root / trunk / web / dojo / dojox / data / CssRuleStore.js @ 10
History | View | Annotate | Download (6.63 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.CssRuleStore"]){ |
||
| 9 | dojo._hasResource["dojox.data.CssRuleStore"]=true; |
||
| 10 | dojo.provide("dojox.data.CssRuleStore");
|
||
| 11 | dojo.require("dojo.data.util.filter");
|
||
| 12 | dojo.require("dojo.data.util.sorter");
|
||
| 13 | dojo.require("dojox.data.css");
|
||
| 14 | dojo.declare("dojox.data.CssRuleStore",null,{_storeRef:"_S",_labelAttribute:"selector",_cache:null,_browserMap:null,_cName:"dojox.data.CssRuleStore",constructor:function(_1){ |
||
| 15 | if(_1){
|
||
| 16 | dojo.mixin(this,_1);
|
||
| 17 | } |
||
| 18 | this._cache={};
|
||
| 19 | this._allItems=null; |
||
| 20 | this._waiting=[];
|
||
| 21 | this.gatherHandle=null; |
||
| 22 | var _2=this; |
||
| 23 | function _3(){ |
||
| 24 | try{
|
||
| 25 | _2.context=dojox.data.css.determineContext(_2.context); |
||
| 26 | if(_2.gatherHandle){
|
||
| 27 | clearInterval(_2.gatherHandle); |
||
| 28 | _2.gatherHandle=null;
|
||
| 29 | } |
||
| 30 | while(_2._waiting.length){
|
||
| 31 | var _4=_2._waiting.pop();
|
||
| 32 | dojox.data.css.rules.forEach(_4.forFunc,null,_2.context);
|
||
| 33 | _4.finishFunc(); |
||
| 34 | } |
||
| 35 | } |
||
| 36 | catch(e){
|
||
| 37 | } |
||
| 38 | }; |
||
| 39 | this.gatherHandle=setInterval(_3,250); |
||
| 40 | },setContext:function(_5){ |
||
| 41 | if(_5){
|
||
| 42 | this.close();
|
||
| 43 | this.context=dojox.data.css.determineContext(_5);
|
||
| 44 | } |
||
| 45 | },getFeatures:function(){ |
||
| 46 | return {"dojo.data.api.Read":true}; |
||
| 47 | },isItem:function(_6){ |
||
| 48 | if(_6&&_6[this._storeRef]==this){ |
||
| 49 | return true; |
||
| 50 | } |
||
| 51 | return false; |
||
| 52 | },hasAttribute:function(_7,_8){ |
||
| 53 | this._assertIsItem(_7);
|
||
| 54 | this._assertIsAttribute(_8);
|
||
| 55 | var _9=this.getAttributes(_7); |
||
| 56 | if(dojo.indexOf(_9,_8)!=-1){ |
||
| 57 | return true; |
||
| 58 | } |
||
| 59 | return false; |
||
| 60 | },getAttributes:function(_a){ |
||
| 61 | this._assertIsItem(_a);
|
||
| 62 | var _b=["selector","classes","rule","style","cssText","styleSheet","parentStyleSheet","parentStyleSheetHref"]; |
||
| 63 | var _c=_a.rule.style;
|
||
| 64 | if(_c){
|
||
| 65 | var _d;
|
||
| 66 | for(_d in _c){ |
||
| 67 | _b.push("style."+_d);
|
||
| 68 | } |
||
| 69 | } |
||
| 70 | return _b;
|
||
| 71 | },getValue:function(_e,_f,_10){ |
||
| 72 | var _11=this.getValues(_e,_f); |
||
| 73 | var _12=_10;
|
||
| 74 | if(_11&&_11.length>0){ |
||
| 75 | return _11[0]; |
||
| 76 | } |
||
| 77 | return _10;
|
||
| 78 | },getValues:function(_13,_14){ |
||
| 79 | this._assertIsItem(_13);
|
||
| 80 | this._assertIsAttribute(_14);
|
||
| 81 | var _15=null; |
||
| 82 | if(_14==="selector"){ |
||
| 83 | _15=_13.rule["selectorText"];
|
||
| 84 | if(_15&&dojo.isString(_15)){
|
||
| 85 | _15=_15.split(",");
|
||
| 86 | } |
||
| 87 | }else{
|
||
| 88 | if(_14==="classes"){ |
||
| 89 | _15=_13.classes; |
||
| 90 | }else{
|
||
| 91 | if(_14==="rule"){ |
||
| 92 | _15=_13.rule.rule; |
||
| 93 | }else{
|
||
| 94 | if(_14==="style"){ |
||
| 95 | _15=_13.rule.style; |
||
| 96 | }else{
|
||
| 97 | if(_14==="cssText"){ |
||
| 98 | if(dojo.isIE){
|
||
| 99 | if(_13.rule.style){
|
||
| 100 | _15=_13.rule.style.cssText; |
||
| 101 | if(_15){
|
||
| 102 | _15="{ "+_15.toLowerCase()+" }"; |
||
| 103 | } |
||
| 104 | } |
||
| 105 | }else{
|
||
| 106 | _15=_13.rule.cssText; |
||
| 107 | if(_15){
|
||
| 108 | _15=_15.substring(_15.indexOf("{"),_15.length);
|
||
| 109 | } |
||
| 110 | } |
||
| 111 | }else{
|
||
| 112 | if(_14==="styleSheet"){ |
||
| 113 | _15=_13.rule.styleSheet; |
||
| 114 | }else{
|
||
| 115 | if(_14==="parentStyleSheet"){ |
||
| 116 | _15=_13.rule.parentStyleSheet; |
||
| 117 | }else{
|
||
| 118 | if(_14==="parentStyleSheetHref"){ |
||
| 119 | if(_13.href){
|
||
| 120 | _15=_13.href; |
||
| 121 | } |
||
| 122 | }else{
|
||
| 123 | if(_14.indexOf("style.")===0){ |
||
| 124 | var _16=_14.substring(_14.indexOf("."),_14.length); |
||
| 125 | _15=_13.rule.style[_16]; |
||
| 126 | }else{
|
||
| 127 | _15=[]; |
||
| 128 | } |
||
| 129 | } |
||
| 130 | } |
||
| 131 | } |
||
| 132 | } |
||
| 133 | } |
||
| 134 | } |
||
| 135 | } |
||
| 136 | } |
||
| 137 | if(_15!==undefined){ |
||
| 138 | if(!dojo.isArray(_15)){
|
||
| 139 | _15=[_15]; |
||
| 140 | } |
||
| 141 | } |
||
| 142 | return _15;
|
||
| 143 | },getLabel:function(_17){ |
||
| 144 | this._assertIsItem(_17);
|
||
| 145 | return this.getValue(_17,this._labelAttribute); |
||
| 146 | },getLabelAttributes:function(_18){ |
||
| 147 | return [this._labelAttribute]; |
||
| 148 | },containsValue:function(_19,_1a,_1b){ |
||
| 149 | var _1c=undefined; |
||
| 150 | if(typeof _1b==="string"){ |
||
| 151 | _1c=dojo.data.util.filter.patternToRegExp(_1b,false);
|
||
| 152 | } |
||
| 153 | return this._containsValue(_19,_1a,_1b,_1c); |
||
| 154 | },isItemLoaded:function(_1d){ |
||
| 155 | return this.isItem(_1d); |
||
| 156 | },loadItem:function(_1e){ |
||
| 157 | this._assertIsItem(_1e.item);
|
||
| 158 | },fetch:function(_1f){ |
||
| 159 | _1f=_1f||{};
|
||
| 160 | if(!_1f.store){
|
||
| 161 | _1f.store=this;
|
||
| 162 | } |
||
| 163 | var _20=_1f.scope||dojo.global;
|
||
| 164 | if(this._pending&&this._pending.length>0){ |
||
| 165 | this._pending.push({request:_1f,fetch:true}); |
||
| 166 | }else{
|
||
| 167 | this._pending=[{request:_1f,fetch:true}]; |
||
| 168 | this._fetch(_1f);
|
||
| 169 | } |
||
| 170 | return _1f;
|
||
| 171 | },_fetch:function(_21){ |
||
| 172 | var _22=_21.scope||dojo.global;
|
||
| 173 | if(this._allItems===null){ |
||
| 174 | this._allItems={};
|
||
| 175 | try{
|
||
| 176 | if(this.gatherHandle){ |
||
| 177 | this._waiting.push({"forFunc":dojo.hitch(this,this._handleRule),"finishFunc":dojo.hitch(this,this._handleReturn)}); |
||
| 178 | }else{
|
||
| 179 | dojox.data.css.rules.forEach(dojo.hitch(this,this._handleRule),null,this.context); |
||
| 180 | this._handleReturn();
|
||
| 181 | } |
||
| 182 | } |
||
| 183 | catch(e){
|
||
| 184 | if(_21.onError){
|
||
| 185 | _21.onError.call(_22,e,_21); |
||
| 186 | } |
||
| 187 | } |
||
| 188 | }else{
|
||
| 189 | this._handleReturn();
|
||
| 190 | } |
||
| 191 | },_handleRule:function(_23,_24,_25){ |
||
| 192 | var _26=_23["selectorText"]; |
||
| 193 | var s=_26.split(" "); |
||
| 194 | var _27=[];
|
||
| 195 | for(var j=0;j<s.length;j++){ |
||
| 196 | var tmp=s[j];
|
||
| 197 | var _28=tmp.indexOf("."); |
||
| 198 | if(tmp&&tmp.length>0&&_28!==-1){ |
||
| 199 | var _29=tmp.indexOf(",")||tmp.indexOf("["); |
||
| 200 | tmp=tmp.substring(_28,((_29!==-1&&_29>_28)?_29:tmp.length));
|
||
| 201 | _27.push(tmp); |
||
| 202 | } |
||
| 203 | } |
||
| 204 | var _2a={};
|
||
| 205 | _2a.rule=_23; |
||
| 206 | _2a.styleSheet=_24; |
||
| 207 | _2a.href=_25; |
||
| 208 | _2a.classes=_27; |
||
| 209 | _2a[this._storeRef]=this; |
||
| 210 | if(!this._allItems[_26]){ |
||
| 211 | this._allItems[_26]=[];
|
||
| 212 | } |
||
| 213 | this._allItems[_26].push(_2a);
|
||
| 214 | },_handleReturn:function(){ |
||
| 215 | var _2b=[];
|
||
| 216 | var _2c=[];
|
||
| 217 | var _2d=null; |
||
| 218 | for(var i in this._allItems){ |
||
| 219 | _2d=this._allItems[i];
|
||
| 220 | for(var j in _2d){ |
||
| 221 | _2c.push(_2d[j]); |
||
| 222 | } |
||
| 223 | } |
||
| 224 | var _2e;
|
||
| 225 | while(this._pending.length){ |
||
| 226 | _2e=this._pending.pop();
|
||
| 227 | _2e.request._items=_2c; |
||
| 228 | _2b.push(_2e); |
||
| 229 | } |
||
| 230 | while(_2b.length){
|
||
| 231 | _2e=_2b.pop(); |
||
| 232 | this._handleFetchReturn(_2e.request);
|
||
| 233 | } |
||
| 234 | },_handleFetchReturn:function(_2f){ |
||
| 235 | var _30=_2f.scope||dojo.global;
|
||
| 236 | var _31=[];
|
||
| 237 | var _32="all"; |
||
| 238 | var i;
|
||
| 239 | if(_2f.query){
|
||
| 240 | _32=dojo.toJson(_2f.query); |
||
| 241 | } |
||
| 242 | if(this._cache[_32]){ |
||
| 243 | _31=this._cache[_32];
|
||
| 244 | }else{
|
||
| 245 | if(_2f.query){
|
||
| 246 | for(i in _2f._items){ |
||
| 247 | var _33=_2f._items[i];
|
||
| 248 | var _34=dojo.isWebKit?true:(_2f.queryOptions?_2f.queryOptions.ignoreCase:false); |
||
| 249 | var _35={};
|
||
| 250 | var key;
|
||
| 251 | var _36;
|
||
| 252 | for(key in _2f.query){ |
||
| 253 | _36=_2f.query[key]; |
||
| 254 | if(typeof _36==="string"){ |
||
| 255 | _35[key]=dojo.data.util.filter.patternToRegExp(_36,_34); |
||
| 256 | } |
||
| 257 | } |
||
| 258 | var _37=true; |
||
| 259 | for(key in _2f.query){ |
||
| 260 | _36=_2f.query[key]; |
||
| 261 | if(!this._containsValue(_33,key,_36,_35[key])){ |
||
| 262 | _37=false;
|
||
| 263 | } |
||
| 264 | } |
||
| 265 | if(_37){
|
||
| 266 | _31.push(_33); |
||
| 267 | } |
||
| 268 | } |
||
| 269 | this._cache[_32]=_31;
|
||
| 270 | }else{
|
||
| 271 | for(i in _2f._items){ |
||
| 272 | _31.push(_2f._items[i]); |
||
| 273 | } |
||
| 274 | } |
||
| 275 | } |
||
| 276 | var _38=_31.length;
|
||
| 277 | if(_2f.sort){
|
||
| 278 | _31.sort(dojo.data.util.sorter.createSortFunction(_2f.sort,this));
|
||
| 279 | } |
||
| 280 | var _39=0; |
||
| 281 | var _3a=_31.length;
|
||
| 282 | if(_2f.start>0&&_2f.start<_31.length){ |
||
| 283 | _39=_2f.start; |
||
| 284 | } |
||
| 285 | if(_2f.count&&_2f.count){
|
||
| 286 | _3a=_2f.count; |
||
| 287 | } |
||
| 288 | var _3b=_39+_3a;
|
||
| 289 | if(_3b>_31.length){
|
||
| 290 | _3b=_31.length; |
||
| 291 | } |
||
| 292 | _31=_31.slice(_39,_3b); |
||
| 293 | if(_2f.onBegin){
|
||
| 294 | _2f.onBegin.call(_30,_38,_2f); |
||
| 295 | } |
||
| 296 | if(_2f.onItem){
|
||
| 297 | if(dojo.isArray(_31)){
|
||
| 298 | for(i=0;i<_31.length;i++){ |
||
| 299 | _2f.onItem.call(_30,_31[i],_2f); |
||
| 300 | } |
||
| 301 | if(_2f.onComplete){
|
||
| 302 | _2f.onComplete.call(_30,null,_2f);
|
||
| 303 | } |
||
| 304 | } |
||
| 305 | }else{
|
||
| 306 | if(_2f.onComplete){
|
||
| 307 | _2f.onComplete.call(_30,_31,_2f); |
||
| 308 | } |
||
| 309 | } |
||
| 310 | return _2f;
|
||
| 311 | },close:function(){ |
||
| 312 | this._cache={};
|
||
| 313 | this._allItems=null; |
||
| 314 | },_assertIsItem:function(_3c){ |
||
| 315 | if(!this.isItem(_3c)){ |
||
| 316 | throw new Error(this._cName+": Invalid item argument."); |
||
| 317 | } |
||
| 318 | },_assertIsAttribute:function(_3d){ |
||
| 319 | if(typeof _3d!=="string"){ |
||
| 320 | throw new Error(this._cName+": Invalid attribute argument."); |
||
| 321 | } |
||
| 322 | },_containsValue:function(_3e,_3f,_40,_41){ |
||
| 323 | return dojo.some(this.getValues(_3e,_3f),function(_42){ |
||
| 324 | if(_42!==null&&!dojo.isObject(_42)&&_41){ |
||
| 325 | if(_42.toString().match(_41)){
|
||
| 326 | return true; |
||
| 327 | } |
||
| 328 | }else{
|
||
| 329 | if(_40===_42){
|
||
| 330 | return true; |
||
| 331 | } |
||
| 332 | } |
||
| 333 | return false; |
||
| 334 | }); |
||
| 335 | }}); |
||
| 336 | } |