root / trunk / web / dojo / dojox / data / CssRuleStore.js
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.data.CssRuleStore"]){ |
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dojo._hasResource["dojox.data.CssRuleStore"]=true; |
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dojo.provide("dojox.data.CssRuleStore");
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dojo.require("dojo.data.util.filter");
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dojo.require("dojo.data.util.sorter");
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dojo.require("dojox.data.css");
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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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if(_1){
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dojo.mixin(this,_1);
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} |
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this._cache={};
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this._allItems=null; |
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this._waiting=[];
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this.gatherHandle=null; |
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var _2=this; |
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function _3(){ |
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try{
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_2.context=dojox.data.css.determineContext(_2.context); |
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if(_2.gatherHandle){
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clearInterval(_2.gatherHandle); |
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_2.gatherHandle=null;
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} |
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while(_2._waiting.length){
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var _4=_2._waiting.pop();
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dojox.data.css.rules.forEach(_4.forFunc,null,_2.context);
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_4.finishFunc(); |
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} |
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} |
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catch(e){
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} |
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}; |
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this.gatherHandle=setInterval(_3,250); |
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},setContext:function(_5){ |
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if(_5){
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this.close();
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this.context=dojox.data.css.determineContext(_5);
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} |
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},getFeatures:function(){ |
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return {"dojo.data.api.Read":true}; |
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},isItem:function(_6){ |
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if(_6&&_6[this._storeRef]==this){ |
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return true; |
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} |
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return false; |
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},hasAttribute:function(_7,_8){ |
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this._assertIsItem(_7);
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this._assertIsAttribute(_8);
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var _9=this.getAttributes(_7); |
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if(dojo.indexOf(_9,_8)!=-1){ |
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return true; |
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} |
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return false; |
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},getAttributes:function(_a){ |
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this._assertIsItem(_a);
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var _b=["selector","classes","rule","style","cssText","styleSheet","parentStyleSheet","parentStyleSheetHref"]; |
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var _c=_a.rule.style;
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if(_c){
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var _d;
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for(_d in _c){ |
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_b.push("style."+_d);
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} |
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} |
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return _b;
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},getValue:function(_e,_f,_10){ |
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var _11=this.getValues(_e,_f); |
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var _12=_10;
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if(_11&&_11.length>0){ |
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return _11[0]; |
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} |
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return _10;
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},getValues:function(_13,_14){ |
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this._assertIsItem(_13);
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this._assertIsAttribute(_14);
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var _15=null; |
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if(_14==="selector"){ |
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_15=_13.rule["selectorText"];
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if(_15&&dojo.isString(_15)){
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_15=_15.split(",");
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} |
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}else{
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if(_14==="classes"){ |
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_15=_13.classes; |
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}else{
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if(_14==="rule"){ |
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_15=_13.rule.rule; |
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}else{
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if(_14==="style"){ |
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_15=_13.rule.style; |
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}else{
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if(_14==="cssText"){ |
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if(dojo.isIE){
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if(_13.rule.style){
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_15=_13.rule.style.cssText; |
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if(_15){
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_15="{ "+_15.toLowerCase()+" }"; |
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} |
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} |
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}else{
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_15=_13.rule.cssText; |
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if(_15){
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_15=_15.substring(_15.indexOf("{"),_15.length);
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} |
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} |
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}else{
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if(_14==="styleSheet"){ |
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_15=_13.rule.styleSheet; |
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}else{
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if(_14==="parentStyleSheet"){ |
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_15=_13.rule.parentStyleSheet; |
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}else{
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if(_14==="parentStyleSheetHref"){ |
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if(_13.href){
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_15=_13.href; |
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} |
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}else{
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if(_14.indexOf("style.")===0){ |
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var _16=_14.substring(_14.indexOf("."),_14.length); |
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_15=_13.rule.style[_16]; |
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}else{
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_15=[]; |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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if(_15!==undefined){ |
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if(!dojo.isArray(_15)){
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_15=[_15]; |
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} |
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} |
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return _15;
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},getLabel:function(_17){ |
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this._assertIsItem(_17);
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return this.getValue(_17,this._labelAttribute); |
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},getLabelAttributes:function(_18){ |
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return [this._labelAttribute]; |
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},containsValue:function(_19,_1a,_1b){ |
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var _1c=undefined; |
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if(typeof _1b==="string"){ |
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_1c=dojo.data.util.filter.patternToRegExp(_1b,false);
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} |
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return this._containsValue(_19,_1a,_1b,_1c); |
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},isItemLoaded:function(_1d){ |
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return this.isItem(_1d); |
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},loadItem:function(_1e){ |
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this._assertIsItem(_1e.item);
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},fetch:function(_1f){ |
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_1f=_1f||{}; |
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if(!_1f.store){
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_1f.store=this;
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} |
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var _20=_1f.scope||dojo.global;
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if(this._pending&&this._pending.length>0){ |
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this._pending.push({request:_1f,fetch:true}); |
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}else{
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this._pending=[{request:_1f,fetch:true}]; |
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this._fetch(_1f);
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} |
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return _1f;
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},_fetch:function(_21){ |
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var _22=_21.scope||dojo.global;
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if(this._allItems===null){ |
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this._allItems={};
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try{
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if(this.gatherHandle){ |
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this._waiting.push({"forFunc":dojo.hitch(this,this._handleRule),"finishFunc":dojo.hitch(this,this._handleReturn)}); |
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}else{
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dojox.data.css.rules.forEach(dojo.hitch(this,this._handleRule),null,this.context); |
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this._handleReturn();
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} |
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} |
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catch(e){
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if(_21.onError){
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_21.onError.call(_22,e,_21); |
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} |
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} |
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}else{
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this._handleReturn();
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} |
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},_handleRule:function(_23,_24,_25){ |
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var _26=_23["selectorText"]; |
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var s=_26.split(" "); |
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var _27=[];
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for(var j=0;j<s.length;j++){ |
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var tmp=s[j];
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var _28=tmp.indexOf("."); |
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if(tmp&&tmp.length>0&&_28!==-1){ |
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var _29=tmp.indexOf(",")||tmp.indexOf("["); |
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tmp=tmp.substring(_28,((_29!==-1&&_29>_28)?_29:tmp.length));
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_27.push(tmp); |
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} |
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} |
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var _2a={};
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_2a.rule=_23; |
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_2a.styleSheet=_24; |
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_2a.href=_25; |
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_2a.classes=_27; |
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_2a[this._storeRef]=this; |
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if(!this._allItems[_26]){ |
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this._allItems[_26]=[];
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} |
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this._allItems[_26].push(_2a);
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},_handleReturn:function(){ |
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var _2b=[];
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var _2c=[];
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var _2d=null; |
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for(var i in this._allItems){ |
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_2d=this._allItems[i];
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for(var j in _2d){ |
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_2c.push(_2d[j]); |
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} |
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} |
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var _2e;
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while(this._pending.length){ |
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_2e=this._pending.pop();
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_2e.request._items=_2c; |
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_2b.push(_2e); |
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} |
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while(_2b.length){
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_2e=_2b.pop(); |
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this._handleFetchReturn(_2e.request);
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} |
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},_handleFetchReturn:function(_2f){ |
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var _30=_2f.scope||dojo.global;
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var _31=[];
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var _32="all"; |
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var i;
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if(_2f.query){
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_32=dojo.toJson(_2f.query); |
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} |
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if(this._cache[_32]){ |
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_31=this._cache[_32];
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}else{
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if(_2f.query){
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for(i in _2f._items){ |
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var _33=_2f._items[i];
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var _34=dojo.isWebKit?true:(_2f.queryOptions?_2f.queryOptions.ignoreCase:false); |
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var _35={};
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var key;
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var _36;
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for(key in _2f.query){ |
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_36=_2f.query[key]; |
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if(typeof _36==="string"){ |
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_35[key]=dojo.data.util.filter.patternToRegExp(_36,_34); |
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} |
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} |
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var _37=true; |
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for(key in _2f.query){ |
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_36=_2f.query[key]; |
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if(!this._containsValue(_33,key,_36,_35[key])){ |
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_37=false;
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} |
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} |
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if(_37){
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_31.push(_33); |
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} |
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} |
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this._cache[_32]=_31;
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}else{
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for(i in _2f._items){ |
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_31.push(_2f._items[i]); |
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} |
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} |
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} |
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var _38=_31.length;
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if(_2f.sort){
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_31.sort(dojo.data.util.sorter.createSortFunction(_2f.sort,this));
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} |
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var _39=0; |
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var _3a=_31.length;
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if(_2f.start>0&&_2f.start<_31.length){ |
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_39=_2f.start; |
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} |
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if(_2f.count&&_2f.count){
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_3a=_2f.count; |
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} |
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var _3b=_39+_3a;
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if(_3b>_31.length){
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_3b=_31.length; |
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} |
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_31=_31.slice(_39,_3b); |
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if(_2f.onBegin){
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_2f.onBegin.call(_30,_38,_2f); |
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} |
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if(_2f.onItem){
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if(dojo.isArray(_31)){
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for(i=0;i<_31.length;i++){ |
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_2f.onItem.call(_30,_31[i],_2f); |
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} |
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if(_2f.onComplete){
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_2f.onComplete.call(_30,null,_2f);
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} |
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} |
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}else{
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if(_2f.onComplete){
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_2f.onComplete.call(_30,_31,_2f); |
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} |
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} |
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return _2f;
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},close:function(){ |
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this._cache={};
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this._allItems=null; |
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},_assertIsItem:function(_3c){ |
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if(!this.isItem(_3c)){ |
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throw new Error(this._cName+": Invalid item argument."); |
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} |
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},_assertIsAttribute:function(_3d){ |
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if(typeof _3d!=="string"){ |
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throw new Error(this._cName+": Invalid attribute argument."); |
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} |
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},_containsValue:function(_3e,_3f,_40,_41){ |
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return dojo.some(this.getValues(_3e,_3f),function(_42){ |
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if(_42!==null&&!dojo.isObject(_42)&&_41){ |
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if(_42.toString().match(_41)){
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return true; |
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} |
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}else{
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if(_40===_42){
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return true; |
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} |
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} |
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return false; |
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}); |
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}}); |
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} |