+++ /dev/null
-if(!dojo._hasResource["dijit._base.wai"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dijit._base.wai"] = true;
-dojo.provide("dijit._base.wai");
-
-dijit.wai = {
- onload: function(){
- // summary:
- // Detects if we are in high-contrast mode or not
-
- // This must be a named function and not an anonymous
- // function, so that the widget parsing code can make sure it
- // registers its onload function after this function.
- // DO NOT USE "this" within this function.
-
- // create div for testing if high contrast mode is on or images are turned off
- var div = dojo.doc.createElement("div");
- div.id = "a11yTestNode";
- div.style.cssText = 'border: 1px solid;'
- + 'border-color:red green;'
- + 'position: absolute;'
- + 'height: 5px;'
- + 'top: -999px;'
- + 'background-image: url("' + dojo.moduleUrl("dojo", "resources/blank.gif") + '");';
- dojo.body().appendChild(div);
-
- // test it
- var cs = dojo.getComputedStyle(div);
- if(cs){
- var bkImg = cs.backgroundImage;
- var needsA11y = (cs.borderTopColor==cs.borderRightColor) || (bkImg != null && (bkImg == "none" || bkImg == "url(invalid-url:)" ));
- dojo[needsA11y ? "addClass" : "removeClass"](dojo.body(), "dijit_a11y");
- dojo.body().removeChild(div);
- }
- }
-};
-
-// Test if computer is in high contrast mode.
-// Make sure the a11y test runs first, before widgets are instantiated.
-if(dojo.isIE || dojo.isMoz){ // NOTE: checking in Safari messes things up
- dojo._loaders.unshift(dijit.wai.onload);
-}
-
-dojo.mixin(dijit,
-{
- hasWaiRole: function(/*Element*/ elem){
- // summary: Determines if an element has a role.
- // returns: true if elem has a role attribute and false if not.
- return elem.hasAttribute ? elem.hasAttribute("role") : !!elem.getAttribute("role");
- },
-
- getWaiRole: function(/*Element*/ elem){
- // summary: Gets the role for an element.
- // returns:
- // The role of elem or an empty string if elem
- // does not have a role.
- var value = elem.getAttribute("role");
- if(value){
- var prefixEnd = value.indexOf(":");
- return prefixEnd == -1 ? value : value.substring(prefixEnd+1);
- }else{
- return "";
- }
- },
-
- setWaiRole: function(/*Element*/ elem, /*String*/ role){
- // summary: Sets the role on an element.
- // description:
- // On Firefox 2 and below, "wairole:" is
- // prepended to the provided role value.
- elem.setAttribute("role", (dojo.isFF && dojo.isFF < 3) ? "wairole:" + role : role);
- },
-
- removeWaiRole: function(/*Element*/ elem){
- // summary: Removes the role from an element.
- elem.removeAttribute("role");
- },
-
- hasWaiState: function(/*Element*/ elem, /*String*/ state){
- // summary: Determines if an element has a given state.
- // description:
- // On Firefox 2 and below, we check for an attribute in namespace
- // "http://www.w3.org/2005/07/aaa" with a name of the given state.
- // On all other browsers, we check for an attribute
- // called "aria-"+state.
- // returns:
- // true if elem has a value for the given state and
- // false if it does not.
- if(dojo.isFF && dojo.isFF < 3){
- return elem.hasAttributeNS("http://www.w3.org/2005/07/aaa", state);
- }else{
- return elem.hasAttribute ? elem.hasAttribute("aria-"+state) : !!elem.getAttribute("aria-"+state);
- }
- },
-
- getWaiState: function(/*Element*/ elem, /*String*/ state){
- // summary: Gets the value of a state on an element.
- // description:
- // On Firefox 2 and below, we check for an attribute in namespace
- // "http://www.w3.org/2005/07/aaa" with a name of the given state.
- // On all other browsers, we check for an attribute called
- // "aria-"+state.
- // returns:
- // The value of the requested state on elem
- // or an empty string if elem has no value for state.
- if(dojo.isFF && dojo.isFF < 3){
- return elem.getAttributeNS("http://www.w3.org/2005/07/aaa", state);
- }else{
- var value = elem.getAttribute("aria-"+state);
- return value ? value : "";
- }
- },
-
- setWaiState: function(/*Element*/ elem, /*String*/ state, /*String*/ value){
- // summary: Sets a state on an element.
- // description:
- // On Firefox 2 and below, we set an attribute in namespace
- // "http://www.w3.org/2005/07/aaa" with a name of the given state.
- // On all other browsers, we set an attribute called
- // "aria-"+state.
- if(dojo.isFF && dojo.isFF < 3){
- elem.setAttributeNS("http://www.w3.org/2005/07/aaa",
- "aaa:"+state, value);
- }else{
- elem.setAttribute("aria-"+state, value);
- }
- },
-
- removeWaiState: function(/*Element*/ elem, /*String*/ state){
- // summary: Removes a state from an element.
- // description:
- // On Firefox 2 and below, we remove the attribute in namespace
- // "http://www.w3.org/2005/07/aaa" with a name of the given state.
- // On all other browsers, we remove the attribute called
- // "aria-"+state.
- if(dojo.isFF && dojo.isFF < 3){
- elem.removeAttributeNS("http://www.w3.org/2005/07/aaa", state);
- }else{
- elem.removeAttribute("aria-"+state);
- }
- }
-});
-
-}
projects / eow / blobdiff