+var fcleanup = function( nm ) {
+ return nm.replace(/[^\w\s\.\|`]/g, function( ch ) {
+ return "\\" + ch;
+ });
+};
+
/*
* A number of helper functions used for managing events.
- * Many of the ideas behind this code orignated from
+ * Many of the ideas behind this code originated from
* Dean Edwards' addEvent library.
*/
jQuery.event = {
// Bind an event to an element
// Original by Dean Edwards
- add: function(element, type, handler, data) {
+ 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 && element.setInterval != undefined )
- element = window;
+ if ( elem.setInterval && ( elem !== window && !elem.frameElement ) ) {
+ 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);
- };
+ if ( !handler.guid ) {
+ handler.guid = jQuery.guid++;
+ }
+
+ // if data is passed, bind to handler
+ if ( data !== undefined ) {
+ // Create temporary function pointer to original handler
+ var fn = handler;
- // Store data in unique handler
+ // Create unique handler function, wrapped around original handler
+ handler = jQuery.proxy( fn );
+
+ // Store data in unique handler
handler.data = data;
+ }
+
+ // Init the element's event structure
+ var events = jQuery.data( elem, "events" ) || jQuery.data( elem, "events", {} ),
+ handle = jQuery.data( elem, "handle" ), eventHandle;
+
+ if ( !handle ) {
+ eventHandle = function() {
+ // Handle the second event of a trigger and when
+ // an event is called after a page has unloaded
+ return typeof jQuery !== "undefined" && !jQuery.event.triggered ?
+ jQuery.event.handle.apply( eventHandle.elem, arguments ) :
+ undefined;
+ };
- // Set the guid of unique handler to the same of original handler, so it can be removed
- handler.guid = fn.guid;
+ handle = jQuery.data( elem, "handle", eventHandle );
}
- // Namespaced event handlers
- var parts = type.split(".");
- type = parts[0];
- handler.type = parts[1];
+ // Add elem as a property of the handle function
+ // This is to prevent a memory leak with non-native
+ // event in IE.
+ handle.elem = elem;
+
+ // Handle multiple events separated by a space
+ // jQuery(...).bind("mouseover mouseout", fn);
+ types = types.split( /\s+/ );
+ var type, i=0;
+ while ( (type = types[ i++ ]) ) {
+ // Namespaced event handlers
+ var namespaces = type.split(".");
+ type = namespaces.shift();
+ handler.type = namespaces.slice(0).sort().join(".");
+
+ // Get the current list of functions bound to this event
+ var handlers = events[ type ],
+ special = this.special[ type ] || {};
- // Init the element's event structure
- var events = jQuery.data(element, "events") || jQuery.data(element, "events", {});
-
- var handle = jQuery.data(element, "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(element, arguments);
-
- return val;
- });
- // Get the current list of functions bound to this event
- var handlers = events[type];
-
- // Init the event handler queue
- if (!handlers) {
- 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 ( !special.setup || special.setup.call( elem, data, namespaces, handler) === 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 );
+ }
+ }
+ }
- // And bind the global event handler to the element
- if (element.addEventListener)
- element.addEventListener(type, handle, false);
- else
- element.attachEvent("on" + type, handle);
- }
+ if ( special.add ) {
+ var modifiedHandler = special.add.call( elem, handler, data, namespaces, handlers );
+ if ( modifiedHandler && jQuery.isFunction( modifiedHandler ) ) {
+ modifiedHandler.guid = modifiedHandler.guid || handler.guid;
+ handler = modifiedHandler;
+ }
+ }
+
+ // Add the function to the element's handler list
+ handlers[ handler.guid ] = handler;
- // Add the function to the element's handler list
- handlers[handler.guid] = handler;
+ // Keep track of which events have been used, for global triggering
+ this.global[ type ] = true;
+ }
- // Keep track of which events have been used, for global triggering
- this.global[type] = true;
+ // Nullify elem to prevent memory leaks in IE
+ elem = null;
},
- guid: 1,
global: {},
// Detach an event or set of events from an element
- remove: function(element, type, handler) {
- var events = jQuery.data(element, "events"), ret, index;
-
- // Namespaced event handlers
- if ( typeof type == "string" ) {
- var parts = type.split(".");
- type = parts[0];
+ 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, type, fn;
+
if ( events ) {
- // type is actually an event object here
- if ( type && type.type ) {
- handler = type.handler;
- type = type.type;
- }
-
- if ( !type ) {
- for ( type in events )
- this.remove( element, type );
-
- } else 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 (element.removeEventListener)
- element.removeEventListener(type, jQuery.data(element, "handle"), false);
- else
- element.detachEvent("on" + type, jQuery.data(element, "handle"));
- ret = null;
- delete events[type];
+ // Unbind all events for the element
+ if ( types === undefined || (typeof types === "string" && types.charAt(0) === ".") ) {
+ for ( type in events ) {
+ this.remove( elem, type + (types || "") );
+ }
+ } else {
+ // types is actually an event object here
+ if ( types.type ) {
+ handler = types.handler;
+ types = types.type;
+ }
+
+ // Handle multiple events separated by a space
+ // jQuery(...).unbind("mouseover mouseout", fn);
+ types = types.split(/\s+/);
+ var i = 0;
+ while ( (type = types[ i++ ]) ) {
+ // Namespaced event handlers
+ var namespaces = type.split(".");
+ type = namespaces.shift();
+ var all = !namespaces.length,
+ cleaned = jQuery.map( namespaces.slice(0).sort(), fcleanup ),
+ namespace = new RegExp("(^|\\.)" + cleaned.join("\\.(?:.*\\.)?") + "(\\.|$)"),
+ special = this.special[ type ] || {};
+
+ if ( events[ type ] ) {
+ // remove the given handler for the given type
+ if ( handler ) {
+ fn = events[ type ][ handler.guid ];
+ delete events[ type ][ handler.guid ];
+
+ // remove all handlers for the given type
+ } else {
+ for ( var handle in events[ type ] ) {
+ // Handle the removal of namespaced events
+ if ( all || namespace.test( events[ type ][ handle ].type ) ) {
+ delete events[ type ][ handle ];
+ }
+ }
+ }
+
+ if ( special.remove ) {
+ special.remove.call( elem, namespaces, fn);
+ }
+
+ // remove generic event handler if no more handlers exist
+ for ( ret in events[ type ] ) {
+ break;
+ }
+ if ( !ret ) {
+ if ( !special.teardown || special.teardown.call( elem, namespaces ) === 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;
+ for ( ret in events ) {
+ break;
+ }
if ( !ret ) {
- jQuery.removeData( element, "events" );
- jQuery.removeData( element, "handle" );
+ var handle = jQuery.data( elem, "handle" );
+ if ( handle ) {
+ handle.elem = null;
+ }
+ jQuery.removeData( elem, "events" );
+ jQuery.removeData( elem, "handle" );
}
}
},
- trigger: function(type, data, element, donative, extra) {
- // Clone the incoming data, if any
- data = jQuery.makeArray(data || []);
+ // bubbling is internal
+ trigger: function( event, data, elem /*, bubbling */ ) {
+ // Event object or event type
+ var type = event.type || event,
+ bubbling = arguments[3];
+
+ if ( !bubbling ) {
+ event = typeof event === "object" ?
+ // jQuery.Event object
+ event[expando] ? event :
+ // Object literal
+ jQuery.extend( jQuery.Event(type), event ) :
+ // Just the event type (string)
+ jQuery.Event(type);
+
+ if ( type.indexOf("!") >= 0 ) {
+ event.type = type = type.slice(0, -1);
+ event.exclusive = true;
+ }
- // Handle a global trigger
- if ( !element ) {
- // Only trigger if we've ever bound an event for it
- if ( this.global[type] )
- jQuery("*").add([window, document]).trigger(type, data);
+ // Handle a global trigger
+ if ( !elem ) {
+ // Don't bubble custom events when global (to avoid too much overhead)
+ event.stopPropagation();
+
+ // Only trigger if we've ever bound an event for it
+ if ( this.global[ type ] ) {
+ jQuery.each( jQuery.cache, function() {
+ if ( this.events && this.events[type] ) {
+ jQuery.event.trigger( event, data, this.handle.elem );
+ }
+ });
+ }
+ }
- // Handle triggering a single element
- } else {
- var val, ret, fn = jQuery.isFunction( element[ type ] || null ),
- // Check to see if we need to provide a fake event, or not
- evt = !data[0] || !data[0].preventDefault;
-
- // Pass along a fake event
- if ( evt )
- data.unshift( this.fix({ type: type, target: element }) );
+ // Handle triggering a single element
- // Enforce the right trigger type
- data[0].type = type;
+ // don't do events on text and comment nodes
+ if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
+ return undefined;
+ }
- // Trigger the event
- if ( jQuery.isFunction( jQuery.data(element, "handle") ) )
- val = jQuery.data(element, "handle").apply( element, data );
+ // Clean up in case it is reused
+ event.result = undefined;
+ event.target = elem;
- // Handle triggering native .onfoo handlers
- if ( !fn && element["on"+type] && element["on"+type].apply( element, data ) === false )
- val = false;
+ // Clone the incoming data, if any
+ data = jQuery.makeArray( data );
+ data.unshift( event );
+ }
- // Extra functions don't get the custom event object
- if ( evt )
- data.shift();
+ event.currentTarget = elem;
- // Handle triggering of extra function
- if ( extra && extra.apply( element, data ) === false )
- val = false;
+ // Trigger the event, it is assumed that "handle" is a function
+ var handle = jQuery.data( elem, "handle" );
+ if ( handle ) {
+ handle.apply( elem, data );
+ }
- // Trigger the native events (except for clicks on links)
- if ( fn && donative !== false && val !== false && !(jQuery.nodeName(element, 'a') && type == "click") ) {
- this.triggered = true;
- element[ type ]();
+ var nativeFn, nativeHandler;
+ try {
+ if ( !(elem && elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) ) {
+ nativeFn = elem[ type ];
+ nativeHandler = elem[ "on" + type ];
}
+ // prevent IE from throwing an error for some elements with some event types, see #3533
+ } catch (e) {}
+
+ var isClick = jQuery.nodeName(elem, "a") && type === "click";
- this.triggered = false;
+ // Trigger the native events (except for clicks on links)
+ if ( !bubbling && nativeFn && !event.isDefaultPrevented() && !isClick ) {
+ this.triggered = true;
+ try {
+ elem[ type ]();
+ // prevent IE from throwing an error for some hidden elements
+ } catch (e) {}
+
+ // Handle triggering native .onfoo handlers
+ } else if ( nativeHandler && elem[ "on" + type ].apply( elem, data ) === false ) {
+ event.result = false;
}
- return val;
+ this.triggered = false;
+
+ if ( !event.isPropagationStopped() ) {
+ var parent = elem.parentNode || elem.ownerDocument;
+ if ( parent ) {
+ jQuery.event.trigger( event, data, parent, true );
+ }
+ }
},
- handle: function(event) {
+ handle: function( event ) {
// returned undefined or false
- var val;
+ var all, handlers;
- // Empty object is for triggered events with no data
- event = jQuery.event.fix( event || window.event || {} );
+ event = arguments[0] = jQuery.event.fix( event || window.event );
+ event.currentTarget = this;
// Namespaced event handlers
- var parts = event.type.split(".");
- event.type = parts[0];
+ var namespaces = event.type.split(".");
+ event.type = namespaces.shift();
- var c = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call( arguments, 1 );
- args.unshift( event );
+ // Cache this now, all = true means, any handler
+ all = !namespaces.length && !event.exclusive;
- for ( var j in c ) {
- // Pass in a reference to the handler function itself
- // So that we can later remove it
- args[0].handler = c[j];
- args[0].data = c[j].data;
+ var namespace = new RegExp("(^|\\.)" + namespaces.slice(0).sort().join("\\.(?:.*\\.)?") + "(\\.|$)");
- // Filter the functions by class
- if ( !parts[1] || c[j].type == parts[1] ) {
- var tmp = c[j].apply( this, args );
+ handlers = ( jQuery.data(this, "events") || {} )[ event.type ];
- if ( val !== false )
- val = tmp;
+ for ( var j in handlers ) {
+ var handler = handlers[ j ];
+
+ // Filter the functions by class
+ if ( all || namespace.test(handler.type) ) {
+ // Pass in a reference to the handler function itself
+ // So that we can later remove it
+ event.handler = handler;
+ event.data = handler.data;
+
+ var ret = handler.apply( this, arguments );
+
+ if ( ret !== undefined ) {
+ event.result = ret;
+ if ( ret === false ) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
+ }
- if ( tmp === false ) {
- event.preventDefault();
- event.stopPropagation();
+ if ( event.isImmediatePropagationStopped() ) {
+ break;
}
+
}
}
- // 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;
+ return event.result;
},
- fix: function(event) {
- // store a copy of the original event object
- // and clone to set read-only properties
+ props: "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode layerX layerY metaKey newValue offsetX offsetY originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "),
+
+ fix: function( event ) {
+ if ( event[ expando ] ) {
+ return 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;
- };
-
+ event = jQuery.Event( originalEvent );
+
+ for ( var i = this.props.length, prop; i; ) {
+ prop = this.props[ --i ];
+ event[ prop ] = originalEvent[ prop ];
+ }
+
// Fix target property, if necessary
- if ( !event.target && event.srcElement )
- event.target = event.srcElement;
-
+ 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 (jQuery.browser.safari && event.target.nodeType == 3)
- event.target = originalEvent.target.parentNode;
+ if ( event.target.nodeType === 3 ) {
+ event.target = event.target.parentNode;
+ }
// Add relatedTarget, if necessary
- if ( !event.relatedTarget && event.fromElement )
- event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement;
+ 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 e = document.documentElement, b = document.body;
- event.pageX = event.clientX + (e && e.scrollLeft || b && b.scrollLeft || 0);
- event.pageY = event.clientY + (e && e.scrollTop || b && b.scrollTop || 0);
+ var doc = document.documentElement, body = document.body;
+ event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
+ event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
}
-
+
// Add which for key events
- if ( !event.which && (event.charCode || event.keyCode) )
+ if ( !event.which && ((event.charCode || event.charCode === 0) ? 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 )
+ if ( !event.metaKey && event.ctrlKey ) {
event.metaKey = event.ctrlKey;
+ }
- // Add which for click: 1 == left; 2 == middle; 3 == right
+ // 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 )
+ if ( !event.which && event.button !== undefined ) {
event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
-
+ }
+
return event;
+ },
+
+ // Deprecated, use jQuery.guid instead
+ guid: 1E8,
+
+ // Deprecated, use jQuery.proxy instead
+ proxy: jQuery.proxy,
+
+ special: {
+ ready: {
+ // Make sure the ready event is setup
+ setup: jQuery.bindReady,
+ teardown: jQuery.noop
+ },
+
+ live: {
+ add: function( proxy, data, namespaces, live ) {
+ jQuery.extend( proxy, data || {} );
+
+ proxy.guid += data.selector + data.live;
+ jQuery.event.add( this, data.live, liveHandler, data );
+
+ },
+
+ remove: function( namespaces ) {
+ if ( namespaces.length ) {
+ var remove = 0, name = new RegExp("(^|\\.)" + namespaces[0] + "(\\.|$)");
+
+ jQuery.each( (jQuery.data(this, "events").live || {}), function() {
+ if ( name.test(this.type) ) {
+ remove++;
+ }
+ });
+
+ if ( remove < 1 ) {
+ jQuery.event.remove( this, namespaces[0], liveHandler );
+ }
+ }
+ },
+ special: {}
+ },
+ beforeunload: {
+ setup: function( data, namespaces, fn ) {
+ // We only want to do this special case on windows
+ if ( this.setInterval ) {
+ this.onbeforeunload = fn;
+ }
+
+ return false;
+ },
+ teardown: function( namespaces, fn ) {
+ if ( this.onbeforeunload === fn ) {
+ this.onbeforeunload = null;
+ }
+ }
+ }
}
};
-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 );
- });
+jQuery.Event = function( src ) {
+ // Allow instantiation without the 'new' keyword
+ if ( !this.preventDefault ) {
+ return new jQuery.Event( src );
+ }
+
+ // Event object
+ if ( src && src.type ) {
+ this.originalEvent = src;
+ this.type = src.type;
+ // Event type
+ } else {
+ this.type = src;
+ }
+
+ // timeStamp is buggy for some events on Firefox(#3843)
+ // So we won't rely on the native value
+ this.timeStamp = now();
+
+ // Mark it as fixed
+ this[ expando ] = true;
+};
+
+function returnFalse() {
+ return false;
+}
+function returnTrue() {
+ return true;
+}
+
+// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
+// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
+jQuery.Event.prototype = {
+ preventDefault: function() {
+ this.isDefaultPrevented = returnTrue;
+
+ var e = this.originalEvent;
+ if ( !e ) {
+ return;
+ }
+
+ // if preventDefault exists run it on the original event
+ if ( e.preventDefault ) {
+ e.preventDefault();
+ }
+ // otherwise set the returnValue property of the original event to false (IE)
+ e.returnValue = false;
},
-
- 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);
- });
+ stopPropagation: function() {
+ this.isPropagationStopped = returnTrue;
+
+ var e = this.originalEvent;
+ if ( !e ) {
+ return;
+ }
+ // if stopPropagation exists run it on the original event
+ if ( e.stopPropagation ) {
+ e.stopPropagation();
+ }
+ // otherwise set the cancelBubble property of the original event to true (IE)
+ e.cancelBubble = true;
+ },
+ stopImmediatePropagation: function() {
+ this.isImmediatePropagationStopped = returnTrue;
+ this.stopPropagation();
},
+ isDefaultPrevented: returnFalse,
+ isPropagationStopped: returnFalse,
+ isImmediatePropagationStopped: returnFalse
+};
+
+// Checks if an event happened on an element within another element
+// Used in jQuery.event.special.mouseenter and mouseleave handlers
+var withinElement = function( event ) {
+ // Check if mouse(over|out) are still within the same parent element
+ var parent = event.relatedTarget;
+
+ // Traverse up the tree
+ while ( parent && parent !== this ) {
+ // Firefox sometimes assigns relatedTarget a XUL element
+ // which we cannot access the parentNode property of
+ try {
+ parent = parent.parentNode;
+
+ // assuming we've left the element since we most likely mousedover a xul element
+ } catch(e) {
+ break;
+ }
+ }
+ if ( parent !== this ) {
+ // set the correct event type
+ event.type = event.data;
+
+ // handle event if we actually just moused on to a non sub-element
+ jQuery.event.handle.apply( this, arguments );
+ }
+
+},
+
+// In case of event delegation, we only need to rename the event.type,
+// liveHandler will take care of the rest.
+delegate = function( event ) {
+ event.type = event.data;
+ jQuery.event.handle.apply( this, arguments );
+};
+
+// Create mouseenter and mouseleave events
+jQuery.each({
+ mouseenter: "mouseover",
+ mouseleave: "mouseout"
+}, function( orig, fix ) {
+ jQuery.event.special[ orig ] = {
+ setup: function( data ) {
+ jQuery.event.add( this, fix, data && data.selector ? delegate : withinElement, orig );
+ },
+ teardown: function( data ) {
+ jQuery.event.remove( this, fix, data && data.selector ? delegate : withinElement );
+ }
+ };
+});
+
+// submit delegation
+if ( !jQuery.support.submitBubbles ) {
+
+jQuery.event.special.submit = {
+ setup: function( data, namespaces, fn ) {
+ if ( this.nodeName.toLowerCase() !== "form" ) {
+ jQuery.event.add(this, "click.specialSubmit." + fn.guid, function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) {
+ return trigger( "submit", this, arguments );
+ }
+ });
+
+ jQuery.event.add(this, "keypress.specialSubmit." + fn.guid, function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) {
+ return trigger( "submit", this, arguments );
+ }
+ });
+
+ } else {
+ return false;
+ }
+ },
+
+ remove: function( namespaces, fn ) {
+ jQuery.event.remove( this, "click.specialSubmit" + (fn ? "."+fn.guid : "") );
+ jQuery.event.remove( this, "keypress.specialSubmit" + (fn ? "."+fn.guid : "") );
+ }
+};
+
+}
+
+// change delegation, happens here so we have bind.
+if ( !jQuery.support.changeBubbles ) {
+
+var formElems = /textarea|input|select/i;
+
+function getVal( elem ) {
+ var type = elem.type, val = elem.value;
+
+ if ( type === "radio" || type === "checkbox" ) {
+ val = elem.checked;
+
+ } else if ( type === "select-multiple" ) {
+ val = elem.selectedIndex > -1 ?
+ jQuery.map( elem.options, function( elem ) {
+ return elem.selected;
+ }).join("-") :
+ "";
+
+ } else if ( elem.nodeName.toLowerCase() === "select" ) {
+ val = elem.selectedIndex;
+ }
+
+ return val;
+}
+
+function testChange( e ) {
+ var elem = e.target, data, val;
+
+ if ( !formElems.test( elem.nodeName ) || elem.readOnly ) {
+ return;
+ }
+
+ data = jQuery.data( elem, "_change_data" );
+ val = getVal(elem);
+
+ if ( val === data ) {
+ return;
+ }
+
+ // the current data will be also retrieved by beforeactivate
+ if ( e.type !== "focusout" || elem.type !== "radio" ) {
+ jQuery.data( elem, "_change_data", val );
+ }
+
+ if ( elem.type !== "select" && (data != null || val) ) {
+ e.type = "change";
+ return jQuery.event.trigger( e, arguments[1], this );
+ }
+}
+
+jQuery.event.special.change = {
+ filters: {
+ focusout: testChange,
+
+ click: function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) {
+ return testChange.call( this, e );
+ }
+ },
+
+ // Change has to be called before submit
+ // Keydown will be called before keypress, which is used in submit-event delegation
+ keydown: function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") ||
+ (e.keyCode === 32 && (type === "checkbox" || type === "radio")) ||
+ type === "select-multiple" ) {
+ return testChange.call( this, e );
+ }
+ },
+
+ // Beforeactivate happens also before the previous element is blurred
+ // with this event you can't trigger a change event, but you can store
+ // information/focus[in] is not needed anymore
+ beforeactivate: function( e ) {
+ var elem = e.target;
+
+ if ( elem.nodeName.toLowerCase() === "input" && elem.type === "radio" ) {
+ jQuery.data( elem, "_change_data", getVal(elem) );
+ }
+ }
+ },
+ setup: function( data, namespaces, fn ) {
+ for ( var type in changeFilters ) {
+ jQuery.event.add( this, type + ".specialChange." + fn.guid, changeFilters[type] );
+ }
+
+ return formElems.test( this.nodeName );
+ },
+ remove: function( namespaces, fn ) {
+ for ( var type in changeFilters ) {
+ jQuery.event.remove( this, type + ".specialChange" + (fn ? "."+fn.guid : ""), changeFilters[type] );
+ }
+
+ return formElems.test( this.nodeName );
+ }
+};
+
+var changeFilters = jQuery.event.special.change.filters;
+
+}
+
+function trigger( type, elem, args ) {
+ args[0].type = type;
+ return jQuery.event.handle.apply( elem, args );
+}
+
+// Create "bubbling" focus and blur events
+if ( document.addEventListener ) {
+ jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+ jQuery.event.special[ fix ] = {
+ setup: function() {
+ this.addEventListener( orig, handler, true );
+ },
+ teardown: function() {
+ this.removeEventListener( orig, handler, true );
+ }
+ };
+
+ function handler( e ) {
+ e = jQuery.event.fix( e );
+ e.type = fix;
+ return jQuery.event.handle.call( this, e );
+ }
+ });
+}
+
+jQuery.each(["bind", "one"], function( i, name ) {
+ jQuery.fn[ name ] = function( type, data, fn ) {
+ // Handle object literals
+ if ( typeof type === "object" ) {
+ for ( var key in type ) {
+ this[ name ](key, data, type[key], fn);
+ }
+ return this;
+ }
+
+ if ( jQuery.isFunction( data ) ) {
+ thisObject = fn;
+ fn = data;
+ data = undefined;
+ }
+
+ var handler = name === "one" ? jQuery.proxy( fn, function( event ) {
+ jQuery( this ).unbind( event, handler );
+ return fn.apply( this, arguments );
+ }) : fn;
+
+ return type === "unload" && name !== "one" ?
+ this.one( type, data, fn, thisObject ) :
+ this.each(function() {
+ jQuery.event.add( this, type, handler, data );
+ });
+ };
+});
+
+jQuery.fn.extend({
unbind: function( type, fn ) {
- return this.each(function(){
+ // Handle object literals
+ if ( typeof type === "object" && !type.preventDefault ) {
+ for ( var key in type ) {
+ this.unbind(key, type[key]);
+ }
+ return this;
+ }
+
+ 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 );
+ trigger: function( type, data ) {
+ return this.each(function() {
+ jQuery.event.trigger( type, data, this );
});
},
- triggerHandler: function( type, data, fn ) {
- if ( this[0] )
- return jQuery.event.trigger( type, data, this[0], false, fn );
+ triggerHandler: function( type, data ) {
+ if ( this[0] ) {
+ var event = jQuery.Event( type );
+ event.preventDefault();
+ event.stopPropagation();
+ jQuery.event.trigger( event, data, this[0] );
+ return event.result;
+ }
},
- toggle: function() {
+ toggle: function( fn ) {
// Save reference to arguments for access in closure
- var a = arguments;
+ var args = arguments, i = 1;
+
+ // link all the functions, so any of them can unbind this click handler
+ while ( i < args.length ) {
+ jQuery.proxy( fn, args[ i++ ] );
+ }
- return this.click(function(e) {
+ return this.click( jQuery.proxy( fn, function( event ) {
// Figure out which function to execute
- this.lastToggle = 0 == this.lastToggle ? 1 : 0;
-
+ var lastToggle = ( jQuery.data( this, "lastToggle" + fn.guid ) || 0 ) % i;
+ jQuery.data( this, "lastToggle" + fn.guid, lastToggle + 1 );
+
// Make sure that clicks stop
- e.preventDefault();
-
+ event.preventDefault();
+
// and execute the function
- return a[this.lastToggle].apply( this, [e] ) || false;
- });
+ return args[ lastToggle ].apply( this, arguments ) || false;
+ }));
},
- hover: function(f,g) {
-
- // A private function for handling mouse 'hovering'
- function handleHover(e) {
- // Check if mouse(over|out) are still within the same parent element
- var p = e.relatedTarget;
-
- // Traverse up the tree
- while ( p && p != this ) try { p = p.parentNode; } catch(e) { p = this; };
-
- // If we actually just moused on to a sub-element, ignore it
- if ( p == this ) return false;
-
- // Execute the right function
- return (e.type == "mouseover" ? f : g).apply(this, [e]);
+ hover: function( fnOver, fnOut ) {
+ return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
+ },
+
+ live: function( type, data, fn ) {
+ if ( jQuery.isFunction( data ) ) {
+ fn = data;
+ data = undefined;
}
-
- // Bind the function to the two event listeners
- return this.mouseover(handleHover).mouseout(handleHover);
+
+ jQuery( this.context ).bind( liveConvert( type, this.selector ), {
+ data: data, selector: this.selector, live: type
+ }, fn );
+
+ return this;
},
-
- ready: function(f) {
- // Attach the listeners
- bindReady();
-
- // If the DOM is already ready
- if ( jQuery.isReady )
- // Execute the function immediately
- f.apply( document, [jQuery] );
-
- // Otherwise, remember the function for later
- else
- // Add the function to the wait list
- jQuery.readyList.push( function() { return f.apply(this, [jQuery]); } );
-
+
+ die: function( type, fn ) {
+ jQuery( this.context ).unbind( liveConvert( type, this.selector ), fn ? { guid: fn.guid + this.selector + type } : null );
return this;
}
});
-jQuery.extend({
- /*
- * All the code that makes DOM Ready work nicely.
- */
- 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;
+function liveHandler( event ) {
+ var stop = true, elems = [], selectors = [], args = arguments,
+ related, match, fn, elem, j, i, data,
+ live = jQuery.extend({}, jQuery.data( this, "events" ).live);
+
+ for ( j in live ) {
+ fn = live[j];
+ if ( fn.live === event.type ||
+ fn.altLive && jQuery.inArray(event.type, fn.altLive) > -1 ) {
+
+ data = fn.data;
+ if ( !(data.beforeFilter && data.beforeFilter[event.type] &&
+ !data.beforeFilter[event.type](event)) ) {
+ selectors.push( fn.selector );
}
- // Remove event listener to avoid memory leak
- if ( jQuery.browser.mozilla || jQuery.browser.opera )
- document.removeEventListener( "DOMContentLoaded", jQuery.ready, false );
+ } else {
+ delete live[j];
}
}
-});
+ match = jQuery( event.target ).closest( selectors, event.currentTarget );
-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,o){
-
- // Handle event binding
- jQuery.fn[o] = function(f){
- return f ? this.bind(o, f) : this.trigger(o);
- };
-});
+ for ( i = 0, l = match.length; i < l; i++ ) {
+ for ( j in live ) {
+ fn = live[j];
+ elem = match[i].elem;
+ related = null;
-var readyBound = false;
-
-function bindReady(){
- if ( readyBound ) return;
- readyBound = true;
-
- // If Mozilla is used
- if ( jQuery.browser.mozilla || jQuery.browser.opera )
- // Use the handy event callback
- document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
-
- // If Safari or IE is used
- else {
- // Continually check to see if the document is ready
- function timer(){
- 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");
-
- // and execute any waiting functions
- jQuery.ready();
- } catch( error ) {
- setTimeout( timer, 0 );
+ if ( match[i].selector === fn.selector ) {
+ // Those two events require additional checking
+ if ( fn.live === "mouseenter" || fn.live === "mouseleave" ) {
+ related = jQuery( event.relatedTarget ).closest( fn.selector )[0];
+ }
+
+ if ( !related || related !== elem ) {
+ elems.push({ elem: elem, fn: fn });
+ }
}
}
+ }
+
+ for ( i = 0, l = elems.length; i < l; i++ ) {
+ match = elems[i];
+ event.currentTarget = match.elem;
+ event.data = match.fn.data;
+ if ( match.fn.apply( match.elem, args ) === false ) {
+ stop = false;
+ break;
+ }
+ }
+
+ return stop;
+}
+
+function liveConvert( type, selector ) {
+ return ["live", type, selector.replace(/\./g, "`").replace(/ /g, "&")].join(".");
+}
+
+jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
+ "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
+ "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 );
+ };
- timer();
+ if ( jQuery.attrFn ) {
+ jQuery.attrFn[ name ] = true;
}
+});
- // A fallback to window.onload, that will always work
- jQuery.event.add( window, "load", jQuery.ready );
+// Prevent memory leaks in IE
+// Window isn't included so as not to unbind existing unload events
+// More info:
+// - http://isaacschlueter.com/2006/10/msie-memory-leaks/
+if ( window.attachEvent && !window.addEventListener ) {
+ window.attachEvent("onunload", function() {
+ for ( var id in jQuery.cache ) {
+ if ( jQuery.cache[ id ].handle ) {
+ // Try/Catch is to handle iframes being unloaded, see #4280
+ try {
+ jQuery.event.remove( jQuery.cache[ id ].handle.elem );
+ } catch(e) {}
+ }
+ }
+ });
}
git.asbjorn.biz / jquery.git / blobdiff