root / trunk / web / dojo / dojox / rpc / OfflineRest.js @ 13
History | View | Annotate | Download (4.14 KB)
| 1 | 9 | andrej.cim | /*
|
|---|---|---|---|
| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
|
||
| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
|
||
| 4 | see: http://dojotoolkit.org/license for details
|
||
| 5 | */
|
||
| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.rpc.OfflineRest"]){ |
||
| 9 | dojo._hasResource["dojox.rpc.OfflineRest"]=true; |
||
| 10 | dojo.provide("dojox.rpc.OfflineRest");
|
||
| 11 | dojo.require("dojox.data.ClientFilter");
|
||
| 12 | dojo.require("dojox.rpc.Rest");
|
||
| 13 | dojo.require("dojox.storage");
|
||
| 14 | (function(){
|
||
| 15 | var _1=dojox.rpc.Rest;
|
||
| 16 | var _2="dojox_rpc_OfflineRest"; |
||
| 17 | var _3;
|
||
| 18 | var _4=_1._index;
|
||
| 19 | dojox.storage.manager.addOnLoad(function(){
|
||
| 20 | _3=dojox.storage.manager.available; |
||
| 21 | for(var i in _4){ |
||
| 22 | _5(_4[i],i); |
||
| 23 | } |
||
| 24 | }); |
||
| 25 | var _6;
|
||
| 26 | function _7(_8){ |
||
| 27 | return _8.replace(/[^0-9A-Za-z_]/g,"_"); |
||
| 28 | }; |
||
| 29 | function _5(_9,id){ |
||
| 30 | if(_3&&!_6&&(id||(_9&&_9.__id))){
|
||
| 31 | dojox.storage.put(_7(id||_9.__id),typeof _9=="object"?dojox.json.ref.toJson(_9):_9,function(){ |
||
| 32 | },_2); |
||
| 33 | } |
||
| 34 | }; |
||
| 35 | function _a(_b){ |
||
| 36 | return _b instanceof Error&&(_b.status==503||_b.status>12000||!_b.status); |
||
| 37 | }; |
||
| 38 | function _c(){ |
||
| 39 | if(_3){
|
||
| 40 | var _d=dojox.storage.get("dirty",_2); |
||
| 41 | if(_d){
|
||
| 42 | for(var _e in _d){ |
||
| 43 | _f(_e,_d); |
||
| 44 | } |
||
| 45 | } |
||
| 46 | } |
||
| 47 | }; |
||
| 48 | var _10;
|
||
| 49 | function _11(){ |
||
| 50 | _10.sendChanges(); |
||
| 51 | _10.downloadChanges(); |
||
| 52 | }; |
||
| 53 | var _12=setInterval(_11,15000); |
||
| 54 | dojo.connect(document,"ononline",_11);
|
||
| 55 | _10=dojox.rpc.OfflineRest={turnOffAutoSync:function(){
|
||
| 56 | clearInterval(_12); |
||
| 57 | },sync:_11,sendChanges:_c,downloadChanges:function(){ |
||
| 58 | },addStore:function(_13,_14){ |
||
| 59 | _10.stores.push(_13); |
||
| 60 | _13.fetch({queryOptions:{cache:true},query:_14,onComplete:function(_15,_16){
|
||
| 61 | _13._localBaseResults=_15; |
||
| 62 | _13._localBaseFetch=_16; |
||
| 63 | }}); |
||
| 64 | }}; |
||
| 65 | _10.stores=[]; |
||
| 66 | var _17=_1._get;
|
||
| 67 | _1._get=function(_18,id){ |
||
| 68 | try{
|
||
| 69 | _c(); |
||
| 70 | if(window.navigator&&navigator.onLine===false){ |
||
| 71 | throw new Error(); |
||
| 72 | } |
||
| 73 | var dfd=_17(_18,id);
|
||
| 74 | } |
||
| 75 | catch(e){
|
||
| 76 | dfd=new dojo.Deferred();
|
||
| 77 | dfd.errback(e); |
||
| 78 | } |
||
| 79 | var _19=dojox.rpc._sync;
|
||
| 80 | dfd.addCallback(function(_1a){
|
||
| 81 | _5(_1a,_18._getRequest(id).url); |
||
| 82 | return _1a;
|
||
| 83 | }); |
||
| 84 | dfd.addErrback(function(_1b){
|
||
| 85 | if(_3){
|
||
| 86 | if(_a(_1b)){
|
||
| 87 | var _1c={};
|
||
| 88 | var _1d=function(id,_1e){ |
||
| 89 | if(_1c[id]){
|
||
| 90 | return _1e;
|
||
| 91 | } |
||
| 92 | var _1f=dojo.fromJson(dojox.storage.get(_7(id),_2))||_1e;
|
||
| 93 | _1c[id]=_1f; |
||
| 94 | for(var i in _1f){ |
||
| 95 | var val=_1f[i];
|
||
| 96 | id=val&&val.$ref;
|
||
| 97 | if(id){
|
||
| 98 | if(id.substring&&id.substring(0,4)=="cid:"){ |
||
| 99 | id=id.substring(4);
|
||
| 100 | } |
||
| 101 | _1f[i]=_1d(id,val); |
||
| 102 | } |
||
| 103 | } |
||
| 104 | if(_1f instanceof Array){ |
||
| 105 | for(i=0;i<_1f.length;i++){ |
||
| 106 | if(_1f[i]===undefined){ |
||
| 107 | _1f.splice(i--,1);
|
||
| 108 | } |
||
| 109 | } |
||
| 110 | } |
||
| 111 | return _1f;
|
||
| 112 | }; |
||
| 113 | _6=true;
|
||
| 114 | var _20=_1d(_18._getRequest(id).url);
|
||
| 115 | if(!_20){
|
||
| 116 | return _1b;
|
||
| 117 | } |
||
| 118 | _6=false;
|
||
| 119 | return _20;
|
||
| 120 | }else{
|
||
| 121 | return _1b;
|
||
| 122 | } |
||
| 123 | }else{
|
||
| 124 | if(_19){
|
||
| 125 | return new Error("Storage manager not loaded, can not continue"); |
||
| 126 | } |
||
| 127 | dfd=new dojo.Deferred();
|
||
| 128 | dfd.addCallback(arguments.callee);
|
||
| 129 | dojox.storage.manager.addOnLoad(function(){
|
||
| 130 | dfd.callback(); |
||
| 131 | }); |
||
| 132 | return dfd;
|
||
| 133 | } |
||
| 134 | }); |
||
| 135 | return dfd;
|
||
| 136 | }; |
||
| 137 | function _21(_22,_23,_24,_25,_26){ |
||
| 138 | if(_22=="delete"){ |
||
| 139 | dojox.storage.remove(_7(_23),_2); |
||
| 140 | }else{
|
||
| 141 | dojox.storage.put(_7(_24),_25,function(){
|
||
| 142 | },_2); |
||
| 143 | } |
||
| 144 | var _27=_26&&_26._store;
|
||
| 145 | if(_27){
|
||
| 146 | _27.updateResultSet(_27._localBaseResults,_27._localBaseFetch); |
||
| 147 | dojox.storage.put(_7(_26._getRequest(_27._localBaseFetch.query).url),dojox.json.ref.toJson(_27._localBaseResults),function(){
|
||
| 148 | },_2); |
||
| 149 | } |
||
| 150 | }; |
||
| 151 | dojo.addOnLoad(function(){
|
||
| 152 | dojo.connect(dojox.data,"restListener",function(_28){ |
||
| 153 | var _29=_28.channel;
|
||
| 154 | var _2a=_28.event.toLowerCase();
|
||
| 155 | var _2b=dojox.rpc.JsonRest&&dojox.rpc.JsonRest.getServiceAndId(_29).service;
|
||
| 156 | _21(_2a,_29,_2a=="post"?_29+_28.result.id:_29,dojo.toJson(_28.result),_2b);
|
||
| 157 | }); |
||
| 158 | }); |
||
| 159 | var _2c=_1._change;
|
||
| 160 | _1._change=function(_2d,_2e,id,_2f){ |
||
| 161 | if(!_3){
|
||
| 162 | return _2c.apply(this,arguments); |
||
| 163 | } |
||
| 164 | var _30=_2e._getRequest(id).url;
|
||
| 165 | _21(_2d,_30,dojox.rpc.JsonRest._contentId,_2f,_2e); |
||
| 166 | var _31=dojox.storage.get("dirty",_2)||{}; |
||
| 167 | if(_2d=="put"||_2d=="delete"){ |
||
| 168 | var _32=_30;
|
||
| 169 | }else{
|
||
| 170 | _32=0;
|
||
| 171 | for(var i in _31){ |
||
| 172 | if(!isNaN(parseInt(i))){
|
||
| 173 | _32=i; |
||
| 174 | } |
||
| 175 | } |
||
| 176 | _32++; |
||
| 177 | } |
||
| 178 | _31[_32]={method:_2d,id:_30,content:_2f};
|
||
| 179 | return _f(_32,_31);
|
||
| 180 | }; |
||
| 181 | function _f(_33,_34){ |
||
| 182 | var _35=_34[_33];
|
||
| 183 | var _36=dojox.rpc.JsonRest.getServiceAndId(_35.id);
|
||
| 184 | var _37=_2c(_35.method,_36.service,_36.id,_35.content);
|
||
| 185 | _34[_33]=_35; |
||
| 186 | dojox.storage.put("dirty",_34,function(){ |
||
| 187 | },_2); |
||
| 188 | _37.addBoth(function(_38){
|
||
| 189 | if(_a(_38)){
|
||
| 190 | return null; |
||
| 191 | } |
||
| 192 | var _39=dojox.storage.get("dirty",_2)||{}; |
||
| 193 | delete _39[_33];
|
||
| 194 | dojox.storage.put("dirty",_39,function(){ |
||
| 195 | },_2); |
||
| 196 | return _38;
|
||
| 197 | }); |
||
| 198 | return _37;
|
||
| 199 | }; |
||
| 200 | dojo.connect(_4,"onLoad",_5);
|
||
| 201 | dojo.connect(_4,"onUpdate",_5);
|
||
| 202 | })(); |
||
| 203 | } |