diff options
Diffstat (limited to 'js/dojo-1.7.2/dojox/storage/CookieStorageProvider.js')
| -rw-r--r-- | js/dojo-1.7.2/dojox/storage/CookieStorageProvider.js | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/js/dojo-1.7.2/dojox/storage/CookieStorageProvider.js b/js/dojo-1.7.2/dojox/storage/CookieStorageProvider.js new file mode 100644 index 0000000..292a347 --- /dev/null +++ b/js/dojo-1.7.2/dojox/storage/CookieStorageProvider.js @@ -0,0 +1,207 @@ +//>>built +// wrapped by build app +define("dojox/storage/CookieStorageProvider", ["dijit","dojo","dojox","dojo/require!dojox/storage/Provider,dojox/storage/manager,dojo/cookie"], function(dijit,dojo,dojox){ +dojo.provide("dojox.storage.CookieStorageProvider"); + +dojo.require("dojox.storage.Provider"); +dojo.require("dojox.storage.manager"); +dojo.require("dojo.cookie"); + +dojo.declare( + "dojox.storage.CookieStorageProvider", + [dojox.storage.Provider], + { + store: null, + + cookieName: 'dojoxStorageCookie', + + storageLife: 730, // in days + + initialize: function(){ + + this.store = dojo.fromJson(dojo.cookie(this.cookieName)) || {}; + + this.initialized = true; + dojox.storage.manager.loaded(); + }, + + isAvailable: function(){ /*Boolean*/ + return dojo.cookie.isSupported(); + }, + + put: function( /*string*/ key, + /*object*/ value, + /*function*/ resultsHandler, + /*string?*/ namespace){ + + this._assertIsValidKey(key); + + namespace = namespace||this.DEFAULT_NAMESPACE; + this._assertIsValidNamespace(namespace); + + fullKey = this.getFullKey(key,namespace); + + this.store[fullKey] = dojo.toJson(value); + this._save(); + + var success = dojo.toJson(this.store) === dojo.cookie(this.cookieName); + + if(!success){ + this.remove(key,namespace); + } + + if(resultsHandler){ + resultsHandler(success ? this.SUCCESS : this.FAILED, key, null, namespace); + } + + }, + + get: function(/*string*/ key, /*string?*/ namespace){ /*Object*/ + this._assertIsValidKey(key); + + namespace = namespace||this.DEFAULT_NAMESPACE; + this._assertIsValidNamespace(namespace); + + // get our full key name, which is namespace + key + key = this.getFullKey(key, namespace); + + return this.store[key] ? dojo.fromJson(this.store[key]) : null; + }, + + getKeys: function(/*string?*/ namespace){ /*Array*/ + namespace = namespace||this.DEFAULT_NAMESPACE; + this._assertIsValidNamespace(namespace); + + namespace = '__'+namespace+'_'; + + var keys = []; + for(var currentKey in this.store){ + if(this._beginsWith(currentKey,namespace)){ + currentKey = currentKey.substring(namespace.length); + keys.push(currentKey); + } + } + + return keys; + }, + + clear: function(/*string?*/ namespace){ + namespace = namespace||this.DEFAULT_NAMESPACE; + this._assertIsValidNamespace(namespace); + + namespace = '__'+namespace+'_'; + + for(var currentKey in this.store){ + if(this._beginsWith(currentKey,namespace)){ + delete(this.store[currentKey]); + } + } + + this._save(); + }, + + remove: function(/*string*/ key, /*string?*/ namespace){ + namespace = namespace||this.DEFAULT_NAMESPACE; + this._assertIsValidNamespace(namespace); + + this._assertIsValidKey(key); + key = this.getFullKey(key, namespace); + + delete this.store[key]; + this._save(); + }, + + getNamespaces: function(){ /*string[]*/ + // There must be a better way than + // to execute a regex on *every* + // item in the store. + + var results = [this.DEFAULT_NAMESPACE]; + + var found = {}; + found[this.DEFAULT_NAMESPACE] = true; + var tester = /^__([^_]*)_/; + + for(var currentKey in this.store){ + if(tester.test(currentKey) == true){ + var currentNS = currentKey.match(tester)[1]; + if(typeof found[currentNS] == "undefined"){ + found[currentNS] = true; + results.push(currentNS); + } + } + } + + return results; + }, + + isPermanent: function(){ /*Boolean*/ + return true; + }, + + getMaximumSize: function(){ /* mixed */ + return 4; + }, + + hasSettingsUI: function(){ /*Boolean*/ + return false; + }, + + isValidKey: function(/*string*/ keyName){ /*Boolean*/ + if(keyName === null || keyName === undefined){ + return false; + } + + return /^[0-9A-Za-z_-]*$/.test(keyName); + }, + + isValidNamespace: function(/*string*/ keyName){ /*Boolean*/ + // we *must* prevent namespaces from having + // underscores - else lookup of namespaces + // via RegEx (e.g. in getNamespaces ) would + // return wrong results. + // + // The only way around this would be to + // disallow underscores in keys. + + if(keyName === null || keyName === undefined){ + return false; + } + + return /^[0-9A-Za-z-]*$/.test(keyName); + }, + + getFullKey: function(key, namespace){ + // checks for valid namespace and + // key are already performed. + return "__" + namespace + "_" + key; + }, + + _save: function(){ + dojo.cookie(this.cookieName,dojo.toJson(this.store),{expires: this.storageLife}); + }, + + _beginsWith: function(/* string */ haystack, /* string */ needle) { + if(needle.length > haystack.length) { + return false; + } + return haystack.substring(0,needle.length) === needle; + }, + + _assertIsValidNamespace: function(/* string */ namespace){ + if(this.isValidNamespace(namespace) === false){ + throw new Error("Invalid namespace given: " + namespace); + } + }, + + _assertIsValidKey: function(/* string */ key){ + if(this.isValidKey(key) === false){ + throw new Error("Invalid key given: " + key); + } + } + } +); + +dojox.storage.manager.register("dojox.storage.CookieStorageProvider", new dojox.storage.CookieStorageProvider()); + +}); |
