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-rw-r--r--src/event.js1072
1 files 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();
+});
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-06 01:55:47 +0000