root / trunk / web / dojo / dojox / data / HtmlStore.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.HtmlStore"]){ |
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| 9 | dojo._hasResource["dojox.data.HtmlStore"]=true; |
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| 10 | dojo.provide("dojox.data.HtmlStore");
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| 11 | dojo.require("dojox.xml.parser");
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| 12 | dojo.require("dojo.data.util.simpleFetch");
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| 13 | dojo.require("dojo.data.util.filter");
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| 14 | dojo.declare("dojox.data.HtmlStore",null,{constructor:function(_1){ |
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| 15 | if(_1&&"urlPreventCache" in _1){ |
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| 16 | this.urlPreventCache=_1.urlPreventCache?true:false; |
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| 17 | } |
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| 18 | if(_1&&"trimWhitespace" in _1){ |
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| 19 | this.trimWhitespace=_1.trimWhitespace?true:false; |
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| 20 | } |
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| 21 | if(_1.url){
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| 22 | if(!_1.dataId){
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| 23 | throw new Error("dojo.data.HtmlStore: Cannot instantiate using url without an id!"); |
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| 24 | } |
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| 25 | this.url=_1.url;
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| 26 | this.dataId=_1.dataId;
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| 27 | }else{
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| 28 | if(_1.dataId){
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| 29 | this._rootNode=dojo.byId(_1.dataId);
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| 30 | this.dataId=this._rootNode.id; |
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| 31 | }else{
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| 32 | this._rootNode=dojo.byId(this.dataId); |
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| 33 | } |
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| 34 | this._indexItems();
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| 35 | } |
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| 36 | },url:"",dataId:"",trimWhitespace:false,urlPreventCache:false,_indexItems:function(){ |
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| 37 | this._getHeadings();
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| 38 | if(this._rootNode.rows){ |
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| 39 | if(this._rootNode.tBodies&&this._rootNode.tBodies.length>0){ |
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| 40 | this._rootNode=this._rootNode.tBodies[0]; |
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| 41 | } |
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| 42 | var i;
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| 43 | for(i=0;i<this._rootNode.rows.length;i++){ |
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| 44 | this._rootNode.rows[i].store=this; |
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| 45 | this._rootNode.rows[i]._ident=i+1; |
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| 46 | } |
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| 47 | }else{
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| 48 | var c=1; |
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| 49 | for(i=0;i<this._rootNode.childNodes.length;i++){ |
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| 50 | if(this._rootNode.childNodes[i].nodeType===1){ |
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| 51 | this._rootNode.childNodes[i].store=this; |
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| 52 | this._rootNode.childNodes[i]._ident=c;
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| 53 | c++; |
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| 54 | } |
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| 55 | } |
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| 56 | } |
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| 57 | },_getHeadings:function(){ |
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| 58 | this._headings=[];
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| 59 | if(this._rootNode.tHead){ |
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| 60 | dojo.forEach(this._rootNode.tHead.rows[0].cells,dojo.hitch(this,function(th){ |
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| 61 | var _2=dojox.xml.parser.textContent(th);
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| 62 | this._headings.push(this.trimWhitespace?dojo.trim(_2):_2); |
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| 63 | })); |
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| 64 | }else{
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| 65 | this._headings=["name"]; |
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| 66 | } |
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| 67 | },_getAllItems:function(){ |
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| 68 | var _3=[];
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| 69 | var i;
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| 70 | if(this._rootNode.rows){ |
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| 71 | for(i=0;i<this._rootNode.rows.length;i++){ |
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| 72 | _3.push(this._rootNode.rows[i]);
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| 73 | } |
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| 74 | }else{
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| 75 | for(i=0;i<this._rootNode.childNodes.length;i++){ |
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| 76 | if(this._rootNode.childNodes[i].nodeType===1){ |
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| 77 | _3.push(this._rootNode.childNodes[i]);
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| 78 | } |
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| 79 | } |
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| 80 | } |
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| 81 | return _3;
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| 82 | },_assertIsItem:function(_4){ |
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| 83 | if(!this.isItem(_4)){ |
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| 84 | throw new Error("dojo.data.HtmlStore: a function was passed an item argument that was not an item"); |
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| 85 | } |
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| 86 | },_assertIsAttribute:function(_5){ |
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| 87 | if(typeof _5!=="string"){ |
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| 88 | throw new Error("dojo.data.HtmlStore: a function was passed an attribute argument that was not an attribute name string"); |
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| 89 | return -1; |
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| 90 | } |
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| 91 | return dojo.indexOf(this._headings,_5); |
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| 92 | },getValue:function(_6,_7,_8){ |
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| 93 | var _9=this.getValues(_6,_7); |
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| 94 | return (_9.length>0)?_9[0]:_8; |
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| 95 | },getValues:function(_a,_b){ |
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| 96 | this._assertIsItem(_a);
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| 97 | var _c=this._assertIsAttribute(_b); |
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| 98 | if(_c>-1){ |
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| 99 | var _d;
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| 100 | if(_a.cells){
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| 101 | _d=dojox.xml.parser.textContent(_a.cells[_c]); |
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| 102 | }else{
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| 103 | _d=dojox.xml.parser.textContent(_a); |
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| 104 | } |
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| 105 | return [this.trimWhitespace?dojo.trim(_d):_d]; |
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| 106 | } |
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| 107 | return [];
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| 108 | },getAttributes:function(_e){ |
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| 109 | this._assertIsItem(_e);
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| 110 | var _f=[];
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| 111 | for(var i=0;i<this._headings.length;i++){ |
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| 112 | if(this.hasAttribute(_e,this._headings[i])){ |
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| 113 | _f.push(this._headings[i]);
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| 114 | } |
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| 115 | } |
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| 116 | return _f;
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| 117 | },hasAttribute:function(_10,_11){ |
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| 118 | return this.getValues(_10,_11).length>0; |
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| 119 | },containsValue:function(_12,_13,_14){ |
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| 120 | var _15=undefined; |
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| 121 | if(typeof _14==="string"){ |
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| 122 | _15=dojo.data.util.filter.patternToRegExp(_14,false);
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| 123 | } |
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| 124 | return this._containsValue(_12,_13,_14,_15); |
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| 125 | },_containsValue:function(_16,_17,_18,_19){ |
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| 126 | var _1a=this.getValues(_16,_17); |
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| 127 | for(var i=0;i<_1a.length;++i){ |
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| 128 | var _1b=_1a[i];
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| 129 | if(typeof _1b==="string"&&_19){ |
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| 130 | return (_1b.match(_19)!==null); |
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| 131 | }else{
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| 132 | if(_18===_1b){
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| 133 | return true; |
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| 134 | } |
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| 135 | } |
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| 136 | } |
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| 137 | return false; |
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| 138 | },isItem:function(_1c){ |
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| 139 | if(_1c&&_1c.store&&_1c.store===this){ |
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| 140 | return true; |
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| 141 | } |
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| 142 | return false; |
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| 143 | },isItemLoaded:function(_1d){ |
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| 144 | return this.isItem(_1d); |
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| 145 | },loadItem:function(_1e){ |
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| 146 | this._assertIsItem(_1e.item);
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| 147 | },_fetchItems:function(_1f,_20,_21){ |
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| 148 | if(this._rootNode){ |
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| 149 | this._finishFetchItems(_1f,_20,_21);
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| 150 | }else{
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| 151 | if(!this.url){ |
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| 152 | this._rootNode=dojo.byId(this.dataId); |
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| 153 | }else{
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| 154 | var _22={url:this.url,handleAs:"text",preventCache:this.urlPreventCache}; |
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| 155 | var _23=this; |
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| 156 | var _24=dojo.xhrGet(_22);
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| 157 | _24.addCallback(function(_25){
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| 158 | var _26=function(_27,id){ |
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| 159 | if(_27.id==id){
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| 160 | return _27;
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| 161 | } |
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| 162 | if(_27.childNodes){
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| 163 | for(var i=0;i<_27.childNodes.length;i++){ |
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| 164 | var _28=_26(_27.childNodes[i],id);
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| 165 | if(_28){
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| 166 | return _28;
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| 167 | } |
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| 168 | } |
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| 169 | } |
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| 170 | return null; |
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| 171 | }; |
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| 172 | var d=document.createElement("div"); |
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| 173 | d.innerHTML=_25; |
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| 174 | _23._rootNode=_26(d,_23.dataId); |
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| 175 | _23._indexItems(); |
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| 176 | _23._finishFetchItems(_1f,_20,_21); |
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| 177 | }); |
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| 178 | _24.addErrback(function(_29){
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| 179 | _21(_29,_1f); |
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| 180 | }); |
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| 181 | } |
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| 182 | } |
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| 183 | },_finishFetchItems:function(_2a,_2b,_2c){ |
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| 184 | var _2d=[];
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| 185 | var _2e=this._getAllItems(); |
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| 186 | if(_2a.query){
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| 187 | var _2f=_2a.queryOptions?_2a.queryOptions.ignoreCase:false; |
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| 188 | _2d=[]; |
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| 189 | var _30={};
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| 190 | var key;
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| 191 | var _31;
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| 192 | for(key in _2a.query){ |
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| 193 | _31=_2a.query[key]+"";
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| 194 | if(typeof _31==="string"){ |
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| 195 | _30[key]=dojo.data.util.filter.patternToRegExp(_31,_2f); |
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| 196 | } |
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| 197 | } |
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| 198 | for(var i=0;i<_2e.length;++i){ |
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| 199 | var _32=true; |
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| 200 | var _33=_2e[i];
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| 201 | for(key in _2a.query){ |
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| 202 | _31=_2a.query[key]+"";
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| 203 | if(!this._containsValue(_33,key,_31,_30[key])){ |
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| 204 | _32=false;
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| 205 | } |
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| 206 | } |
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| 207 | if(_32){
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| 208 | _2d.push(_33); |
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| 209 | } |
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| 210 | } |
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| 211 | _2b(_2d,_2a); |
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| 212 | }else{
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| 213 | if(_2e.length>0){ |
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| 214 | _2d=_2e.slice(0,_2e.length);
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| 215 | } |
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| 216 | _2b(_2d,_2a); |
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| 217 | } |
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| 218 | },getFeatures:function(){ |
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| 219 | return {"dojo.data.api.Read":true,"dojo.data.api.Identity":true}; |
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| 220 | },close:function(_34){ |
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| 221 | },getLabel:function(_35){ |
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| 222 | if(this.isItem(_35)){ |
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| 223 | if(_35.cells){
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| 224 | return "Item #"+this.getIdentity(_35); |
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| 225 | }else{
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| 226 | return this.getValue(_35,"name"); |
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| 227 | } |
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| 228 | } |
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| 229 | return undefined; |
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| 230 | },getLabelAttributes:function(_36){ |
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| 231 | if(_36.cells){
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| 232 | return null; |
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| 233 | }else{
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| 234 | return ["name"]; |
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| 235 | } |
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| 236 | },getIdentity:function(_37){ |
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| 237 | this._assertIsItem(_37);
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| 238 | if(this.hasAttribute(_37,"name")){ |
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| 239 | return this.getValue(_37,"name"); |
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| 240 | }else{
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| 241 | return _37._ident;
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| 242 | } |
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| 243 | },getIdentityAttributes:function(_38){ |
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| 244 | return null; |
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| 245 | },fetchItemByIdentity:function(_39){ |
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| 246 | var _3a=_39.identity;
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| 247 | var _3b=this; |
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| 248 | var _3c=null; |
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| 249 | var _3d=null; |
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| 250 | if(!this._rootNode){ |
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| 251 | if(!this.url){ |
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| 252 | this._rootNode=dojo.byId(this.dataId); |
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| 253 | this._indexItems();
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| 254 | if(_3b._rootNode.rows){
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| 255 | _3c=this._rootNode.rows[_3a+1]; |
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| 256 | }else{
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| 257 | for(var i=0;i<_3b._rootNode.childNodes.length;i++){ |
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| 258 | if(_3b._rootNode.childNodes[i].nodeType===1&&_3a===dojox.xml.parser.textContent(_3b._rootNode.childNodes[i])){ |
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| 259 | _3c=_3b._rootNode.childNodes[i]; |
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| 260 | } |
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| 261 | } |
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| 262 | } |
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| 263 | if(_39.onItem){
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| 264 | _3d=_39.scope?_39.scope:dojo.global; |
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| 265 | _39.onItem.call(_3d,_3c); |
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| 266 | } |
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| 267 | }else{
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| 268 | var _3e={url:this.url,handleAs:"text"}; |
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| 269 | var _3f=dojo.xhrGet(_3e);
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| 270 | _3f.addCallback(function(_40){
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| 271 | var _41=function(_42,id){ |
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| 272 | if(_42.id==id){
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| 273 | return _42;
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| 274 | } |
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| 275 | if(_42.childNodes){
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| 276 | for(var i=0;i<_42.childNodes.length;i++){ |
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| 277 | var _43=_41(_42.childNodes[i],id);
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| 278 | if(_43){
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| 279 | return _43;
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| 280 | } |
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| 281 | } |
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| 282 | } |
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| 283 | return null; |
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| 284 | }; |
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| 285 | var d=document.createElement("div"); |
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| 286 | d.innerHTML=_40; |
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| 287 | _3b._rootNode=_41(d,_3b.dataId); |
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| 288 | _3b._indexItems(); |
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| 289 | if(_3b._rootNode.rows&&_3a<=_3b._rootNode.rows.length){
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| 290 | _3c=_3b._rootNode.rows[_3a-1];
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| 291 | }else{
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| 292 | for(var i=0;i<_3b._rootNode.childNodes.length;i++){ |
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| 293 | if(_3b._rootNode.childNodes[i].nodeType===1&&_3a===dojox.xml.parser.textContent(_3b._rootNode.childNodes[i])){ |
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| 294 | _3c=_3b._rootNode.childNodes[i]; |
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| 295 | break;
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| 296 | } |
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| 297 | } |
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| 298 | } |
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| 299 | if(_39.onItem){
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| 300 | _3d=_39.scope?_39.scope:dojo.global; |
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| 301 | _39.onItem.call(_3d,_3c); |
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| 302 | } |
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| 303 | }); |
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| 304 | _3f.addErrback(function(_44){
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| 305 | if(_39.onError){
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| 306 | _3d=_39.scope?_39.scope:dojo.global; |
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| 307 | _39.onError.call(_3d,_44); |
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| 308 | } |
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| 309 | }); |
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| 310 | } |
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| 311 | }else{
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| 312 | if(this._rootNode.rows[_3a+1]){ |
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| 313 | _3c=this._rootNode.rows[_3a+1]; |
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| 314 | if(_39.onItem){
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| 315 | _3d=_39.scope?_39.scope:dojo.global; |
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| 316 | _39.onItem.call(_3d,_3c); |
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| 317 | } |
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| 318 | } |
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| 319 | } |
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| 320 | }}); |
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| 321 | dojo.extend(dojox.data.HtmlStore,dojo.data.util.simpleFetch); |
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| 322 | } |