From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001
From: mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>
Date: Thu, 13 Nov 2008 09:49:11 +0000
Subject: New feature: basic Ajax suggestion for tags and implementation of
 Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
---
 .../storage/AirEncryptedLocalStorageProvider.js    | 221 +++++++++++++++++++++
 1 file changed, 221 insertions(+)
 create mode 100644 includes/js/dojox/storage/AirEncryptedLocalStorageProvider.js

(limited to 'includes/js/dojox/storage/AirEncryptedLocalStorageProvider.js')

diff --git a/includes/js/dojox/storage/AirEncryptedLocalStorageProvider.js b/includes/js/dojox/storage/AirEncryptedLocalStorageProvider.js
new file mode 100644
index 0000000..500ac0f
--- /dev/null
+++ b/includes/js/dojox/storage/AirEncryptedLocalStorageProvider.js
@@ -0,0 +1,221 @@
+if(!dojo._hasResource["dojox.storage.AirEncryptedLocalStorageProvider"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.storage.AirEncryptedLocalStorageProvider"] = true;
+dojo.provide("dojox.storage.AirEncryptedLocalStorageProvider");
+dojo.require("dojox.storage.manager");
+dojo.require("dojox.storage.Provider");
+
+if (dojo.isAIR) {
+	(function(){
+		
+		if (!air) {
+			var air = {};
+		}
+		air.ByteArray = window.runtime.flash.utils.ByteArray;
+		air.EncryptedLocalStore = window.runtime.flash.data.EncryptedLocalStore,
+
+		// summary: 
+		//		Storage provider that uses features in the Adobe AIR runtime to achieve
+		//		permanent storage
+		dojo.declare("dojox.storage.AirEncryptedLocalStorageProvider", [ dojox.storage.Provider ], {
+			initialize: function(){
+				// indicate that this storage provider is now loaded
+				dojox.storage.manager.loaded();
+			},
+	
+			isAvailable: function(){
+				return true;
+			},
+			
+			_getItem: function(key){
+				var storedValue = air.EncryptedLocalStore.getItem("__dojo_" + key);
+				return storedValue ? storedValue.readUTFBytes(storedValue.length) : "";
+			},
+			
+			_setItem: function(key, value){
+				var bytes = new air.ByteArray();
+				bytes.writeUTFBytes(value);
+				air.EncryptedLocalStore.setItem("__dojo_" + key, bytes);
+			},
+			
+			_removeItem: function(key){
+				air.EncryptedLocalStore.removeItem("__dojo_" + key);
+			},
+			
+			put: function(key, value, resultsHandler, namespace){
+				if(this.isValidKey(key) == false){
+					throw new Error("Invalid key given: " + key);
+				}
+				namespace = namespace||this.DEFAULT_NAMESPACE;
+				if(this.isValidKey(namespace) == false){
+					throw new Error("Invalid namespace given: " + namespace);
+				}
+				
+				// try to store the value	
+				try{
+					var namespaces = this._getItem("namespaces")||'|';
+					if(namespaces.indexOf('|'+namespace+'|')==-1){
+						this._setItem("namespaces", namespaces + namespace + '|');
+					}
+					var keys = this._getItem(namespace + "_keys")||'|';
+					if(keys.indexOf('|'+key+'|')==-1){
+						this._setItem(namespace + "_keys", keys + key + '|');
+					}
+					this._setItem('_' + namespace + '_' + key, value);
+				}catch(e){
+					// indicate we failed
+					console.debug("dojox.storage.AirEncryptedLocalStorageProvider.put:", e);
+					resultsHandler(this.FAILED, key, e.toString());
+					return;
+				}
+				
+				if(resultsHandler){
+					resultsHandler(this.SUCCESS, key, null);
+				}
+			},
+			
+			get: function(key, namespace){
+				if(this.isValidKey(key) == false){
+					throw new Error("Invalid key given: " + key);
+				}
+				namespace = namespace||this.DEFAULT_NAMESPACE;
+				return this._getItem('_' + namespace + '_' + key);
+			},
+			
+			getNamespaces: function(){
+				var results = [ this.DEFAULT_NAMESPACE ];
+				var namespaces = (this._getItem("namespaces")||'|').split('|');
+				for (var i=0;i<namespaces.length;i++){
+					if(namespaces[i].length && namespaces[i] != this.DEFAULT_NAMESPACE){
+						results.push(namespaces[i]);
+					}
+				}
+				return results;
+			},
+
+			getKeys: function(namespace){
+				namespace = namespace||this.DEFAULT_NAMESPACE;
+				if(this.isValidKey(namespace) == false){
+					throw new Error("Invalid namespace given: " + namespace);
+				}
+
+				var results = [];
+				var keys = (this._getItem(namespace + "_keys")||'|').split('|');
+				for (var i=0;i<keys.length;i++){
+					if (keys[i].length){
+						results.push(keys[i]);
+					}
+				}
+				return results;
+			},
+			
+			clear: function(namespace){
+				if(this.isValidKey(namespace) == false){
+					throw new Error("Invalid namespace given: " + namespace);
+				}
+				var namespaces = this._getItem("namespaces")||'|';
+				if(namespaces.indexOf('|'+namespace+'|')!=-1){
+					this._setItem("namespaces", namespaces.replace('|' + namespace + '|', '|'));
+				}
+				var keys = (this._getItem(namespace + "_keys")||'|').split('|');
+				for (var i=0;i<keys.length;i++){
+					if (keys[i].length){
+						this._removeItem(namespace + "_" + keys[i]);
+					}
+				}
+				this._removeItem(namespace + "_keys");
+			},
+			
+			remove: function(key, namespace){
+				namespace = namespace||this.DEFAULT_NAMESPACE;
+				
+				var keys = this._getItem(namespace + "_keys")||'|';
+				if(keys.indexOf('|'+key+'|')!=-1){
+					this._setItem(namespace + "_keys", keys.replace('|' + key + '|', '|'));
+				}
+				this._removeItem('_' + namespace + '_' + key);
+			},
+			
+			putMultiple: function(keys, values, resultsHandler, namespace) {
+ 				if(this.isValidKeyArray(keys) === false 
+						|| ! values instanceof Array 
+						|| keys.length != values.length){
+					throw new Error("Invalid arguments: keys = [" + keys + "], values = [" + values + "]");
+				}
+				
+				if(namespace == null || typeof namespace == "undefined"){
+					namespace = this.DEFAULT_NAMESPACE;		
+				}
+	
+				if(this.isValidKey(namespace) == false){
+					throw new Error("Invalid namespace given: " + namespace);
+				}
+	
+				this._statusHandler = resultsHandler;
+
+				// try to store the value	
+				try{
+					for(var i=0;i<keys.length;i++) {
+						this.put(keys[i], value[i], null, namespace);
+					}
+				}catch(e){
+					// indicate we failed
+					console.debug("dojox.storage.AirEncryptedLocalStorageProvider.putMultiple:", e);
+					if(resultsHandler){
+						resultsHandler(this.FAILED, keys, e.toString());
+					}
+					return;
+				}
+				
+				if(resultsHandler){
+					resultsHandler(this.SUCCESS, key, null);
+				}
+			},
+
+			getMultiple: function(keys, namespace){
+				if(this.isValidKeyArray(keys) === false){
+					throw new Error("Invalid key array given: " + keys);
+				}
+				
+				if(namespace == null || typeof namespace == "undefined"){
+					namespace = this.DEFAULT_NAMESPACE;		
+				}
+				
+				if(this.isValidKey(namespace) == false){
+					throw new Error("Invalid namespace given: " + namespace);
+				}
+		
+				var results = [];
+				for(var i=0;i<keys.length;i++){
+					results[i] = this.get(keys[i], namespace);
+				}
+				return results;
+			},
+			
+			removeMultiple: function(keys, namespace){
+				namespace = namespace||this.DEFAULT_NAMESPACE;
+				for(var i=0;i<keys.length;i++){
+					this.remove(keys[i], namespace);
+				}
+			}, 				
+			
+			isPermanent: function(){ return true; },
+
+			getMaximumSize: function(){ return this.SIZE_NO_LIMIT; },
+
+			hasSettingsUI: function(){ return false; },
+			
+			showSettingsUI: function(){
+				throw new Error(this.declaredClass + " does not support a storage settings user-interface");
+			},
+			
+			hideSettingsUI: function(){
+				throw new Error(this.declaredClass + " does not support a storage settings user-interface");
+			}
+		});
+
+		dojox.storage.manager.register("dojox.storage.AirEncryptedLocalStorageProvider", new dojox.storage.AirEncryptedLocalStorageProvider());
+		dojox.storage.manager.initialize();
+	})();
+}
+
+}
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