/*
	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.rpc.OfflineRest"]){dojo._hasResource["dojox.rpc.OfflineRest"]=true;dojo.provide("dojox.rpc.OfflineRest");dojo.require("dojox.data.ClientFilter");dojo.require("dojox.rpc.Rest");dojo.require("dojox.storage");(function(){var _1=dojox.rpc.Rest;var _2="dojox_rpc_OfflineRest";var _3;var _4=_1._index;dojox.storage.manager.addOnLoad(function(){_3=dojox.storage.manager.available;for(var i in _4){_5(_4[i],i);}});var _6;function _7(_8){return _8.replace(/[^0-9A-Za-z_]/g,"_");};function _5(_9,id){if(_3&&!_6&&(id||(_9&&_9.__id))){dojox.storage.put(_7(id||_9.__id),typeof _9=="object"?dojox.json.ref.toJson(_9):_9,function(){},_2);}};function _a(_b){return _b instanceof Error&&(_b.status==503||_b.status>12000||!_b.status);};function _c(){if(_3){var _d=dojox.storage.get("dirty",_2);if(_d){for(var _e in _d){_f(_e,_d);}}}};var _10;function _11(){_10.sendChanges();_10.downloadChanges();};var _12=setInterval(_11,15000);dojo.connect(document,"ononline",_11);_10=dojox.rpc.OfflineRest={turnOffAutoSync:function(){clearInterval(_12);},sync:_11,sendChanges:_c,downloadChanges:function(){},addStore:function(_13,_14){_10.stores.push(_13);_13.fetch({queryOptions:{cache:true},query:_14,onComplete:function(_15,_16){_13._localBaseResults=_15;_13._localBaseFetch=_16;}});}};_10.stores=[];var _17=_1._get;_1._get=function(_18,id){try{_c();if(window.navigator&&navigator.onLine===false){throw new Error();}var dfd=_17(_18,id);}catch(e){dfd=new dojo.Deferred();dfd.errback(e);}var _19=dojox.rpc._sync;dfd.addCallback(function(_1a){_5(_1a,_18._getRequest(id).url);return _1a;});dfd.addErrback(function(_1b){if(_3){if(_a(_1b)){var _1c={};var _1d=function(id,_1e){if(_1c[id]){return _1e;}var _1f=dojo.fromJson(dojox.storage.get(_7(id),_2))||_1e;_1c[id]=_1f;for(var i in _1f){var val=_1f[i];id=val&&val.$ref;if(id){if(id.substring&&id.substring(0,4)=="cid:"){id=id.substring(4);}_1f[i]=_1d(id,val);}}if(_1f instanceof Array){for(i=0;i<_1f.length;i++){if(_1f[i]===undefined){_1f.splice(i--,1);}}}return _1f;};_6=true;var _20=_1d(_18._getRequest(id).url);if(!_20){return _1b;}_6=false;return _20;}else{return _1b;}}else{if(_19){return new Error("Storage manager not loaded, can not continue");}dfd=new dojo.Deferred();dfd.addCallback(arguments.callee);dojox.storage.manager.addOnLoad(function(){dfd.callback();});return dfd;}});return dfd;};function _21(_22,_23,_24,_25,_26){if(_22=="delete"){dojox.storage.remove(_7(_23),_2);}else{dojox.storage.put(_7(_24),_25,function(){},_2);}var _27=_26&&_26._store;if(_27){_27.updateResultSet(_27._localBaseResults,_27._localBaseFetch);dojox.storage.put(_7(_26._getRequest(_27._localBaseFetch.query).url),dojox.json.ref.toJson(_27._localBaseResults),function(){},_2);}};dojo.addOnLoad(function(){dojo.connect(dojox.data,"restListener",function(_28){var _29=_28.channel;var _2a=_28.event.toLowerCase();var _2b=dojox.rpc.JsonRest&&dojox.rpc.JsonRest.getServiceAndId(_29).service;_21(_2a,_29,_2a=="post"?_29+_28.result.id:_29,dojo.toJson(_28.result),_2b);});});var _2c=_1._change;_1._change=function(_2d,_2e,id,_2f){if(!_3){return _2c.apply(this,arguments);}var _30=_2e._getRequest(id).url;_21(_2d,_30,dojox.rpc.JsonRest._contentId,_2f,_2e);var _31=dojox.storage.get("dirty",_2)||{};if(_2d=="put"||_2d=="delete"){var _32=_30;}else{_32=0;for(var i in _31){if(!isNaN(parseInt(i))){_32=i;}}_32++;}_31[_32]={method:_2d,id:_30,content:_2f};return _f(_32,_31);};function _f(_33,_34){var _35=_34[_33];var _36=dojox.rpc.JsonRest.getServiceAndId(_35.id);var _37=_2c(_35.method,_36.service,_36.id,_35.content);_34[_33]=_35;dojox.storage.put("dirty",_34,function(){},_2);_37.addBoth(function(_38){if(_a(_38)){return null;}var _39=dojox.storage.get("dirty",_2)||{};delete _39[_33];dojox.storage.put("dirty",_39,function(){},_2);return _38;});return _37;};dojo.connect(_4,"onLoad",_5);dojo.connect(_4,"onUpdate",_5);})();}