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472 lines
14 KiB
472 lines
14 KiB
/* Utilities and Useful Functions |
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================================================== */ |
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if(typeof VMM != 'undefined' && typeof VMM.Util == 'undefined') { |
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VMM.Util = ({ |
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init: function() { |
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return this; |
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}, |
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/* CORRECT PROTOCOL (DOES NOT WORK) |
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================================================== */ |
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correctProtocol: function(url) { |
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var loc = (window.parent.location.protocol).toString(); |
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var prefix = ""; |
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var _url = url.split("://", 2); |
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if (loc.match("http")) { |
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prefix = loc; |
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} else { |
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prefix = "https"; |
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} |
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return prefix + "://" + _url[1]; |
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}, |
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/* GET OBJECT ATTRIBUTE BY INDEX |
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================================================== */ |
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getObjectAttributeByIndex: function(obj, index) { |
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if(typeof obj != 'undefined') { |
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var i = 0; |
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for (var attr in obj){ |
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if (index === i){ |
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return obj[attr]; |
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} |
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i++; |
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} |
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return ""; |
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} else { |
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return ""; |
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} |
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}, |
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/* RANDOM BETWEEN |
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================================================== */ |
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//VMM.Util.randomBetween(1, 3) |
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randomBetween: function(min, max) { |
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return Math.floor(Math.random() * (max - min + 1) + min); |
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}, |
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/* AVERAGE |
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http://jsfromhell.com/array/average |
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var x = VMM.Util.average([2, 3, 4]); |
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VMM.Util.average([2, 3, 4]).mean |
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================================================== */ |
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average: function(a) { |
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var r = {mean: 0, variance: 0, deviation: 0}, t = a.length; |
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for(var m, s = 0, l = t; l--; s += a[l]); |
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for(m = r.mean = s / t, l = t, s = 0; l--; s += Math.pow(a[l] - m, 2)); |
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return r.deviation = Math.sqrt(r.variance = s / t), r; |
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}, |
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/* CUSTOM SORT |
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================================================== */ |
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customSort: function(a, b) { |
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var a1= a, b1= b; |
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if(a1== b1) return 0; |
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return a1> b1? 1: -1; |
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}, |
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/* Remove Duplicates from Array |
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================================================== */ |
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deDupeArray: function(arr) { |
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var i, |
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len=arr.length, |
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out=[], |
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obj={}; |
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for (i=0;i<len;i++) { |
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obj[arr[i]]=0; |
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} |
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for (i in obj) { |
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out.push(i); |
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} |
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return out; |
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}, |
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/* Given an int or decimal, turn that into string in $xxx,xxx.xx format. |
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================================================== */ |
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number2money: function(n, symbol, padding) { |
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var symbol = (symbol !== null) ? symbol : true; // add $ |
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var padding = (padding !== null) ? padding : false; //pad with .00 |
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var number = VMM.Math2.floatPrecision(n,2); // rounded correctly to two digits, if decimals passed |
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var formatted = this.niceNumber(number); |
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// no decimal and padding is enabled |
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if (!formatted.split(/\./g)[1] && padding) formatted = formatted + ".00"; |
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// add money sign |
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if (symbol) formatted = "$"+formatted; |
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return formatted; |
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}, |
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/* Returns a word count number |
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================================================== */ |
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wordCount: function(s) { |
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var fullStr = s + " "; |
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var initial_whitespace_rExp = /^[^A-Za-z0-9\'\-]+/gi; |
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var left_trimmedStr = fullStr.replace(initial_whitespace_rExp, ""); |
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var non_alphanumerics_rExp = /[^A-Za-z0-9\'\-]+/gi; |
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var cleanedStr = left_trimmedStr.replace(non_alphanumerics_rExp, " "); |
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var splitString = cleanedStr.split(" "); |
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var word_count = splitString.length -1; |
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if (fullStr.length <2) { |
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word_count = 0; |
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} |
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return word_count; |
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}, |
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ratio: { |
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fit: function(w, h, ratio_w, ratio_h) { |
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//VMM.Util.ratio.fit(w, h, ratio_w, ratio_h).width; |
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var _fit = {width:0,height:0}; |
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// TRY WIDTH FIRST |
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_fit.width = w; |
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//_fit.height = Math.round((h / ratio_h) * ratio_w); |
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_fit.height = Math.round((w / ratio_w) * ratio_h); |
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if (_fit.height > h) { |
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_fit.height = h; |
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//_fit.width = Math.round((w / ratio_w) * ratio_h); |
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_fit.width = Math.round((h / ratio_h) * ratio_w); |
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if (_fit.width > w) { |
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trace("FIT: DIDN'T FIT!!! ") |
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} |
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} |
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return _fit; |
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}, |
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r16_9: function(w,h) { |
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//VMM.Util.ratio.r16_9(w, h) // Returns corresponding number |
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if (w !== null && w !== "") { |
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return Math.round((h / 16) * 9); |
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} else if (h !== null && h !== "") { |
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return Math.round((w / 9) * 16); |
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} |
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}, |
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r4_3: function(w,h) { |
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if (w !== null && w !== "") { |
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return Math.round((h / 4) * 3); |
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} else if (h !== null && h !== "") { |
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return Math.round((w / 3) * 4); |
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} |
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} |
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}, |
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doubledigit: function(n) { |
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return (n < 10 ? '0' : '') + n; |
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}, |
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/* Returns a truncated segement of a long string of between min and max words. If possible, ends on a period (otherwise goes to max). |
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================================================== */ |
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truncateWords: function(s, min, max) { |
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if (!min) min = 30; |
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if (!max) max = min; |
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var initial_whitespace_rExp = /^[^A-Za-z0-9\'\-]+/gi; |
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var left_trimmedStr = s.replace(initial_whitespace_rExp, ""); |
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var words = left_trimmedStr.split(" "); |
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var result = []; |
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min = Math.min(words.length, min); |
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max = Math.min(words.length, max); |
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for (var i = 0; i<min; i++) { |
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result.push(words[i]); |
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} |
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for (var j = min; i<max; i++) { |
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var word = words[i]; |
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result.push(word); |
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if (word.charAt(word.length-1) == '.') { |
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break; |
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} |
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} |
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return (result.join(' ')); |
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}, |
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/* Turns plain text links into real links |
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================================================== */ |
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linkify: function(text,targets,is_touch) { |
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// http://, https://, ftp:// |
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var urlPattern = /\b(?:https?|ftp):\/\/[a-z0-9-+&@#\/%?=~_|!:,.;]*[a-z0-9-+&@#\/%=~_|]/gim; |
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// www. sans http:// or https:// |
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var pseudoUrlPattern = /(^|[^\/])(www\.[\S]+(\b|$))/gim; |
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// Email addresses |
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var emailAddressPattern = /(([a-zA-Z0-9_\-\.]+)@[a-zA-Z_]+?(?:\.[a-zA-Z]{2,6}))+/gim; |
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return text |
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.replace(urlPattern, "<a target='_blank' href='$&' onclick='void(0)'>$&</a>") |
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.replace(pseudoUrlPattern, "$1<a target='_blank' onclick='void(0)' href='http://$2'>$2</a>") |
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.replace(emailAddressPattern, "<a target='_blank' onclick='void(0)' href='mailto:$1'>$1</a>"); |
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}, |
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linkify_with_twitter: function(text,targets,is_touch) { |
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// http://, https://, ftp:// |
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var urlPattern = /\b(?:https?|ftp):\/\/[a-z0-9-+&@#\/%?=~_|!:,.;]*[a-z0-9-+&@#\/%=~_|]/gim; |
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var url_pattern = /(\()((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&'()*+,;=:\/?#[\]@%]+)(\))|(\[)((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&'()*+,;=:\/?#[\]@%]+)(\])|(\{)((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&'()*+,;=:\/?#[\]@%]+)(\})|(<|&(?:lt|#60|#x3c);)((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&'()*+,;=:\/?#[\]@%]+)(>|&(?:gt|#62|#x3e);)|((?:^|[^=\s'"\]])\s*['"]?|[^=\s]\s+)(\b(?:ht|f)tps?:\/\/[a-z0-9\-._~!$'()*+,;=:\/?#[\]@%]+(?:(?!&(?:gt|#0*62|#x0*3e);|&(?:amp|apos|quot|#0*3[49]|#x0*2[27]);[.!&',:?;]?(?:[^a-z0-9\-._~!$&'()*+,;=:\/?#[\]@%]|$))&[a-z0-9\-._~!$'()*+,;=:\/?#[\]@%]*)*[a-z0-9\-_~$()*+=\/#[\]@%])/img; |
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var url_replace = '$1$4$7$10$13<a href="$2$5$8$11$14" class="hyphenate">$2$5$8$11$14</a>$3$6$9$12'; |
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// www. sans http:// or https:// |
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var pseudoUrlPattern = /(^|[^\/])(www\.[\S]+(\b|$))/gim; |
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function replaceURLWithHTMLLinks(text) { |
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var exp = /(\b(https?|ftp|file):\/\/([-A-Z0-9+&@#%?=~_|!:,.;]*)([-A-Z0-9+&@#%?\/=~_|!:,.;]*)[-A-Z0-9+&@#\/%=~_|])/ig; |
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return text.replace(exp, "<a href='$1' target='_blank'>$3</a>"); |
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} |
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// Email addresses |
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var emailAddressPattern = /(([a-zA-Z0-9_\-\.]+)@[a-zA-Z_]+?(?:\.[a-zA-Z]{2,6}))+/gim; |
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//var twitterHandlePattern = /(@([\w]+))/g; |
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var twitterHandlePattern = /\B@([\w-]+)/gm; |
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var twitterSearchPattern = /(#([\w]+))/g; |
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return text |
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//.replace(urlPattern, "<a target='_blank' href='$&' onclick='void(0)'>$&</a>") |
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.replace(url_pattern, url_replace) |
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.replace(pseudoUrlPattern, "$1<a target='_blank' class='hyphenate' onclick='void(0)' href='http://$2'>$2</a>") |
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.replace(emailAddressPattern, "<a target='_blank' onclick='void(0)' href='mailto:$1'>$1</a>") |
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.replace(twitterHandlePattern, "<a href='http://twitter.com/$1' target='_blank' onclick='void(0)'>@$1</a>") |
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.replace(twitterSearchPattern, "<a href='http://twitter.com/#search?q=%23$2' target='_blank' 'void(0)'>$1</a>"); |
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}, |
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linkify_wikipedia: function(text) { |
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var urlPattern = /<i[^>]*>(.*?)<\/i>/gim; |
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return text |
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.replace(urlPattern, "<a target='_blank' href='http://en.wikipedia.org/wiki/$&' onclick='void(0)'>$&</a>") |
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.replace(/<i\b[^>]*>/gim, "") |
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.replace(/<\/i>/gim, "") |
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.replace(/<b\b[^>]*>/gim, "") |
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.replace(/<\/b>/gim, ""); |
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}, |
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/* Turns plain text links into real links |
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================================================== */ |
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// VMM.Util.unlinkify(); |
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unlinkify: function(text) { |
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if(!text) return text; |
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text = text.replace(/<a\b[^>]*>/i,""); |
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text = text.replace(/<\/a>/i, ""); |
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return text; |
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}, |
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untagify: function(text) { |
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if (!text) { |
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return text; |
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} |
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text = text.replace(/<\s*\w.*?>/g,""); |
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return text; |
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}, |
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/* TK |
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================================================== */ |
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nl2br: function(text) { |
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return text.replace(/(\r\n|[\r\n]|\\n|\\r)/g,"<br/>"); |
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}, |
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/* Generate a Unique ID |
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================================================== */ |
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// VMM.Util.unique_ID(size); |
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unique_ID: function(size) { |
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var getRandomNumber = function(range) { |
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return Math.floor(Math.random() * range); |
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}; |
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var getRandomChar = function() { |
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var chars = "abcdefghijklmnopqurstuvwxyzABCDEFGHIJKLMNOPQURSTUVWXYZ"; |
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return chars.substr( getRandomNumber(62), 1 ); |
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}; |
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var randomID = function(size) { |
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var str = ""; |
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for(var i = 0; i < size; i++) { |
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str += getRandomChar(); |
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} |
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return str; |
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}; |
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return randomID(size); |
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}, |
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/* Tells you if a number is even or not |
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================================================== */ |
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// VMM.Util.isEven(n) |
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isEven: function(n){ |
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return (n%2 === 0) ? true : false; |
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}, |
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/* Get URL Variables |
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================================================== */ |
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// var somestring = VMM.Util.getUrlVars(str_url)["varname"]; |
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getUrlVars: function(string) { |
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var str = string.toString(); |
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if (str.match('&')) { |
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str = str.replace("&", "&"); |
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} else if (str.match('&')) { |
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str = str.replace("&", "&"); |
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} else if (str.match('&')) { |
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str = str.replace("&", "&"); |
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} |
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var vars = [], hash; |
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var hashes = str.slice(str.indexOf('?') + 1).split('&'); |
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for(var i = 0; i < hashes.length; i++) { |
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hash = hashes[i].split('='); |
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vars.push(hash[0]); |
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vars[hash[0]] = hash[1]; |
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} |
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return vars; |
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}, |
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/* Cleans up strings to become real HTML |
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================================================== */ |
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toHTML: function(text) { |
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text = this.nl2br(text); |
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text = this.linkify(text); |
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return text.replace(/\s\s/g," "); |
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}, |
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/* Returns text strings as CamelCase |
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================================================== */ |
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toCamelCase: function(s,forceLowerCase) { |
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if(forceLowerCase !== false) forceLowerCase = true; |
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var sps = ((forceLowerCase) ? s.toLowerCase() : s).split(" "); |
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for(var i=0; i<sps.length; i++) { |
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sps[i] = sps[i].substr(0,1).toUpperCase() + sps[i].substr(1); |
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} |
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return sps.join(" "); |
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}, |
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/* Replaces dumb quote marks with smart ones |
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================================================== */ |
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properQuotes: function(str) { |
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return str.replace(/\"([^\"]*)\"/gi,"“$1”"); |
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}, |
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/* Given an int or decimal, return a string with pretty commas in the correct spot. |
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================================================== */ |
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niceNumber: function(n){ |
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var amount = String( Math.abs(Number(n) ) ); |
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var leftOfDecimal = amount.split(/\./g)[0]; |
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var rightOfDecimal = amount.split(/\./g)[1]; |
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var formatted_text = ''; |
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var num_a = leftOfDecimal.toArray(); |
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num_a.reverse(); |
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for (var i=1; i <= num_a.length; i++) { |
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if ( (i%3 == 0) && (i < num_a.length ) ) { |
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formatted_text = "," + num_a[i-1] + formatted_text; |
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} else { |
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formatted_text = num_a[i-1] + formatted_text; |
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} |
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} |
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if (rightOfDecimal != null && rightOfDecimal != '' && rightOfDecimal != undefined) { |
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return formatted_text + "." + rightOfDecimal; |
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} else { |
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return formatted_text; |
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} |
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}, |
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/* Transform text to Title Case |
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================================================== */ |
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toTitleCase: function(t){ |
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if ( VMM.Browser.browser == "Explorer" && parseInt(VMM.Browser.version, 10) >= 7) { |
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return t.replace("_", "%20"); |
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} else { |
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var __TitleCase = { |
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__smallWords: ['a', 'an', 'and', 'as', 'at', 'but','by', 'en', 'for', 'if', 'in', 'of', 'on', 'or','the', 'to', 'v[.]?', 'via', 'vs[.]?'], |
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init: function() { |
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this.__smallRE = this.__smallWords.join('|'); |
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this.__lowerCaseWordsRE = new RegExp('\\b(' + this.__smallRE + ')\\b', 'gi'); |
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this.__firstWordRE = new RegExp('^([^a-zA-Z0-9 \\r\\n\\t]*)(' + this.__smallRE + ')\\b', 'gi'); |
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this.__lastWordRE = new RegExp('\\b(' + this.__smallRE + ')([^a-zA-Z0-9 \\r\\n\\t]*)$', 'gi'); |
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}, |
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toTitleCase: function(string) { |
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var line = ''; |
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var split = string.split(/([:.;?!][ ]|(?:[ ]|^)["“])/); |
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for (var i = 0; i < split.length; ++i) { |
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var s = split[i]; |
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s = s.replace(/\b([a-zA-Z][a-z.'’]*)\b/g,this.__titleCaseDottedWordReplacer); |
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// lowercase the list of small words |
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s = s.replace(this.__lowerCaseWordsRE, this.__lowerReplacer); |
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// if the first word in the title is a small word then capitalize it |
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s = s.replace(this.__firstWordRE, this.__firstToUpperCase); |
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// if the last word in the title is a small word, then capitalize it |
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s = s.replace(this.__lastWordRE, this.__firstToUpperCase); |
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line += s; |
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} |
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// special cases |
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line = line.replace(/ V(s?)\. /g, ' v$1. '); |
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line = line.replace(/(['’])S\b/g, '$1s'); |
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line = line.replace(/\b(AT&T|Q&A)\b/ig, this.__upperReplacer); |
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return line; |
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}, |
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__titleCaseDottedWordReplacer: function (w) { |
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return (w.match(/[a-zA-Z][.][a-zA-Z]/)) ? w : __TitleCase.__firstToUpperCase(w); |
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}, |
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__lowerReplacer: function (w) { return w.toLowerCase() }, |
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__upperReplacer: function (w) { return w.toUpperCase() }, |
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__firstToUpperCase: function (w) { |
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var split = w.split(/(^[^a-zA-Z0-9]*[a-zA-Z0-9])(.*)$/); |
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if (split[1]) { |
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split[1] = split[1].toUpperCase(); |
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} |
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return split.join(''); |
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} |
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}; |
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__TitleCase.init(); |
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t = t.replace(/_/g," "); |
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t = __TitleCase.toTitleCase(t); |
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return t; |
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} |
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} |
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}).init(); |
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} |