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+define("dijit/_OnDijitClickMixin", [
+ "dojo/on",
+ "dojo/_base/array", // array.forEach
+ "dojo/keys", // keys.ENTER keys.SPACE
+ "dojo/_base/declare", // declare
+ "dojo/_base/sniff", // has("ie")
+ "dojo/_base/unload", // unload.addOnWindowUnload
+ "dojo/_base/window" // win.doc.addEventListener win.doc.attachEvent win.doc.detachEvent
+], function(on, array, keys, declare, has, unload, win){
+
+ // module:
+ // dijit/_OnDijitClickMixin
+ // summary:
+ // Mixin so you can pass "ondijitclick" to this.connect() method,
+ // as a way to handle clicks by mouse, or by keyboard (SPACE/ENTER key)
+
+
+ // Keep track of where the last keydown event was, to help avoid generating
+ // spurious ondijitclick events when:
+ // 1. focus is on a <button> or <a>
+ // 2. user presses then releases the ENTER key
+ // 3. onclick handler fires and shifts focus to another node, with an ondijitclick handler
+ // 4. onkeyup event fires, causing the ondijitclick handler to fire
+ var lastKeyDownNode = null;
+ if(has("ie")){
+ (function(){
+ var keydownCallback = function(evt){
+ lastKeyDownNode = evt.srcElement;
+ };
+ win.doc.attachEvent('onkeydown', keydownCallback);
+ unload.addOnWindowUnload(function(){
+ win.doc.detachEvent('onkeydown', keydownCallback);
+ });
+ })();
+ }else{
+ win.doc.addEventListener('keydown', function(evt){
+ lastKeyDownNode = evt.target;
+ }, true);
+ }
+
+ // Custom a11yclick (a.k.a. ondijitclick) event
+ var a11yclick = function(node, listener){
+ if(/input|button/i.test(node.nodeName)){
+ // pass through, the browser already generates click event on SPACE/ENTER key
+ return on(node, "click", listener);
+ }else{
+ // Don't fire the click event unless both the keydown and keyup occur on this node.
+ // Avoids problems where focus shifted to this node or away from the node on keydown,
+ // either causing this node to process a stray keyup event, or causing another node
+ // to get a stray keyup event.
+
+ function clickKey(/*Event*/ e){
+ return (e.keyCode == keys.ENTER || e.keyCode == keys.SPACE) &&
+ !e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey;
+ }
+ var handles = [
+ on(node, "keypress", function(e){
+ //console.log(this.id + ": onkeydown, e.target = ", e.target, ", lastKeyDownNode was ", lastKeyDownNode, ", equality is ", (e.target === lastKeyDownNode));
+ if(clickKey(e)){
+ // needed on IE for when focus changes between keydown and keyup - otherwise dropdown menus do not work
+ lastKeyDownNode = e.target;
+
+ // Prevent viewport scrolling on space key in IE<9.
+ // (Reproducible on test_Button.html on any of the first dijit.form.Button examples)
+ // Do this onkeypress rather than onkeydown because onkeydown.preventDefault() will
+ // suppress the onkeypress event, breaking _HasDropDown
+ e.preventDefault();
+ }
+ }),
+
+ on(node, "keyup", function(e){
+ //console.log(this.id + ": onkeyup, e.target = ", e.target, ", lastKeyDownNode was ", lastKeyDownNode, ", equality is ", (e.target === lastKeyDownNode));
+ if(clickKey(e) && e.target == lastKeyDownNode){ // === breaks greasemonkey
+ //need reset here or have problems in FF when focus returns to trigger element after closing popup/alert
+ lastKeyDownNode = null;
+ listener.call(this, e);
+ }
+ }),
+
+ on(node, "click", function(e){
+ // and connect for mouse clicks too (or touch-clicks on mobile)
+ listener.call(this, e);
+ })
+ ];
+
+ return {
+ remove: function(){
+ array.forEach(handles, function(h){ h.remove(); });
+ }
+ };
+ }
+ };
+
+ return declare("dijit._OnDijitClickMixin", null, {
+ connect: function(
+ /*Object|null*/ obj,
+ /*String|Function*/ event,
+ /*String|Function*/ method){
+ // summary:
+ // Connects specified obj/event to specified method of this object
+ // and registers for disconnect() on widget destroy.
+ // description:
+ // Provide widget-specific analog to connect.connect, except with the
+ // implicit use of this widget as the target object.
+ // This version of connect also provides a special "ondijitclick"
+ // event which triggers on a click or space or enter keyup.
+ // Events connected with `this.connect` are disconnected upon
+ // destruction.
+ // returns:
+ // A handle that can be passed to `disconnect` in order to disconnect before
+ // the widget is destroyed.
+ // example:
+ // | var btn = new dijit.form.Button();
+ // | // when foo.bar() is called, call the listener we're going to
+ // | // provide in the scope of btn
+ // | btn.connect(foo, "bar", function(){
+ // | console.debug(this.toString());
+ // | });
+ // tags:
+ // protected
+
+ return this.inherited(arguments, [obj, event == "ondijitclick" ? a11yclick : event, method]);
+ }
+ });
+});