root / trunk / web / dojo / dojox / data / FileStore.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.data.FileStore"]){ |
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| 9 | dojo._hasResource["dojox.data.FileStore"]=true; |
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| 10 | dojo.provide("dojox.data.FileStore");
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| 11 | dojo.declare("dojox.data.FileStore",null,{constructor:function(_1){ |
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| 12 | if(_1&&_1.label){
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| 13 | this.label=_1.label;
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| 14 | } |
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| 15 | if(_1&&_1.url){
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| 16 | this.url=_1.url;
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| 17 | } |
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| 18 | if(_1&&_1.options){
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| 19 | if(dojo.isArray(_1.options)){
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| 20 | this.options=_1.options;
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| 21 | }else{
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| 22 | if(dojo.isString(_1.options)){
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| 23 | this.options=_1.options.split(","); |
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| 24 | } |
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| 25 | } |
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| 26 | } |
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| 27 | if(_1&&_1.pathAsQueryParam){
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| 28 | this.pathAsQueryParam=true; |
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| 29 | } |
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| 30 | if(_1&&"urlPreventCache" in _1){ |
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| 31 | this.urlPreventCache=_1.urlPreventCache?true:false; |
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| 32 | } |
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| 33 | },url:"",_storeRef:"_S",label:"name",_identifier:"path",_attributes:["children","directory","name","path","modified","size","parentDir"],pathSeparator:"/",options:[],failOk:false,urlPreventCache:true,_assertIsItem:function(_2){ |
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| 34 | if(!this.isItem(_2)){ |
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| 35 | throw new Error("dojox.data.FileStore: a function was passed an item argument that was not an item"); |
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| 36 | } |
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| 37 | },_assertIsAttribute:function(_3){ |
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| 38 | if(typeof _3!=="string"){ |
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| 39 | throw new Error("dojox.data.FileStore: a function was passed an attribute argument that was not an attribute name string"); |
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| 40 | } |
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| 41 | },pathAsQueryParam:false,getFeatures:function(){ |
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| 42 | return {"dojo.data.api.Read":true,"dojo.data.api.Identity":true}; |
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| 43 | },getValue:function(_4,_5,_6){ |
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| 44 | var _7=this.getValues(_4,_5); |
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| 45 | if(_7&&_7.length>0){ |
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| 46 | return _7[0]; |
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| 47 | } |
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| 48 | return _6;
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| 49 | },getAttributes:function(_8){ |
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| 50 | return this._attributes; |
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| 51 | },hasAttribute:function(_9,_a){ |
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| 52 | this._assertIsItem(_9);
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| 53 | this._assertIsAttribute(_a);
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| 54 | return (_a in _9); |
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| 55 | },getIdentity:function(_b){ |
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| 56 | return this.getValue(_b,this._identifier); |
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| 57 | },getIdentityAttributes:function(_c){ |
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| 58 | return [this._identifier]; |
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| 59 | },isItemLoaded:function(_d){ |
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| 60 | var _e=this.isItem(_d); |
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| 61 | if(_e&&typeof _d._loaded=="boolean"&&!_d._loaded){ |
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| 62 | _e=false;
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| 63 | } |
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| 64 | return _e;
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| 65 | },loadItem:function(_f){ |
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| 66 | var _10=_f.item;
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| 67 | var _11=this; |
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| 68 | var _12=_f.scope||dojo.global;
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| 69 | var _13={};
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| 70 | if(this.options.length>0){ |
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| 71 | _13.options=dojo.toJson(this.options);
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| 72 | } |
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| 73 | if(this.pathAsQueryParam){ |
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| 74 | _13.path=_10.parentPath+this.pathSeparator+_10.name;
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| 75 | } |
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| 76 | var _14={url:this.pathAsQueryParam?this.url:this.url+"/"+_10.parentPath+"/"+_10.name,handleAs:"json-comment-optional",content:_13,preventCache:this.urlPreventCache,failOk:this.failOk}; |
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| 77 | var _15=dojo.xhrGet(_14);
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| 78 | _15.addErrback(function(_16){
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| 79 | if(_f.onError){
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| 80 | _f.onError.call(_12,_16); |
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| 81 | } |
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| 82 | }); |
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| 83 | _15.addCallback(function(_17){
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| 84 | delete _10.parentPath;
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| 85 | delete _10._loaded;
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| 86 | dojo.mixin(_10,_17); |
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| 87 | _11._processItem(_10); |
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| 88 | if(_f.onItem){
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| 89 | _f.onItem.call(_12,_10); |
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| 90 | } |
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| 91 | }); |
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| 92 | },getLabel:function(_18){ |
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| 93 | return this.getValue(_18,this.label); |
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| 94 | },getLabelAttributes:function(_19){ |
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| 95 | return [this.label]; |
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| 96 | },containsValue:function(_1a,_1b,_1c){ |
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| 97 | var _1d=this.getValues(_1a,_1b); |
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| 98 | for(var i=0;i<_1d.length;i++){ |
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| 99 | if(_1d[i]==_1c){
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| 100 | return true; |
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| 101 | } |
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| 102 | } |
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| 103 | return false; |
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| 104 | },getValues:function(_1e,_1f){ |
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| 105 | this._assertIsItem(_1e);
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| 106 | this._assertIsAttribute(_1f);
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| 107 | var _20=_1e[_1f];
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| 108 | if(typeof _20!=="undefined"&&!dojo.isArray(_20)){ |
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| 109 | _20=[_20]; |
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| 110 | }else{
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| 111 | if(typeof _20==="undefined"){ |
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| 112 | _20=[]; |
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| 113 | } |
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| 114 | } |
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| 115 | return _20;
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| 116 | },isItem:function(_21){ |
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| 117 | if(_21&&_21[this._storeRef]===this){ |
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| 118 | return true; |
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| 119 | } |
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| 120 | return false; |
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| 121 | },close:function(_22){ |
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| 122 | },fetch:function(_23){ |
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| 123 | _23=_23||{};
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| 124 | if(!_23.store){
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| 125 | _23.store=this;
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| 126 | } |
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| 127 | var _24=this; |
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| 128 | var _25=_23.scope||dojo.global;
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| 129 | var _26={};
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| 130 | if(_23.query){
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| 131 | _26.query=dojo.toJson(_23.query); |
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| 132 | } |
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| 133 | if(_23.sort){
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| 134 | _26.sort=dojo.toJson(_23.sort); |
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| 135 | } |
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| 136 | if(_23.queryOptions){
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| 137 | _26.queryOptions=dojo.toJson(_23.queryOptions); |
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| 138 | } |
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| 139 | if(typeof _23.start=="number"){ |
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| 140 | _26.start=""+_23.start;
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| 141 | } |
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| 142 | if(typeof _23.count=="number"){ |
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| 143 | _26.count=""+_23.count;
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| 144 | } |
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| 145 | if(this.options.length>0){ |
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| 146 | _26.options=dojo.toJson(this.options);
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| 147 | } |
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| 148 | var _27={url:this.url,preventCache:this.urlPreventCache,failOk:this.failOk,handleAs:"json-comment-optional",content:_26}; |
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| 149 | var _28=dojo.xhrGet(_27);
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| 150 | _28.addCallback(function(_29){
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| 151 | _24._processResult(_29,_23); |
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| 152 | }); |
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| 153 | _28.addErrback(function(_2a){
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| 154 | if(_23.onError){
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| 155 | _23.onError.call(_25,_2a,_23); |
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| 156 | } |
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| 157 | }); |
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| 158 | },fetchItemByIdentity:function(_2b){ |
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| 159 | var _2c=_2b.identity;
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| 160 | var _2d=this; |
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| 161 | var _2e=_2b.scope||dojo.global;
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| 162 | var _2f={};
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| 163 | if(this.options.length>0){ |
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| 164 | _2f.options=dojo.toJson(this.options);
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| 165 | } |
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| 166 | if(this.pathAsQueryParam){ |
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| 167 | _2f.path=_2c; |
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| 168 | } |
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| 169 | var _30={url:this.pathAsQueryParam?this.url:this.url+"/"+_2c,handleAs:"json-comment-optional",content:_2f,preventCache:this.urlPreventCache,failOk:this.failOk}; |
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| 170 | var _31=dojo.xhrGet(_30);
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| 171 | _31.addErrback(function(_32){
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| 172 | if(_2b.onError){
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| 173 | _2b.onError.call(_2e,_32); |
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| 174 | } |
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| 175 | }); |
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| 176 | _31.addCallback(function(_33){
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| 177 | var _34=_2d._processItem(_33);
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| 178 | if(_2b.onItem){
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| 179 | _2b.onItem.call(_2e,_34); |
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| 180 | } |
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| 181 | }); |
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| 182 | },_processResult:function(_35,_36){ |
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| 183 | var _37=_36.scope||dojo.global;
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| 184 | try{
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| 185 | if(_35.pathSeparator){
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| 186 | this.pathSeparator=_35.pathSeparator;
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| 187 | } |
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| 188 | if(_36.onBegin){
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| 189 | _36.onBegin.call(_37,_35.total,_36); |
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| 190 | } |
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| 191 | var _38=this._processItemArray(_35.items); |
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| 192 | if(_36.onItem){
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| 193 | var i;
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| 194 | for(i=0;i<_38.length;i++){ |
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| 195 | _36.onItem.call(_37,_38[i],_36); |
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| 196 | } |
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| 197 | _38=null;
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| 198 | } |
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| 199 | if(_36.onComplete){
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| 200 | _36.onComplete.call(_37,_38,_36); |
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| 201 | } |
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| 202 | } |
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| 203 | catch(e){
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| 204 | if(_36.onError){
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| 205 | _36.onError.call(_37,e,_36); |
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| 206 | }else{
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| 207 | } |
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| 208 | } |
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| 209 | },_processItemArray:function(_39){ |
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| 210 | var i;
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| 211 | for(i=0;i<_39.length;i++){ |
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| 212 | this._processItem(_39[i]);
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| 213 | } |
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| 214 | return _39;
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| 215 | },_processItem:function(_3a){ |
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| 216 | if(!_3a){
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| 217 | return null; |
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| 218 | } |
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| 219 | _3a[this._storeRef]=this; |
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| 220 | if(_3a.children&&_3a.directory){
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| 221 | if(dojo.isArray(_3a.children)){
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| 222 | var _3b=_3a.children;
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| 223 | var i;
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| 224 | for(i=0;i<_3b.length;i++){ |
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| 225 | var _3c=_3b[i];
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| 226 | if(dojo.isObject(_3c)){
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| 227 | _3b[i]=this._processItem(_3c);
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| 228 | }else{
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| 229 | _3b[i]={name:_3c,_loaded:false,parentPath:_3a.path};
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| 230 | _3b[i][this._storeRef]=this; |
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| 231 | } |
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| 232 | } |
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| 233 | }else{
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| 234 | delete _3a.children;
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| 235 | } |
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| 236 | } |
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| 237 | return _3a;
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| 238 | }}); |
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| 239 | } |