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4 <title>The source code</title>
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9 <pre class="prettyprint lang-js"><div id="cls-Ext.util.Cookies"></div>/**
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10 * @class Ext.util.Cookies
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11 * Utility class for managing and interacting with cookies.
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14 Ext.util.Cookies = {
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15 <div id="method-Ext.util.Cookies-set"></div>/**
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16 * Create a cookie with the specified name and value. Additional settings
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17 * for the cookie may be optionally specified (for example: expiration,
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18 * access restriction, SSL).
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19 * @param {String} name The name of the cookie to set.
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20 * @param {Mixed} value The value to set for the cookie.
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21 * @param {Object} expires (Optional) Specify an expiration date the
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22 * cookie is to persist until. Note that the specified Date object will
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23 * be converted to Greenwich Mean Time (GMT).
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24 * @param {String} path (Optional) Setting a path on the cookie restricts
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25 * access to pages that match that path. Defaults to all pages (<tt>'/'</tt>).
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26 * @param {String} domain (Optional) Setting a domain restricts access to
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27 * pages on a given domain (typically used to allow cookie access across
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28 * subdomains). For example, "extjs.com" will create a cookie that can be
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29 * accessed from any subdomain of extjs.com, including www.extjs.com,
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30 * support.extjs.com, etc.
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31 * @param {Boolean} secure (Optional) Specify true to indicate that the cookie
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32 * should only be accessible via SSL on a page using the HTTPS protocol.
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33 * Defaults to <tt>false</tt>. Note that this will only work if the page
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34 * calling this code uses the HTTPS protocol, otherwise the cookie will be
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35 * created with default options.
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37 set : function(name, value){
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38 var argv = arguments;
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39 var argc = arguments.length;
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40 var expires = (argc > 2) ? argv[2] : null;
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41 var path = (argc > 3) ? argv[3] : '/';
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42 var domain = (argc > 4) ? argv[4] : null;
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43 var secure = (argc > 5) ? argv[5] : false;
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44 document.cookie = name + "=" + escape(value) + ((expires === null) ? "" : ("; expires=" + expires.toGMTString())) + ((path === null) ? "" : ("; path=" + path)) + ((domain === null) ? "" : ("; domain=" + domain)) + ((secure === true) ? "; secure" : "");
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47 <div id="method-Ext.util.Cookies-get"></div>/**
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48 * Retrieves cookies that are accessible by the current page. If a cookie
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49 * does not exist, <code>get()</code> returns <tt>null</tt>. The following
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50 * example retrieves the cookie called "valid" and stores the String value
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51 * in the variable <tt>validStatus</tt>.
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53 * var validStatus = Ext.util.Cookies.get("valid");
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55 * @param {String} name The name of the cookie to get
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56 * @return {Mixed} Returns the cookie value for the specified name;
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57 * null if the cookie name does not exist.
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59 get : function(name){
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60 var arg = name + "=";
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61 var alen = arg.length;
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62 var clen = document.cookie.length;
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67 if(document.cookie.substring(i, j) == arg){
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68 return Ext.util.Cookies.getCookieVal(j);
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70 i = document.cookie.indexOf(" ", i) + 1;
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78 <div id="method-Ext.util.Cookies-clear"></div>/**
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79 * Removes a cookie with the provided name from the browser
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80 * if found by setting its expiration date to sometime in the past.
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81 * @param {String} name The name of the cookie to remove
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83 clear : function(name){
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84 if(Ext.util.Cookies.get(name)){
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85 document.cookie = name + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
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91 getCookieVal : function(offset){
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92 var endstr = document.cookie.indexOf(";", offset);
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94 endstr = document.cookie.length;
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96 return unescape(document.cookie.substring(offset, endstr));
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