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+define([
+ "./core",
+ "./var/strundefined",
+ "./var/rnotwhite",
+ "./var/hasOwn",
+ "./var/slice",
+ "./event/support",
+
+ "./core/init",
+ "./data/accepts",
+ "./selector"
+], function( jQuery, strundefined, rnotwhite, hasOwn, slice, support ) {
+
+var rformElems = /^(?:input|select|textarea)$/i,
+ rkeyEvent = /^key/,
+ rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
+ rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
+ rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
+
+function returnTrue() {
+ return true;
+}
+
+function returnFalse() {
+ return false;
+}
+
+function safeActiveElement() {
+ try {
+ return document.activeElement;
+ } catch ( err ) { }
+}
+
+/*
+ * Helper functions for managing events -- not part of the public interface.
+ * Props to Dean Edwards' addEvent library for many of the ideas.
+ */
+jQuery.event = {
+
+ global: {},
+
+ add: function( elem, types, handler, data, selector ) {
+ var tmp, events, t, handleObjIn,
+ special, eventHandle, handleObj,
+ handlers, type, namespaces, origType,
+ elemData = jQuery._data( elem );
+
+ // Don't attach events to noData or text/comment nodes (but allow plain objects)
+ if ( !elemData ) {
+ return;
+ }
+
+ // Caller can pass in an object of custom data in lieu of the handler
+ if ( handler.handler ) {
+ handleObjIn = handler;
+ handler = handleObjIn.handler;
+ selector = handleObjIn.selector;
+ }
+
+ // Make sure that the handler has a unique ID, used to find/remove it later
+ if ( !handler.guid ) {
+ handler.guid = jQuery.guid++;
+ }
+
+ // Init the element's event structure and main handler, if this is the first
+ if ( !(events = elemData.events) ) {
+ events = elemData.events = {};
+ }
+ if ( !(eventHandle = elemData.handle) ) {
+ eventHandle = elemData.handle = function( e ) {
+ // Discard the second event of a jQuery.event.trigger() and
+ // when an event is called after a page has unloaded
+ return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ?
+ jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
+ undefined;
+ };
+ // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
+ eventHandle.elem = elem;
+ }
+
+ // Handle multiple events separated by a space
+ types = ( types || "" ).match( rnotwhite ) || [ "" ];
+ t = types.length;
+ while ( t-- ) {
+ tmp = rtypenamespace.exec( types[t] ) || [];
+ type = origType = tmp[1];
+ namespaces = ( tmp[2] || "" ).split( "." ).sort();
+
+ // There *must* be a type, no attaching namespace-only handlers
+ if ( !type ) {
+ continue;
+ }
+
+ // If event changes its type, use the special event handlers for the changed type
+ special = jQuery.event.special[ type ] || {};
+
+ // If selector defined, determine special event api type, otherwise given type
+ type = ( selector ? special.delegateType : special.bindType ) || type;
+
+ // Update special based on newly reset type
+ special = jQuery.event.special[ type ] || {};
+
+ // handleObj is passed to all event handlers
+ handleObj = jQuery.extend({
+ type: type,
+ origType: origType,
+ data: data,
+ handler: handler,
+ guid: handler.guid,
+ selector: selector,
+ needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
+ namespace: namespaces.join(".")
+ }, handleObjIn );
+
+ // Init the event handler queue if we're the first
+ if ( !(handlers = events[ type ]) ) {
+ handlers = events[ type ] = [];
+ handlers.delegateCount = 0;
+
+ // Only use addEventListener/attachEvent if the special events handler returns false
+ if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
+ // Bind the global event handler to the element
+ if ( elem.addEventListener ) {
+ elem.addEventListener( type, eventHandle, false );
+
+ } else if ( elem.attachEvent ) {
+ elem.attachEvent( "on" + type, eventHandle );
+ }
+ }
+ }
+
+ if ( special.add ) {
+ special.add.call( elem, handleObj );
+
+ if ( !handleObj.handler.guid ) {
+ handleObj.handler.guid = handler.guid;
+ }
+ }
+
+ // Add to the element's handler list, delegates in front
+ if ( selector ) {
+ handlers.splice( handlers.delegateCount++, 0, handleObj );
+ } else {
+ handlers.push( handleObj );
+ }
+
+ // Keep track of which events have ever been used, for event optimization
+ jQuery.event.global[ type ] = true;
+ }
+
+ // Nullify elem to prevent memory leaks in IE
+ elem = null;
+ },
+
+ // Detach an event or set of events from an element
+ remove: function( elem, types, handler, selector, mappedTypes ) {
+ var j, handleObj, tmp,
+ origCount, t, events,
+ special, handlers, type,
+ namespaces, origType,
+ elemData = jQuery.hasData( elem ) && jQuery._data( elem );
+
+ if ( !elemData || !(events = elemData.events) ) {
+ return;
+ }
+
+ // Once for each type.namespace in types; type may be omitted
+ types = ( types || "" ).match( rnotwhite ) || [ "" ];
+ t = types.length;
+ while ( t-- ) {
+ tmp = rtypenamespace.exec( types[t] ) || [];
+ type = origType = tmp[1];
+ namespaces = ( tmp[2] || "" ).split( "." ).sort();
+
+ // Unbind all events (on this namespace, if provided) for the element
+ if ( !type ) {
+ for ( type in events ) {
+ jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
+ }
+ continue;
+ }
+
+ special = jQuery.event.special[ type ] || {};
+ type = ( selector ? special.delegateType : special.bindType ) || type;
+ handlers = events[ type ] || [];
+ tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
+
+ // Remove matching events
+ origCount = j = handlers.length;
+ while ( j-- ) {
+ handleObj = handlers[ j ];
+
+ if ( ( mappedTypes || origType === handleObj.origType ) &&
+ ( !handler || handler.guid === handleObj.guid ) &&
+ ( !tmp || tmp.test( handleObj.namespace ) ) &&
+ ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
+ handlers.splice( j, 1 );
+
+ if ( handleObj.selector ) {
+ handlers.delegateCount--;
+ }
+ if ( special.remove ) {
+ special.remove.call( elem, handleObj );
+ }
+ }
+ }
+
+ // Remove generic event handler if we removed something and no more handlers exist
+ // (avoids potential for endless recursion during removal of special event handlers)
+ if ( origCount && !handlers.length ) {
+ if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
+ jQuery.removeEvent( elem, type, elemData.handle );
+ }
+
+ delete events[ type ];
+ }
+ }
+
+ // Remove the expando if it's no longer used
+ if ( jQuery.isEmptyObject( events ) ) {
+ delete elemData.handle;
+
+ // removeData also checks for emptiness and clears the expando if empty
+ // so use it instead of delete
+ jQuery._removeData( elem, "events" );
+ }
+ },
+
+ trigger: function( event, data, elem, onlyHandlers ) {
+ var handle, ontype, cur,
+ bubbleType, special, tmp, i,
+ eventPath = [ elem || document ],
+ type = hasOwn.call( event, "type" ) ? event.type : event,
+ namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
+
+ cur = tmp = elem = elem || document;
+
+ // Don't do events on text and comment nodes
+ if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
+ return;
+ }
+
+ // focus/blur morphs to focusin/out; ensure we're not firing them right now
+ if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
+ return;
+ }
+
+ if ( type.indexOf(".") >= 0 ) {
+ // Namespaced trigger; create a regexp to match event type in handle()
+ namespaces = type.split(".");
+ type = namespaces.shift();
+ namespaces.sort();
+ }
+ ontype = type.indexOf(":") < 0 && "on" + type;
+
+ // Caller can pass in a jQuery.Event object, Object, or just an event type string
+ event = event[ jQuery.expando ] ?
+ event :
+ new jQuery.Event( type, typeof event === "object" && event );
+
+ // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
+ event.isTrigger = onlyHandlers ? 2 : 3;
+ event.namespace = namespaces.join(".");
+ event.namespace_re = event.namespace ?
+ new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
+ null;
+
+ // Clean up the event in case it is being reused
+ event.result = undefined;
+ if ( !event.target ) {
+ event.target = elem;
+ }
+
+ // Clone any incoming data and prepend the event, creating the handler arg list
+ data = data == null ?
+ [ event ] :
+ jQuery.makeArray( data, [ event ] );
+
+ // Allow special events to draw outside the lines
+ special = jQuery.event.special[ type ] || {};
+ if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
+ return;
+ }
+
+ // Determine event propagation path in advance, per W3C events spec (#9951)
+ // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
+ if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
+
+ bubbleType = special.delegateType || type;
+ if ( !rfocusMorph.test( bubbleType + type ) ) {
+ cur = cur.parentNode;
+ }
+ for ( ; cur; cur = cur.parentNode ) {
+ eventPath.push( cur );
+ tmp = cur;
+ }
+
+ // Only add window if we got to document (e.g., not plain obj or detached DOM)
+ if ( tmp === (elem.ownerDocument || document) ) {
+ eventPath.push( tmp.defaultView || tmp.parentWindow || window );
+ }
+ }
+
+ // Fire handlers on the event path
+ i = 0;
+ while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
+
+ event.type = i > 1 ?
+ bubbleType :
+ special.bindType || type;
+
+ // jQuery handler
+ handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
+ if ( handle ) {
+ handle.apply( cur, data );
+ }
+
+ // Native handler
+ handle = ontype && cur[ ontype ];
+ if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
+ event.result = handle.apply( cur, data );
+ if ( event.result === false ) {
+ event.preventDefault();
+ }
+ }
+ }
+ event.type = type;
+
+ // If nobody prevented the default action, do it now
+ if ( !onlyHandlers && !event.isDefaultPrevented() ) {
+
+ if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
+ jQuery.acceptData( elem ) ) {
+
+ // Call a native DOM method on the target with the same name name as the event.
+ // Can't use an .isFunction() check here because IE6/7 fails that test.
+ // Don't do default actions on window, that's where global variables be (#6170)
+ if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
+
+ // Don't re-trigger an onFOO event when we call its FOO() method
+ tmp = elem[ ontype ];
+
+ if ( tmp ) {
+ elem[ ontype ] = null;
+ }
+
+ // Prevent re-triggering of the same event, since we already bubbled it above
+ jQuery.event.triggered = type;
+ try {
+ elem[ type ]();
+ } catch ( e ) {
+ // IE<9 dies on focus/blur to hidden element (#1486,#12518)
+ // only reproducible on winXP IE8 native, not IE9 in IE8 mode
+ }
+ jQuery.event.triggered = undefined;
+
+ if ( tmp ) {
+ elem[ ontype ] = tmp;
+ }
+ }
+ }
+ }
+
+ return event.result;
+ },
+
+ dispatch: function( event ) {
+
+ // Make a writable jQuery.Event from the native event object
+ event = jQuery.event.fix( event );
+
+ var i, ret, handleObj, matched, j,
+ handlerQueue = [],
+ args = slice.call( arguments ),
+ handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
+ special = jQuery.event.special[ event.type ] || {};
+
+ // Use the fix-ed jQuery.Event rather than the (read-only) native event
+ args[0] = event;
+ event.delegateTarget = this;
+
+ // Call the preDispatch hook for the mapped type, and let it bail if desired
+ if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
+ return;
+ }
+
+ // Determine handlers
+ handlerQueue = jQuery.event.handlers.call( this, event, handlers );
+
+ // Run delegates first; they may want to stop propagation beneath us
+ i = 0;
+ while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
+ event.currentTarget = matched.elem;
+
+ j = 0;
+ while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
+
+ // Triggered event must either 1) have no namespace, or
+ // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
+ if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
+
+ event.handleObj = handleObj;
+ event.data = handleObj.data;
+
+ ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
+ .apply( matched.elem, args );
+
+ if ( ret !== undefined ) {
+ if ( (event.result = ret) === false ) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
+ }
+ }
+ }
+ }
+
+ // Call the postDispatch hook for the mapped type
+ if ( special.postDispatch ) {
+ special.postDispatch.call( this, event );
+ }
+
+ return event.result;
+ },
+
+ handlers: function( event, handlers ) {
+ var sel, handleObj, matches, i,
+ handlerQueue = [],
+ delegateCount = handlers.delegateCount,
+ cur = event.target;
+
+ // Find delegate handlers
+ // Black-hole SVG <use> instance trees (#13180)
+ // Avoid non-left-click bubbling in Firefox (#3861)
+ if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
+
+ /* jshint eqeqeq: false */
+ for ( ; cur != this; cur = cur.parentNode || this ) {
+ /* jshint eqeqeq: true */
+
+ // Don't check non-elements (#13208)
+ // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
+ if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
+ matches = [];
+ for ( i = 0; i < delegateCount; i++ ) {
+ handleObj = handlers[ i ];
+
+ // Don't conflict with Object.prototype properties (#13203)
+ sel = handleObj.selector + " ";
+
+ if ( matches[ sel ] === undefined ) {
+ matches[ sel ] = handleObj.needsContext ?
+ jQuery( sel, this ).index( cur ) >= 0 :
+ jQuery.find( sel, this, null, [ cur ] ).length;
+ }
+ if ( matches[ sel ] ) {
+ matches.push( handleObj );
+ }
+ }
+ if ( matches.length ) {
+ handlerQueue.push({ elem: cur, handlers: matches });
+ }
+ }
+ }
+ }
+
+ // Add the remaining (directly-bound) handlers
+ if ( delegateCount < handlers.length ) {
+ handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
+ }
+
+ return handlerQueue;
+ },
+
+ fix: function( event ) {
+ if ( event[ jQuery.expando ] ) {
+ return event;
+ }
+
+ // Create a writable copy of the event object and normalize some properties
+ var i, prop, copy,
+ type = event.type,
+ originalEvent = event,
+ fixHook = this.fixHooks[ type ];
+
+ if ( !fixHook ) {
+ this.fixHooks[ type ] = fixHook =
+ rmouseEvent.test( type ) ? this.mouseHooks :
+ rkeyEvent.test( type ) ? this.keyHooks :
+ {};
+ }
+ copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
+
+ event = new jQuery.Event( originalEvent );
+
+ i = copy.length;
+ while ( i-- ) {
+ prop = copy[ i ];
+ event[ prop ] = originalEvent[ prop ];
+ }
+
+ // Support: IE<9
+ // Fix target property (#1925)
+ if ( !event.target ) {
+ event.target = originalEvent.srcElement || document;
+ }
+
+ // Support: Chrome 23+, Safari?
+ // Target should not be a text node (#504, #13143)
+ if ( event.target.nodeType === 3 ) {
+ event.target = event.target.parentNode;
+ }
+
+ // Support: IE<9
+ // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
+ event.metaKey = !!event.metaKey;
+
+ return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
+ },
+
+ // Includes some event props shared by KeyEvent and MouseEvent
+ props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
+
+ fixHooks: {},
+
+ keyHooks: {
+ props: "char charCode key keyCode".split(" "),
+ filter: function( event, original ) {
+
+ // Add which for key events
+ if ( event.which == null ) {
+ event.which = original.charCode != null ? original.charCode : original.keyCode;
+ }
+
+ return event;
+ }
+ },
+
+ mouseHooks: {
+ props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
+ filter: function( event, original ) {
+ var body, eventDoc, doc,
+ button = original.button,
+ fromElement = original.fromElement;
+
+ // Calculate pageX/Y if missing and clientX/Y available
+ if ( event.pageX == null && original.clientX != null ) {
+ eventDoc = event.target.ownerDocument || document;
+ doc = eventDoc.documentElement;
+ body = eventDoc.body;
+
+ event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
+ event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 );
+ }
+
+ // Add relatedTarget, if necessary
+ if ( !event.relatedTarget && fromElement ) {
+ event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
+ }
+
+ // Add which for click: 1 === left; 2 === middle; 3 === right
+ // Note: button is not normalized, so don't use it
+ if ( !event.which && button !== undefined ) {
+ event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
+ }
+
+ return event;
+ }
+ },
+
+ special: {
+ load: {
+ // Prevent triggered image.load events from bubbling to window.load
+ noBubble: true
+ },
+ focus: {
+ // Fire native event if possible so blur/focus sequence is correct
+ trigger: function() {
+ if ( this !== safeActiveElement() && this.focus ) {
+ try {
+ this.focus();
+ return false;
+ } catch ( e ) {
+ // Support: IE<9
+ // If we error on focus to hidden element (#1486, #12518),
+ // let .trigger() run the handlers
+ }
+ }
+ },
+ delegateType: "focusin"
+ },
+ blur: {
+ trigger: function() {
+ if ( this === safeActiveElement() && this.blur ) {
+ this.blur();
+ return false;
+ }
+ },
+ delegateType: "focusout"
+ },
+ click: {
+ // For checkbox, fire native event so checked state will be right
+ trigger: function() {
+ if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
+ this.click();
+ return false;
+ }
+ },
+
+ // For cross-browser consistency, don't fire native .click() on links
+ _default: function( event ) {
+ return jQuery.nodeName( event.target, "a" );
+ }
+ },
+
+ beforeunload: {
+ postDispatch: function( event ) {
+
+ // Support: Firefox 20+
+ // Firefox doesn't alert if the returnValue field is not set.
+ if ( event.result !== undefined && event.originalEvent ) {
+ event.originalEvent.returnValue = event.result;
+ }
+ }
+ }
+ },
+
+ simulate: function( type, elem, event, bubble ) {
+ // Piggyback on a donor event to simulate a different one.
+ // Fake originalEvent to avoid donor's stopPropagation, but if the
+ // simulated event prevents default then we do the same on the donor.
+ var e = jQuery.extend(
+ new jQuery.Event(),
+ event,
+ {
+ type: type,
+ isSimulated: true,
+ originalEvent: {}
+ }
+ );
+ if ( bubble ) {
+ jQuery.event.trigger( e, null, elem );
+ } else {
+ jQuery.event.dispatch.call( elem, e );
+ }
+ if ( e.isDefaultPrevented() ) {
+ event.preventDefault();
+ }
+ }
+};
+
+jQuery.removeEvent = document.removeEventListener ?
+ function( elem, type, handle ) {
+ if ( elem.removeEventListener ) {
+ elem.removeEventListener( type, handle, false );
+ }
+ } :
+ function( elem, type, handle ) {
+ var name = "on" + type;
+
+ if ( elem.detachEvent ) {
+
+ // #8545, #7054, preventing memory leaks for custom events in IE6-8
+ // detachEvent needed property on element, by name of that event, to properly expose it to GC
+ if ( typeof elem[ name ] === strundefined ) {
+ elem[ name ] = null;
+ }
+
+ elem.detachEvent( name, handle );
+ }
+ };
+
+jQuery.Event = function( src, props ) {
+ // Allow instantiation without the 'new' keyword
+ if ( !(this instanceof jQuery.Event) ) {
+ return new jQuery.Event( src, props );
+ }
+
+ // Event object
+ if ( src && src.type ) {
+ this.originalEvent = src;
+ this.type = src.type;
+
+ // Events bubbling up the document may have been marked as prevented
+ // by a handler lower down the tree; reflect the correct value.
+ this.isDefaultPrevented = src.defaultPrevented ||
+ src.defaultPrevented === undefined &&
+ // Support: IE < 9, Android < 4.0
+ src.returnValue === false ?
+ returnTrue :
+ returnFalse;
+
+ // Event type
+ } else {
+ this.type = src;
+ }
+
+ // Put explicitly provided properties onto the event object
+ if ( props ) {
+ jQuery.extend( this, props );
+ }
+
+ // Create a timestamp if incoming event doesn't have one
+ this.timeStamp = src && src.timeStamp || jQuery.now();
+
+ // Mark it as fixed
+ this[ jQuery.expando ] = 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 = {
+ isDefaultPrevented: returnFalse,
+ isPropagationStopped: returnFalse,
+ isImmediatePropagationStopped: returnFalse,
+
+ preventDefault: function() {
+ var e = this.originalEvent;
+
+ this.isDefaultPrevented = returnTrue;
+ if ( !e ) {
+ return;
+ }
+
+ // If preventDefault exists, run it on the original event
+ if ( e.preventDefault ) {
+ e.preventDefault();
+
+ // Support: IE
+ // Otherwise set the returnValue property of the original event to false
+ } else {
+ e.returnValue = false;
+ }
+ },
+ stopPropagation: function() {
+ var e = this.originalEvent;
+
+ this.isPropagationStopped = returnTrue;
+ if ( !e ) {
+ return;
+ }
+ // If stopPropagation exists, run it on the original event
+ if ( e.stopPropagation ) {
+ e.stopPropagation();
+ }
+
+ // Support: IE
+ // Set the cancelBubble property of the original event to true
+ e.cancelBubble = true;
+ },
+ stopImmediatePropagation: function() {
+ var e = this.originalEvent;
+
+ this.isImmediatePropagationStopped = returnTrue;
+
+ if ( e && e.stopImmediatePropagation ) {
+ e.stopImmediatePropagation();
+ }
+
+ this.stopPropagation();
+ }
+};
+
+// Create mouseenter/leave events using mouseover/out and event-time checks
+jQuery.each({
+ mouseenter: "mouseover",
+ mouseleave: "mouseout",
+ pointerenter: "pointerover",
+ pointerleave: "pointerout"
+}, function( orig, fix ) {
+ jQuery.event.special[ orig ] = {
+ delegateType: fix,
+ bindType: fix,
+
+ handle: function( event ) {
+ var ret,
+ target = this,
+ related = event.relatedTarget,
+ handleObj = event.handleObj;
+
+ // For mousenter/leave call the handler if related is outside the target.
+ // NB: No relatedTarget if the mouse left/entered the browser window
+ if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
+ event.type = handleObj.origType;
+ ret = handleObj.handler.apply( this, arguments );
+ event.type = fix;
+ }
+ return ret;
+ }
+ };
+});
+
+// IE submit delegation
+if ( !support.submitBubbles ) {
+
+ jQuery.event.special.submit = {
+ setup: function() {
+ // Only need this for delegated form submit events
+ if ( jQuery.nodeName( this, "form" ) ) {
+ return false;
+ }
+
+ // Lazy-add a submit handler when a descendant form may potentially be submitted
+ jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
+ // Node name check avoids a VML-related crash in IE (#9807)
+ var elem = e.target,
+ form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
+ if ( form && !jQuery._data( form, "submitBubbles" ) ) {
+ jQuery.event.add( form, "submit._submit", function( event ) {
+ event._submit_bubble = true;
+ });
+ jQuery._data( form, "submitBubbles", true );
+ }
+ });
+ // return undefined since we don't need an event listener
+ },
+
+ postDispatch: function( event ) {
+ // If form was submitted by the user, bubble the event up the tree
+ if ( event._submit_bubble ) {
+ delete event._submit_bubble;
+ if ( this.parentNode && !event.isTrigger ) {
+ jQuery.event.simulate( "submit", this.parentNode, event, true );
+ }
+ }
+ },
+
+ teardown: function() {
+ // Only need this for delegated form submit events
+ if ( jQuery.nodeName( this, "form" ) ) {
+ return false;
+ }
+
+ // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
+ jQuery.event.remove( this, "._submit" );
+ }
+ };
+}
+
+// IE change delegation and checkbox/radio fix
+if ( !support.changeBubbles ) {
+
+ jQuery.event.special.change = {
+
+ setup: function() {
+
+ if ( rformElems.test( this.nodeName ) ) {
+ // IE doesn't fire change on a check/radio until blur; trigger it on click
+ // after a propertychange. Eat the blur-change in special.change.handle.
+ // This still fires onchange a second time for check/radio after blur.
+ if ( this.type === "checkbox" || this.type === "radio" ) {
+ jQuery.event.add( this, "propertychange._change", function( event ) {
+ if ( event.originalEvent.propertyName === "checked" ) {
+ this._just_changed = true;
+ }
+ });
+ jQuery.event.add( this, "click._change", function( event ) {
+ if ( this._just_changed && !event.isTrigger ) {
+ this._just_changed = false;
+ }
+ // Allow triggered, simulated change events (#11500)
+ jQuery.event.simulate( "change", this, event, true );
+ });
+ }
+ return false;
+ }
+ // Delegated event; lazy-add a change handler on descendant inputs
+ jQuery.event.add( this, "beforeactivate._change", function( e ) {
+ var elem = e.target;
+
+ if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
+ jQuery.event.add( elem, "change._change", function( event ) {
+ if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
+ jQuery.event.simulate( "change", this.parentNode, event, true );
+ }
+ });
+ jQuery._data( elem, "changeBubbles", true );
+ }
+ });
+ },
+
+ handle: function( event ) {
+ var elem = event.target;
+
+ // Swallow native change events from checkbox/radio, we already triggered them above
+ if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
+ return event.handleObj.handler.apply( this, arguments );
+ }
+ },
+
+ teardown: function() {
+ jQuery.event.remove( this, "._change" );
+
+ return !rformElems.test( this.nodeName );
+ }
+ };
+}
+
+// Create "bubbling" focus and blur events
+if ( !support.focusinBubbles ) {
+ jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+
+ // Attach a single capturing handler on the document while someone wants focusin/focusout
+ var handler = function( event ) {
+ jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
+ };
+
+ jQuery.event.special[ fix ] = {
+ setup: function() {
+ var doc = this.ownerDocument || this,
+ attaches = jQuery._data( doc, fix );
+
+ if ( !attaches ) {
+ doc.addEventListener( orig, handler, true );
+ }
+ jQuery._data( doc, fix, ( attaches || 0 ) + 1 );
+ },
+ teardown: function() {
+ var doc = this.ownerDocument || this,
+ attaches = jQuery._data( doc, fix ) - 1;
+
+ if ( !attaches ) {
+ doc.removeEventListener( orig, handler, true );
+ jQuery._removeData( doc, fix );
+ } else {
+ jQuery._data( doc, fix, attaches );
+ }
+ }
+ };
+ });
+}
+
+jQuery.fn.extend({
+
+ on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
+ var type, origFn;
+
+ // Types can be a map of types/handlers
+ if ( typeof types === "object" ) {
+ // ( types-Object, selector, data )
+ if ( typeof selector !== "string" ) {
+ // ( types-Object, data )
+ data = data || selector;
+ selector = undefined;
+ }
+ for ( type in types ) {
+ this.on( type, selector, data, types[ type ], one );
+ }
+ return this;
+ }
+
+ if ( data == null && fn == null ) {
+ // ( types, fn )
+ fn = selector;
+ data = selector = undefined;
+ } else if ( fn == null ) {
+ if ( typeof selector === "string" ) {
+ // ( types, selector, fn )
+ fn = data;
+ data = undefined;
+ } else {
+ // ( types, data, fn )
+ fn = data;
+ data = selector;
+ selector = undefined;
+ }
+ }
+ if ( fn === false ) {
+ fn = returnFalse;
+ } else if ( !fn ) {
+ return this;
+ }
+
+ if ( one === 1 ) {
+ origFn = fn;
+ fn = function( event ) {
+ // Can use an empty set, since event contains the info
+ jQuery().off( event );
+ return origFn.apply( this, arguments );
+ };
+ // Use same guid so caller can remove using origFn
+ fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
+ }
+ return this.each( function() {
+ jQuery.event.add( this, types, fn, data, selector );
+ });
+ },
+ one: function( types, selector, data, fn ) {
+ return this.on( types, selector, data, fn, 1 );
+ },
+ off: function( types, selector, fn ) {
+ var handleObj, type;
+ if ( types && types.preventDefault && types.handleObj ) {
+ // ( event ) dispatched jQuery.Event
+ handleObj = types.handleObj;
+ jQuery( types.delegateTarget ).off(
+ handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
+ handleObj.selector,
+ handleObj.handler
+ );
+ return this;
+ }
+ if ( typeof types === "object" ) {
+ // ( types-object [, selector] )
+ for ( type in types ) {
+ this.off( type, selector, types[ type ] );
+ }
+ return this;
+ }
+ if ( selector === false || typeof selector === "function" ) {
+ // ( types [, fn] )
+ fn = selector;
+ selector = undefined;
+ }
+ if ( fn === false ) {
+ fn = returnFalse;
+ }
+ return this.each(function() {
+ jQuery.event.remove( this, types, fn, selector );
+ });
+ },
+
+ trigger: function( type, data ) {
+ return this.each(function() {
+ jQuery.event.trigger( type, data, this );
+ });
+ },
+ triggerHandler: function( type, data ) {
+ var elem = this[0];
+ if ( elem ) {
+ return jQuery.event.trigger( type, data, elem, true );
+ }
+ }
+});
+
+return jQuery;
+});