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