git.wh0rd.org / tt-rss.git / blame
| Commit | Line | Data |
|---|---|---|
| f0cfe83e AD |
1 | define("dijit/_base/wai", [ |
| 2 | "dojo/dom-attr", // domAttr.attr | |
| 3 | "dojo/_base/lang", // lang.mixin | |
| 4 | "../main", // export symbols to dijit | |
| 5 | "../hccss" // not using this module directly, but loading it sets CSS flag on <html> | |
| 6 | ], function(domAttr, lang, dijit){ | |
| 7 | ||
| 8 | // module: | |
| 9 | // dijit/_base/wai | |
| 10 | ||
| 11 | var exports = { | |
| 12 | // summary: | |
| 13 | // Deprecated methods for setting/getting wai roles and states. | |
| 14 | // New code should call setAttribute()/getAttribute() directly. | |
| 15 | // | |
| 16 | // Also loads hccss to apply dj_a11y class to root node if machine is in high-contrast mode. | |
| 17 | ||
| 18 | hasWaiRole: function(/*Element*/ elem, /*String?*/ role){ | |
| 19 | // summary: | |
| 20 | // Determines if an element has a particular role. | |
| 21 | // returns: | |
| 22 | // True if elem has the specific role attribute and false if not. | |
| 23 | // For backwards compatibility if role parameter not provided, | |
| 24 | // returns true if has a role | |
| 25 | var waiRole = this.getWaiRole(elem); | |
| 26 | return role ? (waiRole.indexOf(role) > -1) : (waiRole.length > 0); | |
| 27 | }, | |
| 28 | ||
| 29 | getWaiRole: function(/*Element*/ elem){ | |
| 30 | // summary: | |
| 31 | // Gets the role for an element (which should be a wai role). | |
| 32 | // returns: | |
| 33 | // The role of elem or an empty string if elem | |
| 34 | // does not have a role. | |
| 35 | return lang.trim((domAttr.get(elem, "role") || "").replace("wairole:","")); | |
| 36 | }, | |
| 37 | ||
| 38 | setWaiRole: function(/*Element*/ elem, /*String*/ role){ | |
| 39 | // summary: | |
| 40 | // Sets the role on an element. | |
| 41 | // description: | |
| 42 | // Replace existing role attribute with new role. | |
| 43 | ||
| 44 | domAttr.set(elem, "role", role); | |
| 45 | }, | |
| 46 | ||
| 47 | removeWaiRole: function(/*Element*/ elem, /*String*/ role){ | |
| 48 | // summary: | |
| 49 | // Removes the specified role from an element. | |
| 50 | // Removes role attribute if no specific role provided (for backwards compat.) | |
| 51 | ||
| 52 | var roleValue = domAttr.get(elem, "role"); | |
| 53 | if(!roleValue){ return; } | |
| 54 | if(role){ | |
| 55 | var t = lang.trim((" " + roleValue + " ").replace(" " + role + " ", " ")); | |
| 56 | domAttr.set(elem, "role", t); | |
| 57 | }else{ | |
| 58 | elem.removeAttribute("role"); | |
| 59 | } | |
| 60 | }, | |
| 61 | ||
| 62 | hasWaiState: function(/*Element*/ elem, /*String*/ state){ | |
| 63 | // summary: | |
| 64 | // Determines if an element has a given state. | |
| 65 | // description: | |
| 66 | // Checks for an attribute called "aria-"+state. | |
| 67 | // returns: | |
| 68 | // true if elem has a value for the given state and | |
| 69 | // false if it does not. | |
| 70 | ||
| 71 | return elem.hasAttribute ? elem.hasAttribute("aria-"+state) : !!elem.getAttribute("aria-"+state); | |
| 72 | }, | |
| 73 | ||
| 74 | getWaiState: function(/*Element*/ elem, /*String*/ state){ | |
| 75 | // summary: | |
| 76 | // Gets the value of a state on an element. | |
| 77 | // description: | |
| 78 | // Checks for an attribute called "aria-"+state. | |
| 79 | // returns: | |
| 80 | // The value of the requested state on elem | |
| 81 | // or an empty string if elem has no value for state. | |
| 82 | ||
| 83 | return elem.getAttribute("aria-"+state) || ""; | |
| 84 | }, | |
| 85 | ||
| 86 | setWaiState: function(/*Element*/ elem, /*String*/ state, /*String*/ value){ | |
| 87 | // summary: | |
| 88 | // Sets a state on an element. | |
| 89 | // description: | |
| 90 | // Sets an attribute called "aria-"+state. | |
| 91 | ||
| 92 | elem.setAttribute("aria-"+state, value); | |
| 93 | }, | |
| 94 | ||
| 95 | removeWaiState: function(/*Element*/ elem, /*String*/ state){ | |
| 96 | // summary: | |
| 97 | // Removes a state from an element. | |
| 98 | // description: | |
| 99 | // Sets an attribute called "aria-"+state. | |
| 100 | ||
| 101 | elem.removeAttribute("aria-"+state); | |
| 102 | } | |
| 103 | }; | |
| 104 | ||
| 105 | lang.mixin(dijit, exports); | |
| 106 | ||
| 107 | /*===== return exports; =====*/ | |
| 108 | return dijit; // for back compat :-( | |
| 109 | }); |