/*!
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* Ext JS Library 3.1.0
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* Copyright(c) 2006-2009 Ext JS, LLC
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* licensing@extjs.com
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* http://www.extjs.com/license
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*/
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/**
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* @class Ext.data.SortTypes
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* @singleton
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* Defines the default sorting (casting?) comparison functions used when sorting data.
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*/
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Ext.data.SortTypes = {
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/**
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* Default sort that does nothing
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* @param {Mixed} s The value being converted
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* @return {Mixed} The comparison value
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*/
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none : function(s){
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return s;
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},
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/**
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* The regular expression used to strip tags
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* @type {RegExp}
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* @property
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*/
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stripTagsRE : /<\/?[^>]+>/gi,
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/**
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* Strips all HTML tags to sort on text only
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* @param {Mixed} s The value being converted
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* @return {String} The comparison value
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*/
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asText : function(s){
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return String(s).replace(this.stripTagsRE, "");
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},
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/**
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* Strips all HTML tags to sort on text only - Case insensitive
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* @param {Mixed} s The value being converted
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* @return {String} The comparison value
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*/
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asUCText : function(s){
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return String(s).toUpperCase().replace(this.stripTagsRE, "");
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},
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/**
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* Case insensitive string
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* @param {Mixed} s The value being converted
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* @return {String} The comparison value
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*/
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asUCString : function(s) {
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return String(s).toUpperCase();
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},
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/**
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* Date sorting
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* @param {Mixed} s The value being converted
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* @return {Number} The comparison value
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*/
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asDate : function(s) {
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if(!s){
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return 0;
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}
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if(Ext.isDate(s)){
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return s.getTime();
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}
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return Date.parse(String(s));
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},
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/**
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* Float sorting
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* @param {Mixed} s The value being converted
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* @return {Float} The comparison value
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*/
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asFloat : function(s) {
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var val = parseFloat(String(s).replace(/,/g, ""));
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return isNaN(val) ? 0 : val;
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},
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/**
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* Integer sorting
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* @param {Mixed} s The value being converted
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* @return {Number} The comparison value
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*/
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asInt : function(s) {
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var val = parseInt(String(s).replace(/,/g, ""), 10);
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return isNaN(val) ? 0 : val;
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}
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};
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