root / trunk / web / dojo / dojox / storage / WhatWGStorageProvider.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.storage.WhatWGStorageProvider"]){ |
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| 9 | dojo._hasResource["dojox.storage.WhatWGStorageProvider"]=true; |
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| 10 | dojo.provide("dojox.storage.WhatWGStorageProvider");
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| 11 | dojo.require("dojox.storage.Provider");
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| 12 | dojo.require("dojox.storage.manager");
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| 13 | dojo.declare("dojox.storage.WhatWGStorageProvider",[dojox.storage.Provider],{initialized:false,_domain:null,_available:null,_statusHandler:null,_allNamespaces:null,_storageEventListener:null,initialize:function(){ |
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| 14 | if(dojo.config["disableWhatWGStorage"]==true){ |
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| 15 | return;
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| 16 | } |
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| 17 | this._domain=location.hostname;
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| 18 | this.initialized=true; |
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| 19 | dojox.storage.manager.loaded(); |
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| 20 | },isAvailable:function(){ |
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| 21 | try{
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| 22 | var _1=globalStorage[location.hostname];
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| 23 | } |
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| 24 | catch(e){
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| 25 | this._available=false; |
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| 26 | return this._available; |
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| 27 | } |
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| 28 | this._available=true; |
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| 29 | return this._available; |
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| 30 | },put:function(_2,_3,_4,_5){ |
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| 31 | if(this.isValidKey(_2)==false){ |
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| 32 | throw new Error("Invalid key given: "+_2); |
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| 33 | } |
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| 34 | _5=_5||this.DEFAULT_NAMESPACE;
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| 35 | _2=this.getFullKey(_2,_5);
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| 36 | this._statusHandler=_4;
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| 37 | if(dojo.isString(_3)){
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| 38 | _3="string:"+_3;
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| 39 | }else{
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| 40 | _3=dojo.toJson(_3); |
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| 41 | } |
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| 42 | var _6=dojo.hitch(this,function(_7){ |
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| 43 | window.removeEventListener("storage",_6,false); |
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| 44 | if(_4){
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| 45 | _4.call(null,this.SUCCESS,_2,null,_5); |
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| 46 | } |
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| 47 | }); |
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| 48 | window.addEventListener("storage",_6,false); |
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| 49 | try{
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| 50 | var _8=globalStorage[this._domain]; |
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| 51 | _8.setItem(_2,_3); |
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| 52 | } |
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| 53 | catch(e){
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| 54 | this._statusHandler.call(null,this.FAILED,_2,e.toString(),_5); |
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| 55 | } |
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| 56 | },get:function(_9,_a){ |
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| 57 | if(this.isValidKey(_9)==false){ |
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| 58 | throw new Error("Invalid key given: "+_9); |
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| 59 | } |
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| 60 | _a=_a||this.DEFAULT_NAMESPACE;
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| 61 | _9=this.getFullKey(_9,_a);
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| 62 | var _b=globalStorage[this._domain]; |
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| 63 | var _c=_b.getItem(_9);
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| 64 | if(_c==null||_c==""){ |
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| 65 | return null; |
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| 66 | } |
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| 67 | _c=_c.value; |
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| 68 | if(dojo.isString(_c)&&(/^string:/.test(_c))){ |
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| 69 | _c=_c.substring("string:".length);
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| 70 | }else{
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| 71 | _c=dojo.fromJson(_c); |
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| 72 | } |
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| 73 | return _c;
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| 74 | },getNamespaces:function(){ |
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| 75 | var _d=[this.DEFAULT_NAMESPACE]; |
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| 76 | var _e={};
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| 77 | var _f=globalStorage[this._domain]; |
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| 78 | var _10=/^__([^_]*)_/; |
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| 79 | for(var i=0;i<_f.length;i++){ |
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| 80 | var _11=_f.key(i);
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| 81 | if(_10.test(_11)==true){ |
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| 82 | var _12=_11.match(_10)[1]; |
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| 83 | if(typeof _e[_12]=="undefined"){ |
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| 84 | _e[_12]=true;
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| 85 | _d.push(_12); |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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| 89 | return _d;
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| 90 | },getKeys:function(_13){ |
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| 91 | _13=_13||this.DEFAULT_NAMESPACE;
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| 92 | if(this.isValidKey(_13)==false){ |
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| 93 | throw new Error("Invalid namespace given: "+_13); |
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| 94 | } |
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| 95 | var _14;
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| 96 | if(_13==this.DEFAULT_NAMESPACE){ |
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| 97 | _14=new RegExp("^([^_]{2}.*)$"); |
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| 98 | }else{
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| 99 | _14=new RegExp("^__"+_13+"_(.*)$"); |
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| 100 | } |
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| 101 | var _15=globalStorage[this._domain]; |
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| 102 | var _16=[];
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| 103 | for(var i=0;i<_15.length;i++){ |
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| 104 | var _17=_15.key(i);
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| 105 | if(_14.test(_17)==true){ |
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| 106 | _17=_17.match(_14)[1];
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| 107 | _16.push(_17); |
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| 108 | } |
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| 109 | } |
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| 110 | return _16;
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| 111 | },clear:function(_18){ |
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| 112 | _18=_18||this.DEFAULT_NAMESPACE;
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| 113 | if(this.isValidKey(_18)==false){ |
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| 114 | throw new Error("Invalid namespace given: "+_18); |
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| 115 | } |
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| 116 | var _19;
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| 117 | if(_18==this.DEFAULT_NAMESPACE){ |
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| 118 | _19=new RegExp("^[^_]{2}"); |
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| 119 | }else{
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| 120 | _19=new RegExp("^__"+_18+"_"); |
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| 121 | } |
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| 122 | var _1a=globalStorage[this._domain]; |
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| 123 | var _1b=[];
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| 124 | for(var i=0;i<_1a.length;i++){ |
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| 125 | if(_19.test(_1a.key(i))==true){ |
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| 126 | _1b[_1b.length]=_1a.key(i); |
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| 127 | } |
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| 128 | } |
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| 129 | dojo.forEach(_1b,dojo.hitch(_1a,"removeItem"));
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| 130 | },remove:function(key,_1c){ |
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| 131 | key=this.getFullKey(key,_1c);
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| 132 | var _1d=globalStorage[this._domain]; |
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| 133 | _1d.removeItem(key); |
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| 134 | },isPermanent:function(){ |
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| 135 | return true; |
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| 136 | },getMaximumSize:function(){ |
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| 137 | return this.SIZE_NO_LIMIT; |
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| 138 | },hasSettingsUI:function(){ |
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| 139 | return false; |
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| 140 | },showSettingsUI:function(){ |
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| 141 | throw new Error(this.declaredClass+" does not support a storage settings user-interface"); |
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| 142 | },hideSettingsUI:function(){ |
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| 143 | throw new Error(this.declaredClass+" does not support a storage settings user-interface"); |
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| 144 | },getFullKey:function(key,_1e){ |
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| 145 | _1e=_1e||this.DEFAULT_NAMESPACE;
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| 146 | if(this.isValidKey(_1e)==false){ |
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| 147 | throw new Error("Invalid namespace given: "+_1e); |
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| 148 | } |
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| 149 | if(_1e==this.DEFAULT_NAMESPACE){ |
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| 150 | return key;
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| 151 | }else{
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| 152 | return "__"+_1e+"_"+key; |
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| 153 | } |
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| 154 | }}); |
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| 155 | dojox.storage.manager.register("dojox.storage.WhatWGStorageProvider",new dojox.storage.WhatWGStorageProvider()); |
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| 156 | } |