root / trunk / web / dojo / dijit / _base / wai.js @ 13
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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["dijit._base.wai"]){ |
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| 9 | dojo._hasResource["dijit._base.wai"]=true; |
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| 10 | dojo.provide("dijit._base.wai");
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| 11 | dijit.wai={onload:function(){
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| 12 | var _1=dojo.create("div",{id:"a11yTestNode",style:{cssText:"border: 1px solid;"+"border-color:red green;"+"position: absolute;"+"height: 5px;"+"top: -999px;"+"background-image: url(\""+(dojo.config.blankGif||dojo.moduleUrl("dojo","resources/blank.gif"))+"\");"}},dojo.body()); |
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| 13 | var cs=dojo.getComputedStyle(_1);
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| 14 | if(cs){
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| 15 | var _2=cs.backgroundImage;
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| 16 | var _3=(cs.borderTopColor==cs.borderRightColor)||(_2!=null&&(_2=="none"||_2=="url(invalid-url:)")); |
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| 17 | dojo[_3?"addClass":"removeClass"](dojo.body(),"dijit_a11y"); |
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| 18 | if(dojo.isIE){
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| 19 | _1.outerHTML="";
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| 20 | }else{
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| 21 | dojo.body().removeChild(_1); |
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| 22 | } |
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| 23 | } |
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| 24 | }}; |
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| 25 | if(dojo.isIE||dojo.isMoz){
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| 26 | dojo._loaders.unshift(dijit.wai.onload); |
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| 27 | } |
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| 28 | dojo.mixin(dijit,{_XhtmlRoles:/banner|contentinfo|definition|main|navigation|search|note|secondary|seealso/,hasWaiRole:function(_4,_5){
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| 29 | var _6=this.getWaiRole(_4); |
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| 30 | return _5?(_6.indexOf(_5)>-1):(_6.length>0); |
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| 31 | },getWaiRole:function(_7){ |
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| 32 | return dojo.trim((dojo.attr(_7,"role")||"").replace(this._XhtmlRoles,"").replace("wairole:","")); |
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| 33 | },setWaiRole:function(_8,_9){ |
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| 34 | var _a=dojo.attr(_8,"role")||""; |
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| 35 | if(!this._XhtmlRoles.test(_a)){ |
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| 36 | dojo.attr(_8,"role",_9);
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| 37 | }else{
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| 38 | if((" "+_a+" ").indexOf(" "+_9+" ")<0){ |
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| 39 | var _b=dojo.trim(_a.replace(this._XhtmlRoles,"")); |
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| 40 | var _c=dojo.trim(_a.replace(_b,"")); |
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| 41 | dojo.attr(_8,"role",_c+(_c?" ":"")+_9); |
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| 42 | } |
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| 43 | } |
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| 44 | },removeWaiRole:function(_d,_e){ |
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| 45 | var _f=dojo.attr(_d,"role"); |
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| 46 | if(!_f){
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| 47 | return;
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| 48 | } |
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| 49 | if(_e){
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| 50 | var t=dojo.trim((" "+_f+" ").replace(" "+_e+" "," ")); |
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| 51 | dojo.attr(_d,"role",t);
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| 52 | }else{
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| 53 | _d.removeAttribute("role");
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| 54 | } |
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| 55 | },hasWaiState:function(_10,_11){ |
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| 56 | return _10.hasAttribute?_10.hasAttribute("aria-"+_11):!!_10.getAttribute("aria-"+_11); |
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| 57 | },getWaiState:function(_12,_13){ |
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| 58 | return _12.getAttribute("aria-"+_13)||""; |
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| 59 | },setWaiState:function(_14,_15,_16){ |
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| 60 | _14.setAttribute("aria-"+_15,_16);
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| 61 | },removeWaiState:function(_17,_18){ |
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| 62 | _17.removeAttribute("aria-"+_18);
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| 63 | }}); |
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| 64 | } |