1 /**

     2  * @author ryan

     3  */

     4 

     5 function Storage() {

     6 	this.available = true;

     7 	this.serialized = null;

     8 	this.items = null;

     9 	

    10 	if (!window.widget) {

    11 		this.available = false;

    12 		return;

    13 	}

    14 	var pref = window.widget.preferenceForKey(Storage.PREFERENCE_KEY);

    15 	

    16 	//storage not yet created

    17 	if (pref == "undefined" || pref == undefined) {

    18 		this.length = 0;

    19 		this.serialized = "({})";

    20 		this.items = {};

    21 		window.widget.setPreferenceForKey(this.serialized, Storage.PREFERENCE_KEY);

    22 	} else {

    23 		this.serialized = pref;'({"store_test": { "key": "store_test", "data": "asdfasdfs" },})';

    24 		this.items = eval(this.serialized);

    25 	}

    26 }

    27 

    28 Storage.PREFERENCE_KEY = "phonegap_storage_pref_key";

    29 

    30 Storage.prototype.index = function (key) {

    31 	

    32 };

    33 

    34 Storage.prototype.getItem = function (key) {

    35 	try {

    36 		return this.items[key].data;

    37 	} catch (ex) {

    38 		return null;

    39 	}

    40 };

    41 

    42 Storage.prototype.setItem = function (key, data) {

    43 

    44 	this.items[key] = {

    45 		"key": key,

    46 		"data": data

    47 	};

    48 	

    49 	this.serialize();

    50 };

    51 

    52 Storage.prototype.removeItem = function (key) {

    53 

    54 	if (this.items[key]) {

    55 		this.items[key] = undefined;

    56 	}

    57 	this.serialize();

    58 };

    59 

    60 Storage.prototype.clear = function () {

    61 	this.serialized = "({})";

    62 	this.items = {};

    63 	this.serialize();

    64 };

    65 

    66 Storage.prototype.serialize = function() {

    67 	var json = "";

    68 	

    69 	for (key in this.items) {

    70 		var item = this.items[key];

    71 		if (typeof item != "undefined") {

    72 			json += "\"" + item.key + "\": { \"key\": \"" + item.key + "\", \"data\": \"" + item.data + "\" }, ";

    73 		}

    74 	}

    75 	this.serialized = "({" + json + "})";

    76 

    77 	window.widget.setPreferenceForKey( this.serialized, Storage.PREFERENCE_KEY);

    78 };

    79 

    80 if (typeof navigator.storage == "undefined" ) navigator.storage = new Storage();