root / trunk / web / dojo / dojox / rpc / OfflineRest.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.rpc.OfflineRest"]){ |
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| 9 | dojo._hasResource["dojox.rpc.OfflineRest"]=true; |
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| 10 | dojo.provide("dojox.rpc.OfflineRest");
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| 11 | dojo.require("dojox.data.ClientFilter");
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| 12 | dojo.require("dojox.rpc.Rest");
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| 13 | dojo.require("dojox.storage");
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| 14 | (function(){
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| 15 | var _1=dojox.rpc.Rest;
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| 16 | var _2="dojox_rpc_OfflineRest"; |
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| 17 | var _3;
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| 18 | var _4=_1._index;
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| 19 | dojox.storage.manager.addOnLoad(function(){
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| 20 | _3=dojox.storage.manager.available; |
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| 21 | for(var i in _4){ |
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| 22 | _5(_4[i],i); |
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| 23 | } |
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| 24 | }); |
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| 25 | var _6;
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| 26 | function _7(_8){ |
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| 27 | return _8.replace(/[^0-9A-Za-z_]/g,"_"); |
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| 28 | }; |
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| 29 | function _5(_9,id){ |
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| 30 | if(_3&&!_6&&(id||(_9&&_9.__id))){
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| 31 | dojox.storage.put(_7(id||_9.__id),typeof _9=="object"?dojox.json.ref.toJson(_9):_9,function(){ |
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| 32 | },_2); |
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| 33 | } |
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| 34 | }; |
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| 35 | function _a(_b){ |
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| 36 | return _b instanceof Error&&(_b.status==503||_b.status>12000||!_b.status); |
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| 37 | }; |
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| 38 | function _c(){ |
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| 39 | if(_3){
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| 40 | var _d=dojox.storage.get("dirty",_2); |
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| 41 | if(_d){
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| 42 | for(var _e in _d){ |
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| 43 | _f(_e,_d); |
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| 44 | } |
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| 45 | } |
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| 46 | } |
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| 47 | }; |
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| 48 | var _10;
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| 49 | function _11(){ |
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| 50 | _10.sendChanges(); |
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| 51 | _10.downloadChanges(); |
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| 52 | }; |
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| 53 | var _12=setInterval(_11,15000); |
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| 54 | dojo.connect(document,"ononline",_11);
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| 55 | _10=dojox.rpc.OfflineRest={turnOffAutoSync:function(){
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| 56 | clearInterval(_12); |
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| 57 | },sync:_11,sendChanges:_c,downloadChanges:function(){ |
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| 58 | },addStore:function(_13,_14){ |
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| 59 | _10.stores.push(_13); |
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| 60 | _13.fetch({queryOptions:{cache:true},query:_14,onComplete:function(_15,_16){
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| 61 | _13._localBaseResults=_15; |
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| 62 | _13._localBaseFetch=_16; |
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| 63 | }}); |
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| 64 | }}; |
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| 65 | _10.stores=[]; |
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| 66 | var _17=_1._get;
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| 67 | _1._get=function(_18,id){ |
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| 68 | try{
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| 69 | _c(); |
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| 70 | if(window.navigator&&navigator.onLine===false){ |
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| 71 | throw new Error(); |
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| 72 | } |
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| 73 | var dfd=_17(_18,id);
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| 74 | } |
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| 75 | catch(e){
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| 76 | dfd=new dojo.Deferred();
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| 77 | dfd.errback(e); |
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| 78 | } |
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| 79 | var _19=dojox.rpc._sync;
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| 80 | dfd.addCallback(function(_1a){
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| 81 | _5(_1a,_18._getRequest(id).url); |
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| 82 | return _1a;
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| 83 | }); |
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| 84 | dfd.addErrback(function(_1b){
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| 85 | if(_3){
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| 86 | if(_a(_1b)){
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| 87 | var _1c={};
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| 88 | var _1d=function(id,_1e){ |
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| 89 | if(_1c[id]){
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| 90 | return _1e;
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| 91 | } |
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| 92 | var _1f=dojo.fromJson(dojox.storage.get(_7(id),_2))||_1e;
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| 93 | _1c[id]=_1f; |
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| 94 | for(var i in _1f){ |
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| 95 | var val=_1f[i];
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| 96 | id=val&&val.$ref;
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| 97 | if(id){
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| 98 | if(id.substring&&id.substring(0,4)=="cid:"){ |
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| 99 | id=id.substring(4);
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| 100 | } |
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| 101 | _1f[i]=_1d(id,val); |
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| 102 | } |
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| 103 | } |
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| 104 | if(_1f instanceof Array){ |
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| 105 | for(i=0;i<_1f.length;i++){ |
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| 106 | if(_1f[i]===undefined){ |
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| 107 | _1f.splice(i--,1);
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| 108 | } |
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| 109 | } |
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| 110 | } |
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| 111 | return _1f;
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| 112 | }; |
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| 113 | _6=true;
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| 114 | var _20=_1d(_18._getRequest(id).url);
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| 115 | if(!_20){
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| 116 | return _1b;
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| 117 | } |
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| 118 | _6=false;
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| 119 | return _20;
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| 120 | }else{
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| 121 | return _1b;
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| 122 | } |
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| 123 | }else{
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| 124 | if(_19){
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| 125 | return new Error("Storage manager not loaded, can not continue"); |
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| 126 | } |
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| 127 | dfd=new dojo.Deferred();
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| 128 | dfd.addCallback(arguments.callee);
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| 129 | dojox.storage.manager.addOnLoad(function(){
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| 130 | dfd.callback(); |
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| 131 | }); |
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| 132 | return dfd;
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| 133 | } |
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| 134 | }); |
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| 135 | return dfd;
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| 136 | }; |
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| 137 | function _21(_22,_23,_24,_25,_26){ |
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| 138 | if(_22=="delete"){ |
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| 139 | dojox.storage.remove(_7(_23),_2); |
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| 140 | }else{
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| 141 | dojox.storage.put(_7(_24),_25,function(){
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| 142 | },_2); |
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| 143 | } |
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| 144 | var _27=_26&&_26._store;
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| 145 | if(_27){
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| 146 | _27.updateResultSet(_27._localBaseResults,_27._localBaseFetch); |
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| 147 | dojox.storage.put(_7(_26._getRequest(_27._localBaseFetch.query).url),dojox.json.ref.toJson(_27._localBaseResults),function(){
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| 148 | },_2); |
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| 149 | } |
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| 150 | }; |
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| 151 | dojo.addOnLoad(function(){
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| 152 | dojo.connect(dojox.data,"restListener",function(_28){ |
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| 153 | var _29=_28.channel;
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| 154 | var _2a=_28.event.toLowerCase();
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| 155 | var _2b=dojox.rpc.JsonRest&&dojox.rpc.JsonRest.getServiceAndId(_29).service;
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| 156 | _21(_2a,_29,_2a=="post"?_29+_28.result.id:_29,dojo.toJson(_28.result),_2b);
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| 157 | }); |
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| 158 | }); |
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| 159 | var _2c=_1._change;
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| 160 | _1._change=function(_2d,_2e,id,_2f){ |
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| 161 | if(!_3){
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| 162 | return _2c.apply(this,arguments); |
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| 163 | } |
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| 164 | var _30=_2e._getRequest(id).url;
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| 165 | _21(_2d,_30,dojox.rpc.JsonRest._contentId,_2f,_2e); |
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| 166 | var _31=dojox.storage.get("dirty",_2)||{}; |
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| 167 | if(_2d=="put"||_2d=="delete"){ |
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| 168 | var _32=_30;
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| 169 | }else{
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| 170 | _32=0;
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| 171 | for(var i in _31){ |
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| 172 | if(!isNaN(parseInt(i))){
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| 173 | _32=i; |
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| 174 | } |
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| 175 | } |
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| 176 | _32++; |
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| 177 | } |
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| 178 | _31[_32]={method:_2d,id:_30,content:_2f};
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| 179 | return _f(_32,_31);
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| 180 | }; |
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| 181 | function _f(_33,_34){ |
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| 182 | var _35=_34[_33];
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| 183 | var _36=dojox.rpc.JsonRest.getServiceAndId(_35.id);
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| 184 | var _37=_2c(_35.method,_36.service,_36.id,_35.content);
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| 185 | _34[_33]=_35; |
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| 186 | dojox.storage.put("dirty",_34,function(){ |
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| 187 | },_2); |
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| 188 | _37.addBoth(function(_38){
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| 189 | if(_a(_38)){
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| 190 | return null; |
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| 191 | } |
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| 192 | var _39=dojox.storage.get("dirty",_2)||{}; |
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| 193 | delete _39[_33];
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| 194 | dojox.storage.put("dirty",_39,function(){ |
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| 195 | },_2); |
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| 196 | return _38;
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| 197 | }); |
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| 198 | return _37;
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| 199 | }; |
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| 200 | dojo.connect(_4,"onLoad",_5);
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| 201 | dojo.connect(_4,"onUpdate",_5);
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| 202 | })(); |
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| 203 | } |