summaryrefslogtreecommitdiff
path: root/includes/js/dojox/storage/AirFileStorageProvider.js
diff options
context:
space:
mode:
authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/storage/AirFileStorageProvider.js
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadsemanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
semanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.bz2
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
Diffstat (limited to 'includes/js/dojox/storage/AirFileStorageProvider.js')
-rw-r--r--includes/js/dojox/storage/AirFileStorageProvider.js232
1 files changed, 232 insertions, 0 deletions
diff --git a/includes/js/dojox/storage/AirFileStorageProvider.js b/includes/js/dojox/storage/AirFileStorageProvider.js
new file mode 100644
index 0000000..8187a6c
--- /dev/null
+++ b/includes/js/dojox/storage/AirFileStorageProvider.js
@@ -0,0 +1,232 @@
+if(!dojo._hasResource["dojox.storage.AirFileStorageProvider"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.storage.AirFileStorageProvider"] = true;
+dojo.provide("dojox.storage.AirFileStorageProvider");
+dojo.require("dojox.storage.manager");
+dojo.require("dojox.storage.Provider");
+
+if (dojo.isAIR) {
+ (function(){
+
+ if (!air) {
+ var air = {};
+ }
+ air.File = window.runtime.flash.filesystem.File;
+ air.FileStream = window.runtime.flash.filesystem.FileStream;
+ air.FileMode = window.runtime.flash.filesystem.FileMode;
+
+ // summary:
+ // Storage provider that uses features in the Adobe AIR runtime to achieve
+ // permanent storage
+ dojo.declare("dojox.storage.AirFileStorageProvider", [ dojox.storage.Provider ], {
+ initialized: false,
+
+ _storagePath: "__DOJO_STORAGE/",
+
+ initialize: function(){
+ this.initialized = false;
+
+ // need to initialize our storage directory
+ try{
+ var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath);
+ if (!dir.exists){
+ dir.createDirectory();
+ }
+ this.initialized = true;
+ }catch(e){
+ console.debug("dojox.storage.AirFileStorageProvider.initialize:", e);
+ }
+
+ // indicate that this storage provider is now loaded
+ dojox.storage.manager.loaded();
+ },
+
+ isAvailable: function(){
+ return true;
+ },
+
+ 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{
+ this.remove(key, namespace);
+
+ var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace);
+ if (!dir.exists){
+ dir.createDirectory();
+ }
+
+ var file = dir.resolvePath(key);
+ var stream = new air.FileStream();
+ stream.open(file, air.FileMode.WRITE);
+ stream.writeObject(value);
+ stream.close();
+ }catch(e){
+ // indicate we failed
+ console.debug("dojox.storage.AirFileStorageProvider.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;
+
+ var results = null;
+
+ var file = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace + '/' + key);
+ if (file.exists && !file.isDirectory){
+ var stream = new air.FileStream();
+ stream.open(file, air.FileMode.READ);
+ results = stream.readObject();
+ stream.close();
+ }
+
+ return results;
+ },
+
+ getNamespaces: function(){
+ var results = [ this.DEFAULT_NAMESPACE ];
+ var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath);
+ var files = dir.getDirectoryListing();
+ for (i = 0; i < files.length; i++) {
+ if(files[i].isDirectory && files[i].name != this.DEFAULT_NAMESPACE){
+ results.push(files[i].name);
+ }
+ }
+ 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 dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace);
+ if (dir.exists && dir.isDirectory){
+ var files = dir.getDirectoryListing();
+ for (i = 0; i < files.length; i++) {
+ results.push(files[i].name);
+ }
+ }
+ return results;
+ },
+
+ clear: function(namespace){
+ if(this.isValidKey(namespace) == false){
+ throw new Error("Invalid namespace given: " + namespace);
+ }
+ var dir = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace);
+ if (dir.exists && dir.isDirectory){
+ dir.deleteDirectory(true);
+ }
+ },
+
+ remove: function(key, namespace){
+ namespace = namespace||this.DEFAULT_NAMESPACE;
+ var file = air.File.applicationStorageDirectory.resolvePath(this._storagePath + namespace + '/' + key);
+ if (file.exists && !file.isDirectory){
+ file.deleteFile();
+ }
+ },
+
+ 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.AirFileStorageProvider.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.AirFileStorageProvider", new dojox.storage.AirFileStorageProvider());
+ dojox.storage.manager.initialize();
+ })();
+}
+
+}