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Diffstat (limited to 'includes/js/dijit/_base/wai.js')
-rw-r--r-- | includes/js/dijit/_base/wai.js | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/includes/js/dijit/_base/wai.js b/includes/js/dijit/_base/wai.js deleted file mode 100644 index a9d47a2..0000000 --- a/includes/js/dijit/_base/wai.js +++ /dev/null @@ -1,143 +0,0 @@ -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); - } - } -}); - -} |