imported the whole jquery-ui package, refreshed with 1.10.2

[unfold.git] / third-party / jquery-ui-1.10.2 / external / jquery.mousewheel.js

diff --git a/third-party/jquery-ui-1.10.2/external/jquery.mousewheel.js b/third-party/jquery-ui-1.10.2/external/jquery.mousewheel.js
new file mode 100644 (file)
index 0000000..8c60304
--- /dev/null
+++ b/third-party/jquery-ui-1.10.2/external/jquery.mousewheel.js
@@ -0,0 +1,101 @@
+/*! Copyright (c) 2013 Brandon Aaron (http://brandonaaron.net)
+ * Licensed under the MIT License (LICENSE.txt).
+ *
+ * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
+ * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
+ * Thanks to: Seamus Leahy for adding deltaX and deltaY
+ *
+ * Version: 3.1.0
+ *
+ * Requires: 1.2.2+
+ */
+
+(function (factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define(['jquery'], factory);
+    } else {
+        // Browser globals
+        factory(jQuery);
+    }
+}(function ($) {
+
+    var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll'];
+    var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'];
+    var lowestDelta, lowestDeltaXY;
+
+    if ($.event.fixHooks) {
+        for ( var i=toFix.length; i; ) {
+            $.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
+        }
+    }
+
+    $.event.special.mousewheel = {
+        setup: function() {
+            if ( this.addEventListener ) {
+                for ( var i=toBind.length; i; ) {
+                    this.addEventListener( toBind[--i], handler, false );
+                }
+            } else {
+                this.onmousewheel = handler;
+            }
+        },
+
+        teardown: function() {
+            if ( this.removeEventListener ) {
+                for ( var i=toBind.length; i; ) {
+                    this.removeEventListener( toBind[--i], handler, false );
+                }
+            } else {
+                this.onmousewheel = null;
+            }
+        }
+    };
+
+    $.fn.extend({
+        mousewheel: function(fn) {
+            return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
+        },
+
+        unmousewheel: function(fn) {
+            return this.unbind("mousewheel", fn);
+        }
+    });
+
+
+    function handler(event) {
+        var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, deltaX = 0, deltaY = 0, absDelta = 0, absDeltaXY = 0;
+        event = $.event.fix(orgEvent);
+        event.type = "mousewheel";
+
+        // Old school scrollwheel delta
+        if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta;  }
+        if ( orgEvent.detail     ) { delta = orgEvent.detail * -1; }
+
+        // New school wheel delta (wheel event)
+        if ( orgEvent.deltaY ) {
+            deltaY = orgEvent.deltaY * -1;
+            delta  = deltaY;
+        }
+        if ( orgEvent.deltaX ) {
+            deltaX = orgEvent.deltaX;
+            delta  = deltaX * -1;
+        }
+
+        // Webkit
+        if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY;      }
+        if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; }
+
+        absDelta = Math.abs(delta);
+        if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; }
+
+        absDeltaXY = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
+        if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; }
+
+        // Add event and delta to the front of the arguments
+        args.unshift(event, Math.floor(delta/lowestDelta), Math.floor(deltaX/lowestDeltaXY), Math.floor(deltaY/lowestDeltaXY));
+
+        return ($.event.dispatch || $.event.handle).apply(this, args);
+    }
+
+}));