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