init

jssource/src_files/include/javascript/yui3/build/event/event-focus.js

@@ -0,0 +1,90 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 3.0.0
+build: 1549
+*/
+YUI.add('event-focus', function(Y) {
+
+/**
+ * Adds focus and blur event listener support.  These events normally
+ * do not bubble, so this adds support for that so these events
+ * can be used in event delegation scenarios.
+ * 
+ * @module event
+ * @submodule event-focus
+ */
+(function() {
+
+var UA = Y.UA,
+	Event = Y.Event,
+	plugins = Y.Env.evt.plugins,
+	ie = UA.ie,
+	bUseMutation = (UA.opera || UA.webkit),
+	eventNames = {
+		focus: (ie ? 'focusin' : (bUseMutation ? 'DOMFocusIn' : 'focus')),
+		blur: (ie ? 'focusout' : (bUseMutation ? 'DOMFocusOut' : 'blur'))
+	},
+
+	//	Only need to use capture phase for Gecko since it doesn't support 
+	//	focusin, focusout, DOMFocusIn, or DOMFocusOut
+    CAPTURE_CONFIG = { capture: (UA.gecko ? true : false) },
+
+
+	attach = function (args, config) {
+
+	    var a = Y.Array(args, 0, true);
+		a[0] = eventNames[a[0]];
+	    return Event._attach(a, config);
+
+	},
+	
+	eventAdapter = {
+
+		on: function () {
+			return attach(arguments, CAPTURE_CONFIG);
+		}
+
+	};
+
+
+Event._attachFocus = attach;
+Event._attachBlur = attach;
+
+/**
+ * Adds a DOM focus listener.  Uses the focusin event in IE, 
+ * DOMFocusIn for Opera and Webkit, and the capture phase for Gecko so that
+ * the event propagates in a way that enables event delegation.
+ *
+ * @for YUI
+ * @event focus
+ * @param type {string} 'focus'
+ * @param fn {function} the callback function to execute
+ * @param o {string|HTMLElement|collection} the element(s) to bind
+ * @param context optional context object
+ * @param args 0..n additional arguments to provide to the listener.
+ * @return {EventHandle} the detach handle
+ */
+plugins.focus = eventAdapter;
+
+/**
+ * Adds a DOM blur listener.  Uses the focusout event in IE, 
+ * DOMFocusOut for Opera and Webkit, and the capture phase for Gecko so that
+ * the event propagates in a way that enables event delegation.
+ *
+ * @for YUI
+ * @event blur
+ * @param type {string} 'blur'
+ * @param fn {function} the callback function to execute
+ * @param o {string|HTMLElement|collection} the element(s) to bind
+ * @param context optional context object
+ * @param args 0..n additional arguments to provide to the listener.
+ * @return {EventHandle} the detach handle
+ */
+plugins.blur = eventAdapter;
+
+})();
+
+
+}, '3.0.0' ,{requires:['node-base']});