root / trunk / web / dojo / dijit / _base / wai.js @ 12
History | View | Annotate | Download (2.13 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["dijit._base.wai"]){ |
||
| 9 | dojo._hasResource["dijit._base.wai"]=true; |
||
| 10 | dojo.provide("dijit._base.wai");
|
||
| 11 | dijit.wai={onload:function(){
|
||
| 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()); |
||
| 13 | var cs=dojo.getComputedStyle(_1);
|
||
| 14 | if(cs){
|
||
| 15 | var _2=cs.backgroundImage;
|
||
| 16 | var _3=(cs.borderTopColor==cs.borderRightColor)||(_2!=null&&(_2=="none"||_2=="url(invalid-url:)")); |
||
| 17 | dojo[_3?"addClass":"removeClass"](dojo.body(),"dijit_a11y"); |
||
| 18 | if(dojo.isIE){
|
||
| 19 | _1.outerHTML="";
|
||
| 20 | }else{
|
||
| 21 | dojo.body().removeChild(_1); |
||
| 22 | } |
||
| 23 | } |
||
| 24 | }}; |
||
| 25 | if(dojo.isIE||dojo.isMoz){
|
||
| 26 | dojo._loaders.unshift(dijit.wai.onload); |
||
| 27 | } |
||
| 28 | dojo.mixin(dijit,{_XhtmlRoles:/banner|contentinfo|definition|main|navigation|search|note|secondary|seealso/,hasWaiRole:function(_4,_5){
|
||
| 29 | var _6=this.getWaiRole(_4); |
||
| 30 | return _5?(_6.indexOf(_5)>-1):(_6.length>0); |
||
| 31 | },getWaiRole:function(_7){ |
||
| 32 | return dojo.trim((dojo.attr(_7,"role")||"").replace(this._XhtmlRoles,"").replace("wairole:","")); |
||
| 33 | },setWaiRole:function(_8,_9){ |
||
| 34 | var _a=dojo.attr(_8,"role")||""; |
||
| 35 | if(!this._XhtmlRoles.test(_a)){ |
||
| 36 | dojo.attr(_8,"role",_9);
|
||
| 37 | }else{
|
||
| 38 | if((" "+_a+" ").indexOf(" "+_9+" ")<0){ |
||
| 39 | var _b=dojo.trim(_a.replace(this._XhtmlRoles,"")); |
||
| 40 | var _c=dojo.trim(_a.replace(_b,"")); |
||
| 41 | dojo.attr(_8,"role",_c+(_c?" ":"")+_9); |
||
| 42 | } |
||
| 43 | } |
||
| 44 | },removeWaiRole:function(_d,_e){ |
||
| 45 | var _f=dojo.attr(_d,"role"); |
||
| 46 | if(!_f){
|
||
| 47 | return;
|
||
| 48 | } |
||
| 49 | if(_e){
|
||
| 50 | var t=dojo.trim((" "+_f+" ").replace(" "+_e+" "," ")); |
||
| 51 | dojo.attr(_d,"role",t);
|
||
| 52 | }else{
|
||
| 53 | _d.removeAttribute("role");
|
||
| 54 | } |
||
| 55 | },hasWaiState:function(_10,_11){ |
||
| 56 | return _10.hasAttribute?_10.hasAttribute("aria-"+_11):!!_10.getAttribute("aria-"+_11); |
||
| 57 | },getWaiState:function(_12,_13){ |
||
| 58 | return _12.getAttribute("aria-"+_13)||""; |
||
| 59 | },setWaiState:function(_14,_15,_16){ |
||
| 60 | _14.setAttribute("aria-"+_15,_16);
|
||
| 61 | },removeWaiState:function(_17,_18){ |
||
| 62 | _17.removeAttribute("aria-"+_18);
|
||
| 63 | }}); |
||
| 64 | } |