root / trunk / web / dojo / dojox / data / HtmlStore.js @ 12
History | View | Annotate | Download (7.22 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.data.HtmlStore"]){ |
||
| 9 | dojo._hasResource["dojox.data.HtmlStore"]=true; |
||
| 10 | dojo.provide("dojox.data.HtmlStore");
|
||
| 11 | dojo.require("dojox.xml.parser");
|
||
| 12 | dojo.require("dojo.data.util.simpleFetch");
|
||
| 13 | dojo.require("dojo.data.util.filter");
|
||
| 14 | dojo.declare("dojox.data.HtmlStore",null,{constructor:function(_1){ |
||
| 15 | if(_1&&"urlPreventCache" in _1){ |
||
| 16 | this.urlPreventCache=_1.urlPreventCache?true:false; |
||
| 17 | } |
||
| 18 | if(_1&&"trimWhitespace" in _1){ |
||
| 19 | this.trimWhitespace=_1.trimWhitespace?true:false; |
||
| 20 | } |
||
| 21 | if(_1.url){
|
||
| 22 | if(!_1.dataId){
|
||
| 23 | throw new Error("dojo.data.HtmlStore: Cannot instantiate using url without an id!"); |
||
| 24 | } |
||
| 25 | this.url=_1.url;
|
||
| 26 | this.dataId=_1.dataId;
|
||
| 27 | }else{
|
||
| 28 | if(_1.dataId){
|
||
| 29 | this._rootNode=dojo.byId(_1.dataId);
|
||
| 30 | this.dataId=this._rootNode.id; |
||
| 31 | }else{
|
||
| 32 | this._rootNode=dojo.byId(this.dataId); |
||
| 33 | } |
||
| 34 | this._indexItems();
|
||
| 35 | } |
||
| 36 | },url:"",dataId:"",trimWhitespace:false,urlPreventCache:false,_indexItems:function(){ |
||
| 37 | this._getHeadings();
|
||
| 38 | if(this._rootNode.rows){ |
||
| 39 | if(this._rootNode.tBodies&&this._rootNode.tBodies.length>0){ |
||
| 40 | this._rootNode=this._rootNode.tBodies[0]; |
||
| 41 | } |
||
| 42 | var i;
|
||
| 43 | for(i=0;i<this._rootNode.rows.length;i++){ |
||
| 44 | this._rootNode.rows[i].store=this; |
||
| 45 | this._rootNode.rows[i]._ident=i+1; |
||
| 46 | } |
||
| 47 | }else{
|
||
| 48 | var c=1; |
||
| 49 | for(i=0;i<this._rootNode.childNodes.length;i++){ |
||
| 50 | if(this._rootNode.childNodes[i].nodeType===1){ |
||
| 51 | this._rootNode.childNodes[i].store=this; |
||
| 52 | this._rootNode.childNodes[i]._ident=c;
|
||
| 53 | c++; |
||
| 54 | } |
||
| 55 | } |
||
| 56 | } |
||
| 57 | },_getHeadings:function(){ |
||
| 58 | this._headings=[];
|
||
| 59 | if(this._rootNode.tHead){ |
||
| 60 | dojo.forEach(this._rootNode.tHead.rows[0].cells,dojo.hitch(this,function(th){ |
||
| 61 | var _2=dojox.xml.parser.textContent(th);
|
||
| 62 | this._headings.push(this.trimWhitespace?dojo.trim(_2):_2); |
||
| 63 | })); |
||
| 64 | }else{
|
||
| 65 | this._headings=["name"]; |
||
| 66 | } |
||
| 67 | },_getAllItems:function(){ |
||
| 68 | var _3=[];
|
||
| 69 | var i;
|
||
| 70 | if(this._rootNode.rows){ |
||
| 71 | for(i=0;i<this._rootNode.rows.length;i++){ |
||
| 72 | _3.push(this._rootNode.rows[i]);
|
||
| 73 | } |
||
| 74 | }else{
|
||
| 75 | for(i=0;i<this._rootNode.childNodes.length;i++){ |
||
| 76 | if(this._rootNode.childNodes[i].nodeType===1){ |
||
| 77 | _3.push(this._rootNode.childNodes[i]);
|
||
| 78 | } |
||
| 79 | } |
||
| 80 | } |
||
| 81 | return _3;
|
||
| 82 | },_assertIsItem:function(_4){ |
||
| 83 | if(!this.isItem(_4)){ |
||
| 84 | throw new Error("dojo.data.HtmlStore: a function was passed an item argument that was not an item"); |
||
| 85 | } |
||
| 86 | },_assertIsAttribute:function(_5){ |
||
| 87 | if(typeof _5!=="string"){ |
||
| 88 | throw new Error("dojo.data.HtmlStore: a function was passed an attribute argument that was not an attribute name string"); |
||
| 89 | return -1; |
||
| 90 | } |
||
| 91 | return dojo.indexOf(this._headings,_5); |
||
| 92 | },getValue:function(_6,_7,_8){ |
||
| 93 | var _9=this.getValues(_6,_7); |
||
| 94 | return (_9.length>0)?_9[0]:_8; |
||
| 95 | },getValues:function(_a,_b){ |
||
| 96 | this._assertIsItem(_a);
|
||
| 97 | var _c=this._assertIsAttribute(_b); |
||
| 98 | if(_c>-1){ |
||
| 99 | var _d;
|
||
| 100 | if(_a.cells){
|
||
| 101 | _d=dojox.xml.parser.textContent(_a.cells[_c]); |
||
| 102 | }else{
|
||
| 103 | _d=dojox.xml.parser.textContent(_a); |
||
| 104 | } |
||
| 105 | return [this.trimWhitespace?dojo.trim(_d):_d]; |
||
| 106 | } |
||
| 107 | return [];
|
||
| 108 | },getAttributes:function(_e){ |
||
| 109 | this._assertIsItem(_e);
|
||
| 110 | var _f=[];
|
||
| 111 | for(var i=0;i<this._headings.length;i++){ |
||
| 112 | if(this.hasAttribute(_e,this._headings[i])){ |
||
| 113 | _f.push(this._headings[i]);
|
||
| 114 | } |
||
| 115 | } |
||
| 116 | return _f;
|
||
| 117 | },hasAttribute:function(_10,_11){ |
||
| 118 | return this.getValues(_10,_11).length>0; |
||
| 119 | },containsValue:function(_12,_13,_14){ |
||
| 120 | var _15=undefined; |
||
| 121 | if(typeof _14==="string"){ |
||
| 122 | _15=dojo.data.util.filter.patternToRegExp(_14,false);
|
||
| 123 | } |
||
| 124 | return this._containsValue(_12,_13,_14,_15); |
||
| 125 | },_containsValue:function(_16,_17,_18,_19){ |
||
| 126 | var _1a=this.getValues(_16,_17); |
||
| 127 | for(var i=0;i<_1a.length;++i){ |
||
| 128 | var _1b=_1a[i];
|
||
| 129 | if(typeof _1b==="string"&&_19){ |
||
| 130 | return (_1b.match(_19)!==null); |
||
| 131 | }else{
|
||
| 132 | if(_18===_1b){
|
||
| 133 | return true; |
||
| 134 | } |
||
| 135 | } |
||
| 136 | } |
||
| 137 | return false; |
||
| 138 | },isItem:function(_1c){ |
||
| 139 | if(_1c&&_1c.store&&_1c.store===this){ |
||
| 140 | return true; |
||
| 141 | } |
||
| 142 | return false; |
||
| 143 | },isItemLoaded:function(_1d){ |
||
| 144 | return this.isItem(_1d); |
||
| 145 | },loadItem:function(_1e){ |
||
| 146 | this._assertIsItem(_1e.item);
|
||
| 147 | },_fetchItems:function(_1f,_20,_21){ |
||
| 148 | if(this._rootNode){ |
||
| 149 | this._finishFetchItems(_1f,_20,_21);
|
||
| 150 | }else{
|
||
| 151 | if(!this.url){ |
||
| 152 | this._rootNode=dojo.byId(this.dataId); |
||
| 153 | }else{
|
||
| 154 | var _22={url:this.url,handleAs:"text",preventCache:this.urlPreventCache}; |
||
| 155 | var _23=this; |
||
| 156 | var _24=dojo.xhrGet(_22);
|
||
| 157 | _24.addCallback(function(_25){
|
||
| 158 | var _26=function(_27,id){ |
||
| 159 | if(_27.id==id){
|
||
| 160 | return _27;
|
||
| 161 | } |
||
| 162 | if(_27.childNodes){
|
||
| 163 | for(var i=0;i<_27.childNodes.length;i++){ |
||
| 164 | var _28=_26(_27.childNodes[i],id);
|
||
| 165 | if(_28){
|
||
| 166 | return _28;
|
||
| 167 | } |
||
| 168 | } |
||
| 169 | } |
||
| 170 | return null; |
||
| 171 | }; |
||
| 172 | var d=document.createElement("div"); |
||
| 173 | d.innerHTML=_25; |
||
| 174 | _23._rootNode=_26(d,_23.dataId); |
||
| 175 | _23._indexItems(); |
||
| 176 | _23._finishFetchItems(_1f,_20,_21); |
||
| 177 | }); |
||
| 178 | _24.addErrback(function(_29){
|
||
| 179 | _21(_29,_1f); |
||
| 180 | }); |
||
| 181 | } |
||
| 182 | } |
||
| 183 | },_finishFetchItems:function(_2a,_2b,_2c){ |
||
| 184 | var _2d=[];
|
||
| 185 | var _2e=this._getAllItems(); |
||
| 186 | if(_2a.query){
|
||
| 187 | var _2f=_2a.queryOptions?_2a.queryOptions.ignoreCase:false; |
||
| 188 | _2d=[]; |
||
| 189 | var _30={};
|
||
| 190 | var key;
|
||
| 191 | var _31;
|
||
| 192 | for(key in _2a.query){ |
||
| 193 | _31=_2a.query[key]+"";
|
||
| 194 | if(typeof _31==="string"){ |
||
| 195 | _30[key]=dojo.data.util.filter.patternToRegExp(_31,_2f); |
||
| 196 | } |
||
| 197 | } |
||
| 198 | for(var i=0;i<_2e.length;++i){ |
||
| 199 | var _32=true; |
||
| 200 | var _33=_2e[i];
|
||
| 201 | for(key in _2a.query){ |
||
| 202 | _31=_2a.query[key]+"";
|
||
| 203 | if(!this._containsValue(_33,key,_31,_30[key])){ |
||
| 204 | _32=false;
|
||
| 205 | } |
||
| 206 | } |
||
| 207 | if(_32){
|
||
| 208 | _2d.push(_33); |
||
| 209 | } |
||
| 210 | } |
||
| 211 | _2b(_2d,_2a); |
||
| 212 | }else{
|
||
| 213 | if(_2e.length>0){ |
||
| 214 | _2d=_2e.slice(0,_2e.length);
|
||
| 215 | } |
||
| 216 | _2b(_2d,_2a); |
||
| 217 | } |
||
| 218 | },getFeatures:function(){ |
||
| 219 | return {"dojo.data.api.Read":true,"dojo.data.api.Identity":true}; |
||
| 220 | },close:function(_34){ |
||
| 221 | },getLabel:function(_35){ |
||
| 222 | if(this.isItem(_35)){ |
||
| 223 | if(_35.cells){
|
||
| 224 | return "Item #"+this.getIdentity(_35); |
||
| 225 | }else{
|
||
| 226 | return this.getValue(_35,"name"); |
||
| 227 | } |
||
| 228 | } |
||
| 229 | return undefined; |
||
| 230 | },getLabelAttributes:function(_36){ |
||
| 231 | if(_36.cells){
|
||
| 232 | return null; |
||
| 233 | }else{
|
||
| 234 | return ["name"]; |
||
| 235 | } |
||
| 236 | },getIdentity:function(_37){ |
||
| 237 | this._assertIsItem(_37);
|
||
| 238 | if(this.hasAttribute(_37,"name")){ |
||
| 239 | return this.getValue(_37,"name"); |
||
| 240 | }else{
|
||
| 241 | return _37._ident;
|
||
| 242 | } |
||
| 243 | },getIdentityAttributes:function(_38){ |
||
| 244 | return null; |
||
| 245 | },fetchItemByIdentity:function(_39){ |
||
| 246 | var _3a=_39.identity;
|
||
| 247 | var _3b=this; |
||
| 248 | var _3c=null; |
||
| 249 | var _3d=null; |
||
| 250 | if(!this._rootNode){ |
||
| 251 | if(!this.url){ |
||
| 252 | this._rootNode=dojo.byId(this.dataId); |
||
| 253 | this._indexItems();
|
||
| 254 | if(_3b._rootNode.rows){
|
||
| 255 | _3c=this._rootNode.rows[_3a+1]; |
||
| 256 | }else{
|
||
| 257 | for(var i=0;i<_3b._rootNode.childNodes.length;i++){ |
||
| 258 | if(_3b._rootNode.childNodes[i].nodeType===1&&_3a===dojox.xml.parser.textContent(_3b._rootNode.childNodes[i])){ |
||
| 259 | _3c=_3b._rootNode.childNodes[i]; |
||
| 260 | } |
||
| 261 | } |
||
| 262 | } |
||
| 263 | if(_39.onItem){
|
||
| 264 | _3d=_39.scope?_39.scope:dojo.global; |
||
| 265 | _39.onItem.call(_3d,_3c); |
||
| 266 | } |
||
| 267 | }else{
|
||
| 268 | var _3e={url:this.url,handleAs:"text"}; |
||
| 269 | var _3f=dojo.xhrGet(_3e);
|
||
| 270 | _3f.addCallback(function(_40){
|
||
| 271 | var _41=function(_42,id){ |
||
| 272 | if(_42.id==id){
|
||
| 273 | return _42;
|
||
| 274 | } |
||
| 275 | if(_42.childNodes){
|
||
| 276 | for(var i=0;i<_42.childNodes.length;i++){ |
||
| 277 | var _43=_41(_42.childNodes[i],id);
|
||
| 278 | if(_43){
|
||
| 279 | return _43;
|
||
| 280 | } |
||
| 281 | } |
||
| 282 | } |
||
| 283 | return null; |
||
| 284 | }; |
||
| 285 | var d=document.createElement("div"); |
||
| 286 | d.innerHTML=_40; |
||
| 287 | _3b._rootNode=_41(d,_3b.dataId); |
||
| 288 | _3b._indexItems(); |
||
| 289 | if(_3b._rootNode.rows&&_3a<=_3b._rootNode.rows.length){
|
||
| 290 | _3c=_3b._rootNode.rows[_3a-1];
|
||
| 291 | }else{
|
||
| 292 | for(var i=0;i<_3b._rootNode.childNodes.length;i++){ |
||
| 293 | if(_3b._rootNode.childNodes[i].nodeType===1&&_3a===dojox.xml.parser.textContent(_3b._rootNode.childNodes[i])){ |
||
| 294 | _3c=_3b._rootNode.childNodes[i]; |
||
| 295 | break;
|
||
| 296 | } |
||
| 297 | } |
||
| 298 | } |
||
| 299 | if(_39.onItem){
|
||
| 300 | _3d=_39.scope?_39.scope:dojo.global; |
||
| 301 | _39.onItem.call(_3d,_3c); |
||
| 302 | } |
||
| 303 | }); |
||
| 304 | _3f.addErrback(function(_44){
|
||
| 305 | if(_39.onError){
|
||
| 306 | _3d=_39.scope?_39.scope:dojo.global; |
||
| 307 | _39.onError.call(_3d,_44); |
||
| 308 | } |
||
| 309 | }); |
||
| 310 | } |
||
| 311 | }else{
|
||
| 312 | if(this._rootNode.rows[_3a+1]){ |
||
| 313 | _3c=this._rootNode.rows[_3a+1]; |
||
| 314 | if(_39.onItem){
|
||
| 315 | _3d=_39.scope?_39.scope:dojo.global; |
||
| 316 | _39.onItem.call(_3d,_3c); |
||
| 317 | } |
||
| 318 | } |
||
| 319 | } |
||
| 320 | }}); |
||
| 321 | dojo.extend(dojox.data.HtmlStore,dojo.data.util.simpleFetch); |
||
| 322 | } |