root / trunk / web / dojo / dojox / rpc / OfflineRest.js @ 9
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.rpc.OfflineRest"]){ |
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dojo._hasResource["dojox.rpc.OfflineRest"]=true; |
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dojo.provide("dojox.rpc.OfflineRest");
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dojo.require("dojox.data.ClientFilter");
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dojo.require("dojox.rpc.Rest");
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dojo.require("dojox.storage");
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(function(){
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var _1=dojox.rpc.Rest;
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var _2="dojox_rpc_OfflineRest"; |
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var _3;
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var _4=_1._index;
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dojox.storage.manager.addOnLoad(function(){
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_3=dojox.storage.manager.available; |
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for(var i in _4){ |
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_5(_4[i],i); |
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} |
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}); |
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var _6;
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function _7(_8){ |
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return _8.replace(/[^0-9A-Za-z_]/g,"_"); |
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}; |
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function _5(_9,id){ |
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if(_3&&!_6&&(id||(_9&&_9.__id))){
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dojox.storage.put(_7(id||_9.__id),typeof _9=="object"?dojox.json.ref.toJson(_9):_9,function(){ |
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},_2); |
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} |
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}; |
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function _a(_b){ |
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return _b instanceof Error&&(_b.status==503||_b.status>12000||!_b.status); |
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}; |
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function _c(){ |
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if(_3){
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var _d=dojox.storage.get("dirty",_2); |
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if(_d){
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for(var _e in _d){ |
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_f(_e,_d); |
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} |
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} |
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} |
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}; |
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var _10;
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function _11(){ |
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_10.sendChanges(); |
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_10.downloadChanges(); |
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}; |
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var _12=setInterval(_11,15000); |
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dojo.connect(document,"ononline",_11);
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_10=dojox.rpc.OfflineRest={turnOffAutoSync:function(){ |
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clearInterval(_12); |
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},sync:_11,sendChanges:_c,downloadChanges:function(){ |
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},addStore:function(_13,_14){ |
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_10.stores.push(_13); |
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_13.fetch({queryOptions:{cache:true},query:_14,onComplete:function(_15,_16){ |
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_13._localBaseResults=_15; |
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_13._localBaseFetch=_16; |
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}}); |
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}}; |
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_10.stores=[]; |
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var _17=_1._get;
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_1._get=function(_18,id){ |
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try{
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_c(); |
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if(window.navigator&&navigator.onLine===false){ |
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throw new Error(); |
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} |
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var dfd=_17(_18,id);
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} |
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catch(e){
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dfd=new dojo.Deferred();
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dfd.errback(e); |
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} |
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var _19=dojox.rpc._sync;
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dfd.addCallback(function(_1a){
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_5(_1a,_18._getRequest(id).url); |
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return _1a;
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}); |
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dfd.addErrback(function(_1b){
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if(_3){
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if(_a(_1b)){
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var _1c={};
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var _1d=function(id,_1e){ |
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if(_1c[id]){
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return _1e;
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} |
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var _1f=dojo.fromJson(dojox.storage.get(_7(id),_2))||_1e;
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_1c[id]=_1f; |
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for(var i in _1f){ |
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var val=_1f[i];
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id=val&&val.$ref;
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if(id){
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if(id.substring&&id.substring(0,4)=="cid:"){ |
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id=id.substring(4);
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} |
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_1f[i]=_1d(id,val); |
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} |
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} |
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if(_1f instanceof Array){ |
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for(i=0;i<_1f.length;i++){ |
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if(_1f[i]===undefined){ |
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_1f.splice(i--,1);
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} |
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} |
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} |
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return _1f;
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}; |
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_6=true;
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var _20=_1d(_18._getRequest(id).url);
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if(!_20){
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return _1b;
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} |
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_6=false;
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return _20;
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}else{
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return _1b;
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} |
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}else{
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if(_19){
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return new Error("Storage manager not loaded, can not continue"); |
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} |
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dfd=new dojo.Deferred();
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dfd.addCallback(arguments.callee);
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dojox.storage.manager.addOnLoad(function(){
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dfd.callback(); |
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}); |
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return dfd;
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} |
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}); |
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return dfd;
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}; |
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function _21(_22,_23,_24,_25,_26){ |
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if(_22=="delete"){ |
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dojox.storage.remove(_7(_23),_2); |
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}else{
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dojox.storage.put(_7(_24),_25,function(){
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},_2); |
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} |
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var _27=_26&&_26._store;
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if(_27){
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_27.updateResultSet(_27._localBaseResults,_27._localBaseFetch); |
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dojox.storage.put(_7(_26._getRequest(_27._localBaseFetch.query).url),dojox.json.ref.toJson(_27._localBaseResults),function(){
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},_2); |
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} |
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}; |
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dojo.addOnLoad(function(){
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dojo.connect(dojox.data,"restListener",function(_28){ |
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var _29=_28.channel;
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var _2a=_28.event.toLowerCase();
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var _2b=dojox.rpc.JsonRest&&dojox.rpc.JsonRest.getServiceAndId(_29).service;
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_21(_2a,_29,_2a=="post"?_29+_28.result.id:_29,dojo.toJson(_28.result),_2b);
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}); |
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}); |
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var _2c=_1._change;
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_1._change=function(_2d,_2e,id,_2f){ |
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if(!_3){
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return _2c.apply(this,arguments); |
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} |
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var _30=_2e._getRequest(id).url;
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_21(_2d,_30,dojox.rpc.JsonRest._contentId,_2f,_2e); |
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var _31=dojox.storage.get("dirty",_2)||{}; |
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if(_2d=="put"||_2d=="delete"){ |
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var _32=_30;
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}else{
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_32=0;
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for(var i in _31){ |
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if(!isNaN(parseInt(i))){
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_32=i; |
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} |
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} |
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_32++; |
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} |
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_31[_32]={method:_2d,id:_30,content:_2f}; |
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return _f(_32,_31);
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}; |
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function _f(_33,_34){ |
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var _35=_34[_33];
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var _36=dojox.rpc.JsonRest.getServiceAndId(_35.id);
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var _37=_2c(_35.method,_36.service,_36.id,_35.content);
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_34[_33]=_35; |
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dojox.storage.put("dirty",_34,function(){ |
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},_2); |
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_37.addBoth(function(_38){
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if(_a(_38)){
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return null; |
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} |
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var _39=dojox.storage.get("dirty",_2)||{}; |
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delete _39[_33];
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dojox.storage.put("dirty",_39,function(){ |
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},_2); |
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return _38;
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}); |
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return _37;
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}; |
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dojo.connect(_4,"onLoad",_5);
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dojo.connect(_4,"onUpdate",_5);
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})(); |
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} |