From 76c1889e22cbf2a2187bb55cd7adcbd56a5fd50a Mon Sep 17 00:00:00 2001 From: Richard Worth Date: Tue, 18 Dec 2007 03:13:39 +0000 Subject: [PATCH] Fixed #1887 - trigger fails if extra is not a function --- src/event.js | 1072 +++++++++++++++++++++++++------------------------- 1 file changed, 536 insertions(+), 536 deletions(-) diff --git a/src/event.js b/src/event.js index b27b41843..6a21fc3a6 100644 --- a/src/event.js +++ b/src/event.js @@ -1,536 +1,536 @@ -/* - * A number of helper functions used for managing events. - * Many of the ideas behind this code orignated from - * Dean Edwards' addEvent library. - */ -jQuery.event = { - - // Bind an event to an element - // Original by Dean Edwards - add: function(elem, types, handler, data) { - if ( elem.nodeType == 3 || elem.nodeType == 8 ) - return; - - // For whatever reason, IE has trouble passing the window object - // around, causing it to be cloned in the process - if ( jQuery.browser.msie && elem.setInterval != undefined ) - elem = window; - - // Make sure that the function being executed has a unique ID - if ( !handler.guid ) - handler.guid = this.guid++; - - // if data is passed, bind to handler - if( data != undefined ) { - // Create temporary function pointer to original handler - var fn = handler; - - // Create unique handler function, wrapped around original handler - handler = function() { - // Pass arguments and context to original handler - return fn.apply(this, arguments); - }; - - // Store data in unique handler - handler.data = data; - - // Set the guid of unique handler to the same of original handler, so it can be removed - handler.guid = fn.guid; - } - - // Init the element's event structure - var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}), - handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){ - // returned undefined or false - var val; - - // Handle the second event of a trigger and when - // an event is called after a page has unloaded - if ( typeof jQuery == "undefined" || jQuery.event.triggered ) - return val; - - val = jQuery.event.handle.apply(elem, arguments); - - return val; - }); - - // Handle multiple events seperated by a space - // jQuery(...).bind("mouseover mouseout", fn); - jQuery.each(types.split(/\s+/), function(index, type) { - // Namespaced event handlers - var parts = type.split("."); - type = parts[0]; - handler.type = parts[1]; - - // Get the current list of functions bound to this event - var handlers = events[type]; - - // Init the event handler queue - if (!handlers) { - handlers = events[type] = {}; - - // Check for a special event handler - // Only use addEventListener/attachEvent if the special - // events handler returns false - if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem) === false ) { - // Bind the global event handler to the element - if (elem.addEventListener) - elem.addEventListener(type, handle, false); - else if (elem.attachEvent) - elem.attachEvent("on" + type, handle); - } - } - - // Add the function to the element's handler list - handlers[handler.guid] = handler; - - // Keep track of which events have been used, for global triggering - jQuery.event.global[type] = true; - }); - }, - - guid: 1, - global: {}, - - // Detach an event or set of events from an element - remove: function(elem, types, handler) { - // don't do events on text and comment nodes - if ( elem.nodeType == 3 || elem.nodeType == 8 ) - return; - - var events = jQuery.data(elem, "events"), ret, index; - - if ( events ) { - // Unbind all events for the element - if ( !types ) - for ( var type in events ) - this.remove( elem, type ); - else { - // types is actually an event object here - if ( types.type ) { - handler = types.handler; - types = types.type; - } - - // Handle multiple events seperated by a space - // jQuery(...).unbind("mouseover mouseout", fn); - jQuery.each(types.split(/\s+/), function(index, type){ - // Namespaced event handlers - var parts = type.split("."); - type = parts[0]; - - if ( events[type] ) { - // remove the given handler for the given type - if ( handler ) - delete events[type][handler.guid]; - - // remove all handlers for the given type - else - for ( handler in events[type] ) - // Handle the removal of namespaced events - if ( !parts[1] || events[type][handler].type == parts[1] ) - delete events[type][handler]; - - // remove generic event handler if no more handlers exist - for ( ret in events[type] ) break; - if ( !ret ) { - if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(elem) === false ) { - if (elem.removeEventListener) - elem.removeEventListener(type, jQuery.data(elem, "handle"), false); - else if (elem.detachEvent) - elem.detachEvent("on" + type, jQuery.data(elem, "handle")); - } - ret = null; - delete events[type]; - } - } - }); - } - - // Remove the expando if it's no longer used - for ( ret in events ) break; - if ( !ret ) { - jQuery.removeData( elem, "events" ); - jQuery.removeData( elem, "handle" ); - } - } - }, - - trigger: function(type, data, elem, donative, extra) { - // Clone the incoming data, if any - data = jQuery.makeArray(data || []); - - // Handle a global trigger - if ( !elem ) { - // Only trigger if we've ever bound an event for it - if ( this.global[type] ) - jQuery("*").add([window, document]).trigger(type, data); - - // Handle triggering a single element - } else { - // don't do events on text and comment nodes - if ( elem.nodeType == 3 || elem.nodeType == 8 ) - return undefined; - - var val, ret, fn = jQuery.isFunction( elem[ type ] || null ), - // Check to see if we need to provide a fake event, or not - event = !data[0] || !data[0].preventDefault; - - // Pass along a fake event - if ( event ) - data.unshift( this.fix({ type: type, target: elem }) ); - - // Enforce the right trigger type - data[0].type = type; - - // Trigger the event - if ( jQuery.isFunction( jQuery.data(elem, "handle") ) ) - val = jQuery.data(elem, "handle").apply( elem, data ); - - // Handle triggering native .onfoo handlers - if ( !fn && elem["on"+type] && elem["on"+type].apply( elem, data ) === false ) - val = false; - - // Extra functions don't get the custom event object - if ( event ) - data.shift(); - - // Handle triggering of extra function - if ( extra ) { - // call the extra function and tack the current return value on the end for possible inspection - var ret = extra.apply( elem, data.concat( val ) ); - // if anything is returned, give it precedence and have it overwrite the previous value - if (ret !== undefined) - val = ret; - } - - // Trigger the native events (except for clicks on links) - if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) { - this.triggered = true; - try { - elem[ type ](); - // prevent IE from throwing an error for some hidden elements - } catch (e) {} - } - - this.triggered = false; - } - - return val; - }, - - handle: function(event) { - // returned undefined or false - var val; - - // Empty object is for triggered events with no data - event = jQuery.event.fix( event || window.event || {} ); - - // Namespaced event handlers - var parts = event.type.split("."); - event.type = parts[0]; - - var handlers = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call( arguments, 1 ); - args.unshift( event ); - - for ( var j in handlers ) { - var handler = handlers[j]; - // Pass in a reference to the handler function itself - // So that we can later remove it - args[0].handler = handler; - args[0].data = handler.data; - - // Filter the functions by class - if ( !parts[1] || handler.type == parts[1] ) { - var ret = handler.apply( this, args ); - - if ( val !== false ) - val = ret; - - if ( ret === false ) { - event.preventDefault(); - event.stopPropagation(); - } - } - } - - // Clean up added properties in IE to prevent memory leak - if (jQuery.browser.msie) - event.target = event.preventDefault = event.stopPropagation = - event.handler = event.data = null; - - return val; - }, - - fix: function(event) { - // store a copy of the original event object - // and clone to set read-only properties - var originalEvent = event; - event = jQuery.extend({}, originalEvent); - - // add preventDefault and stopPropagation since - // they will not work on the clone - event.preventDefault = function() { - // if preventDefault exists run it on the original event - if (originalEvent.preventDefault) - originalEvent.preventDefault(); - // otherwise set the returnValue property of the original event to false (IE) - originalEvent.returnValue = false; - }; - event.stopPropagation = function() { - // if stopPropagation exists run it on the original event - if (originalEvent.stopPropagation) - originalEvent.stopPropagation(); - // otherwise set the cancelBubble property of the original event to true (IE) - originalEvent.cancelBubble = true; - }; - - // Fix target property, if necessary - if ( !event.target ) - event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either - - // check if target is a textnode (safari) - if ( event.target.nodeType == 3 ) - event.target = originalEvent.target.parentNode; - - // Add relatedTarget, if necessary - if ( !event.relatedTarget && event.fromElement ) - event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement; - - // Calculate pageX/Y if missing and clientX/Y available - if ( event.pageX == null && event.clientX != null ) { - var doc = document.documentElement, body = document.body; - event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc.clientLeft || 0); - event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0); - } - - // Add which for key events - if ( !event.which && (event.charCode || event.keyCode) ) - event.which = event.charCode || event.keyCode; - - // Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs) - if ( !event.metaKey && event.ctrlKey ) - event.metaKey = event.ctrlKey; - - // Add which for click: 1 == left; 2 == middle; 3 == right - // Note: button is not normalized, so don't use it - if ( !event.which && event.button ) - event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) )); - - return event; - }, - - special: { - ready: { - setup: function() { - // Make sure the ready event is setup - bindReady(); - return; - }, - - teardown: function() { return; } - }, - - mouseenter: { - setup: function() { - if ( jQuery.browser.msie ) return false; - jQuery(this).bind("mouseover", jQuery.event.special.mouseenter.handler); - return true; - }, - - teardown: function() { - if ( jQuery.browser.msie ) return false; - jQuery(this).unbind("mouseover", jQuery.event.special.mouseenter.handler); - return true; - }, - - handler: function(event) { - // If we actually just moused on to a sub-element, ignore it - if ( withinElement(event, this) ) return true; - // Execute the right handlers by setting the event type to mouseenter - arguments[0].type = "mouseenter"; - return jQuery.event.handle.apply(this, arguments); - } - }, - - mouseleave: { - setup: function() { - if ( jQuery.browser.msie ) return false; - jQuery(this).bind("mouseout", jQuery.event.special.mouseleave.handler); - return true; - }, - - teardown: function() { - if ( jQuery.browser.msie ) return false; - jQuery(this).unbind("mouseout", jQuery.event.special.mouseleave.handler); - return true; - }, - - handler: function(event) { - // If we actually just moused on to a sub-element, ignore it - if ( withinElement(event, this) ) return true; - // Execute the right handlers by setting the event type to mouseleave - arguments[0].type = "mouseleave"; - return jQuery.event.handle.apply(this, arguments); - } - } - } -}; - -jQuery.fn.extend({ - bind: function( type, data, fn ) { - return type == "unload" ? this.one(type, data, fn) : this.each(function(){ - jQuery.event.add( this, type, fn || data, fn && data ); - }); - }, - - one: function( type, data, fn ) { - return this.each(function(){ - jQuery.event.add( this, type, function(event) { - jQuery(this).unbind(event); - return (fn || data).apply( this, arguments); - }, fn && data); - }); - }, - - unbind: function( type, fn ) { - return this.each(function(){ - jQuery.event.remove( this, type, fn ); - }); - }, - - trigger: function( type, data, fn ) { - return this.each(function(){ - jQuery.event.trigger( type, data, this, true, fn ); - }); - }, - - triggerHandler: function( type, data, fn ) { - if ( this[0] ) - return jQuery.event.trigger( type, data, this[0], false, fn ); - return undefined; - }, - - toggle: function() { - // Save reference to arguments for access in closure - var args = arguments; - - return this.click(function(event) { - // Figure out which function to execute - this.lastToggle = 0 == this.lastToggle ? 1 : 0; - - // Make sure that clicks stop - event.preventDefault(); - - // and execute the function - return args[this.lastToggle].apply( this, arguments ) || false; - }); - }, - - hover: function(fnOver, fnOut) { - return this.bind('mouseenter', fnOver).bind('mouseleave', fnOut); - }, - - ready: function(fn) { - // Attach the listeners - bindReady(); - - // If the DOM is already ready - if ( jQuery.isReady ) - // Execute the function immediately - fn.call( document, jQuery ); - - // Otherwise, remember the function for later - else - // Add the function to the wait list - jQuery.readyList.push( function() { return fn.call(this, jQuery); } ); - - return this; - } -}); - -jQuery.extend({ - isReady: false, - readyList: [], - // Handle when the DOM is ready - ready: function() { - // Make sure that the DOM is not already loaded - if ( !jQuery.isReady ) { - // Remember that the DOM is ready - jQuery.isReady = true; - - // If there are functions bound, to execute - if ( jQuery.readyList ) { - // Execute all of them - jQuery.each( jQuery.readyList, function(){ - this.apply( document ); - }); - - // Reset the list of functions - jQuery.readyList = null; - } - - // Trigger any bound ready events - $(document).triggerHandler("ready"); - } - } -}); - -var readyBound = false; - -function bindReady(){ - if ( readyBound ) return; - readyBound = true; - - // Mozilla, Opera and webkit nightlies currently support this event - if ( document.addEventListener ) - // Use the handy event callback - document.addEventListener( "DOMContentLoaded", jQuery.ready, false ); - - // If Safari or IE is used - // Continually check to see if the document is ready - if (jQuery.browser.msie || jQuery.browser.safari ) (function(){ - try { - // If IE is used, use the trick by Diego Perini - // http://javascript.nwbox.com/IEContentLoaded/ - if ( jQuery.browser.msie || document.readyState != "loaded" && document.readyState != "complete" ) - document.documentElement.doScroll("left"); - } catch( error ) { - return setTimeout( arguments.callee, 0 ); - } - - // and execute any waiting functions - jQuery.ready(); - })(); - - // A fallback to window.onload, that will always work - jQuery.event.add( window, "load", jQuery.ready ); -} - -jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," + - "mousedown,mouseup,mousemove,mouseover,mouseout,change,select," + - "submit,keydown,keypress,keyup,error").split(","), function(i, name){ - - // Handle event binding - jQuery.fn[name] = function(fn){ - return fn ? this.bind(name, fn) : this.trigger(name); - }; -}); - -// Checks if an event happened on an element within another element -// Used in jQuery.event.special.mouseenter and mouseleave handlers -var withinElement = function(event, elem) { - // Check if mouse(over|out) are still within the same parent element - var parent = event.relatedTarget; - // Traverse up the tree - while ( parent && parent != elem ) try { parent = parent.parentNode } catch(error) { parent = elem; }; - // Return true if we actually just moused on to a sub-element - return parent == elem; -}; - -// Prevent memory leaks in IE -// And prevent errors on refresh with events like mouseover in other browsers -// Window isn't included so as not to unbind existing unload events -jQuery(window).bind("unload", function() { - jQuery("*").add(document).unbind(); -}); +/* + * A number of helper functions used for managing events. + * Many of the ideas behind this code orignated from + * Dean Edwards' addEvent library. + */ +jQuery.event = { + + // Bind an event to an element + // Original by Dean Edwards + add: function(elem, types, handler, data) { + if ( elem.nodeType == 3 || elem.nodeType == 8 ) + return; + + // For whatever reason, IE has trouble passing the window object + // around, causing it to be cloned in the process + if ( jQuery.browser.msie && elem.setInterval != undefined ) + elem = window; + + // Make sure that the function being executed has a unique ID + if ( !handler.guid ) + handler.guid = this.guid++; + + // if data is passed, bind to handler + if( data != undefined ) { + // Create temporary function pointer to original handler + var fn = handler; + + // Create unique handler function, wrapped around original handler + handler = function() { + // Pass arguments and context to original handler + return fn.apply(this, arguments); + }; + + // Store data in unique handler + handler.data = data; + + // Set the guid of unique handler to the same of original handler, so it can be removed + handler.guid = fn.guid; + } + + // Init the element's event structure + var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}), + handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){ + // returned undefined or false + var val; + + // Handle the second event of a trigger and when + // an event is called after a page has unloaded + if ( typeof jQuery == "undefined" || jQuery.event.triggered ) + return val; + + val = jQuery.event.handle.apply(elem, arguments); + + return val; + }); + + // Handle multiple events seperated by a space + // jQuery(...).bind("mouseover mouseout", fn); + jQuery.each(types.split(/\s+/), function(index, type) { + // Namespaced event handlers + var parts = type.split("."); + type = parts[0]; + handler.type = parts[1]; + + // Get the current list of functions bound to this event + var handlers = events[type]; + + // Init the event handler queue + if (!handlers) { + handlers = events[type] = {}; + + // Check for a special event handler + // Only use addEventListener/attachEvent if the special + // events handler returns false + if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem) === false ) { + // Bind the global event handler to the element + if (elem.addEventListener) + elem.addEventListener(type, handle, false); + else if (elem.attachEvent) + elem.attachEvent("on" + type, handle); + } + } + + // Add the function to the element's handler list + handlers[handler.guid] = handler; + + // Keep track of which events have been used, for global triggering + jQuery.event.global[type] = true; + }); + }, + + guid: 1, + global: {}, + + // Detach an event or set of events from an element + remove: function(elem, types, handler) { + // don't do events on text and comment nodes + if ( elem.nodeType == 3 || elem.nodeType == 8 ) + return; + + var events = jQuery.data(elem, "events"), ret, index; + + if ( events ) { + // Unbind all events for the element + if ( !types ) + for ( var type in events ) + this.remove( elem, type ); + else { + // types is actually an event object here + if ( types.type ) { + handler = types.handler; + types = types.type; + } + + // Handle multiple events seperated by a space + // jQuery(...).unbind("mouseover mouseout", fn); + jQuery.each(types.split(/\s+/), function(index, type){ + // Namespaced event handlers + var parts = type.split("."); + type = parts[0]; + + if ( events[type] ) { + // remove the given handler for the given type + if ( handler ) + delete events[type][handler.guid]; + + // remove all handlers for the given type + else + for ( handler in events[type] ) + // Handle the removal of namespaced events + if ( !parts[1] || events[type][handler].type == parts[1] ) + delete events[type][handler]; + + // remove generic event handler if no more handlers exist + for ( ret in events[type] ) break; + if ( !ret ) { + if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(elem) === false ) { + if (elem.removeEventListener) + elem.removeEventListener(type, jQuery.data(elem, "handle"), false); + else if (elem.detachEvent) + elem.detachEvent("on" + type, jQuery.data(elem, "handle")); + } + ret = null; + delete events[type]; + } + } + }); + } + + // Remove the expando if it's no longer used + for ( ret in events ) break; + if ( !ret ) { + jQuery.removeData( elem, "events" ); + jQuery.removeData( elem, "handle" ); + } + } + }, + + trigger: function(type, data, elem, donative, extra) { + // Clone the incoming data, if any + data = jQuery.makeArray(data || []); + + // Handle a global trigger + if ( !elem ) { + // Only trigger if we've ever bound an event for it + if ( this.global[type] ) + jQuery("*").add([window, document]).trigger(type, data); + + // Handle triggering a single element + } else { + // don't do events on text and comment nodes + if ( elem.nodeType == 3 || elem.nodeType == 8 ) + return undefined; + + var val, ret, fn = jQuery.isFunction( elem[ type ] || null ), + // Check to see if we need to provide a fake event, or not + event = !data[0] || !data[0].preventDefault; + + // Pass along a fake event + if ( event ) + data.unshift( this.fix({ type: type, target: elem }) ); + + // Enforce the right trigger type + data[0].type = type; + + // Trigger the event + if ( jQuery.isFunction( jQuery.data(elem, "handle") ) ) + val = jQuery.data(elem, "handle").apply( elem, data ); + + // Handle triggering native .onfoo handlers + if ( !fn && elem["on"+type] && elem["on"+type].apply( elem, data ) === false ) + val = false; + + // Extra functions don't get the custom event object + if ( event ) + data.shift(); + + // Handle triggering of extra function + if ( extra && jQuery.isFunction( extra ) ) { + // call the extra function and tack the current return value on the end for possible inspection + var ret = extra.apply( elem, data.concat( val ) ); + // if anything is returned, give it precedence and have it overwrite the previous value + if (ret !== undefined) + val = ret; + } + + // Trigger the native events (except for clicks on links) + if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) { + this.triggered = true; + try { + elem[ type ](); + // prevent IE from throwing an error for some hidden elements + } catch (e) {} + } + + this.triggered = false; + } + + return val; + }, + + handle: function(event) { + // returned undefined or false + var val; + + // Empty object is for triggered events with no data + event = jQuery.event.fix( event || window.event || {} ); + + // Namespaced event handlers + var parts = event.type.split("."); + event.type = parts[0]; + + var handlers = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call( arguments, 1 ); + args.unshift( event ); + + for ( var j in handlers ) { + var handler = handlers[j]; + // Pass in a reference to the handler function itself + // So that we can later remove it + args[0].handler = handler; + args[0].data = handler.data; + + // Filter the functions by class + if ( !parts[1] || handler.type == parts[1] ) { + var ret = handler.apply( this, args ); + + if ( val !== false ) + val = ret; + + if ( ret === false ) { + event.preventDefault(); + event.stopPropagation(); + } + } + } + + // Clean up added properties in IE to prevent memory leak + if (jQuery.browser.msie) + event.target = event.preventDefault = event.stopPropagation = + event.handler = event.data = null; + + return val; + }, + + fix: function(event) { + // store a copy of the original event object + // and clone to set read-only properties + var originalEvent = event; + event = jQuery.extend({}, originalEvent); + + // add preventDefault and stopPropagation since + // they will not work on the clone + event.preventDefault = function() { + // if preventDefault exists run it on the original event + if (originalEvent.preventDefault) + originalEvent.preventDefault(); + // otherwise set the returnValue property of the original event to false (IE) + originalEvent.returnValue = false; + }; + event.stopPropagation = function() { + // if stopPropagation exists run it on the original event + if (originalEvent.stopPropagation) + originalEvent.stopPropagation(); + // otherwise set the cancelBubble property of the original event to true (IE) + originalEvent.cancelBubble = true; + }; + + // Fix target property, if necessary + if ( !event.target ) + event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either + + // check if target is a textnode (safari) + if ( event.target.nodeType == 3 ) + event.target = originalEvent.target.parentNode; + + // Add relatedTarget, if necessary + if ( !event.relatedTarget && event.fromElement ) + event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement; + + // Calculate pageX/Y if missing and clientX/Y available + if ( event.pageX == null && event.clientX != null ) { + var doc = document.documentElement, body = document.body; + event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc.clientLeft || 0); + event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0); + } + + // Add which for key events + if ( !event.which && (event.charCode || event.keyCode) ) + event.which = event.charCode || event.keyCode; + + // Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs) + if ( !event.metaKey && event.ctrlKey ) + event.metaKey = event.ctrlKey; + + // Add which for click: 1 == left; 2 == middle; 3 == right + // Note: button is not normalized, so don't use it + if ( !event.which && event.button ) + event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) )); + + return event; + }, + + special: { + ready: { + setup: function() { + // Make sure the ready event is setup + bindReady(); + return; + }, + + teardown: function() { return; } + }, + + mouseenter: { + setup: function() { + if ( jQuery.browser.msie ) return false; + jQuery(this).bind("mouseover", jQuery.event.special.mouseenter.handler); + return true; + }, + + teardown: function() { + if ( jQuery.browser.msie ) return false; + jQuery(this).unbind("mouseover", jQuery.event.special.mouseenter.handler); + return true; + }, + + handler: function(event) { + // If we actually just moused on to a sub-element, ignore it + if ( withinElement(event, this) ) return true; + // Execute the right handlers by setting the event type to mouseenter + arguments[0].type = "mouseenter"; + return jQuery.event.handle.apply(this, arguments); + } + }, + + mouseleave: { + setup: function() { + if ( jQuery.browser.msie ) return false; + jQuery(this).bind("mouseout", jQuery.event.special.mouseleave.handler); + return true; + }, + + teardown: function() { + if ( jQuery.browser.msie ) return false; + jQuery(this).unbind("mouseout", jQuery.event.special.mouseleave.handler); + return true; + }, + + handler: function(event) { + // If we actually just moused on to a sub-element, ignore it + if ( withinElement(event, this) ) return true; + // Execute the right handlers by setting the event type to mouseleave + arguments[0].type = "mouseleave"; + return jQuery.event.handle.apply(this, arguments); + } + } + } +}; + +jQuery.fn.extend({ + bind: function( type, data, fn ) { + return type == "unload" ? this.one(type, data, fn) : this.each(function(){ + jQuery.event.add( this, type, fn || data, fn && data ); + }); + }, + + one: function( type, data, fn ) { + return this.each(function(){ + jQuery.event.add( this, type, function(event) { + jQuery(this).unbind(event); + return (fn || data).apply( this, arguments); + }, fn && data); + }); + }, + + unbind: function( type, fn ) { + return this.each(function(){ + jQuery.event.remove( this, type, fn ); + }); + }, + + trigger: function( type, data, fn ) { + return this.each(function(){ + jQuery.event.trigger( type, data, this, true, fn ); + }); + }, + + triggerHandler: function( type, data, fn ) { + if ( this[0] ) + return jQuery.event.trigger( type, data, this[0], false, fn ); + return undefined; + }, + + toggle: function() { + // Save reference to arguments for access in closure + var args = arguments; + + return this.click(function(event) { + // Figure out which function to execute + this.lastToggle = 0 == this.lastToggle ? 1 : 0; + + // Make sure that clicks stop + event.preventDefault(); + + // and execute the function + return args[this.lastToggle].apply( this, arguments ) || false; + }); + }, + + hover: function(fnOver, fnOut) { + return this.bind('mouseenter', fnOver).bind('mouseleave', fnOut); + }, + + ready: function(fn) { + // Attach the listeners + bindReady(); + + // If the DOM is already ready + if ( jQuery.isReady ) + // Execute the function immediately + fn.call( document, jQuery ); + + // Otherwise, remember the function for later + else + // Add the function to the wait list + jQuery.readyList.push( function() { return fn.call(this, jQuery); } ); + + return this; + } +}); + +jQuery.extend({ + isReady: false, + readyList: [], + // Handle when the DOM is ready + ready: function() { + // Make sure that the DOM is not already loaded + if ( !jQuery.isReady ) { + // Remember that the DOM is ready + jQuery.isReady = true; + + // If there are functions bound, to execute + if ( jQuery.readyList ) { + // Execute all of them + jQuery.each( jQuery.readyList, function(){ + this.apply( document ); + }); + + // Reset the list of functions + jQuery.readyList = null; + } + + // Trigger any bound ready events + $(document).triggerHandler("ready"); + } + } +}); + +var readyBound = false; + +function bindReady(){ + if ( readyBound ) return; + readyBound = true; + + // Mozilla, Opera and webkit nightlies currently support this event + if ( document.addEventListener ) + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", jQuery.ready, false ); + + // If Safari or IE is used + // Continually check to see if the document is ready + if (jQuery.browser.msie || jQuery.browser.safari ) (function(){ + try { + // If IE is used, use the trick by Diego Perini + // http://javascript.nwbox.com/IEContentLoaded/ + if ( jQuery.browser.msie || document.readyState != "loaded" && document.readyState != "complete" ) + document.documentElement.doScroll("left"); + } catch( error ) { + return setTimeout( arguments.callee, 0 ); + } + + // and execute any waiting functions + jQuery.ready(); + })(); + + // A fallback to window.onload, that will always work + jQuery.event.add( window, "load", jQuery.ready ); +} + +jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," + + "mousedown,mouseup,mousemove,mouseover,mouseout,change,select," + + "submit,keydown,keypress,keyup,error").split(","), function(i, name){ + + // Handle event binding + jQuery.fn[name] = function(fn){ + return fn ? this.bind(name, fn) : this.trigger(name); + }; +}); + +// Checks if an event happened on an element within another element +// Used in jQuery.event.special.mouseenter and mouseleave handlers +var withinElement = function(event, elem) { + // Check if mouse(over|out) are still within the same parent element + var parent = event.relatedTarget; + // Traverse up the tree + while ( parent && parent != elem ) try { parent = parent.parentNode } catch(error) { parent = elem; }; + // Return true if we actually just moused on to a sub-element + return parent == elem; +}; + +// Prevent memory leaks in IE +// And prevent errors on refresh with events like mouseover in other browsers +// Window isn't included so as not to unbind existing unload events +jQuery(window).bind("unload", function() { + jQuery("*").add(document).unbind(); +}); -- 2.39.5