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<pre class="prettyprint lang-js"><div id="cls-Ext.util.Format"></div>/**
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* @class Ext.util.Format
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* Reusable data formatting functions
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* @singleton
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*/
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Ext.util.Format = function(){
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var trimRe = /^\s+|\s+$/g,
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stripTagsRE = /<\/?[^>]+>/gi,
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stripScriptsRe = /(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/ig,
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nl2brRe = /\r?\n/g;
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return {
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<div id="method-Ext.util.Format-ellipsis"></div>/**
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* Truncate a string and add an ellipsis ('...') to the end if it exceeds the specified length
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* @param {String} value The string to truncate
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* @param {Number} length The maximum length to allow before truncating
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* @param {Boolean} word True to try to find a common work break
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* @return {String} The converted text
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*/
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ellipsis : function(value, len, word){
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if(value && value.length > len){
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if(word){
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var vs = value.substr(0, len - 2),
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index = Math.max(vs.lastIndexOf(' '), vs.lastIndexOf('.'), vs.lastIndexOf('!'), vs.lastIndexOf('?'));
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if(index == -1 || index < (len - 15)){
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return value.substr(0, len - 3) + "...";
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}else{
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return vs.substr(0, index) + "...";
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}
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} else{
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return value.substr(0, len - 3) + "...";
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}
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}
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return value;
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},
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<div id="method-Ext.util.Format-undef"></div>/**
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* Checks a reference and converts it to empty string if it is undefined
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* @param {Mixed} value Reference to check
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* @return {Mixed} Empty string if converted, otherwise the original value
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*/
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undef : function(value){
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return value !== undefined ? value : "";
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},
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<div id="method-Ext.util.Format-defaultValue"></div>/**
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* Checks a reference and converts it to the default value if it's empty
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* @param {Mixed} value Reference to check
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* @param {String} defaultValue The value to insert of it's undefined (defaults to "")
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* @return {String}
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*/
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defaultValue : function(value, defaultValue){
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return value !== undefined && value !== '' ? value : defaultValue;
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},
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<div id="method-Ext.util.Format-htmlEncode"></div>/**
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* Convert certain characters (&, <, >, and ') to their HTML character equivalents for literal display in web pages.
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* @param {String} value The string to encode
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* @return {String} The encoded text
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*/
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htmlEncode : function(value){
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return !value ? value : String(value).replace(/&/g, "&").replace(/>/g, ">").replace(/</g, "<").replace(/"/g, """);
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},
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<div id="method-Ext.util.Format-htmlDecode"></div>/**
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* Convert certain characters (&, <, >, and ') from their HTML character equivalents.
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* @param {String} value The string to decode
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* @return {String} The decoded text
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*/
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htmlDecode : function(value){
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return !value ? value : String(value).replace(/>/g, ">").replace(/</g, "<").replace(/"/g, '"').replace(/&/g, "&");
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},
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<div id="method-Ext.util.Format-trim"></div>/**
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* Trims any whitespace from either side of a string
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* @param {String} value The text to trim
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* @return {String} The trimmed text
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*/
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trim : function(value){
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return String(value).replace(trimRe, "");
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},
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<div id="method-Ext.util.Format-substr"></div>/**
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* Returns a substring from within an original string
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* @param {String} value The original text
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* @param {Number} start The start index of the substring
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* @param {Number} length The length of the substring
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* @return {String} The substring
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*/
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substr : function(value, start, length){
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return String(value).substr(start, length);
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},
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<div id="method-Ext.util.Format-lowercase"></div>/**
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* Converts a string to all lower case letters
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* @param {String} value The text to convert
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* @return {String} The converted text
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*/
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lowercase : function(value){
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return String(value).toLowerCase();
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},
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<div id="method-Ext.util.Format-uppercase"></div>/**
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* Converts a string to all upper case letters
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* @param {String} value The text to convert
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* @return {String} The converted text
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*/
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uppercase : function(value){
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return String(value).toUpperCase();
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},
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<div id="method-Ext.util.Format-capitalize"></div>/**
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* Converts the first character only of a string to upper case
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* @param {String} value The text to convert
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* @return {String} The converted text
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*/
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capitalize : function(value){
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return !value ? value : value.charAt(0).toUpperCase() + value.substr(1).toLowerCase();
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},
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// private
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call : function(value, fn){
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if(arguments.length > 2){
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var args = Array.prototype.slice.call(arguments, 2);
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args.unshift(value);
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return eval(fn).apply(window, args);
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}else{
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return eval(fn).call(window, value);
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}
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},
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<div id="method-Ext.util.Format-usMoney"></div>/**
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* Format a number as US currency
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* @param {Number/String} value The numeric value to format
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* @return {String} The formatted currency string
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*/
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usMoney : function(v){
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v = (Math.round((v-0)*100))/100;
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v = (v == Math.floor(v)) ? v + ".00" : ((v*10 == Math.floor(v*10)) ? v + "0" : v);
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v = String(v);
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var ps = v.split('.'),
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whole = ps[0],
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sub = ps[1] ? '.'+ ps[1] : '.00',
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r = /(\d+)(\d{3})/;
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while (r.test(whole)) {
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whole = whole.replace(r, '$1' + ',' + '$2');
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}
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v = whole + sub;
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if(v.charAt(0) == '-'){
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return '-$' + v.substr(1);
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}
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return "$" + v;
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},
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<div id="method-Ext.util.Format-date"></div>/**
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* Parse a value into a formatted date using the specified format pattern.
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* @param {String/Date} value The value to format (Strings must conform to the format expected by the javascript Date object's <a href="http://www.w3schools.com/jsref/jsref_parse.asp">parse()</a> method)
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* @param {String} format (optional) Any valid date format string (defaults to 'm/d/Y')
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* @return {String} The formatted date string
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*/
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date : function(v, format){
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if(!v){
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return "";
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}
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if(!Ext.isDate(v)){
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v = new Date(Date.parse(v));
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}
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return v.dateFormat(format || "m/d/Y");
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},
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<div id="method-Ext.util.Format-dateRenderer"></div>/**
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* Returns a date rendering function that can be reused to apply a date format multiple times efficiently
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* @param {String} format Any valid date format string
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* @return {Function} The date formatting function
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*/
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dateRenderer : function(format){
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return function(v){
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return Ext.util.Format.date(v, format);
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};
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},
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<div id="method-Ext.util.Format-stripTags"></div>/**
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* Strips all HTML tags
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* @param {Mixed} value The text from which to strip tags
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* @return {String} The stripped text
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*/
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stripTags : function(v){
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return !v ? v : String(v).replace(stripTagsRE, "");
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},
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<div id="method-Ext.util.Format-stripScripts"></div>/**
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* Strips all script tags
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* @param {Mixed} value The text from which to strip script tags
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* @return {String} The stripped text
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*/
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stripScripts : function(v){
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return !v ? v : String(v).replace(stripScriptsRe, "");
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},
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<div id="method-Ext.util.Format-fileSize"></div>/**
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* Simple format for a file size (xxx bytes, xxx KB, xxx MB)
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* @param {Number/String} size The numeric value to format
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* @return {String} The formatted file size
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*/
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fileSize : function(size){
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if(size < 1024) {
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return size + " bytes";
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} else if(size < 1048576) {
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return (Math.round(((size*10) / 1024))/10) + " KB";
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} else {
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return (Math.round(((size*10) / 1048576))/10) + " MB";
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}
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},
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<div id="method-Ext.util.Format-math"></div>/**
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* It does simple math for use in a template, for example:<pre><code>
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* var tpl = new Ext.Template('{value} * 10 = {value:math("* 10")}');
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* </code></pre>
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* @return {Function} A function that operates on the passed value.
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*/
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math : function(){
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var fns = {};
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return function(v, a){
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if(!fns[a]){
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fns[a] = new Function('v', 'return v ' + a + ';');
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}
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return fns[a](v);
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}
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}(),
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<div id="method-Ext.util.Format-round"></div>/**
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* Rounds the passed number to the required decimal precision.
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* @param {Number/String} value The numeric value to round.
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* @param {Number} precision The number of decimal places to which to round the first parameter's value.
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* @return {Number} The rounded value.
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*/
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round : function(value, precision) {
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var result = Number(value);
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if (typeof precision == 'number') {
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precision = Math.pow(10, precision);
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result = Math.round(value * precision) / precision;
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}
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return result;
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},
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<div id="method-Ext.util.Format-number"></div>/**
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* Formats the number according to the format string.
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* <div style="margin-left:40px">examples (123456.789):
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* <div style="margin-left:10px">
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* 0 - (123456) show only digits, no precision<br>
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* 0.00 - (123456.78) show only digits, 2 precision<br>
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* 0.0000 - (123456.7890) show only digits, 4 precision<br>
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* 0,000 - (123,456) show comma and digits, no precision<br>
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* 0,000.00 - (123,456.78) show comma and digits, 2 precision<br>
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* 0,0.00 - (123,456.78) shortcut method, show comma and digits, 2 precision<br>
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* To reverse the grouping (,) and decimal (.) for international numbers, add /i to the end.
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* For example: 0.000,00/i
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* </div></div>
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* @param {Number} v The number to format.
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* @param {String} format The way you would like to format this text.
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* @return {String} The formatted number.
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*/
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number: function(v, format) {
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if(!format){
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return v;
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}
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v = Ext.num(v, NaN);
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if (isNaN(v)){
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return '';
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}
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var comma = ',',
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dec = '.',
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i18n = false,
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neg = v < 0;
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v = Math.abs(v);
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if(format.substr(format.length - 2) == '/i'){
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format = format.substr(0, format.length - 2);
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i18n = true;
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comma = '.';
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dec = ',';
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}
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var hasComma = format.indexOf(comma) != -1,
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psplit = (i18n ? format.replace(/[^\d\,]/g, '') : format.replace(/[^\d\.]/g, '')).split(dec);
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if(1 < psplit.length){
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v = v.toFixed(psplit[1].length);
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}else if(2 < psplit.length){
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throw ('NumberFormatException: invalid format, formats should have no more than 1 period: ' + format);
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}else{
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v = v.toFixed(0);
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}
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var fnum = v.toString();
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if(hasComma){
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psplit = fnum.split('.');
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var cnum = psplit[0], parr = [], j = cnum.length, m = Math.floor(j / 3), n = cnum.length % 3 || 3;
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for(var i = 0; i < j; i += n){
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if(i != 0){
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n = 3;
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}
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parr[parr.length] = cnum.substr(i, n);
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m -= 1;
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}
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fnum = parr.join(comma);
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if(psplit[1]){
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fnum += dec + psplit[1];
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}
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}
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return (neg ? '-' : '') + format.replace(/[\d,?\.?]+/, fnum);
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},
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<div id="method-Ext.util.Format-numberRenderer"></div>/**
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* Returns a number rendering function that can be reused to apply a number format multiple times efficiently
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* @param {String} format Any valid number format string for {@link #number}
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* @return {Function} The number formatting function
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*/
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numberRenderer : function(format){
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return function(v){
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return Ext.util.Format.number(v, format);
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};
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},
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<div id="method-Ext.util.Format-plural"></div>/**
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* Selectively do a plural form of a word based on a numeric value. For example, in a template,
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* {commentCount:plural("Comment")} would result in "1 Comment" if commentCount was 1 or would be "x Comments"
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* if the value is 0 or greater than 1.
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* @param {Number} value The value to compare against
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* @param {String} singular The singular form of the word
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* @param {String} plural (optional) The plural form of the word (defaults to the singular with an "s")
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*/
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plural : function(v, s, p){
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return v +' ' + (v == 1 ? s : (p ? p : s+'s'));
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},
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<div id="method-Ext.util.Format-nl2br"></div>/**
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* Converts newline characters to the HTML tag <br/>
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* @param {String} The string value to format.
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* @return {String} The string with embedded <br/> tags in place of newlines.
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*/
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nl2br : function(v){
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return Ext.isEmpty(v) ? '' : v.replace(nl2brRe, '<br/>');
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}
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}
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}();
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</pre>
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