root / trunk / web / dojo / dijit / _base / wai.js @ 11
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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["dijit._base.wai"]){ |
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dojo._hasResource["dijit._base.wai"]=true; |
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dojo.provide("dijit._base.wai");
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dijit.wai={onload:function(){
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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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var cs=dojo.getComputedStyle(_1);
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if(cs){
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var _2=cs.backgroundImage;
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var _3=(cs.borderTopColor==cs.borderRightColor)||(_2!=null&&(_2=="none"||_2=="url(invalid-url:)")); |
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dojo[_3?"addClass":"removeClass"](dojo.body(),"dijit_a11y"); |
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if(dojo.isIE){
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_1.outerHTML="";
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}else{
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dojo.body().removeChild(_1); |
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} |
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} |
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}}; |
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if(dojo.isIE||dojo.isMoz){
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dojo._loaders.unshift(dijit.wai.onload); |
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} |
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dojo.mixin(dijit,{_XhtmlRoles:/banner|contentinfo|definition|main|navigation|search|note|secondary|seealso/,hasWaiRole:function(_4,_5){
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var _6=this.getWaiRole(_4); |
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return _5?(_6.indexOf(_5)>-1):(_6.length>0); |
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},getWaiRole:function(_7){ |
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return dojo.trim((dojo.attr(_7,"role")||"").replace(this._XhtmlRoles,"").replace("wairole:","")); |
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},setWaiRole:function(_8,_9){ |
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var _a=dojo.attr(_8,"role")||""; |
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if(!this._XhtmlRoles.test(_a)){ |
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dojo.attr(_8,"role",_9);
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}else{
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if((" "+_a+" ").indexOf(" "+_9+" ")<0){ |
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var _b=dojo.trim(_a.replace(this._XhtmlRoles,"")); |
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var _c=dojo.trim(_a.replace(_b,"")); |
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dojo.attr(_8,"role",_c+(_c?" ":"")+_9); |
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} |
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} |
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},removeWaiRole:function(_d,_e){ |
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var _f=dojo.attr(_d,"role"); |
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if(!_f){
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return;
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} |
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if(_e){
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var t=dojo.trim((" "+_f+" ").replace(" "+_e+" "," ")); |
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dojo.attr(_d,"role",t);
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}else{
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_d.removeAttribute("role");
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} |
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},hasWaiState:function(_10,_11){ |
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return _10.hasAttribute?_10.hasAttribute("aria-"+_11):!!_10.getAttribute("aria-"+_11); |
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},getWaiState:function(_12,_13){ |
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return _12.getAttribute("aria-"+_13)||""; |
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},setWaiState:function(_14,_15,_16){ |
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_14.setAttribute("aria-"+_15,_16);
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},removeWaiState:function(_17,_18){ |
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_17.removeAttribute("aria-"+_18);
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}}); |
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} |