123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384 |
- (function($) {
- var types = ['DOMMouseScroll', 'mousewheel'];
- if ($.event.fixHooks) {
- for ( var i=types.length; i; ) {
- $.event.fixHooks[ types[--i] ] = $.event.mouseHooks;
- }
- }
- $.event.special.mousewheel = {
- setup: function() {
- if ( this.addEventListener ) {
- for ( var i=types.length; i; ) {
- this.addEventListener( types[--i], handler, false );
- }
- } else {
- this.onmousewheel = handler;
- }
- },
-
- teardown: function() {
- if ( this.removeEventListener ) {
- for ( var i=types.length; i; ) {
- this.removeEventListener( types[--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, returnValue = true, deltaX = 0, deltaY = 0;
- event = $.event.fix(orgEvent);
- event.type = "mousewheel";
-
-
- if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta/120; }
- if ( orgEvent.detail ) { delta = -orgEvent.detail/3; }
-
-
- deltaY = delta;
-
-
- if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
- deltaY = 0;
- deltaX = -1*delta;
- }
-
-
- if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; }
- if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; }
-
-
- args.unshift(event, delta, deltaX, deltaY);
-
- return ($.event.dispatch || $.event.handle).apply(this, args);
- }
- })(jQuery);
|