | |
| } | |
| })( window, document, jQuery ); |
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