/*
	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.storage.GearsStorageProvider"]){dojo._hasResource["dojox.storage.GearsStorageProvider"]=true;dojo.provide("dojox.storage.GearsStorageProvider");dojo.require("dojo.gears");dojo.require("dojox.storage.Provider");dojo.require("dojox.storage.manager");dojo.require("dojox.sql");if(dojo.gears.available){(function(){dojo.declare("dojox.storage.GearsStorageProvider",dojox.storage.Provider,{constructor:function(){},TABLE_NAME:"__DOJO_STORAGE",initialized:false,_available:null,_storageReady:false,initialize:function(){if(dojo.config["disableGearsStorage"]==true){return;}this.TABLE_NAME="__DOJO_STORAGE";this.initialized=true;dojox.storage.manager.loaded();},isAvailable:function(){return this._available=dojo.gears.available;},put:function(_1,_2,_3,_4){this._initStorage();if(!this.isValidKey(_1)){throw new Error("Invalid key given: "+_1);}_4=_4||this.DEFAULT_NAMESPACE;if(!this.isValidKey(_4)){throw new Error("Invalid namespace given: "+_1);}if(dojo.isString(_2)){_2="string:"+_2;}else{_2=dojo.toJson(_2);}try{dojox.sql("DELETE FROM "+this.TABLE_NAME+" WHERE namespace = ? AND key = ?",_4,_1);dojox.sql("INSERT INTO "+this.TABLE_NAME+" VALUES (?, ?, ?)",_4,_1,_2);}catch(e){_3(this.FAILED,_1,e.toString(),_4);return;}if(_3){_3(dojox.storage.SUCCESS,_1,null,_4);}},get:function(_5,_6){this._initStorage();if(!this.isValidKey(_5)){throw new Error("Invalid key given: "+_5);}_6=_6||this.DEFAULT_NAMESPACE;if(!this.isValidKey(_6)){throw new Error("Invalid namespace given: "+_5);}var _7=dojox.sql("SELECT * FROM "+this.TABLE_NAME+" WHERE namespace = ? AND "+" key = ?",_6,_5);if(!_7.length){return null;}else{_7=_7[0].value;}if(dojo.isString(_7)&&(/^string:/.test(_7))){_7=_7.substring("string:".length);}else{_7=dojo.fromJson(_7);}return _7;},getNamespaces:function(){this._initStorage();var _8=[dojox.storage.DEFAULT_NAMESPACE];var rs=dojox.sql("SELECT namespace FROM "+this.TABLE_NAME+" DESC GROUP BY namespace");for(var i=0;i<rs.length;i++){if(rs[i].namespace!=dojox.storage.DEFAULT_NAMESPACE){_8.push(rs[i].namespace);}}return _8;},getKeys:function(_9){this._initStorage();_9=_9||this.DEFAULT_NAMESPACE;if(!this.isValidKey(_9)){throw new Error("Invalid namespace given: "+_9);}var rs=dojox.sql("SELECT key FROM "+this.TABLE_NAME+" WHERE namespace = ?",_9);var _a=[];for(var i=0;i<rs.length;i++){_a.push(rs[i].key);}return _a;},clear:function(_b){this._initStorage();_b=_b||this.DEFAULT_NAMESPACE;if(!this.isValidKey(_b)){throw new Error("Invalid namespace given: "+_b);}dojox.sql("DELETE FROM "+this.TABLE_NAME+" WHERE namespace = ?",_b);},remove:function(_c,_d){this._initStorage();if(!this.isValidKey(_c)){throw new Error("Invalid key given: "+_c);}_d=_d||this.DEFAULT_NAMESPACE;if(!this.isValidKey(_d)){throw new Error("Invalid namespace given: "+_c);}dojox.sql("DELETE FROM "+this.TABLE_NAME+" WHERE namespace = ? AND"+" key = ?",_d,_c);},putMultiple:function(_e,_f,_10,_11){this._initStorage();if(!this.isValidKeyArray(_e)||!_f instanceof Array||_e.length!=_f.length){throw new Error("Invalid arguments: keys = ["+_e+"], values = ["+_f+"]");}if(_11==null||typeof _11=="undefined"){_11=dojox.storage.DEFAULT_NAMESPACE;}if(!this.isValidKey(_11)){throw new Error("Invalid namespace given: "+_11);}this._statusHandler=_10;try{dojox.sql.open();dojox.sql.db.execute("BEGIN TRANSACTION");var _12="REPLACE INTO "+this.TABLE_NAME+" VALUES (?, ?, ?)";for(var i=0;i<_e.length;i++){var _13=_f[i];if(dojo.isString(_13)){_13="string:"+_13;}else{_13=dojo.toJson(_13);}dojox.sql.db.execute(_12,[_11,_e[i],_13]);}dojox.sql.db.execute("COMMIT TRANSACTION");dojox.sql.close();}catch(e){if(_10){_10(this.FAILED,_e,e.toString(),_11);}return;}if(_10){_10(dojox.storage.SUCCESS,_e,null,_11);}},getMultiple:function(_14,_15){this._initStorage();if(!this.isValidKeyArray(_14)){throw new ("Invalid key array given: "+_14);}if(_15==null||typeof _15=="undefined"){_15=dojox.storage.DEFAULT_NAMESPACE;}if(!this.isValidKey(_15)){throw new Error("Invalid namespace given: "+_15);}var _16="SELECT * FROM "+this.TABLE_NAME+" WHERE namespace = ? AND "+" key = ?";var _17=[];for(var i=0;i<_14.length;i++){var _18=dojox.sql(_16,_15,_14[i]);if(!_18.length){_17[i]=null;}else{_18=_18[0].value;if(dojo.isString(_18)&&(/^string:/.test(_18))){_17[i]=_18.substring("string:".length);}else{_17[i]=dojo.fromJson(_18);}}}return _17;},removeMultiple:function(_19,_1a){this._initStorage();if(!this.isValidKeyArray(_19)){throw new Error("Invalid arguments: keys = ["+_19+"]");}if(_1a==null||typeof _1a=="undefined"){_1a=dojox.storage.DEFAULT_NAMESPACE;}if(!this.isValidKey(_1a)){throw new Error("Invalid namespace given: "+_1a);}dojox.sql.open();dojox.sql.db.execute("BEGIN TRANSACTION");var _1b="DELETE FROM "+this.TABLE_NAME+" WHERE namespace = ? AND key = ?";for(var i=0;i<_19.length;i++){dojox.sql.db.execute(_1b,[_1a,_19[i]]);}dojox.sql.db.execute("COMMIT TRANSACTION");dojox.sql.close();},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");},_initStorage:function(){if(this._storageReady){return;}if(!google.gears.factory.hasPermission){var _1c=null;var _1d=null;var msg="This site would like to use Google Gears to enable "+"enhanced functionality.";var _1e=google.gears.factory.getPermission(_1c,_1d,msg);if(!_1e){throw new Error("You must give permission to use Gears in order to "+"store data");}}try{dojox.sql("CREATE TABLE IF NOT EXISTS "+this.TABLE_NAME+"( "+" namespace TEXT, "+" key TEXT, "+" value TEXT "+")");dojox.sql("CREATE UNIQUE INDEX IF NOT EXISTS namespace_key_index"+" ON "+this.TABLE_NAME+" (namespace, key)");}catch(e){throw new Error("Unable to create storage tables for Gears in "+"Dojo Storage");}this._storageReady=true;}});dojox.storage.manager.register("dojox.storage.GearsStorageProvider",new dojox.storage.GearsStorageProvider());})();}}